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: Filters command output by specifying a regular expression. For more information about regular
expressions, see the
Fundamentals Configuration Guide
.
•
begin
: Displays the first line that matches the specified regular expression and all lines that follow.
•
exclude
: Displays all lines that do not match the specified regular expression.
•
include
: Displays all lines that match the specified regular expression.
•
regular-expression
: Specifies a regular expression, which is a case-sensitive string of 1 to 80
characters.
Examples
# Display all information about LDP in detail.
<Sysname> display mpls ldp all verbose
LDP Global Information
---------------------------------------------------------------
Protocol Version : V1 Neighbor Liveness : 60 Sec
Graceful Restart : Off FT Reconnect Timer : 60 Sec
MTU Signaling : Off Recovery Timer : 60 Sec
LDP Instance Information
---------------------------------------------------------------
Instance ID : 0 VPN-Instance :
Instance Status : Active LSR ID : 1.1.1.1
Hop Count Limit : 32 Path Vector Limit : 32
Loop Detection : Off
DU Re-advertise Timer : 30 Sec DU Re-advertise Flag : On
DU Explicit Request : Off Request Retry Flag : On
Label Distribution Mode: Ordered Label Retention Mode : Liberal
-----------------------------------------------------------------
Table 22
Command output
Field Description
Protocol Version
Version of the LDP protocol.
Neighbor Liveness
Setting of the GR neighbor liveness timer.
Graceful Restart
Whether GR is enabled.
FT Reconnect Timer
Setting of the GR’s FT reconnect timer.
MTU Signaling
Whether MTU signaling is supported. The device
does not support MTU signaling.
Recovery Timer
Setting of the GR’s recovery timer.
Instance ID
Sequence number of the LDP instance.
VPN-Instance
Name of the LDP-enabled VPN instance. For the
default instance, nothing is displayed.
Hop Count Limit
Maximum hop count for loop detection.
Path Vector Limit
Maximum path vector length.
Loop Detection
Whether loop detection is enabled.
DU Re-advertise Timer
Label re-advertisement interval for DU mode.