® OfficeConnectTM Remote 812 ADSL Router CLI User’s Guide Release 1.0 http://www.3com.
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CONTENTS 1 ACCESSING THE CONFIGURATION INTERFACE Establishing Communications with the OfficeConnect Remote 812 Local Connection 1 IBM-PC Compatible Computers 1 Macintosh Computers 1 UNIX-Based Computers 2 Remote Connection 2 2 CLI COMMAND CONVENTIONS AND TERMINOLOGY Command Structure 1 Format 1 Parameters 1 Values 1 Names or Strings 2 Network Address Formats 2 Abbreviation and Command Completion Control Characters 2 Help 2 Conventions 3 Conventions 3 Command Language Terminology 3 3 CONFIGURATION METH
Instructions 1 Setup Script 1 Password Protection 2 Which portions of the network do you want to configure? Quick Setup Identification information 2 Quick Setup Management Information 2 TELNET information 3 Quick Setup IP information 3 Quick Setup IPX information 4 Quick Setup Bridge Information 5 Sample Identification Information 5 5 QUICK VC SETUP CLI QuickVC Setup Script 1 Introduction 1 Instructions 1 Starting QuickVC Setup 1 ATM Parameters 1 Network Service 2 PPP Parameters 2 IP Configuration (Networ
Configuring Network Service Information 3 Configuring ATM Information 3 IP Routing 4 Enabling IP Routing 5 show ip settings 6 show ip routing settings 6 Configuring an IP Network over the LAN 6 Configuring IP RIP on the LAN 6 Configuring IP for the Remote Site Connection 7 Configuring IP RIP for a Remote Site 8 Configuring Static and Framed IP Routes 8 IP Tools 9 Address Translation 9 Network Address Translation (NAT) 9 Configuring NAT 10 Monitoring NAT 11 DHCP 11 Configuring the DHCP Mode 11 Configuring th
MAC-Encapsulated Routing 21 Configuring MAC-Encapsulated Routing 21 Simultaneous Bridging and Routing 22 System Administration 23 Setting Date and Time 23 Setting System Identification 23 Configuring Web Browser and TELNET Login Access 24 Providing TFTP Access 24 Setting Password Protection 25 Introduction 25 Filtering Overview 26 OfficeConnect Remote 812 Filtering Capabilities 26 Filter Classes 26 Filter Types 27 Data Filters 27 Advertisement Filters 27 Generic Filters 28 Creating Filters Overview 28 Creat
Output Filters 36 Input Filters vs.
add ip route B-3 add ipx network B-3 add ipx route B-4 add ipx service [service_name] B-4 add ipx_route vc B-5 add ipx_service vc B-5 add nat tcp vc B-7 add nat udp vc B-7 add network service Status B-7 Add network service example: B-8 add snmp community B-8 add snmp trap_community B-8 add syslog loglevel [loglevel] B-9 add tftp client B-9 add user
delete user B-11 delete vc B-11 DIAL B-12 dial B-12 DISABLE B-12 disable bridge network B-12 disable bridge spanning_tree B-12 disable icmp B-12 disable interface B-12 disable ip forwarding B-12 disable ip network B-12 disable ip rip B-12 disable ip routing B-12 disable ip static_remote_routes B-12 disable ipx network B-12 disable link_traps interface B-12 disable network service B-13 disable securi
enable snmp authentication traps B-14 enable telnet escape B-14 enable user B-15 enable vc B-15 exit CLI B-15 HANGUP B-15 hangup interface B-15 hangup vc B-15 HELP B-15 help B-15 HISTORY B-15 history B-15 KILL B-15 kill <“process name”> B-15 LIST B-16 list active interfaces B-16 list bridge forwarding B-16 list call events B-16 list call log B-16 list critical events B-16 list dns hosts B-16 list dns servers B-16 list facilities B-17 list filters B-
list services B-19 list snmp communities or list snmp trap_communities list syslog B-20 list tcp connections B-20 list tftp clients B-20 list udp listeners B-20 list users B-20 list vc B-20 login_required B-21 password B-21 PAUSED COMMANDS B-21 PING B-21 ping B-21 QUICKVC B-21 REBOOT B-21 RENAME B-21 rename file B-21 RESOLVE B-22 resolve name B-22 SAVE B-22 save all B-22 SET B-22 set adsl reset B-22 set adsl wire [pair] B-22 set bridge B-22 set bri
set ipx network B-28 set ipx system B-29 set network service B-29 set ppp receive_authentication [NONE | PAP | CHAP | EITHER] set ppp echo_retries B-30 set snmp community B-30 set system B-30 set syslog loglevel [level] B-31 set time
show interface settings B-41 show ip counters B-41 INPUT COUNTERS B-41 OUTPUT COUNTERS B-42 show ip settings B-42 show ip network settings B-42 show ipx counters B-43 INPUT COUNTERS B-43 OUTPUT COUNTERS B-43 show ipx network counters B-43 show ipx network settings B-44 show ipx rip B-44 show ipx sap B-45 show ipx settings B-45 show memory B-45 show network settings B-45 show network counters B-45 show ppp on vc counters B-
show system B-49 show telnet B-50 show tcp counters B-50 TCP COUNTERS B-50 show tcp settings B-50 TCP SETTINGS B-50 show udp B-50 INPUT COUNTERS B-50 OUTPUT COUNTERS B-50 show user settings B-51 show vc settings B-51 TELNET B-51 telnet B-51 telnet TCP_port VERIFY B-51 verify filter B-51 TELNET Commands B-51 close B-51 help B-51 send B-51 set_escape B-52 status B-52 CLI Exit Commands B-52 Bye, Exit, Leave, Quit B-52
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1 ACCESSING THE CONFIGURATION INTERFACE This chapter explains how to attach to the configuration interface locally via the console port or remotely via a Telnet session. This chapter also introduces you to the capabilities and conventions associated with management of your OfficeConnect Remote 812.
1-2 CHAPTER 1: ACCESSING THE CONFIGURATION INTERFACE UNIX-Based Computers Kermit, minicom and tip are typical terminal emulation programs for UNIX-based computers. Depending on the platform you’re using, you may need to modify a configuration file for vt100 settings. Remote Connection If you want to attach to the OfficeConnect Remote 812 via the LAN or WAN interface of the unit, you will need to establish a Telnet connection to the unit.
CLI COMMAND CONVENTIONS AND TERMINOLOGY 2 This chapter describes the command syntax, conventions and terminology used within the Command Line Interface. Reviewing and understanding this chapter is essential for you to understand subsequent chapters. Command Structure Format Commands can be followed by values and/or parameters and values.
2-2 CHAPTER 2: CLI COMMAND C ONVENTIONS AND TERMINOLOGY may be a list of options you must choose from. When choosing an option, type the text of the option exactly. Names or Strings “Double quotation marks” set off user-defined strings. If you want white space or special characters in a string, it must be enclosed by “double quotation marks”. Network Address Formats Many commands require a network address, to define a link to a remote host, workstation or network.
Command Structure 2-3 Conventions Conventions Command Language Terminology Most commands are not case sensitive. As a rule, only and [password] values require typing the correct case. Configuration changes occur immediately but are lost on reboot unless you save them. The save all command places configuration changes in FLASH ROM (permanent memory). The changes are lost if not saved to FLASH ROM or if power is lost before you can save them.
2-4 CHAPTER 2: CLI COMMAND C ONVENTIONS AND TERMINOLOGY
3 CONFIGURATION METHODS OfficeConnect Remote 812 CLI offers three setup choices, all of which are described in this section: the automated, Quick Setup method, the QuickVC Setup method, and the manual method. Review the capabilities of each below and decide which configuration method best suits your needs, then proceed to the appropriate chapter for detailed configuration guidelines for each method.
3-2 CHAPTER 3: CONFIGURATION METHODS Manual Setup Instructions Once you become familiar with the CLI interface, you might find it more efficient to manage the OfficeConnect Remote 812 manually. Manual configuration is most versatile in that you only enter commands that need to effectively change from the current configuration. Also, many of the advanced features can only be accessed through manual configuration (such as filtering).
QUICK SETUP 4 This chapter will describe in detail the operations of the Quick Setup program. It will identify the required information, steps involved, and sample output scripts from the execution of this program. CLI Quick Setup Script Introduction The CLI Quick Setup program allows you to quickly configure LAN-side, global and management settings for your OfficeConnect Remote 812.
4-2 CHAPTER 4: QUICK SETUP The OfficeConnect Remote 812 Quick Setup allows you to setup a simple configuration for IP, IPX, and bridging. Please answer the following questions with "yes" or "no" to indicate which portions of the system you want to configure. When Quick Setup displays a question it will display a default answer in square brackets, like "[yes]". If you simply press enter, this is the answer that will be used for you.
CLI Quick Setup Script 4-3 Along with a community name, you can limit access to a specific management station. "0.0.0.0" means any station. Question Default What is the IP address of the station for this community? [0.0.0.0] Your System You also need to specify if this community can only read information, or read and write information. Question Default Can this community change management information? [yes] Your System This completes the section on SNMP management configuration.
4-4 CHAPTER 4: QUICK SETUP Question Default What should the the mask be set to? [C] Your System You need to specify the framing for the IP network. It should be either "ethernet_ii" or "snap". Question Default Your System What is the framing for the IP network? [ethernet_ii] You can use the Routing Information Protocol (RIP) to exchange routing information with other routers on the network.
CLI Quick Setup Script Question Default Enter the name of your network: [ipx] 4-5 Your System The network number is a non-zero hexadecimal number of up to 8 digits. Question Default Enter the ipx network number: [] System You need to specify the framing for the IPX network. It should be one of the following: “ethernet_ii”, “snap”, “dsap”, “novell_8023.
4-6 CHAPTER 4: QUICK SETUP Management Information: Console Login Required: Console Login Password: SNMP Management: SNMP Community: SNMP IP Address: SNMP Read&Write: TELNET Management: TELNET User: TELNET Password: IP Information: IP Network Name: IP Network Address: IP Mask: IP Frame Type: IP RIP: DHCP Server: DHCP Pool Start IP Address: DHCP Pool End IP Address: TFTP Server Information: TFTP Access: IPX Information: IPX Network Name: IPX Network Number: IPX Frame Type: Bridge Information: Bridge Network
CLI Quick Setup Script 4-7 Sample Output Display as Quick Setup Executes OCR-DSL> set system name "name" OCR-DSL>set system location "vienna" OCR-DSL>set system contact "jc" OCR-DSL>set command login “yes” OCR-DSL>set command password “password” OCR-DSL>add snmp community public address 0.0.0.0 access RW OCR-DSL>enable security_option remote_user administration OCR-DSL>add user "root" password "!root" OCR-DSL>add ip network “test” interface eth:1 address 192.168.200.
4-8 CHAPTER 4: QUICK SETUP
QUICK VC SETUP 5 This chapter will describe in detail the operations of the OfficeConnect Remote 812 VC Setup Wizard program. It will identify the required information, steps involved, and sample output scripts from the execution of this program. CLI QuickVC Setup Script Introduction The CLI QuickVC Setup program allows you to quickly configure remote site profiles (virtual channel connections) for your OfficeConnect Remote 812.
5-2 CHAPTER 5: QUICK VC SETUP Enter the Peak Cell Rate: [0] Enter the Sustainable Cell Rate: (VBR only) [0] Enter the Maximum Burst Tolerance: (VBR only) [0] The Category of Service and cell rate parameters only affect data transmitted from the OfficeConnect Remote 812 to the remote site (upstream direction). The default value of UBR with a Peak Cell Rate of 0 will attempt to use all available upstream bandwidth when transmitting to the remote site.
CLI QuickVC Setup Script Enter the IP mask for the router across the WAN: (specified only) [C] Is the local IP address (S)pecified or (L)earned ? [L] Enter the local ip address for the WAN connection: (specified only) [] Do you want to use “name”’s remote router as the default gateway ? [no] Do you want to run RIP ? [no] Enter the version of RIP to run: (if applicable) [v2] 5-3 The IP configuration for VC “name” is now complete.
5-4 CHAPTER 5: QUICK VC SETUP IPX Routing (Network Service PPP) Question Default Is IPX traffic going to be routed over VC “name”? [no] Is the IPX WAN interface (S)pecified or (L)earned? [L] Is the IPX WAN interface (U)nnumbered or (N)umbered? [N] Enter the IPX network number for the WAN? [] Do you want IPX routing (RIP) to run over the WAN? [yes] Your System The IPX configuration for VC “name” is now complete.
CLI QuickVC Setup Script Sample Output Display as Quick Setup Executes Category of Service: Peak Cell Rate: UBR 0 IP: Local WAN IP Address: Remote WAN IP Address: WAN Interface Type: Address Translation (NAT): Enabled Learned Learned Numbered Enabled RIP: Remote is Default Gateway: no yes IPX: IPX WAN Network Number: IPX WAN RIP: Enabled Learned Yes Bridging: Enabled Question Default Do you want to change any answers ? [no] Do you want to actually execute these commands? [yes] 5-5 Your Sy
5-6 CHAPTER 5: QUICK VC SETUP
6 MANUAL SETUP This chapter describes how to manually setup the OfficeConnect Remote 812 for Routing or Bridging. Configuration Overview The following steps provide an outline to follow when configuring the OfficeConnect Remote 812 to route or bridge to remote networks. 1 Determine how the OfficeConnect Remote 812 will be used (as an IP, IPX Router and/or Bridge) and gather information about your remote site connection using the Configuration Planning Forms provided with the unit.
6-2 CHAPTER 6: MANUAL SETUP Remote Site Management Each remote site that you want to connect to is accessed through a single ATM Virtual Channel connection. To set up connections over the WAN, a VC (remote site) profile must be created and edited. With this profile, you specify ATM Virtual Channel information, protocols, and addresses that determine the method of connection and communication to that remote site. You create VC profiles using the add vc command (e.g.
Remote Site Management 6-3 For example, if you want to change the PPP authentication password to testpassword for a profile called Internet you would do the following: disable vc Internet set vc Internet send_password testpassword enable vc Internet Configuring Network Service Information A Network Service defines the data encapsulation and protocol characteristics for the connection between the OfficeConnect Remote 812 and the remote site.
6-4 CHAPTER 6: MANUAL SETUP Currently, the SVC capability is disabled in the OfficeConnect Remote 812. ATM Category of Service parameters specify characteristics (sometimes called traffic shaping parameters) for data transmitted from the OfficeConnect Remote 812 to the remote site. They have no effect on data transmitted from the remote site to the OfficeConnect Remote 812. The ATM VC information and Category of Service parameters are entered into the profile using the set vc atm command.
IP Routing 6-5 A forwarding table is maintained which specifies which interface to route an IP packet based on the destination IP address. Entries in the forwarding table are both static and dynamic. Static entries are based on the LAN’s and remote site's subnet addresses and user configured static routes. Dynamic entries are added when RIP is enabled and routes are learned from neighboring routers. To configure IP routing, IP must be defined on both the LAN interface and one or more VC profiles.
6-6 CHAPTER 6: MANUAL SETUP show ip settings show ip routing settings Configuring an IP Network over the LAN To configure IP over the LAN, you need to assign an IP network to the LAN port with the add ip network command. Each network has a network name. You will use the network name when entering commands related to the network. The CIDR-supported network address includes a local station address and subnet mask using the format: nnn.nnn.nnn.nnn/A B C or 8-30.
IP Routing Configuring IP for the Remote Site Connection 6-7 In order to enable IP to be routed to a remote site, you must configure the following items in the VC profile associated with the remote site connection.
6-8 CHAPTER 6: MANUAL SETUP The default_route_option can only be enabled in one VC profile. Also, you can configure IP Source Validation for the connection. When IP Source Validation is enabled, the source address of all IP frames received from the remote site will be validated. A packet’s source address is valid if the OfficeConnect Remote 812 will route an IP frame destined to the source address on the same VC it came in on.
Address Translation 6-9 The route will appear in the IP routing table. You can display all IP routes with the list ip routes command. To delete an IP Static route, use the command: delete ip route To add a Framed route that will be installed in the IP routing table when a connection is established, use the command: add framed_route vc ip_route metric where gateway is the address of the remote router.
6-10 CHAPTER 6: MANUAL SETUP Static NAT port mappings or the NAT default address need to be configured when an application will initiate a TCP or UDP connection from the public network. If a public accessible Server resides on a privately addressed LAN, static ports can be defined for the applications they are running. For example, TCP port 80 for a Web Server and TCP port 21 for an FTP server can be statically assigned.
DHCP 6-11 Remember to save your configuration using the save all command before rebooting your OfficeConnect Remote 812 so that your changes will be written to permanent FLASH memory. Monitoring NAT The NAT configuration is displayed when viewing the remote site configuration using the show vc command. The Network Address Translation field should indicate “enabled”. The NAT Default Address field will contain 0.0.0.
6-12 CHAPTER 6: MANUAL SETUP IP Address Pool, Start and End address IP Subnet address mask Lease period WINS Server addresses DNS Server addresses The Hostname is the base name assigned to the workstation . A numeric suffix is appended to the base name and incremented after each assignment. For example, if the Hostname unit is configured, the first workstation will be assigned the Hostname unit01, the second workstation will be assigned unit02 and so forth.
DNS 6-13 show dhcp server counters list dhcp server leases The DHCP Server configuration is displayed with the show dhcp server settings command. Configuring the DHCP Relay The OfficeConnect Remote 812 can relay DHCP requests to up to two Remote Servers. The OfficeConnect Remote 812 DHCP relay can be configured with two Remote Server entries. Each entry consists of a server IP address, a specified maximum number of hops a request can take before being discarded, and enable flag.
6-14 CHAPTER 6: MANUAL SETUP Configuring DNS To enable DNS functionality on the OfficeConnect Remote 812, use the command: enable dns To disable DNS functionality, use the command: disable dns You can configure three global DNS parameters that control the operation of the DNS proxy. Number of Retries: the number of retry attempts when accessing a primary or secondary DNS server. The default is 1 retry. Timeout: the amount of time to wait for request to be serviced.
IPX Routing 6-15 add dns server primary_address secondary_address To create an entry that will learn addresses using PPP, use the command: add dns server vc To display the contents of the DNS Server table, use the command: list dns servers To delete a domain entry, use the command: delete dns server IPX Routing The OfficeConnect Remote 812 can be configured as an IPX router to forward IPX packets between the local
6-16 CHAPTER 6: MANUAL SETUP You can delete a disabled network using the command: delete ipx network Configuring IPX for Remote Site Connections In order to enable IPX to be routed to a remote site, you must configure the following items in the VC profile associated with the remote site connection.
IPX Routing 6-17 To add a Static IPX route over the LAN, use the command: add ipx route gateway metric ticks The route will appear in the IPX routing table. You can display all IPX routes with the list ipx routes command.
6-18 CHAPTER 6: MANUAL SETUP socket type The service will appear in the IPX Services table. For example: add ipx service Serv411 gateway 98.0:0:0:0:0:0 ipx_net 31ab17c9 metric 1 node 0:0:0:0:0:1 socket 451 type 4 You can display all IPX Services with the list ipx services command.
Bridging 6-19 set ipx network sap [BOTH | DISABLE | LISTEN | RESPOND_ONLY | SEND] Other permutations of the set ipx network command can be used to configure advanced RIP features and policies. IPX RIP and SAP can be enabled or disabled for each remote site connection. You cannot individually enable or disable RIP or SAP; they are enabled or disabled together for each remote site connection.
6-20 CHAPTER 6: MANUAL SETUP Remember to save your configuration using the save all command before rebooting your OfficeConnect Remote 812 so that your changes will be written to permanent FLASH memory. Configuring Bridging for the LAN To configure a protocol over the LAN, you need to assign a protocol network to the LAN port by providing a name. After adding a network, you can modify advanced parameters.
MAC-Encapsulated Routing 6-21 Except for enabling Spanning Tree, most users do not need to change the advanced parameters from their default settings The Aging Time is the time (in seconds) for aging out forwarding table information. To change the Aging Time, use the command: set bridge aging_time The Forward Delay is the time (in seconds) to wait while learning forwarding information before starting to bridge packets.
6-22 CHAPTER 6: MANUAL SETUP then the packets will be encapsulated in a bridged-1483 format. If the configured service is PPP, the packets will be encapsulated in BRCP.
System Administration 6-23 Packets received from the WAN do not pass through the Bridge Firewall. Instead, packets received from the WAN are delivered to the router or bridging function based on their encapsulation and on the state of the MAC-Encapsulated Routing parameter in the remote site profile. In general, a packet received in a routed encapsulation (i.e., IPCP or Routed RFC 1483) is delivered to the router. A packet received in a bridged encapsulation is passed on to the bridge.
6-24 CHAPTER 6: MANUAL SETUP To set these parameters use the command: set system name location contact The name, location, and contact can be up to 32 characters long. For example, set system name OCR1 location Rack4 contact SysAdmin@555-1212 Configuring Web Browser and TELNET Login Access Setting up a login user allows you to provide controlled access to the OfficeConnect Remote 812 from a Web browser or through TELNET.
Introduction 6-25 delete tftp client Setting Password Protection The OfficeConnect Remote 812 provides the capability to password-protect access to the CLI. When the password protection feature is enabled, a user connecting to the CLI via the serial console port will be prompted for the CLI password. After the correct password is entered, all CLI commands are accessible by the user.
6-26 CHAPTER 6: MANUAL SETUP Packet filters control inter-network data transmission by accepting or rejecting the passage of specific packets through network interfaces based on packet header information. When data packets are received by a network interface such as an Ethernet (LAN) or WAN port, a packet filter analyzes the packet information using a set of rules you define. A filter then lets the packet pass through or discards it.
OfficeConnect Remote 812 Filtering Capabilities 6-27 Input data - filter packets as they enter. Output data - filter packets as they exit. Embedded bypass for periodic router protocol packets (IP RIP, IPX RIP and IPX SAP) Each filter class can be identified further by the following types: Filter Types Data Filters Filters can be classified by the following types: Data filters - based on protocol-specific packet information.
6-28 CHAPTER 6: MANUAL SETUP Generic Filters Generic filters are protocol-independent and are specified by byte and offset values in a packet. Packets are filtered by comparing each packet’s offset value and byte information with the values that you define in the filter. The router will accept or reject the packet based on the result. Creating generic filters can be a complex task.
Creating Filters Using Command Line Interface 6-29 The remainder of the filter file is partitioned into protocol sections. Each protocol section has a descriptive header and contains the filter rules for that protocol. Protocol Sections A single filter file can contain all valid protocol sections in any order, but the sections cannot be repeated.
6-30 CHAPTER 6: MANUAL SETUP Field Description line # Each rule must have a unique line number from 1-10 plus 999 for the DENY verb. You must arrange rules in increasing order. Verb This field can be one of the following: ACCEPT - Allow the packet access if the condition is met (use with DENY verb to indicate reject all other packets). REJECT - Do not allow the packet access if the condition is met.
Creating Filters Using Command Line Interface Generic Filter Rule 6-31 IPX src-net dst-net src-host dst-host src-socket dst-socket generic =, != =, != =, != =, != all all = Source IPX network (xx-xx-xx-xx) Destination IPX network (xx-xx-xx-xx) Source IPX host node address (xx-xx-xx-xx-xx-xx) Destination IPX host node address (xx-xx-xx-xx-xx-xx) Source IPX socket (0x1 - 0xFFFF) Destination IPX socket (0x1 - 0xFFFF) Generic Filter IPX-RIP network =, != IPX network (xx-xx-xx-xx) IPX-SAP network nod
6-32 CHAPTER 6: MANUAL SETUP IP: 1 ACCEPT src-addr = 192.77.200.203/16; 999 DENY; The following rule example rejects IP packets with a source address: 144.133.20.1. IP: 1 REJECT src-addr =144.133.20.1; The following rule example allows forwarding of only IP packets with source address 192.77.100.32 and destination address 201.128.11.34: IP: 1 AND src-addr = 192.77.100.32; 2 ACCEPT dst-addr = 201.128.11.
Creating Filters Using Command Line Interface 6-33 IPX Source and Destination Network Filtering Using CLI IPX network numbers must be specified as an network number no greater than 8-digits in hexadecimal format. The following rule example rejects IPX packets with a source address: 00-03-42-BF. IPX: 1 REJECT src-net = 00-03-42-BF; IPX Source and Destination Host Filtering Using CLI Host addresses must consist of the 8-digit network number, followed by the four digit node number in hexadecimal format.
6-34 CHAPTER 6: MANUAL SETUP IPX SAP Packet Filtering Using CLI SAP packets are used to identify the services and addresses of servers attached to the network. The responses are used to update a table in the router known as the Server Information Table. You define IPX SAP packet filtering rules in the IPX-SAP protocol section of the filter file. You can filter SAP packets by network, node, server, service-type, and socket.
Creating Filters Using Command Line Interface 6-35 3 You can comment a section header out by placing a # sign before the section header. This is useful if you want to insert a placeholder for a protocol section you will define in the future. 4 Enter the protocol rules for the protocol section you are defining. Observe the following guidelines. Begin each rule with a unique line number ranging from 1 - 10. Arrange rules in increasing line number order within each protocol section.
6-36 CHAPTER 6: MANUAL SETUP For more details, refer to the next two sections. Assigning Filters discusses how to decide where to apply a filter, and Applying Filters explains the appropriate CLI commands to use. Assigning Filters Interface Filters Once a filter has been added to router’s list of managed filters, you can assign it to the unit’s: Interfaces VC / Remote Site Profile You can configure interface filters for any interface.
Applying Filters Using CLI 6-37 Do not apply a filter to more than one interface or VC / remote site profile. Also, do not apply an input and an output filter to more than one Ethernet interface.
6-38 CHAPTER 6: MANUAL SETUP Managing Filters Using CLI This section provides information about how to perform filter management tasks. Displaying the Managed Filter List Using CLI To display the list of managed filters, use the following command: list filters The resulting display might look like this: Filter Name ip.
Managing Filters Using CLI Deleting a Packet Filter Using CLI 6-39 To delete a specific packet filter, removing the filter file permanently from the FLASH memory, use the CLI command delete filter Verifying Filter File Syntax Using CLI The verify filter command must be used if you make changes to a filter file that has already been added to the managed list and re-TFTP it back to the router’s FLASH memory (using the same filename). The verify filter file will check the filter syntax.
6-40 CHAPTER 6: MANUAL SETUP
A OFFICECONNECT REMOTE 812 SAMPLE CONFIGURATION This section describes a sample configuration which illustrates the following OfficeConnect Remote 812 ADSL Router features: Address Translation Internal DHCP Server and DNS Proxy. Multiple Remote Sites, with different routing and bridging configurations. Our sample SOHO network, shown below, has the OfficeConnect Remote 812 connected to a LAN that is using private IP addresses.
A-2 APPENDIX A: OFFICECONNECT REMOTE 812 SAMPLE CONFIGURATION Global Configuration Global configuration includes some optional “system” commands to identify the OfficeConnect Remote 812’s name, location, and support contact. Next the Remote access security option is enabled to allow remote CLI access using TELNET. Finally, a Remote Login User is defined to provide access for Web Browser based management and TELNET.
A-3 When a DNS request is received from a locally attached workstation, the OfficeConnect Remote 812 will search the local static table to find an entry. If one is not found, the request will be forwarded to a Remote DNS Server. The DNS Server is selected by comparing the domain name within the Request. If the Request was for www.MyCorp.com/events/local the domain MyCorp.com would match given our configuration and the request would be forwarded to the DNS Server at 192.168.1.253. If a request was for www.
A-4 APPENDIX A: OFFICECONNECT REMOTE 812 SAMPLE CONFIGURATION set vc Internet ip enable ipx disable bridging disable set vc Internet network_service ppp set vc Internet send_name internet-user send_password 1a2b3c set vc Internet atm vpi 0 vci 32 category_of_service unspecified pcr 0 set vc Internet address_selection negotiate set vc Internet local_ip_address 255.255.255.
CLI COMMAND DESCRIPTION B CLI Commands ADD Use the ADD command to define: networks you will connect to hosts you need to access SNMP communities users who will dial out, dial in, access the network, or use the CLI Note that some parameters have default values. add bridge network { enabled [yes]} Defines a bridge network connection, so your LAN users can bridge to other LANs across the WAN. bridging is supported over the WAN.
B-2 APPENDIX B: CLI COMMAND DESCRIPTION secondary_address [ip_address] vc_name [vc_name] Adds the IP Address of a remote DNS Server for the specified Domain Name to the Domain Name Server Table. The first specified server is sent the IP Host Name to be resolved, first without, and then with the default domain name (see set dns for more information about the default domain name). If that server cannot resolve the name, it is sent to the next specified server.
CLI Commands add ip network B-3 Parameters Description IP Address of the gateway router. metric Integer representing how far away the default router is, in “hops” through other routers. Values: 1-15. address [ip_net_address] frame [ETHERNET_II | SNAP | LOOPBACK] { interface [eth:1] } { enabled [yes] } Adds an IP network to the list of IP networks available over the specified interface.
B-4 APPENDIX B: CLI COMMAND DESCRIPTION Adds an IPX network to the list of IPX networks available over the specified interface. Parameters Description Name of IPX network. A unique ASCII string of up to 32 characters; space must be surrounded by double quotes. add ipx route address Address of the IPX network. interface Name of the interface with which this IPX network is to be associated. The default is the first LAN interface (eth:1).
CLI Commands B-5 node The internal MAC address of the server on which the service resides. This is typically 00:00:00:00:00:01. type Type of service: hex number referring to file server, print server, etc. Refer to the table below. socket Socket number that the service uses.
B-6 APPENDIX B: CLI COMMAND DESCRIPTION name [name] node [internal_node_number] socket [socket_number] type [service_type] Adds a static IPX service (for the WAN) to the IPX services table. You must supply the name, internal ipx network number, node number, socket, and type of service for this service. The user must also supply gateway information to indicate the next router hop. Parameters Description The name of the user for the IPX route.
CLI Commands add nat tcp vc private_address [ip_address] private_port [number] public_port [number] Parameters Description VC profile name. private_address IP address of the server on the LAN. private_port Port number associated with the service. public_port Public port number. B-7 Note: Typically, the private and public port numbers are set to the same value. See “Configuring Network Address Translation’ in Chapter 6 for an example in which they differ.
B-8 APPENDIX B: CLI COMMAND DESCRIPTION socket Indicates which “socket” the server listens on. For TFTP and TELNET, it is the TCP or UDP port #. enabled This indicates whether the network service is enabled. Enter YES or NO. data Ancillary Data. This field contains server-specific configuration data. See the table on the next page for settable ancillary data parameters for TELNET.
CLI Commands B-9 Adds to the list of community name/IP address pairs that are allowed to receive SNMP traps. You can see the list of authorized users with the list snmp communities command. add syslog loglevel [loglevel] Parameters Description Group name defining who can receive SNMP traps. address IP address of the SNMP manager, in the form nnn.nnn.nnn.nnn Adds an IP host to the list of IP hosts that will receive syslog entries.
B-10 APPENDIX B: CLI COMMAND DESCRIPTION ARP arp output [outputfile_name] Prints the IP address (and Media Access Control Address [MAC] if on a locally connected network) of a network node to a file or the CLI (default). If a node is not in the ARP cache, an ARP request will be sent out. DELETE delete bridge network delete configuration Parameters Description IP address or node name for the IP and MAC address you seek.
CLI Commands B-11 status. Be sure to use the disable ipx network command before deleting the network. delete ipx route delete ipx service Deletes an IPX route on the interface you specified with the add ipx route command. The list ipx routes command displays the current IPX routes. type [service_type] Deletes a static IPX service from the IPX services table. This command will work only if a complete match on all parameters is found.
B-12 APPENDIX B: CLI COMMAND DESCRIPTION DIAL dial Generates an outgoing connection to the location specified by the vc name. You can use list vcs to list the defined vc profiles, and their current status. DISABLE disable bridge network Disables the bridge network you previously defined using the add bridge network command. You can see which bridge networks are currently running using list bridge forwarding.
CLI Commands B-13 disable network service Disables a network service, such as TELNET or TFTP. If close_active_connection’ was specified as TRUE in the add network_service command, then all active connections will be closed when the server is disabled. disable security_option snmp user_access Turns off SNMP access to the CLI. This prevents remote users from using SNMP and possibly damage the configuration. You can use enable security_option snmp user_access to re-enable full SNMP access.
B-14 APPENDIX B: CLI COMMAND DESCRIPTION enable interface Enables the specified interface. Enabling an interface enables it to transmit and receive data. You can use list interfaces to see which interfaces are defined, and whether they are currently disabled. enable ip forwarding Enables all IP networks to forward (route) packets. You should only need to use this command if you previously used disable ip forwarding.
CLI Commands B-15 By default the escape character is control-]. A TELNET user can change it using set escape in the TELNET program. enable user Enables a user to establish TELNET sessions for remote management. You must have previously added the user using the add user command, where enabled is the default. The list users command displays a summary of all configured user profiles. enable vc Enables a virtual channel to establish data sessions over the WAN.
B-16 APPENDIX B: CLI COMMAND DESCRIPTION LIST list active interfaces list bridge forwarding Displays the index, name, operational status, and administration status of all active interfaces. The output is the same as the list interfaces command, except non-active interfaces are not displayed. Inactive interfaces are interfaces with no current connections.
CLI Commands list facilities list filters Displays the system facilities (processes) currently running, plus the default log level. The log level is the severity of error that facility will produce syslog entries for. You can change the log level using the set facility loglevel command. Displays all the filter names in the filter table, which you previously defined using the add filter command. You can remove filters using delete filter.
B-18 APPENDIX B: CLI COMMAND DESCRIPTION list ip networks list ip routes list ipx networks list ipx routes list ipx services Displays all the IP networks you previously defined using the add ip network command.
CLI Commands list lan interfaces list networks list processes list ppp Prot - protocol used to find this service: SAP, LOCAL, NLSP, STATIC or OTHER Metric - number of hops through routers to reach this service B-19 Displays the operational and administrative status (UP or DOWN), interface index number and name (eth:1) of all LAN interfaces. The output is the same as the list interfaces command, except only LAN interfaces are displayed. Displays all defined networks running any protocol.
B-20 APPENDIX B: CLI COMMAND DESCRIPTION list snmp communities or list snmp trap_communities list syslog These commands display the defined SNMP communities, which you previously defined using the add snmp community command. SNMP trap_communities does not list access.
CLI Commands login_required password VCI - Virtual Channel Identifier Status - link status: ACTIVE, INACTIVE or DISABLED B-21 enables or disables CLI password protection. The CLI password. It must consist of 1 to 8 alphanumeric (printable) characters, inclusive.
B-22 APPENDIX B: CLI COMMAND DESCRIPTION RESOLVE resolve name Returns an IP Address for the specified host name by sending it to DNS for resolution. If the Domain Name has been specified using the set DNS command, it will also be resolved, otherwise you must specify it as part of the name. This command requires either a DNS local host entry (use add DNS host) or a DNS server (use add DNS server) to resolve the host name. It is the reverse of the ARP command.
CLI Commands idle timout local_prompt prompt B-23 Sets console parameters for CLI commands. Parameters Description history Sets the depth of the buffer holding the command history. Use the history command to see the current depth and a list of your last CLI commands. The default is 10 commands. The range is 1-500. set date set dhcp mode prompt Sets the global command prompt for the CLI.
B-24 APPENDIX B: CLI COMMAND DESCRIPTION max_hops Defines the address and characteristics of the secondary DHCP Server over the WAN that should receive our relayed DHCP requests. set dhcp server Parameters Description address IP address of the secondary DHCP server over the WAN port where DHCP resolution requests should be forwarded. enabled Whether or not this server is active for relay.
CLI Commands number_retries timeout B-25 Sets the global parameters for DNS; both the local DNS hosts (list DNS host) and the remote DNS servers (list DNS servers). set facility loglevel [level] set ilmi vpi vci set interface Parameters Description cache_size Enter the size of the cache. The valid range is from 20-500.
B-26 APPENDIX B: CLI COMMAND DESCRIPTION set ip network broadcast_algorithm [number] reassembly_maximum_size [number] rip_authentication [string] rip_policies_update routing_protocol [NONE | RIPV1 | RIPV2] Sets the broadcast algorithm, the maximum size used for reassembling fragmenting packets, the RIP authentication string, RIP policies, and the routing protocol for the specified interface. The only required parameter for this command is .
CLI Commands B-27 RIP V2 Receive - Controls the receipt of RIP version 2 updates. When RIP version 1 is the selected routing protocol, this policy is enabled by default, which allows RIPV1 packets to be received. When RIP version 2 is selected, this policy is enabled by default, allowing RIPV2 packets to be received. Silent - This flag tells RIPv2 not to send updates. It is disabled by default.
B-28 APPENDIX B: CLI COMMAND DESCRIPTION metric_maximum_entries Most next hop entries the system table can maintain. rip_flags Flags indicate at which level a RIP instance is disabled or configured. Choices are: METRICS - Specifies how to increment metrics using RFC1058. SEND_REQUEST - Sends a RIP request for routing information when an interface first comes up. Router_id set ipx network The IP station address of the ip router.
CLI Commands set ipx system B-29 rip_age_multiplier Number to multiply the rip_update_interval by, to obtain the value for the aging out the entries in the RIP database. rip_packet_size Size of RIP packets. rip_update_interval How often RIP should send periodic updates. sap Sets the SAP mode. sap_age_multiplier Number to multiply the sap_update_interval by, to obtain the value for aging out entries in the SAP database. sap_packet_size Size of SAP packets.
B-30 APPENDIX B: CLI COMMAND DESCRIPTION set ppp receive_authentication [NONE | PAP | CHAP | EITHER] set ppp echo_retries set snmp community data TELNET Ancillary Data. This field contains server-specific configuration data. See table which lists the configurable ancillary data parameters. close_active_connections Indicates whether or not to close any active connections when a service is disabled by the disable network_service command.
CLI Commands B-31 from managers on the network must match the list, which you can see using list snmp communities. set syslog loglevel [level] Parameters Description name A name identifying the user to the system. location The location of the user. contact The information contact for the user. transmit_ authentication_name Deprecated Sets the error reporting level for syslog entries that will be sent to the specified IP address.
B-32 APPENDIX B: CLI COMMAND DESCRIPTION end_time [ HH:MM:SS ] header_compression [none | TCPIP] idle_timeout [seconds] input_filter [filter_name] ip [enable | disable] ip_routing [listen | send | both | none] ip_source_validation [enable | disable] ipx [ enable | disable ] ipx_address [ ipx_addr ] ipx_routing [ all | listen | respond | send | none ] ipx_wan [ enabled | disabled ] local_IP_address [ip_net_address] mac_routing [enable | disable] MTU [n
CLI Commands B-33 End_time This field is the end time for the virtual circuit. The expected format is HH:MM:SS. The Seconds field is optional. Header_ compression This determines whether you will have no compression on cell headers, or if you will use TCP/IP compression on the cell headers transmitted across this vc. idle_timeout Interval to wait before timing out an inactive connection. Default: 300 seconds.
B-34 APPENDIX B: CLI COMMAND DESCRIPTION rip_policies _update Allows VC to enable or disable RIP policies. See text on the preceding page for description of keywords. A keyword with a NO_ in front is used to disable the policy. Default is indicated by (D).
CLI Commands show atm status show adsl statistics show adsl performance show adsl transceiver_status B-35 Displays current statistics for the ATM protocol running over the ADSL WAN interface. It lists: Cell Delineation - Whether or not cell delineation is currently achieved. ILMI VPI - ILMI Path Identifier used for obtaining dynamic VC’s (Not supported OfficeConnect Remote 812 1.0). ILMI VCI - ILMI Channel Identifier used for obtaining dynamic VC’s (Not supported OfficeConnect Remote 812 1.
B-36 APPENDIX B: CLI COMMAND DESCRIPTION show adsl version show bridge network Actual Negotiated Downstream Baud Rate: Actual Negotiated Upstream Baud Rate: Fields: ADSL hardware release version: 0x3530 ADSL Alcatel chipset firmware release version: 141 counters [Received Frames, Transmit Frames, Discarded] settings [Interface, Network Address, Frame Type, Status, User Name, Spanning Tree Enabled] Parameters Description counters Displays information about the specified
CLI Commands show command B-37 Last Clearing reason: indicates why the call was cleared. Reasons for clearing include, line down, PPP timeout, Authentication error, Network configuration error, and termination initiated from the local and remote side. IP, IPX, and Bridge status: current status of each network layer. Configured - protocol is configured for this VC and the call is being initiated Not configured - The protocol is disabled on this VC.
B-38 APPENDIX B: CLI COMMAND DESCRIPTION show dhcp server counters show dhcp server settings Responses Received from Server - number of responses received from the server. Responses Received with Error - number of responses received that were in error. Displays various counters for the DHCP Server.
CLI Commands show dns counters B-39 WINS #2 - IP address of the secondary WINS server that the DHCP server will utilize. Displays various counters for DNS. Total Queries Received - sum of DNS queries received Total Response Sent - sum of DNS responses sent Responses from Local Processing - number of DNS responses from local. Responses from Remote Processing - number of DNS responses from remote.
B-40 APPENDIX B: CLI COMMAND DESCRIPTION show icmp counters Shows the Input and Output Counters for ICMP. Two types of ICMP messages error and query messages - are sent to syslog hosts. ICMP COUNTERS INPUT COUNTERS Messages - ICMP packets received. Errors - ICMP packets received with errors.
CLI Commands show interface counters B-41 Address Mask Replies - sum of these messages sent Displays counters for the specified interface. INPUT COUNTERS Octets - bytes received Ucast - Unicast packets received MultiCast - Multicast packets received BroadCast - broadcast packets received Discards - Number of inbound packets which were chosen to be discarded even though no errors had been detected to prevent their being deliverable to a higher-layer protocol.
B-42 APPENDIX B: CLI COMMAND DESCRIPTION Forwarded Packets - number of packets forwarded Bad Protocol - number of packets received with bad protocol Discarded - number of packets discarded Successfully Delivered - number of packets successfully received OUTPUT COUNTERS show ip settings show ip network settings Total Output Datagrams - sum of datagrams transmitted Discarded - number of datagrams discarded Bad Routes - number of datagrams with a bad route Fra
CLI Commands show ipx counters B-43 IP RIP Authentication Key - text string used for RIPv2 authentication Displays counters for all IPX network activity.
B-44 APPENDIX B: CLI COMMAND DESCRIPTION show ipx network settings show ipx rip Displays parameter settings for the specified IPX network. You can modify most of these values using the set ipx network command. Interface - interface this IPX network uses Network Address - network address of this IPX network Frame Type - frame type used by the interface (ETHERNET II, SNAP, or LOOPBACK) Maximum Packet Size - maximum allowable packet size for this IPX network. Default is 1500.
CLI Commands show ipx sap settings counters B-45 Displays information about SAP for IPX. show ipx settings show memory Parameters Description settings Displays the state of the IPX routing. This is ON or OFF. counters Displays the Incorrect SAP Packets for the IPX routing. The incorrect SAP packets are the number of SAP packets that do not make sense. Displays settings for dynamic IPX networks. You can modify these values using the set ipx system command.
B-46 APPENDIX B: CLI COMMAND DESCRIPTION show ppp on interface counters Displays statistics for PPP running on the specified interface. COUNTERS for PPP BUNDLE 1 Operational Status - not opened or opened Number Active Links - sum of active links using this PPP bundle Transmit Packets - sum of packets transmitted over this bundle Bytes from Upper Layer - sum of bytes received from an upper layer application for transmission over this bundle.
CLI Commands B-47 Remote MMRU - MRU the local entity uses when sending packets to remote PPP entity.
B-48 APPENDIX B: CLI COMMAND DESCRIPTION SETTINGS for PPP LINK 1 - 5 AUTHENTICATION show ppp settings Operational Status - not opened or opened Local To Remote Compression Protocol - authentication protocol used by the local PPP entity when it authenticated the itself to the remote PPP entity, PAP is the default Remote To Local Compression Protocol - authentication protocol used by the remote PPP entity when it authenticated the itself to the local PPP entity, PAP is the default Displays glo
CLI Commands B-49 Get Request PDUs - sum of SNMP Get-Request PDUs accepted and processed Get Next Request PDUs - sum of SNMP Get-Next PDUs accepted and processed Set Request PDUs - sum of SNMP Get-Next PDUs accepted and processed Get Response PDUs - sum of SNMP Get-Response PDUs accepted and processed Trap PDUs - sum of SNMP Trap PDUs accepted and processed OUTPUT COUNTERS show snmp settings Packets - sum of SNMP packets transmitted Too Big Errors - sum of SNMP PDUs generated
B-50 APPENDIX B: CLI COMMAND DESCRIPTION show telnet show tcp counters Displays the status of the TELNET escape feature (ENABLED or DISABLED). It is set using the disable and enable TELNET escape commands. Displays system-wide TCP statistics.
TELNET Commands B-51 show user settings Displays the parameters defined for the specified TELNET user. You can use list users to see which users are defined. show vc settings Displays the parameters defined for the specified VC. You can use list vc to see which virtual channels are defined.
B-52 APPENDIX B: CLI COMMAND DESCRIPTION set_escape status EOR end of record SYNC synch Allows changing the TELNET escape character from ^] to something else. Control characters are specified using the carat character followed by another character. For example, to set the TELNET escape character to control - X, type set_escape ^X. Displays the IP address of the remote host and the value of the TELNET escape character.
Command Features B-53 Output Pause The output will pause when there is more than 24 lines of output. Type ‘more’ (or press CR) to continue, or ‘quit’ to stop. Command Kill To discontinue the current command action, and flush any commands which have been typed ahead, use ^C (control-C). Comments ; Nothing following the semicolon will be processed. This is useful when you are writing CLI script files. The do command runs a CLI script.
B-54 APPENDIX B: CLI COMMAND DESCRIPTION
A Add command 2 address filtering, source and destination 26 Address Translation Overview 9 PAT 10 ADSL reset B-22 Advertisement Filters 27 Advertisement filters 27 Applying a Filter to an Interface Using CLI 37 Applying Filters Using CLI 36 Applying the Rules Using CLI 31 Assigning Filters 36 ATM show status B-35 ATM Information, configuring 3 B Bridge / Generic Filtering 34 Bridge Networks Configuration enable bridge spanning_tree B-13 set bridge B-22 Statistics list bridge forwarding B-16 bridge Network
D data filtering, Input and output 26 Data Filters 27 Date 23 Defaults 7 DHCP Configuration set DHCP mode B-23 set DHCP relay server1 B-23 set DHCP relay server2 B-24 set DHCP server B-24 Overview 11 Relay 13 Server 11 Statistics show dhcp server counters B-38 show dhcp server settings B-38 DHCP Relay Statistics show dhcp relay B-37 Diagnostics PING B-21 DNS Configuration add DNS host B-1 add DNS server B-2 delete DNS host B-10 delete DNS server B-10 list DNS hosts B-16 list DNS servers B-16 set DNS B-25 sh
I Input data filters 27 Interface 1, 3 Interface Filters 36 Interfaces disable interface B-12 disable link_traps interface B-12 enable interface B-14 list active interfaces B-16 list interfaces B-17 list lan interfaces B-19 Internet, viewing Web resources 1 IP 3, 1, 3, 4 Configuration add ip network B-3 add user B-9 delete ip network B-10 disable ip network B-12 disable network service B-13 enable ip network B-14 list ip networks B-18 show ip network settings B-42 Diagnostics ARP command B-10 list ip ARP B-
IP Source and Destination Port Filtering Using CLI 32 IPX Configuration add ipx network B-4 delete ipx network B-10 disable ipx network B-12 enable ipx network B-14 set ipx network B-28 show ipx network settings B-44 show ipx settings B-45 ROUTING show ipx RIP settings B-44 Routing add ipx route B-4 add ipx_route B-5 delete ipx route B-11 list ipx routes B-18 SAP list ipx services B-18 Service add ipx_service B-6 Statistics list ipx networks B-18 show ipx counters B-43 show ipx network counters B-43 IPX RIP
O Output data filters 27 P Package, what’s included 1 Packet filters 26 Password 2, 3 password B-21 Password Protection 25 password protection 2 Passwords add user B-9 set ppp receive_authentication B-30 PC 1 port filtering 26 PPP Dial-in set ppp receive_authentication B-30 show ppp settings B-48 WAN list ppp B-19 show ppp settings B-48 Protocol filtering 26 Protocol Rules Using CLI 29 Protocol Sections 29 Q Quick Setup 1, 2, 3, 4, 5 Quick Setup, script, instructions 1, 7 R Remote Site Management 2 RIP e
add snmp trap_community B-9 delete snmp community B-11 delete snmp trap_community B-11 disable link_traps interface B-12 disable security_option snmp user_access B-13 disable snmp authentication traps B-13 enable link_traps interface B-14 enable security_option snmp user_access B-14 enable snmp authentication traps B-14 list snmp communities B-20 System Administration Overview 23 System Commands delete configuration B-10 delete file B-10 delete framed route vc B-10 delete syslog B-11 do (run a script file)
3Com Corporation LIMITED WARRANTY HARDWARE 3Com warrants its hardware products to be free from defects in workmanship and materials, under normal use and service, for the following lengths of time from the date of purchase from 3Com or its Authorized Reseller: Network interface cards Lifetime Other hardware products (unless otherwise specified in the warranty statement above) 1 year Spare parts and spares kits 90 days If a product does not operate as warranted above during the applicable warranty per
FCC CLASS B STATEMENT This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1 This device may not cause harmful interference, and 2 This device must accept any interference received, including interference that may cause undesired operation.
