Technical Documentation

show ldp database

Syntax

show ldp database<brief | detail | extensive> <inet | l2circuit> <instance instance-name><logical-system (all | logical-system-name)><session session>

Release Information

Command introduced before Junos OS Release 7.4.

Description

Display entries in the Label Distribution Protocol (LDP) database.

Options

none: Display standard information about all entries in the LDP database for all routing instances.
brief | detail | extensive: (Optional) Display the specified level of output.
inet | l2circuit: (Optional) Display only IPv4 or Layer 2 circuit bindings.
instance instance-name: (Optional) Display routing instance information for the specified instance only.
logical-system (all | logical-system-name): (Optional) Perform this operation on all logical systems or on a particular logical system.
session session: (Optional) Display database for the specified session only. session is the destination address of the LDP session.

Required Privilege Level

view

List of Sample Output

show ldp database
show ldp database l2circuit detail
show ldp database session

Output Fields

Table 1 describes the output fields for the show ldp database command. Output fields are listed in the approximate order in which they appear.

Table 1: show ldp database Output Fields

Field Name	Field Description	Level of Output
Input label database	Label received from the other router.	All levels
Output label database	Label advertised to the other router.	All levels
session-identifier	Session identifier, which includes the local and remote label space identifiers.	All levels
Label	Label binding to a route prefix.	All levels
Prefix	Route prefix. It can be either the IP prefix or the Layer 2 encapsulation type in the format L2CKT control word status encapsulation-type vc-number, for example, L2CKT CtflWord FRAME RELAY VC 2 control-word-status—Displays whether the use of the control word has been negotiated for this virtual circuit: NoCtrlWord CtrlWord encapsulation-type—Encapsulation type: FRAME RELAY ATM AAL5 ATM CELL VLAN ETHERNET CISCO_HDLC PPP VC number—Virtual circuit number. It can have any numeric value. (Stale)—When you display the LDP database for the neighbor of a restarting router, the bindings leaned from the restarting neighbor are displayed as (Stale). Stale bindings are deleted if they are not refreshed within the recovery time.	All levels
MTU	MTU of the Layer 2 circuit. MTU is displayed for all encapsulation types except ATM cell encapsulations.	detail
TDM payload size	Size of the Time Division Multiplex (TDM) payload.	All levels
TDM bitrate	Bit rate for the TDM traffic.	All levels
Requested VLAN ID	(VLANs) VLAN identifier of the Layer 2 circuit.	detail
Cell bundle size	(ATM cell encapsulations) Maximum number of cells that the Layer 2 circuit can receive in a packet.	detail
State	State of the label binding: Active—Label binding has been installed and distributed appropriately. A label binding is almost always in this state. New—New label that has not yet been distributed. MapRcv—Waiting to receive a label mapping message. MapSend—Waiting to send a label mapping message. RelRcv—Waiting to receive a label release message. RelRsnd—Waiting to receive a label release message before resending label mapping message. RelSend—Waiting to send a label release message. ReqSend—Waiting to send a label request message. W/dSend—Waiting to send a label withdrawal message.	detail
Age	Time elapsed since the binding was created.	detail

Sample Output

show ldp database

user@host> show ldp database

Input label database, 10.255.245.222:0--10.255.245.221:0
  Label     Prefix
 3     10.255.245.221/32 (Stale)
100018     10.255.245.222/32
100011     L2CKT FRAME RELAY VC 11
Output label database, 10.255.245.222:0--10.255.245.221:0
  Label     Prefix
      3     10.255.245.221/32
 100018     10.255.245.222/32
 100011     L2CKT FRAME RELAY VC 1

show ldp database l2circuit detail

user@host> show ldp database l2circuit detail

 Input label database, 10.255.245.44:0--10.255.245.45:0
    Label     Prefix
   100176     L2CKT CtrlWord ATM CELL (VC Mode) VC 100
              Cell bundle size: 80
              State: Active
              Age: 9:48
   100256     L2CKT CtrlWord FRAME RELAY VC 101
              MTU: 4470
              State: Active
              Age: 9:48
 
 Output label database, 10.255.245.44:0--10.255.245.45:0
    Label     Prefix
   100048     L2CKT CtrlWord ATM CELL (VC Mode) VC 100
              Cell bundle size: 80
              State: Active
              Age: 9:48
   100112     L2CKT CtrlWord FRAME RELAY VC 101
              MTU: 4470
              State: Active
              Age: 9:48

show ldp database session

user@host> show ldp database session 10.1.1.195

Input label database, 10.0.0.194:0--10.1.1.195:0
  Label     Prefix
 100002     10.255.245.197/32
 100003     10.255.245.196/32
 100004     10.0.0.194/32
      3     10.1.1.195/32
 100000     L2CKT NoCtrlWord FRAME RELAY VC 1
 100001     L2CKT CtrlWord FRAME RELAY VC 2
Output label database, 10.0.0.194:0--10.1.1.195:0
  Label     Prefix
 100003     10.255.245.197/32
 100004     10.1.1.195/32
 100002     10.255.245.196/32
      3     10.0.0.194/32
 100000     L2CKT CtrlWord FRAME RELAY VC 2
 100001     L2CKT NoCtrlWord FRAME RELAY VC 1