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Monitoring MPLS LSP Statistics

To display accounting information about LSPs, select Monitor>MPLS>LSP Statistics, or enter the following CLI command:

show mpls lsp statistics

Note: Statistics are not available for LSPs on the outbound device, because the penultimate device in the LSP sets the label to 0. Also, as the packet arrives at the outbound device, the hardware removes its MPLS header and the packet reverts to being an IPv4 packet. Therefore, it is counted as an IPv4 packet, not an MPLS packet.

Table 56 summarizes key output fields in the MPLS LSP statistics display.

Table 56: Summary of Key MPLS LSP Statistics Output Fields

Field

Values

Additional Information

Ingress LSP

Information about LSPs on the inbound device. Each session has one line of output.

 

Egress LSP

Information about the LSPs on the outbound device. Each session has one line of output.

MPLS learns this information by querying RSVP, which holds all the transit and outbound session information.

Transit LSP

Number of LSPs on the transit routers and the state of these paths.

MPLS learns this information by querying RSVP, which holds all the transit and outbound session information.

To

Destination (outbound device) of the session.

 

From

Source (inbound device) of the session.

 

State

State of the path: Up, Down, or AdminDn.

AdminDn indicates that the LSP is being taken down gracefully.

Packets

Total number of packets received on the LSP from the upstream neighbor.

 

Bytes

Total number of bytes received on the LSP from the upstream neighbor.

 

LSPname

Configured name of the LSP.

 

Total

Total number of LSPs displayed for the particular type—ingress (inbound), egress (outbound), or transit.

 

For more information about the J-Web Monitor task, see Monitor Tasks.


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