Traceroute Mac Ip - Cisco Catalyst 3750 Metro Command Reference Manual

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Chapter 2 Catalyst 3750 Metro Switch Cisco IOS Commands

This feature is not supported in Token Ring VLANs.

This example shows how to display the Layer 2 path by specifying the source and destination IP

addresses and by using the detail keyword:

Switch# traceroute mac ip 172.18.18.3 172.18.18.4 detail

Translating IP to mac .....

172.18.18.3 => 0002.b3d3.bb2a

172.18.18.4 => 0002.b3d3.bb29

Source 0002.b3d3.bb2a found on ip28-3750a[ME-C3750-24TE] (172.18.18.2)

1 ip28-3750a / ME-C3750-24TE / 172.18.18.2 :

Destination 0002.b3d3.bb29 found on ip28-3750a[ME-C3750-24TE] (172.18.18.2)

Layer2 trace completed.

This example shows how to display the Layer 2 path by specifying the source and destination 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) :Gi1/0/1 => Gi1/0/2

Destination 0000.0201.0201 found on con2

Layer 2 trace completed

This example shows the Layer 2 path when ARP cannot associate the source IP address with the

corresponding MAC address:

Switch# traceroute mac ip 2.2.66.66 2.2.77.77

Arp failed for destination 2.2.77.77.

Layer2 trace aborted.

Related Commands

Gi1/0/1 [auto, auto] => Gi1/1/1 [auto, 1000M]

Displays the Layer 2 path taken by the packets from the specified source MAC

address to the specified destination MAC address.

Gi1/0/2 => Gi0/1

Gi0/0/1 => Gi0/2

Gi0/0/2 => Fa0/1

Catalyst 3750 Metro Switch Command Reference

traceroute mac ip