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# Monitoring L2VPN Interfaces for VPWS

Purpose

Display configuration and status information for interfaces on the router that are that are configured to be members of VPWS L2VPNs in the current VR. You can display information for a specific L2VPN interface, for all L2VPN interfaces in the specified VPWS instance, or for all L2VPN interfaces in all VPWS instances. The detail keyword displays detailed information about the specified L2VPN interface or all L2VPN interfaces.

Action

To display L2VPN interface information for a particular VPWS instance:

    host1#show l2vpn interface instance l2vpn1
    MPLS shim interface ATM2/0.100
      ATM circuit type is AAL5
      Member of L2VPN instance l2vpn1
      Local site ID is 1
      Remote site ID is 2
      Control word is preferred by default
      Do send sequence numbers by default
      Relay format is atm-aal5-sdu-vcc by default
      Administrative state is enabled
      Operational state is up
      Operational MTU is 9180
      MPLS shim interface UID is 0x2d000007
      Lower interface UID is 0x0b000005
      Condensed location is 0x00020000
      Received:
        3 packets
        204 bytes
        19 errors
        0 discards
      Sent:
        0 packets
        0 bytes
        0 errors
        0 discards
      queue 0: traffic class best-effort, bound to atm-vc ATM2/0.100
        Queue length 0 bytes
        Forwarded packets 0, bytes 0
        Dropped committed packets 0, bytes 0
        Dropped conformed packets 0, bytes 0
        Dropped exceeded packets 0, bytes 0

Meaning

Table 108 lists the show l2vpn interface command output fields.

Table 108: show l2vpn interface Output Fields

Field Name | Field Description
--- | ---
MPLS shim interface | Type and specifier for MPLS shim interface
ATM circuit type | Type of ATM circuit
Member of L2VPN instance | Name of the VPWS instance to which the interface belongs
Local site ID | Local customer site ID configured on the interface
Remote site ID | Remote customer site ID configured on the interface
Control word | Local preference for the control word, preferred or not preferred
send sequence numbers | Local preference for sequence numbers, send or don’t send
Relay format | Type of signaling and encapsulation used by the router for layer 2 traffic
Administrative state | Administrative state of the interface, enabled or disabled
Operational state | Operational state of the interface, up or down
Operational MTU | Maximum allowable size in bytes of the maximum transmission unit for the interface
MPLS shim interface UID | UID automatically assigned to the MPLS shim interface when it is created
Lower interface UID | UID automatically assigned to the MPLS major interface when it is created
Condensed location | Internal, platform-dependent, 32-bit representation of the interface location, used by Juniper Networks Customer support for troubleshooting.
Received | Number of packets, bytes, errors and discards received on the interface
Sent | Number of packets, bytes, errors and discards sent from the interface
queue | Number of messages queued to be sent on the interface
traffic-class | Type of traffic class configured for traffic on the interface
bound to | ATM virtual circuit to which the interface is bound
Queue length | Length of all messages queued to be sent to on this connection, in bytes
Forwarded | Number of packets and bytes that have been forwarded
Dropped committed | Number of committed packets and bytes that have been dropped
Dropped conformed packets | Number of conformed packets and bytes that have been dropped
Dropped exceeded | Number of exceeded packets and bytes that have been dropped

#### Related Topics

- show l2vpn interface

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