Configuring ospfv3 gr, Network requirements – H3C Technologies H3C S12500 Series Switches User Manual

Page 348

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Routing Table :

Destinations : 8 Routes : 8

Destination: ::1/128 Protocol : Direct

NextHop : ::1 Preference: 0

Interface : InLoop0 Cost : 0

Destination: 1::/64 Protocol : OSPFv3

NextHop : FE80::200:CFF:FE01:1C03 Preference: 150

Interface : Vlan300 Cost : 3

Destination: 2::/64 Protocol : OSPFv3

NextHop : FE80::200:CFF:FE01:1C03 Preference: 150

Interface : Vlan300 Cost : 3

Destination: 3::/64 Protocol : Direct

NextHop : 3::2 Preference: 0

Interface : Vlan300 Cost : 0

Destination: 3::2/128 Protocol : Direct

NextHop : ::1 Preference: 0

Interface : InLoop0 Cost : 0

Destination: 4::/64 Protocol : Direct

NextHop : 4::1 Preference: 0

Interface : Vlan400 Cost : 0

Destination: 4::1/128 Protocol : Direct

NextHop : ::1 Preference: 0

Interface : InLoop0 Cost : 0

Destination: FE80::/10 Protocol : Direct

NextHop : :: Preference: 0

Interface : NULL0 Cost : 0

Configuring OSPFv3 GR

Network requirements

As shown in

Figure 111

, Switch A, Switch B, and Switch C that belong to the same AS and the same

OSPFv3 routing domain are GR capable.
Switch A acts as the GR restarter. Switch B and Switch C are the GR helpers, and synchronize their LSDBs
with Switch A through out-of-band (OOB) communication of GR.

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