Cisco Catalyst 4500 Series Command Reference Guide

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
show udld
Expiration time: 43300 ms
Cache Device index: 1
Current neighbor state: Bidirectional
Device ID: FOX10430380
Port ID: Gi1/34
Neighbor echo 1 device: FOX104303NL
Neighbor echo 1 port: Gi1/34
TLV Message interval: 15 sec
No TLV fast-hello interval
TLV Time out interval: 5
TLV CDP Device name: Switch
To verify link status as reported by UDLD, enter the following command:
Switch# show udld neighbors
Port Device Name Device ID Port ID Neighbor State
---- ----------- --------- ------- --------------
Gi1/33 FOX10430380 1 Gi1/33 Bidirectional
Gi1/34 FOX10430380 1 Gi1/34 Bidirectional
To verify Fast UDLD configuration, enter the following command:
Switch# show udld fast-hello
Total ports on which fast hello can be configured: 16
Total ports with fast hello configured: 3
Total ports with fast hello operational: 3
Total ports with fast hello non-operational: 0
Port-ID Hello Neighbor-Hello Neighbor-Device Neighbor-Port Status
------- ----- -------------- --------------- ------------- ------
Gi1/45 200 200 FOX104303NL Gi1/45 Operational
Gi1/46 200 200 FOX104303NL Gi1/46 Operational
Gi1/47 200 200 FOX104303NL Gi1/47 Operational
To verify status for a particular link as reported by Fast UDLD, enter the following command:
Switch# show udld fast-hello g1/33
Interface Gi1/33
---
Port enable administrative configuration setting: Enabled / in aggressive mode
Port enable operational state: Enabled / in aggressive mode
Current bidirectional state: Bidirectional
Current operational state: Advertisement - Single neighbor detected
Message interval: 200 ms
Time out interval: 5000 ms
Port fast-hello configuration setting: Enabled
Port fast-hello interval: 200 ms
Port fast-hello operational state: Enabled
Neighbor fast-hello configuration setting: Enabled
Neighbor fast-hello interval: 200 ms
Entry 1
---
Expiration time: 500 ms
Cache Device index: 1
Current neighbor state: Bidirectional
Device ID: FOX10430380
Port ID: Gi1/33
Neighbor echo 1 device: FOX104303NL
Neighbor echo 1 port: Gi1/33

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