Cisco Catalyst 4500 Series Administration Guide

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Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)SG
OL-30933-01
Chapter 5 Configuring Virtual Switching Systems
Configuring a VSS
Displaying VSL Information
To display information about the VSL, perform one of these tasks:
This example shows how to display VSL information:
Switch# show switch virtual link
VSL Status : UP
VSL Uptime : 1 day, 3 hours, 39 minutes
VSL Control Link : Te 1/5/1
Switch# show switch virtual link port-channel
Flags: D - down P - bundled in port-channel
I - stand-alone s - suspended
H - Hot-standby (LACP only)
R - Layer3 S - Layer2
U - in use N - not in use, no aggregation
f - failed to allocate aggregator
M - not in use, no aggregation due to minimum links not met
m - not in use, port not aggregated due to minimum links not met
u - unsuitable for bundling
w - waiting to be aggregated
Group Port-channel Protocol Ports
------+-------------+-----------+---------------------------------------------
10 Po10(RU) - Te1/5/4(P) Te1/5/5(P)
20 Po20(RU) - Te2/5/4(P) Te2/5/5(P)
Switch# show switch virtual link port
LMP summary
Link info: Configured: 1 Operational: 1
Peer Peer Peer Peer Timer(s)running
Interface Flag State Flag MAC Switch Interface (Time remaining)
--------------------------------------------------------------------------------
Gi1/3/11 vfsp operational vfsp f866.f296.be00 2 Gi2/1/11 T4(708ms)
T5(29.91s)
Flags: v - Valid flag set f - Bi-directional flag set
s - Negotiation flag set p - Peer detected flag set
Timers: T4 - Hello Tx Timer T5 - Hello Rx Timer
LMP Status
Last operational Current packet Last Diag Time since
Interface Failure state State Result Last Diag
-------------------------------------------------------------------------------
Gi1/3/11 No failure Hello bidir Never ran --
Command Purpose
Switch# show switch virtual link
Displays information about the VSL.
Switch# show switch virtual link port-channel
Displays information about the VSL port channel.
Switch# show switch virtual link port
Displays information about the VSL ports.

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E