Monitoring MPLS Tunnels

Purpose

Display status and configuration for all tunnels or for a specific tunnel in the current router context

Action

To display the configuration for all tunnels:

host12#show mpls tunnels
LSP vpnIngress-21 to   3.3.3.3
State:  Up
Out label is Variable Interface
102 pkts, 0 hcPkts, 13464 octets
0 hcOctets, 0 errors, 0 discardPkts
Labels:
16 17 18 19

Meaning

Table 101 lists the show mpls tunnels command output fields.

Table 101: show mpls tunnels Output Fields

Field Name

Field Description

State

Status of tunnel, up or down

Out Label

In the default case for a BGP/MPLS VPN, the Variable Interface, which indicates that a packet exiting the interface is going through a variable interface and that one of the labels listed further in the display will be prepended to the packet

pkts

Number of packets sent across tunnel

hcpkts

Number of high-capacity (64-bit) packets sent across tunnel

octets

Number of octets sent across tunnel

hcoctets

Number of high-capacity (64-bit) octets sent across tunnel

errors

Number of packets that are dropped for some reason before being sent

discardPkts

Number of packets that are discarded due to lack of buffer space before being sent

Labels

List of labels associated with the variable interface; one will be selected to be prepended to packets before being sent across tunnel

Related Documentation