Configuring Ldp Gr; Configuring Ldp Nsr; Configuring Ldp-Igp Synchronization; Configuring Ldp-Ospf Synchronization - HP FlexNetwork 10500 Series Configuration Manual

Configuring LDP GR

Before you configure LDP GR, enable LDP on the GR restarter and GR helpers.
The LDP GR configuration is required only on a GR restarter. Because the role (GR restarter or
helper) of a device in a GR process is unpredictable, configure LDP GR on all involved devices as a
best practice.
To configure LDP GR:
Step
1. Enter system view.
2. Enter LDP view.
3. Enable LDP GR.
4. Set the Reconnect timer for
LDP GR.
5. Set the MPLS Forwarding
State Holding timer for LDP
GR.

Configuring LDP NSR

Step
1. Enter system view.
2. Enter LDP view.
3. Enable LDP NSR.

Configuring LDP-IGP synchronization

After you enable LDP-IGP synchronization for an OSPF process, OSPF area, or an IS-IS process,
LDP-IGP synchronization is enabled on the OSPF process interfaces or the IS-IS process interfaces.
You can execute the mpls ldp igp sync disable command to disable LDP-IGP synchronization on
interfaces where LDP-IGP synchronization is not required.
LDP-IGP synchronization protection is only applicable to an IPv4 network.

Configuring LDP-OSPF synchronization

LDP-IGP synchronization is not supported for an OSPF process and its OSPF areas if the OSPF
process belongs to a VPN instance.
To configure LDP-OSPF synchronization for an OSPF process:
Step
1. Enter system view.
2. Enter OSPF view.
Command
system-view
mpls ldp
graceful-restart
graceful-restart timer reconnect
reconnect-time
graceful-restart timer
forwarding-hold hold-time
Command
system-view
mpls ldp
non-stop-routing
Command
system-view
ospf [ process-id | router-id
router-id ] *
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Remarks
N/A
N/A
By default, LDP GR is
disabled.
By default, the Reconnect time
is 120 seconds.
By default, the MPLS
Forwarding State Holding time
is 180 seconds.
Remarks
N/A
N/A
By default, LDP NSR is disabled.
Remarks
N/A
N/A