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show ldp statistics

Syntax

show ldp statistics
<instance instance-name>
<logical-system (all | logical-system-name)>

Release Information

Command introduced before JUNOS Release 7.4.

Description

Display Label Distribution Protocol (LDP) statistics.

Options

none — Display LDP statistics for all routing instances on all logical systems.

instance instance-name — (Optional) Display information for the specified routing instance only.

logical-system (all | logical-system-name) — (Optional) Perform this operation on all logical systems or on a particular logical system.

Required Privilege Level

view

Related Topics

clear ldp statistics

List of Sample Output

show ldp statistics

Output Fields

Table 139 lists the output fields for the show ldp statistics command. Output fields are listed in the approximate order in which they appear.

Table 139: show ldp statistics Output Fields

Field Name

Field Description

Total Sent, Received

Total number of each message type sent and received.

Last 5 seconds Sent, Received

Number of each message type sent and received in the last 5 seconds.

Message type

LDP message types:

  • Hello—Messages that enable LDP nodes to discover one another and to detect the failure of a neighbor or of the link to the neighbor.
  • Initialization—Messages that indicate an LDP session has started.
  • Keepalive—Messages that ensure that the keepalive timeout is not exceeded.
  • Notification—Advisory information and signal error information.
  • Address—Messages with address information.
  • Address withdrawal—Messages regarding address withdrawal.
  • Label mapping—Messages with label mapping information.
  • Label request—Request for a label mapping from a neighboring router.
  • Label withdrawal—Withdrawal message sent by the downstream LSR to recall a label that it previously mapped. If an LSR that has received a label mapping subsequently determines that it no longer needs that label, it can send a label release message that frees the label for use.
  • Label release—Message sent by the downstream LSR to recall a label that it previously mapped. If an LSR that has received a label mapping subsequently determines that it no longer needs that label, it can send a label release message that frees the label for use.
  • Label abort—Messages about label interruptions.
  • All UDP—All hello messages sent by LSRs to the well-known UDP port, 646.
  • All TCP—All LDP session messages.

Event type

LDP events and errors.

Total

Total number of each event or error.

Last 5 seconds

Number of each event or error in the last 5 seconds.

Sample Output

show ldp statistics

user@host> show ldp statistics 
Message type               Total                     Last 5 seconds
                       Sent      Received          Sent      Received
Hello                   265           263             2             2
Initialization            2             2             0             0
Keepalive               112           111             1             0
Notification              0             0             0             0
Address                   2             2             0             0
Address withdraw          0             0             0             0
Label mapping             7             6             0             0
Label request             0             0             0             0
Label withdraw            2             0             0             0
Label release             0             2             0             0
Label abort               0             0             0             0
All UDP                 265           263             2             2
All TCP                 123           121             1             0

Event type                             Total        Last 5 seconds

Sessions opened                            2                  0
Sessions closed                            0                  0
Topology changes                          11                  0

No interface                               0                  0
No session                                 0                  0
No adjacency                               0                  0
Unknown version                            0                  0
Malformed PDU                              0                  0
Malformed message                          0                  0
Unknown message type                       0                  0
Inappropriate message                      0                  0
Malformed TLV                              0                  0
Bad TLV value                              0                  0
Missing TLV                                0                  0
PDU too large                              0                  0
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