show ldp session
Syntax
Release Information
Command introduced before JUNOS Release 7.4.
Description
Display information about Label Distribution Protocol (LDP) sessions.
Options
- none
Display standard information about all LDP sessions for all routing instances.
- brief | detail | extensive
(Optional) Display the specified level of output.
- destination
(Optional) Restrict LDP session display to the specified address.
- instance instance-name
(Optional) Display routing instance information for the specified instance. If instance-name is omitted, information is displayed for the master instance.
- 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
List of Sample Output
show ldp session extensiveOutput Fields
Table 157 describes the output fields for the show ldp session command. Output fields are listed in the approximate order in which they appear.
Table 157: show ldp session Output Fields
Field Name | Field Description | Level of Output |
|---|---|---|
Address | Transport address of the session. | to be provided |
State | State of the session: Nonexistent, Connecting, Initialized, OpenRec, OpenSent, Operational, or Closing. The states correspond to the state diagram specified in Internet Draft LDP Specification draft-ietf-mpls-rfc3036bis-01.txt. | to be provided |
Connection | TCP connection state: Closed, Opening, or Open. | to be provided |
Hold time | Time remaining until the session will be closed, in seconds. | to be provided |
Session ID | LDP identifiers of the peers of this session. | to be provided |
Next keepalive | Time until next keepalive is sent, in seconds. | detail extensive |
Active | Whether the local router is playing the active role in the session and during session establishment. | detail extensive |
Maximum PDU | Maximum PDU size for the session. | detail extensive |
Hold time | Time remaining until the session will be closed, in seconds. This value corresponds to the one configured using the keepalive-timeout statement configured at the [edit protocols ldp] hierarchy level. | detail extensive |
Neighbor count | Number of neighbors that are contributing to the session. | detail extensive |
Keepalive interval | Keepalive interval, in seconds. | detail extensive |
Connect retry interval | TCP connection retry interval, in seconds. | detail extensive |
Local address | Local transport address. | detail extensive |
Remote address | Remote transport address. | detail extensive |
Up for | Time that this session has been up. | detail extensive |
Last down | Time since the session last went down. | detail extensive |
Reason | Reason the session went down:
| detail extensive |
Number of session flaps | Number of times the session changes from up to down. | detail extensive |
Restarting | LDP is in the process of gracefully restarting. | detail extensive |
restart complete in nnn msec | Amount of time (in milliseconds) remaining until graceful restart is declared complete. | detail extensive |
Local | Information about graceful restart for the local end of an LDP session. Graceful restart and helper mode are independent.
| detail extensive |
Remote | Information about graceful restart at the remote end of an LDP session. Graceful restart and helper mode are independent.
| detail extensive |
Local maximum recovery time | Amount of time during which the restarting node attempts to recover its lost states with help from its neighbors (in milliseconds). | detail extensive |
Next-hop addresses received | Next-hop addresses received on the session. | detail extensive |
Queue depth | Number of messages that are queued for sending to the peers in the group. | extensive |
Message type | Type of message being sent.
| extensive |
Sample Output
show ldp session extensive
user@host> show ldp session extensive Address: 10.255.70.103, State: Operational, Connection: Open, Hold time: 20
Session ID: 10.255.71.52:0--10.255.70.103:0
Next keepalive in 0 seconds
Active, Maximum PDU: 4096, Hold time: 30, Neighbor count: 1
Keepalive interval: 10, Connect retry interval: 1
Local address: 10.255.71.52, Remote address: 10.255.70.103
Up for 00:01:40
Last down 00:01:41 ago; Reason: received notification from peer
Number of session flaps: 3
Local - Restart: disabled, Helper mode: enabled
Remote - Restart: disabled, Helper mode: enabled
Local maximum recovery time: 240000 msec
Next-hop addresses received:
so-2/0/0.0
11.2.3.1
11.2.4.1
11.2.5.1
11.1.2.2
192.168.70.103
10.255.70.103
Queue depth: 0
Message type Total Last 5 seconds
Sent Received Sent Received
Initialization 4 4 0 0
Keepalive 114 114 0 0
Notification 0 3 0 0
Address 4 4 0 0
Address withdraw 0 0 0 0
Label mapping 8 8 0 0
Label request 0 0 0 0
Label withdraw 0 0 0 0
Label release 0 0 0 0
Label abort 0 0 0 0
