[OSPF] OSPF GR query

[Khan Amir-G20247]

Hi I have query related to OSPF Graceful Restart.    Consider this scenario:   - Three Routers R1, R2 and R3 connected via Broadcast networks.     - Where R1 is a DR on both the segments, where as R2 and R3 are in DR-other - Now R1 wants to perform GR, R2 and R3 agrees to be its Helpers. - Now after restart R1 will try to form adjacency with both R2 and R3. - Lets say R1 and R2  had become FULL, while R1 and R3 had reached Exstart state. Now at this time(when R1 and R3 are in transition state) the adjacency between R1 and  R2  goes down for some reson.      Considering above scenario, my doubts are: -  As the adjacency between R1 and R2 has gone down(which is a Topology change) and R1 is still in GR mode, can R1 quit GR ? In general can a NBR which was FULL and then later gone down can be treated as one of the conditions for quiting GR ?      Regards Aamir

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