Configure Virtual Links - Dell Force10 S4810P Configuration Manual

High-density, 1ru 48-port 10gbe switch

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Command Example: show run ospf

Figure 34-17.

FTOS#show run ospf

router ospf 1

graceful-restart grace-period 300

graceful-restart role helper-only

graceful-restart mode unplanned-only

graceful-restart helper-reject 10.1.1.1

graceful-restart helper-reject 20.1.1.1

network 10.0.2.0/24 area 0

Use the following command to disable OSPFv2 graceful-restart after you have enabled it.

Command Syntax

no graceful-restart grace-period

For more information on OSPF graceful restart, refer to the FTOS Command Line Interface Reference

Configure virtual links

Areas within OSPF must be connected to the backbone area (Area ID 0.0.0.0). If an OSPF area does not

have a direct connection to the backbone, at least one virtual link is required. Virtual links must be

configured on an ABR connected to the backbone.

hello-interval: help packet

retransmit-interval: LSA retransmit interval

transmit-delay: LSA transmission delay

dead-interval: dead router detection time

authentication-key: authentication key

message-digest-key: MD5 authentication key

Command Mode

CONFIG-ROUTER-

Disable OSPFv2 graceful-restart. Returns OSPF

graceful-restart to its default state.

Open Shortest Path First (OSPFv2 and OSPFv3) | 749