View Layer 2 Traceroute Results
Use this procedure to view Layer 2 traceroute results. This feature enables CFM to debug Layer 2. It can also help you debug ARP problems by providing the ability to troubleshoot next hop ARP records.
About this task
You can display Layer 2 tracetree results to view a multicast tree on the SPBM B-VLAN from the source node to the destination nodes for a particular I-SID. For more information, see View Layer 2 Tracetree Results.
Procedure
- In the navigation pane, expand .
- Select L2Ping/L2Trace Route.
- Select the L2Traceroute/TraceTree tab.
- Select Refresh to update the results.
- To view the traceroute results, highlight an entry, and then select Result.
L2 Traceroute/Tracetree Result Field Descriptions
Use the data in the following table to use the L2 Traceroute/Tracetree Result tab.
|
Name |
Description |
|---|---|
|
VlanId |
A value that uniquely identifies the Backbone VLAN (B-VLAN). |
|
SeqNumber |
The transaction identifier/sequence number returned by a previous transmit linktrace message command, indicating which L2Trace's response of the L2Trace is going to be returned. The default is 0. |
|
Hop |
The number of hops away from L2Trace initiator. |
|
ReceiveOrder |
An index to distinguish among multiple L2Trace responses with the same Transaction Identifier field value. This value is assigned sequentially from 1, in the order that the Linktrace Initiator received the responses. |
|
Ttl |
Time-to-Live (TTL) field value for a returned L2Trace response. |
|
SrcMac |
MAC address of the MP that responds to the L2Trace request for this L2TraceReply. |
|
HostName |
The host name of the replying node. |
|
LastSrcMac |
The MAC address of the node that forwarded the L2Trace to the responding node. |
|
LastHostName |
The host name of the node that forwarded the L2Trace to the responding node. |