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    Monitoring MPLS Interfaces

    Purpose

    Display status and configuration information about MPLS interfaces.

    Action

    To display information about all MPLS interfaces:

    host1:pe1#show mpls interface
    MPLS major interface ATM2/0.10
      ATM circuit type is 1483 LLC encapsulation
      Administrative state is enabled
      Operational state is up
      Operational MTU is 9180
      Received:
        0 packets
        0 bytes
        0 errors
        0 discards
        0 failed label lookups
      Sent:
        0 packets
        0 bytes
        0 errors
        0 discards
    LDP information:
        10.1.1.2/24
        enabled with profile 'default'
         0 hello recv, 1 hello sent, 0 hello rej
         0 adj setup, 0 adj deleted,
      RSVP
        Enabled with profile default
        Authentication is disabled
        Authentication key: <none>
        Hellos are on with an interval of 10000 and miss limit of 4
        Hello settings are not inherited
    MPLS minor interface pe1-to-pe2 (transmit)
      Stacked on MPLS major ATM2/0.10
      Operational state is up
      Sent:   
        0 packets
        0 bytes
      queue 0: traffic class best-effort, bound to atm-vc ATM2/0.10
        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
    MPLS minor interface lsp-02020202-1-4 (receive)
      Stacked on MPLS major ATM2/0.10
      Operational state is up
      Statistics not enabled for this interface
    • The following excerpt shows the output for MPLS interface atm 5/1.1 when RSVP-TE is enabled and RSVP-TE authentication is enabled:
      host1:pe2#show mpls interface atm 5/1.1
      Interface ATM5/1.1 Up
       RSVP enabled with profile default
         Authentication: enabled
         Authentication Key: <a password has been configured>
       LDP not configured
       IP interfaces on this MPLS interface:
          192.168.100.21/30
      MPLS Statistics:
        Rcvd: 0 failed lbl lookup, 0 octets, 0 hcOctets
              0 pkts, 0 hcPkts, 0 errors, 0 discards
        Sent: 0 octets, 0 hcOctets, 0 pkts
              0 hcPkts, 0 errors, 0 discards
      ...

    To display information about MPLS interface atm 2/0.60:

    host1:pe2#show mpls interface atm 2/0.60
    Interface atm2/0.60 Up
     RSVP not configured
     LDP enabled with profile default
     IP interfaces on this MPLS interface:
        60.60.60.1/16  Session to 4.4.4.4 is operational (active)
    Session statistics:
              12 label alloc, 12 label learned,
              12 accum label alloc, 12 accum label learned,
              last restart time = 00:04:44
              Rcvd: 0 notf, 29 msg, 12 mapping, 0 request
                    0 abort, 0 release, 0 withdraw, 1 addr
                    0 addr withdraw, 29 msgId
                    0 bad mapping, 0 bad request, 0 bad abort, 0 bad release
                    0 bad withdraw, 0 bad addr, 0 bad addr withdraw
                    0 unknown msg type err
                    last info err code = 0x00000000, 0 loop detected
              Sent: 0 notf, 29 msg, 12 mapping, 0 request
                    0 abort, 0 release, 0 withdraw, 1 addr
                    0 addr withdraw, 29 msgId
            Adjacency statistics:
              58 hello recv, 57 hello sent, 0 bad hello recv
              adj setup time = 00:04:44
              last hello recv time = 00:00:05, last hello sent time = 00:00:05
    MPLS Statistics:
       Rcvd: 0 failed lbl lookup, 0 octets, 0 hcOctets
             0 pkts, 0 hcPkts, 0 errors, 0 discards
       Sent: 0 octets, 0 hcOctets, 0 pkts
             0 hcPkts, 0 errors, 0 discards
       1 adjacency, 1 session, 3 accum adjacency, 3 accum session
       14058 hello recv, 14063 hello sent, 0 hello rej
       3 adj setup, 2 adj deleted

    The following excerpt shows LDP and RSVP-TE information for MPLS interface atm 6/1.1:

    host1:vr2#show mpls interface atm 6/1.1
    ...
    MPLS major interface ATM6/1.1
      ATM circuit type is 1483 LLC encapsulation
      Administrative state is enabled
      Operational state is up
      Operational MTU is 9180
      Received:
        0 packets
        0 bytes
        0 errors
        0 discards
        0 failed label lookups
      Sent:
        0 packets
        0 bytes
        0 errors
        0 discards
    LDP information:
        10.1.1.1/24
        enabled with profile 'default'
         0 hello recv, 2 hello sent, 0 hello rej
         0 adj setup, 0 adj deleted,
      RSVP
        Enabled with profile default
        Authentication is disabled
        Authentication key: <none>
        Hellos are on with an interval of 10000 and miss limit of 4
        Hello settings are not inherited

    To display detailed information about MPLS interfaces:

    host1:pe1#show mpls interface detail
    MPLS major interface ATM2/0.10
      ATM circuit type is 1483 LLC encapsulation
      Administrative state is enabled
      Operational state is up
      Operational MTU is 9180
      MPLS major interface UID is 0x19000001
      Lower interface UID is 0x0b000031
      Uses platform label space
      Peer IPv4 interface is ATM2/0.10 (UID 0x000000be)
      No peer IPv6 interface
      Upper IPv4 interface is ip19000001.mpls.ip (UID 0x000000bf, FEC index 0x0000003f)
      No upper IPv4 VPN interface
      No upper IPv6 interface
      No upper IPv6 VPN interface
      Condensed location is 0x00020000
      Received:
        0 packets
        0 bytes
        0 errors
        0 discards
        0 failed label lookups
      Sent:
        0 packets
        0 bytes
        0 errors
        0 discards
      RSVP
        Enabled with profile default
        Authentication is disabled
        Authentication key: <none>
    MPLS minor interface pe1-to-pe2 (transmit)
      Stacked on MPLS major ATM2/0.10
      Operational state is up
      MPLS minor interface UID is 0x1a000001
      Lower MPLS major interface UID is 0x19000001
      Sent:
        0 packets
        0 bytes
      queue 0: traffic class best-effort, bound to atm-vc ATM2/0.10
        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
    MPLS minor interface lsp-02020202-1-4 (receive)
      Stacked on MPLS major ATM2/0.10
      Operational state is up
      MPLS minor interface UID is 0x1a000004
      Lower MPLS major interface UID is 0x19000001
      Statistics not enabled for this interface

    The following excerpt shows detailed RSVP-TE information for the MPLS interface:

    host1:vr2#show mpls interface detail
    MPLS major interface fastEthernet6/0
    RSVP
        Enabled with profile default
        Authentication is disabled
        Authentication key: <none>
        Hellos are enabled
        Hellos interval is 10000 milliseconds
        Hellos miss limit is 4
        Hello settings are not inherited

    To display summary information about MPLS interfaces:

    host1:pe1#show mpls interface brief
    
    MPLS major interfaces
                 Admin    Oper 
    Interface    state    state
    ---------   -------   -----
    ATM2/0.10   enabled   up   
    MPLS shim interfaces
                Remote-PE   Virtual     Load                   
                   or       Circuit   Balancing   Admin   Oper 
    Interface   LSP-name      ID        Group     state   state
    ---------   ---------   -------   ---------   -----   -----
    MPLS minor interfaces
                         Lower     Oper             
       Interface       MplsMajor   state   Direction
    ----------------   ---------   -----   ---------
    pe1-to-pe2         ATM2/0.10   up      transmit 
    lsp-02020202-1-4   ATM2/0.10   up      receive  
    ERX-01-0c-d7:pe1#

    Meaning

    Table 1 lists the show mpls interface command output fields.

    Table 1: show mpls interface Output Fields

    Field Name

    Field Description

    Interface

    Specifier and status of each interface

    RSVP

    Status of RSVP, configured or not, and profile used

    LDP

    Status of LDP, configured or not configured, and profile used

    IP interfaces on this MPLS interface

    IP address of IP interfaces and session status

    Condensed location

    Internal, platform-dependent, 32-bit representation of the interface location, used by Juniper Networks Customer support for troubleshooting.

    label alloc

    Number of labels allocated and advertised to this peer

    label learned

    Number of labels received from this peer

    accum label alloc

    Cumulative total number of labels allocated and advertised to this peer

    accum label learned

    Cumulative total number of labels received from this peer

    notf

    Number of notification messages received or received bad or sent

    mapping

    Number of label mapping messages received or received bad or sent

    msg

    Number of messages sent or received

    request

    Number of label request messages received or received bad or sent

    abort

    Number of label request abort messages for downstream on demand received or received bad or sent

    release

    Number of label release messages received or received bad or sent

    withdraw

    Number of label withdraw messages received or received bad or sent

    addr

    Number of address messages received or received bad or sent

    addr withdraw

    Number of address withdraw messages received or received bad or sent

    msgId

    Number of message IDs received or sent

    unknown message type err

    Number or unknown message type errors received

    last info error code

    Last received notification code

    loop detected

    Loop detected; for downstream on demand

    hello recv

    Number of hello messages received

    hello sent

    Number of hello messages sent

    bad hello recv

    Number of hello messages received bad

    adj setup time

    Time in hh:mm:ss since adjacency set up

    last hello recv time

    Time in hh:mm:ss since last hello message received

    last hello sent time

    Time in hh:mm:ss since last hello message sent

    failed lbl lookup

    Number of packets received whose labels are not recognized

    octets

    Number of octets received or sent

    hcoctets

    Number of high-capacity (64-bit) octets received or sent

    pkts

    Number of packets received or sent

    hcpkts

    Number of high-capacity (64-bit) packets received or sent

    errors

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

    discards

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

    adjacency

    Number of adjacencies currently established

    session

    Number of sessions currently established

    accum adjacency

    Cumulative total number of adjacencies established since interface is up

    accum session

    Cumulative total number of sessions established since interface is up

    hello recv

    Number of hello messages received

    hello sent

    Number of hello messages sent

    hello rej

    Number of hello messages rejected

    adj setup

    Number of adjacencies set up

    adj deleted

    Number of adjacencies deleted

     

    Related Documentation

     

    Published: 2014-08-18