Cisco Cisco 5760 Wireless LAN Controller Riferimenti tecnici
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 in privileged EXEC mode.
destination MAC address, use the traceroute mac command in privileged EXEC mode.
traceroute mac [interface interface-id] source-mac-address [interface interface-id] destination-mac-address
[vlan vlan-id] [detail]
[vlan vlan-id] [detail]
Syntax Description
(Optional) Specifies an interface on the source or destination controller.
interface interface-id
Specifies the MAC address of the source controller in hexadecimal format.
source-mac-address
Specifies the MAC address of the destination controller in hexadecimal
format.
format.
destination-mac-address
(Optional) Specifies the VLAN on which to trace the Layer 2 path that
the packets take from the source controller to the destination controller.
Valid VLAN IDs are 1 to 4094.
the packets take from the source controller to the destination controller.
Valid VLAN IDs are 1 to 4094.
vlan vlan-id
(Optional) Specifies that detailed information appears.
detail
Command Default
None
Command Modes
Privileged EXEC
Command History
Modification
Release
This command was introduced.
Cisco IOS XE 3.2SE
Usage Guidelines
For Layer 2 traceroute to function properly, Cisco Discovery Protocol (CDP) must be enabled on all the
controlleres in the network. Do not disable CDP.
controlleres in the network. Do not disable CDP.
When the controller detects a device in the Layer 2 path that does not support Layer 2 traceroute, the controller
continues to send Layer 2 trace queries and lets them time out.
continues to send Layer 2 trace queries and lets them time out.
The maximum number of hops identified in the path is ten.
Layer 2 traceroute supports only unicast traffic. If you specify a multicast source or destination MAC address,
the physical path is not identified, and an error message appears.
the physical path is not identified, and an error message appears.
The traceroute mac command output shows the Layer 2 path when the specified source and destination
addresses belong to the same VLAN. If you specify source and destination addresses that belong to different
VLANs, the Layer 2 path is not identified, and an error message appears.
addresses belong to the same VLAN. If you specify source and destination addresses that belong to different
VLANs, the Layer 2 path is not identified, and an error message appears.
Consolidated Platform Command Reference, Cisco IOS XE Release 3SE (Cisco WLC 5700 Series)
108
OL-29471-01
traceroute mac