Specifications

2-888
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0XO(15.1(1)XO)
OL_28738 -01
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
traceroute mac ip
Switch# traceroute mac ip 2.2.66.66 2.2.22.22 detail
Translating IP to mac.....
2.2.66.66 =>0000.0201.0601
2.2.22.22 =>0000.0201.0201
Source 0000.0201.0601 found on con6[WS-C2950G-24-EI] (2.2.6.6)
con6 / WS-C2950G-24-EI / 2.2.6.6 :
Fa0/1 [auto, auto] =>Fa0/3 [auto, auto]
con5 / WS-C2950G-24-EI / 2.2.5.5 :
Fa0/3 [auto, auto] =>Gi0/1 [auto, auto]
con1 / WS-C3550-12G / 2.2.1.1 :
Gi0/1 [auto, auto] =>Gi0/2 [auto, auto]
con2 / WS-C3550-24 / 2.2.2.2 :
Gi0/2 [auto, auto] =>Fa0/1 [auto, auto]
Destination 0000.0201.0201 found on con2[WS-C3550-24] (2.2.2.2)
Layer 2 trace completed.
Switch#
This example shows how t o display the Layer 2 pa th by spe cifying th e source an d destinati on hostnames:
Switch# traceroute mac ip con6 con2
Translating IP to mac .....
2.2.66.66 =>0000.0201.0601
2.2.22.22 =>0000.0201.0201
Source 0000.0201.0601 found on con6
con6 (2.2.6.6) :Fa0/1 =>Fa0/3
con5 (2.2.5.5 ) : Fa0/3 =>Gi0/1
con1 (2.2.1.1 ) : Gi0/1 =>Gi0/2
con2 (2.2.2.2 ) : Gi0/2 =>Fa0/1
Destination 0000.0201.0201 found on con2
Layer 2 trace completed
Switch#
This example shows the Layer 2 path wh en Address Resolution P rotocol (ARP) cannot asso ciate the
source IP addr ess wit h the c orrespond ing MAC a ddress:
Switch# traceroute mac ip 2.2.66.66 2.2.77.77
Arp failed for destination 2.2.77.77.
Layer2 trace aborted.
Switch#
Related Commands Command Description
traceroute mac Displays the Layer 2 path taken by the packets from the
specified source MAC address to the specified destination
MAC address.