C H A P T E R 5 Configuration Procedures for the Cisco 67x CPE Devices Introduction This chapter provides information about configuring the Cisco 67x CPE devices. This information applies to the Cisco 673, Cisco 675, Cisco 675e, Cisco 676, Cisco 677, and Cisco 678. Note Cisco recommends that only one command-line application at a time be used to configure the Cisco 67x. For example, Telnet and the serial management interface should not be used simultaneously.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configuration Checklist Table 5-1 Checklist for Router Configuration (continued) Configuration Procedures Page Number Bridging Mode Procedures or Routing Mode Procedures 5-5 or 5-8 Configure the Ethernet Port (eth0) 5-10 Configure the WAN Ports and ATM Virtual Connections 5-11 Create Routing Tables 5-16 Enable IP Filtering 5-17 Configure Applications: 5-17 • DHCP Client 5-18 • DHCP Server 5-19 • NAT 5-19 • RADIUS C
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Log On to the Cisco Broadband Operating System Log On to the Cisco Broadband Operating System After connecting all the cables to the Cisco 67x and powering it on, start the terminal emulation program and press the Enter key until the CBOS login screen appears. When you see the welcome screen, you can log on to CBOS. Hello! Expanding CBOS image... CBOS v2.3.5.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Log On to the Cisco Broadband Operating System The output for Cisco 678 configured for DMT Issue 2, G.Lite line coding is similar to the following: Cisco Broadband Operating System CBOS (tm) 678 Software (C678-I-M), Version v2.3.5.012 - Release Software Copyright (c) 1986-1999 by cisco Systems, Inc.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Select a Connection Mode Note If you have not set any passwords for the Cisco 67x, press the Enter key when the system prompts you for a password to enter CBOS. If you have not preset a password, you can still log on to the CBOS. You must have an exec password set in order to Telnet into the Cisco 67x. You are now in enable mode.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Bridging Mode Procedures With RFC 1483 management enabled, you can manage the router using Telnet. The following commands are accessible through the managed bridge: • ping • telnet • tftp The following procedure shows how to set up the Cisco 67x for in-band bridging management. Note Step 1 You must be in enable mode and perform the procedure in the sequence shown.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Bridging Mode Procedures To manage the bridged Cisco 67x using a separate management VC: Step 1 To disable in-band bridging management, enter: set bridging management disabled Step 2 To enable bridging PVC, enter: set bridging PVC enabled Step 3 To save your changes, enter: write Step 4 To reboot the device, enter: reboot After rebooting, the Cisco 67x will have two PVCs enabled.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Routing Mode Procedures – RADIUS – Syslog – NAT If you choose bridging as your connection mode, see also the following sections: • “Configure the WAN Ports and ATM Virtual Connections” section on page 5-11 • “Configure Applications” section on page 5-17 through “Evaluate System Activity and Performance” section on page 5-48 Routing Mode Procedures The Cisco 67x CPEs support two types of routing: PPP routing and RFC 1483 routing.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Routing Mode Procedures Step 2 To check whether this feature is enabled, enter: show dhcp server pool 0 Step 3 Enable NAT: set nat enabled Step 4 Reboot the Cisco 67x: reboot Step 5 To check whether NAT is enabled, enter: show nat Step 6 Write the changes to NVRAM: write Step 7 Reboot the Cisco 67x: reboot When the Cisco 67x reboots, PPP routing is enabled.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Routing Mode Procedures Step 4 Reboot the Cisco 67x: reboot Note After you disable the PPP routing feature, you must manually configure the Cisco 67x.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure the Ethernet Port (eth0) Configure the Ethernet Port (eth0) To configure the Ethernet port, you must assign an IP address and netmask to the port. Complete the following steps to configure your IP address and your netmask. When setting the IP address of a particular interface, the netmask is set automatically unless it is explicitly specified. Substitute your own IP addresses for the ones shown in steps 2 through 4.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure the WAN Ports and ATM Virtual Connections Configure the WAN Ports and ATM Virtual Connections The Cisco 67x has two types of WAN ports: physical (wan0) and logical (wan0-x). The physical WAN port connects the Cisco 67x to the wide area network. The logical WAN port or ports allow you to create virtual WAN connections for plural destinations. To configure logical WAN ports, you must provision ATM virtual connections.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure the WAN Ports and ATM Virtual Connections To set the maximum number of VCs, enter: cbos# set interface wan0 maxvcs n where n is between 1 and 8. Table 5-2 shows the valid ranges for the VPI and VCI addresses. Table 5-2 Note VPI/VCI Address Ranges Maximum VCs VPI Range VCI Range 1 0-3 0-63 2 0-3 0-63 4 0-3 0-63 8 0-3 0-63 In CBOS version 2.3 or earlier, the VPI count is 1 to 4.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure the WAN Ports and ATM Virtual Connections Step 3 To enable the wan0-0 connection, enter: set interface wan0-0 enable Step 4 To begin using this connection with the new settings, enter: set interface wan0-0 open Step 5 Repeat steps 2 through 4 for every VPI assignment you want to make.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Set ScalaRate for wan0-x Step 6 To save the new WAN port configuration, enter: write Step 7 To exit CBOS, enter: quit For more information on configuring VPI/VCI address mapping, see the Cisco Broadband Operating System User Guide. Set ScalaRate for wan0-x ScalaRate is a technology developed by Cisco that allows dynamic allocation of bandwidth within an ATM-based ADSL connection.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Create Routing Tables Step 2 To set an upstream ScalaRate for a particular VC, enter: cbos# set interface wan0-0 rate 512 Step 3 To set an upstream ScalaRate to the maximum allowable rate, enter: cbos# set interface wan0-0 rate auto Step 4 To save your changes, enter: cbos# write Step 5 To exit the CBOS, enter: cbos# quit Create Routing Tables In order to pass data through a network and onto the Internet or wide area network, you mi
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Enable IP Filtering Step 4 To set a destination address for each VC, enter: set interface wan0-0 dest 192.168.245.228 mask 255.255.255.0 Step 5 To save your changes, enter: write Step 6 To exit the CBOS, enter: quit For more information on using the set route command, see the Cisco Broadband Operating System User Guide.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Applications Configure Applications The Cisco 67x supports these applications for system management and control: • DHCP client • DHCP server • NAT • RADIUS client • SNMP • SYSLOG client • Telnet server • TFTP server • Web server (HTTP server) DHCP Client The DHCP client requests an IP address from a DHCP server.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Applications Step 5 Reboot the Cisco 67x: reboot For more information on using DHCP clients, see the set dhcp client commands in the Cisco Broadband Operating System User Guide. DHCP Server The DHCP server application automatically assigns IP addresses to DHCP clients. To enable the DHCP server feature for the Cisco 67x. Note Step 1 Enabling the DHCP server automatically disables the DHCP client on the CPE.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Applications NAT The NAT application converts IP addresses on a private network (designated as “inside” or “LAN”) to global IP addresses that can forward packets to another registered network (designated as “outside” or “WAN”).
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Applications • CiscoSecure for UNIX • CiscoSecure for Windows NT Cisco 67x Implementation The Cisco 67x supports a RADIUS client. However, for most environments, the Cisco 67x RADIUS client is not used. The RADIUS profile exists on the service provider’s remote access server.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Applications where cisco is the PPP login and is_great is the password. Step 5 Use the show radius command to display the Cisco 67x default configuration for RADIUS. Note The RADIUS test command set radius test activates the RADIUS debug option. This allows you to test that RADIUS works with current client settings by sending a test message to the RADIUS server.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Applications SYSLOG Client SYSLOG logs significant system information to a remote SYSLOG server for processing without requiring large amounts of local storage or local processing. Implementing SYSLOG Using the CBOS, the Cisco 67x allows you to specify a remote server for logging system messages.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Applications Be sure your UNIX syslogd daemon accepts remote reception (network messages). Some processes might need to be killed and restarted with a -r option. Using the man syslog command to view the online UNIX manuals for information about the SYSLOG daemon.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Applications Using Telnet to Connect to the Cisco 67x Use the telnet daemon to connect to CBOS and configure and operate the Cisco 67x. Note You must have an exec password set to make a Telnet connection to the Cisco 67x. Connecting from a Windows NT 4.0 or Windows 95/98 Machine Step 1 Click Start. Step 2 Select the Run... option. Step 3 When the Run box appears, enter telnet in the space provided. Step 4 Click OK.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Applications Note See the Cisco Broadband Operating System User Guide for more information about how to set and change passwords. Notice to Windows Users The Windows Telnet client does not support NVT (Network Virtual Terminal) or any extra form of option negotiation. However, if you are going to use the Windows Telnet client, follow these steps to set your terminal settings.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Applications Connecting from a UNIX Machine Step 1 Enter the following at your prompt: telnet ip address of Cisco 67x After you have connected to the Cisco 67x, the following information appears on your terminal: Password: password Step 2 Provide the exec user password. After the system authenticates the password, you have access to the CBOS.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Applications Software Updates Use TFTP to transfer a new software image from Cisco to your Cisco 67x, where the file name format is: nsrouter.c67ydmt.x.x.x.x.bin or c67ydmt.x.x.x.x.bin. The x.x.x represents the image version number, and 67y is your CPE model number, for example, 677. Note If you are upgrading from CBOS 2.2, you must use the nsrouter.c67ydmt.x.x.x.x.bin filename format. If you are upgrading from CBOS 2.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Applications The CPE displays the following when the image is being upgraded: cbos> Downloading legacy image..... done. Saving image................. done.
Chapter 5 Configure Timeout Values (Cisco 675, Cisco 678 in CAP mode only) Configuration Procedures for the Cisco 67x CPE Devices engine to locate a vendor who sells a TFTP client. Some TFTP clients are provided as shareware or freeware on the Internet. Cisco will provide a TFTP client upon request. TFTP client requests should be directed to the Technical Assistance Center. For more information on TFTP commands, see the Cisco Broadband Operating System User Guide.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Line Coding (Cisco 677 and Cisco 678 only) Step 3 To verify these values, enter: show timeout Step 4 To save your changes, enter: write Step 5 To exit CBOS, enter: quit Configure Line Coding (Cisco 677 and Cisco 678 only) The Cisco 677 and Cisco 678 allow you to choose transmission protocols to match your network configuration by changing the router’s configuration file. Use TFTP to transfer files to and from a CPE.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Line Coding (Cisco 677 and Cisco 678 only) Step 3 Set the remote address for the TFTP host computer: cbos # set tftp remote ip address This command tells the CPE to accept TFTP transfers from a specific IP address. An example remote IP address would be 192.168.35.4. This address is an example only; do not use it to configure the router. Note If you do not have the CPE address, consult your network administrator.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Line Coding (Cisco 677 and Cisco 678 only) Step 5 Be sure to reboot the CPE to activate the new image. When you log back in to the CPE after the reboot, use the show version command to verify the version of the firmware that is active. Note the CAP firmware version. Sample Output of Configuration Session for CAP cbos#set tftp enabled TFTP is enabled cbos#tftp image 10.9.1.20 c678cap.2.3.5.012.bin Starting download...
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Line Coding (Cisco 677 and Cisco 678 only) Configure for DMT Step 1 Verify the connection from the router to the location where the correct software image is stored. This location is provided by your network administrator. Typically, you use the ping command for this step.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Line Coding (Cisco 677 and Cisco 678 only) Substitute the filename for the software image update. Files use the naming format c67ydmt.x.x.x.x.bin where 67y is the CPE model number, and x.x.x.x is the image version number. Caution Step 5 Do not turn off the power to the router until after the file transfer is completed. Be sure to reboot the CPE to activate the new image.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Line Coding (Cisco 677 and Cisco 678 only) cbos#show version Cisco Broadband Operating System CBOS (tm) 025 - Release Software Copyright (c) 1986-1999 by cisco Systems, Inc. Compiled Dec 21 1999 20:37:27 DMT firmware version 210 NVRAM image at 0x10356930 Configure for G.Lite Before the CPE can be configured for G.Lite, it must first be configured for DMT.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Line Coding (Cisco 677 and Cisco 678 only) cbos#set interface wan0 retrain cbos#show interface wan0 wan0 ADSL Physical Port Line Trained Actual Configuration: Overhead Framing: 3 Trellis Coding: Disabled Standard Compliance: G.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Line Coding (Cisco 677 and Cisco 678 only) Interleaved Symbols with CRC Errors: 0 No Cell Delineation Interleaved: 0 Header Error Check Counter Interleaved:0 Count of Severely Errored Frames: 0 Count of Loss of Signal Frames: 0 Configure for DMT2 The default line coding mode for the Cisco 677 and Cisco 678 is DMT2. The central office hardware must be correctly configured to accept a DMT2 service user.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Line Coding (Cisco 677 and Cisco 678 only) Line Trained Actual Configuration: Overhead Framing: 3 Trellis Coding: Disabled Standard Compliance: T1.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Line Coding (Cisco 677 and Cisco 678 only) Count of Loss of Signal Frames: 0 Configure for G.DMT Before the CPE can be configured for G.DMT, the .full image must be loaded. See the latest Release Notes for the Cisco Broadband Operating Sytsem for the appropriate filenames to use. The central office hardware must be correctly configured to accept a G.DMT service user.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Line Coding (Cisco 677 and Cisco 678 only) Upstream Data Rate: 864 Kbps Interleave S Downstream: 1 Interleave D Downstream: 64 Interleave R Downstream: 2 Interleave S Upstream: 4 Interleave D Upstream: 8 Interleave R Upstream: 16 Modem Microcode: G96 DSP version: 0 Operating State: Showtime/Data Mode Configured: Echo Cancellation: Disabled Overhead Framing: 3 Coding Gain: Auto TX Power Attenuation: 0dB Trellis Coding: Enabled Bit S
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Upgrade Software through Serial Download Upgrade Software through Serial Download You can upgrade software on your CPE using the serial interface: Note Changes to your CPE must be coordinated with the central office equipment. Step 1 Enter the following settings through a serial console connected to your system: 38.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Static NAT Step 9 To program the area of memory to Flash, enter: pb 10008000 fef00000 xxxxxxxx where xxxxxxxx is the value recorded in Step 6. Step 10 To turn debug monitor off, enter: m0 Step 11 To reboot, enter: rb Configure Static NAT Prior to following these steps, contact your application vendor to find out which ports they use.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure Multiple PCs Connected to the CPE For example, if the private address of your server is 10.0.0.2 and the public/routed address assigned to your CPE is 216.160.92.4 and you are running a web server, enter: set nat entry add 10.0.0.2 80 216.160.92.4 80 tcp If you are running an FTP server, enter one of the following: set nat entry add 10.0.0.2 20 216.160.92.4 20 tcp or set nat entry add 10.0.0.2 21 216.160.92.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Configure PPP over ATM with NAT Step 2 Manually enter this information in the TCP/IP properties on the PC, then click OK to save the TCP/IP configuration. Step 3 Restart the PC. Step 4 After the PC has restarted, try to ping the Ethernet address of the CPE. If the ping fails, check the hardware connections and the configuration on both the PC and the CPE. Note If the CPE is configured for NAT, the default LAN IP network is 10.0.0.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Update the CBOS Prompt Step 5 Enter: set ppp wan0-0 ipcp 0.0.0.0 Step 6 Enter: set ppp wan0-0 dns 0.0.0.0 Step 7 To enable NAT, enter: set nat enable Step 8 To enable the DHCP server, enter: set dhcp server enable Step 9 To save your changes, enter: write Step 10 To reboot the CPE, enter: reboot Update the CBOS Prompt The default CBOS prompt is cbos#.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Set Passwords Step 4 To save your changes, enter: write Step 5 To exit the CBOS, enter: quit Set Passwords After you have configured your Cisco 67x, select and configure new passwords for both the enable and exec modes. Examples of good and bad passwords are: • Good Password: 77ta99y (Do not use the sample password.) • Bad Passwords: Names, personal identification numbers, birthdates, addresses, home telephone numbers.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Save Configuration Changes Save Configuration Changes Use the write command to save any changes you have made during provisioning to the NVRAM configuration file. Enter: write Caution If you do not use the write command after changes, all the changes you made during your current session will be lost when you reboot the Cisco 67x. Evaluate System Activity and Performance Table 5-3 describes the Cisco 67x LEDs and their status.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Retrieve Statistics Retrieve Statistics Use the stats command to display statistics on Cisco 67x activities. The statistics provided by the stats command varies on the application or interface selected.
Chapter 5 Configuration Procedures for the Cisco 67x CPE Devices Interpret Statistics universal access concentrator, or a Cisco 678. The cell is injected into a specific virtual circuit along with the normal user traffic flow. The cell is carried unmodified by each intermediate ATM switching node until it arrives at the circuit's other endpoint, such as the Cisco 67x.