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LDP Configuration
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remoteip: the IP address of the Remote-peer. It should be the ID of the peer LSR.
Configuring session
parameters
Configuring session hold-time
The LDP entity on the interface sends Hello packets periodically to find out LDP
peer, and the established sessions must also maintain their existence by periodic
message (if there is no LDP message, then Keepalive message must be sent).
peer, and the established sessions must also maintain their existence by periodic
message (if there is no LDP message, then Keepalive message must be sent).
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There are two types of LDP sessions: Basic and Remote. Basic session can be
established only on two direct-connect switches, while Remote session can be on
two switches which are not directly connected. You can only configure Basic
sessions in VLAN interface view and Remote sessions in remote-peer view.
established only on two direct-connect switches, while Remote session can be on
two switches which are not directly connected. You can only configure Basic
sessions in VLAN interface view and Remote sessions in remote-peer view.
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CAUTION: Modifying the holdtime parameter results in re-establish the original
session, as well as the LSP over this session. Here the session refers to Basic
session, but not Remote session.
session, as well as the LSP over this session. Here the session refers to Basic
session, but not Remote session.
Configure Basic session hold-time in VLAN interface view.
By default, the session-holdtime is 60 seconds and hello-holdtime is 15 seconds.
Configure Remote session hold-time in Remote-peer view.
By default, targeted-session-hold holdtime is 60 seconds, and the interval is 24
seconds; targeted-hello holdtime is 45 seconds and the interval is 13 seconds.
seconds; targeted-hello holdtime is 45 seconds and the interval is 13 seconds.
Configuring Hello transport-address
The transport-address discussed here refers to the address carried in the transport
address TLV in Hello messages. Generally, you can configure the transport-address
to the MPLS LSR ID of the current LSR, but you can also configure the
transport-address to other address flexibly as required by some applications.
address TLV in Hello messages. Generally, you can configure the transport-address
to the MPLS LSR ID of the current LSR, but you can also configure the
transport-address to other address flexibly as required by some applications.
Perform the following configuration in VLAN interface view.
Table 507 Configure Basic session hold-time
Operation
Command
Configure session hold-time
mpls ldp timer { session-hold
session-holdtime | hello hello-holdtime }
session-holdtime | hello hello-holdtime }
Return to the default value
undo mpls ldp timer { session-hold | hello }
Table 508 Configure Remote session hold-time
Operation
Command
Configure session hold-time
mpls ldp timer { targeted-session-hold | targeted-hello }
{holdtime | interval } }
{holdtime | interval } }
Return to the default value
undo mpls ldp timer { targeted-session-hold |
targeted-hello }
targeted-hello }
Table 509 Configure Hello transport-address
Operation
Command
Configure Hello transport-address
mpls ldp transport-ip { interface |
ip-address }
ip-address }