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DES-7200 Configuration Guide Chapter 6 BGP
Configuration
6-62
Confiugration precaution:
Before configuration, make sure that R2 can serve as the GR Restarter for
graceful restart and the software on all devices support OSPF GR and BRP GR
capability. If the software does not support OSPF GR and BGP GR, continuous
data forwarding is not available when the backup engine takes over the works of
the master engine in case of failure. Meanwhile, the enablement of BGP protocol
depends on the BGP connection from OSPF. Hence, the BGP protocol and the
OSPF protocol should enable GR simultaneously. This is why R2 is required to
support OSPF GR.
Whether R2 enables dual-eningle redundnat hot backup
The software of all devices support OSPF GR and BGP GR capability
Enable OSPF GR on R2
Enable BGP GR on R2
Enable BGP GR on neighbors to support the GR Helper of BGP
Restart all BGP connections on R2 to neotitate GR capabitliy
Configuration steps
1，Make sure whether R2 enables dual-eningle redundnat hot backup
2，Make sure the software of all devices support OSPF GR and BGP GR
capability