View Layer 2 IP Traceroute Results

About this task

Use this procedure to view Layer 2 IP traceroute results.

Procedure

  1. In the navigation pane, expand Configuration > Serviceability > Diagnostics.
  2. Select L2Ping/L2Trace Route.
  3. Select the L2 IP Traceroute tab.
  4. To view the Layer 2 IP traceroute results, highlight an entry, and then select Result.

L2 IP Traceroute Result Field Descriptions

Use the data in the following table to use the L2 IP Traceoute Result tab.

Name

Description

IpAddrType

Specifies the address type of destination IP address.

IpAddr

Specifies the destination IP address.

SendOrder

Denotes the order that sessions are sent. It is an index to distinguish among multiple L2Trace sessions. It correlates to the number of paths found. This value is assigned sequentially from 1.

Hop

Specifies the number of Layer 2 hops away from L2Trace initiator.

ReceiveOrder

Specifies the order that sessions are sent. It is an index to distinguish among multiple L2Trace responses with the same Send Transaction Identifier field value. This value is assigned sequentially from 1, in the order that the Linktrace Initiator received the responses.

Ttl

Specifies the time-to-live (TTL) field value for a returned L2Trace response.

VrfId

Specifies the VRF ID.

VlanId

Specifies the VLAN found from Layer 3 lookup and used for transmission.

DestMacAddress

Indicates the target MAC address transmitted.

PortNum

Specifies either the value '0', or the port number of the port used for the l2trace.

SeqNumber

Specifies the transaction identifier/sequence number used in linktrace message packet. The default is 0.

SrcMac

Specifies the MAC address of the MP that responded to L2Trace request for this L2traceReply.

HostName

Specifies the host name of the replying node.

LastSrcMac

Specifies the MAC address of the node that forwarded the L2Trace to the responding node.

LastHostName

Specifies the host name of the node that forwarded the L2Trace to the responding node.

Flag

L2Trace result flag indicating status or error code:

  • none (1): No error

  • internalError (2): L2Trace internal error

  • invalidMac (3): Invalid MAC address

  • mepDisabled (4): MEP must be enabled in order to perform L2Trace

  • noL2TraceResponse (5): No L2Trace response received

  • l2TraceToOwnMepMac (6): L2Trace to own MEP MAC is not sent

  • l2TraceComplete (7): L2Trace completed

  • l2TraceLookupFailure (8): Lookup failure for L2Trace
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