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 ip

To display the Layer 2 path taken by the packets from the specified source IP address or hostname to the

specified destination IP address or hostname, use the traceroute mac command.

traceroute mac ip {source-ip-address | source-hostname} {destination-ip-address |

destination-hostname} [detail]

Syntax Description

Defaults This command has no default settings.

Command Modes Privileged EXEC

Command History

Usage Guidelines 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

the switches in the network. Do not disable CDP.

When the switch detects an 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.

source-ip-address IP address of the source switch as a 32-bit quantity in dotted-decimal

format.

destination-ip-address IP address of the destination switch as a 32-bit quantity in dotted-decimal

format.

source-hostname IP hostname of the source switch.

destination-hostname IP hostname of the destination switch.

detail (Optional) Displays detailed traceroute MAC IP information.

Release Modification

12.1(13)EW Support for this command was introduced on the Catalyst 4500 series switch.

Cisco 4500M Command Reference

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