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DES-7200 Configuration Guide Chapter 1 MPLS Configuration
1-20
DES-7200(config-mpls-router)#
targeted-session holdtime seconds
In the LDP mode, set the hold time of Keepalive
packets for the session set up in the extended
discovery mechanism.
DES-7200(config-mpls-router)# no
targeted-session holdtime
Restore the default hold time of Keepalive
packets for the session set up in the extended
discovery mechanism.
Configuring the Maximum Number of Repeated Label Requests
When an LDP device requests labels, it waits for a period of time to start another attempt if no
label is detected due to various reasons. The default number of repeated requests is indefinite.
You can freely set the value that ranges from 0 to 255 in the interface mode.
Command Function
DES-7200(config-mpls-router)# mpls
ldp max-label-requests times
Set the maximum number of repeated LDP label
requests.
DES-7200(config-mpls-router)# no
mpls ldp max-label-requests
Restore the default number of repeated LDP
label requests.
Configuring the Maximum PDU
The messages exchanged between LDP devices are all contained in PDUs. You can freely set
the value of the PDU that ranges from 256 to 4096 in the interface mode. The default PDU value
is 4096.
Command Function
DES-7200(config-mpls-router)# mpls
ldp max-pdu max-pdu
Set the maximum PDU.
DES-7200(config-mpls-router)# no
mpls ldp max-pdu
Restore the default PDU (4096).
Configuring the Extended LDP Discovery Mechanism
The basic discovery mechanism is used to detect the local LDP peers. That is, set up a local
LDP session with the directly connected LSR. The extended discovery mechanism is used to
detect the remote LDP peers. That is, set up a remote LDP session with the non-directly
connected LSR.