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CLI-based Configuration Guide - IP Unicast Routing

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R009

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In practical application, in order to realize that business forwarding is not affected by motherboard failure, it is usually possible to configure BGP GR in the hardware environment of dual motherboard to make sense.

All the models support the GR Helper, and only AR3200 series support the GR Restarter.

In Figure 5-29, RouterA, RouterB, RouterC, and RouterD run OSPF for interworking, and RouterA and RouterB are enabled with GR. When RouterA restarts, RouterB helps RouterA perform GR, without notifying other neighbors of RouterA. OSPF GR ensures non-interrupted network traffic.

Figure 5-29 OSPF GR

Updated: 2019-12-27

Document ID: EDOC1000174069

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