Instant EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Use this guide to install: Linksys EtherFast® Managed 24-Port with Dual Gigabit Switch (EF24G2M) User Guide
COPYRIGHT & TRADEMARKS Copyright © 2001 Linksys, All Rights Reserved. EtherFast is a registered trademark of Linksys. Microsoft, Windows, and the Windows logo are registered trademarks of Microsoft Corporation. All other trademarks and brand names are the property of their respective proprietors.
EtherFast® Series Table of Contents EtherFast® Managed 24-Port with Dual Gigabit Switch Introduction Introduction Package Contents 1 2 Getting to Know the Switch LEDs The RJ-45 Ports The Gigabit Ports The Console Port 3 3 5 5 5 Installing the Switch Pre-Installation Considerations Rack-Mounting the Switch Powering on the Switch Uplinking the Switch 6 6 7 7 7 Switch Management Overview 8 8 Configuring the Switch Overview Logging On to the Switch Main Menu System Information Menu Management Setup
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Getting to Know the Switch LEDs Power (Green) The LED will illuminate when the switch is powered on. SNMP (Green) The LED will illuminate when the switch is being managed via SNMP. Console (Green) The LED will illuminate when the switch is being managed via the local console. Fan Failure (Green) The LED will illuminate when a fan has failed. OverHeat (Green) The LED will illuminate when the switch is overheating.
EtherFast® Series MODE COL ACT FDX 100M EtherFast® Managed 24-Port with Dual Gigabit Switch The RJ-45 Ports (Amber) The LED will illuminate when collisions are detected. (Amber) The LED will illuminate when there are active ports. (Amber) The LED will illuminate when there are ports operating in full-duplex mode. (Amber) The LED will illuminate when there are ports transmitting data at 100Mbps.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Installing the Switch Rack-Mounting the Switch Pre-Installation Considerations The EtherFast® Managed 24-Port with Dual Gigabit Switch can be used as a free-standing unit, or installed in any standard 19-inch rack.
EtherFast® Series Switch Management Overview EtherFast® Managed 24-Port with Dual Gigabit Switch 2. The following screen will appear. Enter a Name for this connection. In the example below, the name of the connection is EF24G2M. Click the OK button. The Linksys EtherFast® Managed 24-Port with Dual Gigabit Switch offers an easy-to-use, menu-driven configuration program. This program can be accessed by a console interface, a Web browser, a telnet connection, or SNMP/RMON.
EtherFast® Series 4. When the following screen appears, make sure that the Switch’s serial port settings are as follows: BAUD RATE: DATA BITS: PARITY: STOP BITS: FLOW CONTROL: 19200 8 None 1 None EtherFast® Managed 24-Port with Dual Gigabit Switch Telnet Management Telnet management is available after the Switch has been configured with a valid IP address, subnet mask, and default gateway (for Layer 2 mode) via the console interface. Use telnet from any computer attached to the network.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Configuring the Switch Main Menu Overview After you log on to the Switch, the Main Menu screen will appear. The Switch’s menu-driven configuration program may be configured using the local console, a Web browser, telnet, or SNMP/RMON. The remote management methods can be used once the IP parameters have been set via the local console.
EtherFast® Series • Network Monitor Menu - Provides access to port statistics, RMON statistics, address tables, VLAN registration and forwarding information, multicast groups, and subnet addresses. EtherFast® Managed 24-Port with Dual Gigabit Switch System Information The System Information screen displays descriptive information about the Switch or system. • System Restart Menu - Resets the management agent.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Switch Information Management Setup Menu The Switch Information screen displays hardware and firmware version numbers for the main board, as well as the power status. The Management Setup Menu screen allows you to adjust the communication parameters, ensuring a reliable connection. The new administrator password is set through this menu. The IP parameters for Web, telnet, or SNMP/RMON management are set here as well.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Network Configuration IP Configuration The Network Configuration menu allows you to set the Switch’s IP address, configure the IP parameters, or enable the on-board Web management. The IP Configuration menu allows you to configure the IP parameters. (Only displayed in Layer 2 mode) • Interface Type - Indicates IP over Ethernet. • IP Configuration* - Sets the bootup option or configure the Switch’s IP parameters.
EtherFast® Series IP Connectivity Test (Ping) The IP Connectivity Test is used to see if another site or node on the network can be reached. EtherFast® Managed 24-Port with Dual Gigabit Switch HTTP Configuration The HTTP Configuration screen allows you to enable or disable Web management. Note: Port 80 is used for HTTP service. • IP Address - IP address of the device you want to ping. • Test Times - The number of ICMP echo requests to send to the specified site. Range varies from 1 to 1000.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Serial Port Configuration SNMP Configuration The Serial Port Configuration screen allows you to access the communication parameters for the Switch’s serial port. The SNMP Configuration screen displays parameters for the Simple Network Management Protocol (SNMP). • Baud Rate - The rate at which data is sent between devices. Default is 19200. Options are 9600, 19200, and 38400 baud. • Data Bits - Sets the data bits of the RS-232 port.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch SNMP Communities IP Trap Managers The SNMP Communities screen allows you to configure the community strings authorized for management access. Up to five community names may be entered. The IP Trap Managers screen specifies management stations that will receive authentication failure messages or other trap messages from the Switch. Up to five trap managers may be entered.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch User Configuration Add User The User Configuration screen to restrict management access based on specified user names and passwords. There are two user types, Administrator and Guest. Only the Administrator has write access for parameters governing the SNMP agent. The Add User screen allows you to add a user. • User Name - Specifies user authorized management access to the Switch via the console, telnet, or the Web.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch TFTP Download Configuration File The TFTP Download screen lets you load software updates to permanent flash ROM in the Switch. After downloading the new software, the agent will automatically restart itself. The Configuration File screen allows you to load a configuration file on any Switch on the network. • Download Server IP - IP address of a TFTP server. • Download Filename - The binary file to download.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Device Control Menu The Device Control Menu is used to control a broad range of functions, including port mode, port mirroring, port trunking, Spanning Tree, VLANs, IP subnets, multicast filtering, and routing protocols. Note: This screen shots shows the Device Control Menu displayed by a Layer 2 switch. • IGMP Snooping Configuration - Configures IGMP multicast filtering. (Only displayed for Layer 2 mode.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch System Mode Layer 2 Menu The System Mode screen lets you set the Switch to operate as a Layer 2 switch or as a multilayer routing switch. As a Layer 2 switch, the Switch makes all filtering and forwarding decisions based strictly on MAC addresses. As a multilayer routing switch, it switches packets for all non-IP protocols based on MAC addresses, and routes all IP packets based on the specified routing protocol.
EtherFast® Series Port Configuration The Port Configuration screen lets you display or set communication parameters for any port or module on the Switch, including administrative status, auto-negotiation, default communication speed and duplex mode, as well as flow control in use. EtherFast® Managed 24-Port with Dual Gigabit Switch connected directly to the Switch when its buffers fill. When enabled, back pressure is used for half duplex and IEEE 802.3x for full duplex.
EtherFast® Series • Monitor Port - The port that will duplicate the transmitted or received traffic appearing on the mirrored port. Note: You can mirror multiple ports to a single port to view traffic such as that crossing a port trunk. However, note that some packets may be dropped for moderate to heavy loading.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Add Static Address Entry Static Multicast Address Configuration The Add Static Address Entry screen allows you to add static addresses for unicasting. The Static Multicast Address Table can be used to assign a destination MAC address (and the corresponding ports) to the VLAN group used for a specific multicast service.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Add Multicast Address Entry Bridge Menu The Add Static Address Entry screen allows you to add static addresses for multicasting. The Bridge Menu is used to configure settings for the Spanning Tree Algorithm, as well as the global bridge settings for GMRP (GARP Multicast Registration Protocol) and GVRP (GARP VLAN Registration Protocol), traffic classes priority threshold, and address aging time.
EtherFast® Series Bridge Configuration The Bridge Configuration screen allows you to configure global bridge settings. EtherFast® Managed 24-Port with Dual Gigabit Switch • GVRP - GVRP defines a way for switches to exchange VLAN information in order to register VLAN members on ports across the network. This function should be enabled to permit automatic VLAN registration, and to support VLANs which extend beyond the local switch.
EtherFast® Series priority, the port with the lowest numeric identifier will be enabled. The range is 0-255. • Cost - This parameter is used by the STA algorithm to determine the best path between devices. Therefore, lower values should be assigned to ports attached to faster media, and higher values assigned to ports with slower media. (This takes precedence over port priority.) • Fast Forwarding - This parameter is used to enable/disable the Fast Spanning Tree mode for the selected port.
EtherFast® Series ensures that after a Leave or Leave All message has been issued, the applicants can re-join before the port actually leaves the group. • Leave All Time - The interval (centiseconds) between sending out a Leave All query message for group participants and the port leaving the group. This interval should be considerably larger than the Leave Time to minimize the amount of traffic generated by nodes rejoining the group.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch IP Menu Subnet Configuration The IP Menu is used to configure the IP subnets for each VLAN on your Switch, the unicast and multicast routing protocols, and IGMP. This menu is only available for a Switch in multilayer mode. The Subnet Configuration screen allows you to specify an IP interface for any VLAN configured on this Switch that needs to communicate with a device outside of its own group (that is, another network segment).
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Add Subnet Protocol Configuration The Add Subnet screen allows you to add an IP interface. The Protocol Configuration screen is used to globally enable or disable unicast or multicast routing protocols for the Switch. • VLAN - The VLAN associated with this IP interface. • ARP - Address Resolution Protocol. Select Advanced for additional configuration. • Select - Use this option to create or modify a VLAN.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch ARP Configuration RIP Configuration The ARP Configuration screen allows you to specify the timeout duration. The RIP Configuration screen allows you to specify the how routers exchange routing table information. • ARP Timeout - Duration of timeout (in minutes). • RIP Update Time - Duration of timeout (in seconds). Select Apply to make changes. Select OK to return to the previous panel. Select Cancel to cancel any changes.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch BOOTP Relay Database Configuration Static ARP Table The BOOTP Relay Database Configuration screen allows you to specify the IP address for a BOOTP relay server. The Static ARP Table screen is used to specify the static Address Resolution Protocol. • Index Server Address - Used to define any preferred DHCP servers or the outbound subnetwork for relaying a DHCP request broadcast. (Up to five entries are permitted.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Add Static ARP Entry Static Route Table The Add Static ARP Entry screen is used to add a static ARP entry. The Static Route Table screen is used to configure a static route. • Destination Network - A destination network, subnet, or host. • IP Address - IP address statically mapped to a physical MAC address. • MAC Address - MAC address statically mapped to the corresponding IP address.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Add Routing Entry Default Route Menu The Add Routing Entry screen is used to add a routing entry. The Default Route Menu screen is used to define a route to which this Switch will forward all traffic for unknown networks. • IP Address - IP address of static ARP entry. • VLAN - The VLAN which has the IP interface to the default router. • MAC Address - MAC address of static ARP entry.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Security Menu MAC Filtering Configuration The Security Menu is used to configure security options. The MAC Filtering Configuration screen allows you to filter out specified MAC addresses. Any node that presents a security risk or is malfunctioning can be filtered from this Switch. Security filtering can be used to drop all the traffic from a host device based on a specified MAC address.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Add MAC Address Filter IP Security Filtering Configuration The Add MAC Address Filter screen allows you to add MAC addresses. Security filtering can be used to drop all the traffic from a specified IP address. (Only available when the Switch is in multilayer mode) • MAC Address - The MAC address of a host device attached to this Switch. Select OK to confirm the changes. Select Cancel to cancel any changes.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch IGMP Snooping Configuration Network Monitor Menu The IGMP Snooping Configuration allows you to set up IGMP snooping. IGMP snooping is used to monitor for any attached hosts who want to receive a specific multicast service. It looks up the IP Multicast Group used for this service and adds any port that received a similar request to that group.
EtherFast® Series • IP Multicast Registration Table - Displays all the multicast groups active on this Switch, including the multicast IP address and the corresponding VLANs. (Only displayed for Layer 2 mode. When the Switch is in multilayer mode, IP Multicast Registration Table is available through the IP Menu.) • IP Menu - Displays information regarding a variety of IP settings, including subnets, ARP table, routing table, and multicast groups. (Not shown in screenshot.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch • In Errors - The number of inbound packets that contained errors preventing them from being deliverable to a higher-layer protocol. • Drop Events - The total number of events in which packets were dropped due to lack of resources. • Alignment Errors - The number of alignment errors (mis-synchronized data packets). • Octets - Number of octets passing through this port.
EtherFast® Series RMON Statistics The RMON Statistics screen provides access to a broad range of statistics, including a total count of different frame types and sizes passing through each port. The values displayed have been accumulated since the last system reboot. EtherFast® Managed 24-Port with Dual Gigabit Switch • Undersize Frames - The total number of frames received that were less than 64 octets long (excluding framing bits, but including FCS octets) and were otherwise well formed.
EtherFast® Series • 1024-1518 Byte Frames - The total number of frames (including bad packets) received and transmitted where the number of octets fall within the specified range (excluding framing bits, but including FCS octets). • 1519-1536 Byte Frames - The total number of frames (including bad packets) received and transmitted where the number of octets fall within the specified range (excluding framing bits, but including FCS octets).
EtherFast® Series Spanning Tree Bridge Information The STA Bridge Information screen displays a summary of STA information for the overall bridge. EtherFast® Managed 24-Port with Dual Gigabit Switch • Root Cost - The path cost from the root port on this Switch to the root device. • Root Port - The number of the port on this Switch that is closest to the root. This Switch communicates with the root device through this port.
EtherFast® Series • Status - Displays current state of this port within the Spanning Tree: Disabled No link has been established on this port. Otherwise, the port has been disabled by the user or has failed diagnostics. Blocking Port received STA configuration messages, but does not forward packets. Listening Port will leave blocking state due to a topology change, starts transmitting configuration messages, but does not yet forward packets.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch VLAN Dynamic Registration Information VLAN Forwarding Information The VLAN Dynamic Registration Information screen shows the ports that have been automatically learned via GVRP. The VLAN Forwarding Information screen shows all the ports that have been configured by either dynamic or static means to forward VLAN traffic. • VLAN - The ID for the VLAN. • VLAN - The ID for the VLAN. • Port - The ports on the Switch.
EtherFast® Series IP Multicast Registration Table The IP Multicast Registration Table displays all the multicast groups active on the Switch, including the multicast IP address and the corresponding VLANs. EtherFast® Managed 24-Port with Dual Gigabit Switch Select Apply to make changes. Select OK to return to the previous panel. Select Prev Page to view the previous page. Select Next Page to view the next page. To display a specific page, set the page number in the Page field and then press Apply.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Subnet Information ARP Table The Subnet Information screen displays information about the IP interface for VLANs configured on this Switch. The ARP Table shows the IP-to-MAC addresses discovered by ARP. • IP Address - The IP address associated with the specified VLAN interface. • IP Address - IP addresses for which ARP has resolved the physical address through a broadcast message.
EtherFast® Series Routing Table The Routing Table lists the routes through which all recognized Ethernet networks (and corresponding VLAN) can be reached. EtherFast® Managed 24-Port with Dual Gigabit Switch • Protocol - How the route was learned. Local: Manually configured Mgmt: Set via SNMP ICMP: Obtained via ICMP redirect RIP: Learned via RIP protocol Other: Learned by some other method Select Apply to make changes. Select OK to return to the previous panel. Select Prev Page to view the previous page.
EtherFast® Series • Multicast Forwarding Cache Table - Cache for multicast forwarding. • DVMRP Routing Table - Routing table for Distance-Vector Multicast Routing Protocol. • DVMRP Neighbor Table - Table of neighbors for Distance-Vector Multicast Routing Protocol. Select OK to return to the previous panel. IGMP Cache The IGMP Cache screen shows the settings for the IGMP cache. EtherFast® Managed 24-Port with Dual Gigabit Switch • Expire - The time remaining before this entry will be aged out.
EtherFast® Series 88 EtherFast® Managed 24-Port with Dual Gigabit Switch Multicast Forwarding Cache DVMRP Routing Table The Multicast Forwarding Cache displays the settings for the cache. The DVMRP Routing Table shows the routes for the DistanceVector Multicast Routing Protocol. • Group Address - An IP multicast group address with subscribers directly attached or downstream from this Switch. • Source Address - The IP subnetwork at the root of the multicast delivery tree.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch DVMRP Neighbor Table System Restart Menu The DVMRP Neighbor Table shows information about the neighbors used for the Distance-Vector Multicast Routing Protocol. The System Restart Menu resets the management agent. • Interface - The IP interface on this Switch that connects to the upstream neighbor. • Neighbor Address - The IP address of the network device immediately upstream for this multicast delivery tree.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Exit Troubleshooting The Exit command under the Main Menu is used to exit the configuration program and terminate communications with the Switch for the current session. Common Problems and Solutions If you need to return to the program, press Enter repeatedly. This section provides possible solutions to problems regarding the installation and operation of the Managed 24-Port with Dual Gigabit Switch.
EtherFast® Series 3. I can’t access the on-board configuration program via a serial port configuration. • Be sure you have set the terminal emulator program to VT100 compatible, 8 data bits, 1 stop bit, no parity, and 19200 bps. • Check that the null-modem serial cable conforms to the pin-out connections provided below.
EtherFast® Series Appendix Upgrading Firmware via the Serial Port You can upgrade system firmware by connecting your computer to the serial port on the Switch and using a console interface package that supports the XModem protocol. 1. Restart the system by using the Restart System command, or by pulling out the power cord to reset the power, waiting five seconds, and plugging it back in. 2.
EtherFast® Series Glossary 10BaseT - An Ethernet standard that uses twisted wire pairs. 100BaseTX - IEEE physical layer specification for 100Mbps over two pairs of Category 5 UTP wire. 1000BASE-T - Provides half-duplex (CSMA/CD) and full-duplex 1000Mbps Ethernet service over Category 5e links as defined by ANSI/TIA/EIA-568-A. Topology rules for 1000Base-T are the same as those used for 100Base-TX. Category 5e link lengths are limited to 100 meters by the ANSI/TIA/EIA-568A cabling standard.
EtherFast® Series DVMRP (Distance-Vector Multicast Routing Protocol) - Used for routing multicast messages through the Internet. Dynamic Routing - The ability for a router to forward data via a different route based on the current conditions of the communications circuits. For example, it can adjust for overloaded traffic or failing lines and is much more flexible than static routing, which uses a fixed forwarding path.
EtherFast® Series Network - A system that transmits any combination of voice, video, and/or data between users. NIC (Network Interface Card) - A board installed in a computer system, usually a PC, to provide network communication capabilities to and from that computer system. Also called an adapter. Port - A pathway into and out of the computer or a network device such as a switch or router.
EtherFast® Series EtherFast® Managed 24-Port with Dual Gigabit Switch Specifications Warranty Information Model Number Standards BE SURE TO HAVE YOUR PROOF OF PURCHASE AND A BARCODE FROM THE PRODUCT’S PACKAGING ON HAND WHEN CALLING. RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE. Protocol Ports Speed Per Port (Mbps) 10/100 Ports 1000 Ports MAC Addresses MAC Addresses Max Frame Size Buffer Memory Cabling Type LEDs EF24G2M IEEE 802.1D, IEEE 802.1p, IEEE 802.1Q, IEEE 802.3, IEEE 802.
EtherFast® Series Contact Information For help with the installation or operation of this product, contact Linksys Customer Support at one of the phone numbers or Internet addresses below. Sales Information Tech Support RMA Issues Fax Email Web FTP Site 106 800-546-5797 (LINKSYS) 888-793-5932 949-261-1288 949-261-8868 support@linksys.com http://www.linksys.com ftp.linksys.
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