Brocade Multi-Service IronWare Multiprotocol Label Switch (MPLS) Configuration Guide (Supporting R05.6.00) - Manual (Page 372)

348 Multi-Service IronWare Multiprotocol Label Switch (MPLS) Configuration Guide
53-1003031-02
Setting the LDP Hello Interval and Hold Timeout values
2
The LDP Hold Time sent in Hello messages to adjacent LSRs can be configured globally for either
Link or Targeted LDP sessions, as described in the following sections:
• Setting the LDP Hello Hold Time Sent to Adjacent LSRs for Link LDP Sessions
• Setting the LDP Hello Hold Time Sent to Adjacent LSRs for Targeted LDP Sessions
Setting the LDP Hello hold time sent to adjacent LSRs for link LDP sessions
To set the hold time included in LDP Link Hello messages to 20 seconds, enter the hello-timeout
command.
Brocade(config-mpls)# ldp
Brocade(config-mpls-ldp)# hello-timeout 20
Syntax: [no] hello-timeout seconds
The seconds variable specifies the value in seconds of the LDP hello timeout that is sent in Hello
messages to Link LDP peers. The range for this value is 1 – 65535 seconds. The default value is
15 seconds.
When the user globally sets a LDP hold time, the new time takes effect immediately and goes in the
next Hello message sent. This hold time applies to only the hold time that the device sends to its
peers; it does not affect the hold time the device uses to time out those peers. The latter is
determined from the hold time that peers send to the device.
The [no] option removes a previously configured LDP Hello Timeout value and returns the value to
the default.
Setting the LDP Hello hold time sent to adjacent LSRs for Targeted LDP sessions
To set the hold time included in LDP Targeted Hello messages to 60 seconds, enter the following
command.
Brocade(config-mpls)# ldp
Brocade(config-mpls-ldp)# hello-timeout target 60
Syntax: [no] hello-timeout target seconds
The seconds variable specifies the value in seconds of the LDP hello timeout that is sent in Hello
messages to Targeted LDP peers. The LDP hold time can be from 1 – 65535 seconds. The default
value is 45 seconds.
The [no] option removes the previous LDP Hello Timeout Target value and returns the value to the
default.
Determining the LDP Hold Time on an MPLS interface
An MPLS interface uses the LDP Hello Hold Time to determine how long it waits for its LDP peers to
send a Hello message. How this determination is made differs for a targeted LDP session and a link
LDP session, as follows: