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

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 77 lists the show mpls interface command output fields.

Table 77: 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

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