Cisco Catalyst 3750 Command Reference Manual page 627

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Chapter 2 Catalyst 3750 Switch Cisco IOS Commands

This example shows the Layer 2 path when the switch cannot find the destination port for the source

MAC address:

Switch# traceroute mac 0000.0011.1111 0000.0201.0201

Error:Source Mac address not found.

Layer2 trace aborted.

This example shows the Layer 2 path when the source and destination devices are in different VLANs:

Switch# traceroute mac 0000.0201.0601 0000.0301.0201

Error:Source and destination macs are on different vlans.

Layer2 trace aborted.

This example shows the Layer 2 path when the destination MAC address is a multicast address:

Switch# traceroute mac 0000.0201.0601 0100.0201.0201

Invalid destination mac address

This example shows the Layer 2 path when source and destination switches belong to multiple VLANs:

Switch# traceroute mac 0000.0201.0601 0000.0201.0201

Error:Mac found on multiple vlans.

Layer2 trace aborted.

Related Commands

traceroute mac ip

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

address or hostname to the specified destination IP address or hostname.

Catalyst 3750 Switch Command Reference

traceroute mac