Traceroute Mac - Cisco Catalyst 4500 Series Configuration Manual

Chapter 2

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.
Syntax Description interface interface-id
source-mac-address
destination-mac-address
vlan vlan-id
detail
Command Default This command has no default settings.
Command Modes Privileged EXEC mode
Command History Release
12.1(15)EW
Usage Guidelines Do not use leading zeros when entering a VLAN ID.
The Layer 2 traceroute feature is available on these switches:
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•
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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.
traceroute mac [interface interface-id] {source-mac-address} [interface interface-id]
{destination-mac-address} [vlan vlan-id] [detail]
(Optional) Specifies the source or destination switch interface.
MAC address of the source switch in hexadecimal format.
MAC address of the destination switch in hexadecimal format.
(Optional) Specifies the 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.
(Optional) Displays detail information.
Modification
This command was introduced on the Catalyst 4500 series switch.
Catalyst 2950 switches running Release 12.1(12c)EA1 or later
Catalyst 3550 switches running Release 12.1(12c)EA1 or later
Catalyst 4500 series switches running Catalyst operating system Release 6.2 or later for the
supervisor engine
Catalyst 4500 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
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release XE 3.9.xE and 15.2(5)Ex
traceroute mac
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