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 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

Monitoring MPLS Interfaces

Purpose

Action

Meaning

Related Documentation