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Configuring OSPF GR
Applicable Environment
To avoid traffic interruption and route flapping caused by master/slave switchovers, configure OSPF GR.
After an OSPF process is restarted through GR, the Restarter and the Helper reestablish a neighbor relationship, exchange routing information, synchronize their LSDBs, and update their routing tables and forwarding tables. These operations ensure fast OSPF convergence and network topology stability.
NOTE: Where possible, to prevent service forwarding from being affected by faults on a main control board, configure OSPF GR when dual main control boards are deployed.
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