Trigger a Layer 2 multicast traceroute. Enable Connectivity Fault Management (CFM) to debug Layer 2.
l2 tracemroute source {A.B.C.D} group {A.B.C.D}
l2 tracemroute source {A.B.C.D} group {A.B.C.D} priority <0-7>
l2 tracemroute source {A.B.C.D} group {A.B.C.D} ttl-value <1-255>
l2 tracemroute source {A.B.C.D} group {A.B.C.D} vlan <1-4059>
l2 tracemroute source {A.B.C.D} group {A.B.C.D} vrf WORD<1-16>
None
User EXEC
The l2 tracemroute command displays the following information for a VLAN:
Output field |
Description |
---|---|
Source |
Specifies the source IP address of the flow where the multicast trace tree originates. |
Group |
Specifies the IP address of the multicast group. |
VLAN |
Specifies the VLAN. |
BMAC |
Specifies the backbone MAC address. |
B-VLAN |
Specifies the backbone VLAN. |
I-SID |
Specifies the service identifier. |
The l2 tracemroute command displays the following information for a VRF:
Output field |
Description |
---|---|
Source |
Specifies the source IP address of the flow where the multicast trace tree originates. |
Group |
Specifies the IP address of the multicast group. |
VRF |
Specifies the VRF. |
BMAC |
Specifies the backbone MAC address. |
B-VLAN |
Specifies the backbone VLAN. |
I-SID |
Specifies the service identifier. |