Name: Cisco 4500M
Brand: Cisco
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Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW

78-16201-01

Chapter2Cisco IOS Commands for the Catalyst 4500 Series Switches

traceroute mac

To display the Layer 2 path taken by the packets from the specified source MAC address to the specified

destination MAC address, use the traceroute mac command.

traceroute mac [interface interface-id] {source-mac-address} [interface interface-id]

{destination-mac-address} [vlan vlan-id] [detail]

Syntax Description

Defaults This command has no default settings.

Command Modes Privileged EXEC

Command History

Usage Guidelines Do not use leading zeros when entering a VLAN ID.

The Layer 2 traceroute feature is available on these switches:

• Catalyst 2950 switches running Release 12.1(12c)EA1 or later

• Catalyst 3550 switches running Release 12.1(12c)EA1 or later

• Catalyst4500 series switches running Catalyst operating system Release 6.2 or later for the

supervisor engine

• Catalyst4500 series switches running Release 12.1(15)EW or later

• Catalyst 5000 family switches running Catalyst operating system Release 6.1 or later for the

supervisor engine

• Catalyst 6500 series switches running Catalyst operating system Release 6.1 or later for the

supervisor engine

For Layer 2 traceroute to functional properly, Cisco Discovery Protocol (CDP) must be enabled on all

of the switches in the network. Do not disable CDP.

When the switch detects a device in the Layer 2 path that does not support Layer 2 traceroute, the switch

continues to send Layer 2 trace queries and lets them time out.

The maximum number of hops identified in the path is ten.

interface interface-id (Optional) Source or destination switch interface.

source-mac-address MAC address of the source switch in hexadecimal format.

destination-mac-address MAC address of the destination switch in hexadecimal format.

vlan vlan-id (Optional) VLAN on which to trace the Layer 2 path that the packets take

from the source switch to the destination switch; valid VLAN IDs are from

1 to 4094. Do not enter leading zeros.

detail (Optional) Displays detail information.

Release Modification

12.1(15)EW Support for this command was introduced on the Catalyst 4500 series switch.

Cisco 4500M Command Reference

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