Configuring LAN Interfaces

Configuring Fast EtherChannel

Configuring the 100VG-AnyLAN Port Adapter

The 100VG-AnyLAN port adapter (PA-100VG) is available on Cisco 7200 series routers and on Cisco 7500 series routers.

The PA-100VG provides a single interface compatible with and specified by IEEE 802.12 to support

100Mbps over Category 3 or Category 5 unshielded twisted-pair (UTP) cable with RJ-45 terminators. The PA-100VG supports 802.3 Ethernet packets and can be monitored with the IEEE 802.12 Interface MIB.

To configure the PA-100VG port adapter, use the following commands beginning in global configuration mode:

 

Command

Purpose

Step 1

 

 

interface vg-anylan

Specifies a 100VG-AnyLAN interface and enters interface

 

slot/port-adapter/port

configuration.

 

(Cisco 7500)

 

 

or

 

 

interface vg-anylan slot/port

 

 

(Cisco 7200)

 

Step 2

 

 

ip address ip-address mask

Specifies the IP address and subnet mask to the interface.

Step 3

 

 

frame-type ethernet

Configures the frame type. Currently, only Ethernet frames are

 

 

supported. The frame type defaults to Ethernet.

 

 

 

Note The port number for the 100VG-AnyLAN port adapter is always 0.

Configuring the PA-100VG interface is similar to configuring an Ethernet or Fast Ethernet interface. To display information about the 100VG-AnyLAN port adapter, use the show interfaces vg-anylanEXEC command.

Configuring Fast EtherChannel

The Fast EtherChannel feature allows multiple Fast Ethernet point-to-point links to be bundled into one logical link to provide bidirectional bandwidth of up to 800 Mbps. Fast EtherChannel builds on standards-based 802.3 full-duplex Fast Ethernet to provide fault-tolerant, high-speed links between switches, routers, and servers. This feature can be configured between Cisco 7500 series routers and Cisco 7000 series routers with the 7000 Series Route Switch Processor (RSP7000) and 7000 Series Chassis Interface (RSP7000CI) or between a Cisco 7500 series router or a Cisco 7000 series router with the RSP7000 and RSP700CI and a Catalyst 5000 switch.

Note Using the Fast EtherChannel feature on a Catalyst 5000 switch requires a hardware upgrade. Contact your local sales representative for upgrade details.

Fast EtherChannel provides higher bidirectional bandwidth, redundancy, and load sharing. Up to four Fast Ethernet interfaces can be bundled in a port-channel, and the router or switch can support up to four port-channels. The Fast EtherChannel feature is capable of load balancing traffic across the Fast Ethernet

Cisco IOS Interface Configuration Guide

IC-33

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Cisco Systems IC-23 manual Configuring Fast EtherChannel, Configuring the 100VG-AnyLAN Port Adapter, IC-33

IC-23 specifications

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