10-19-2017 06:42 AM - edited 03-08-2019 12:25 PM
we have two routers R1 and R2, R1 is BGP backup link and R2 is primary link. both are online, we want to replace R1 during non-business hours, because R1 has intermittent error last month., interface G0/0/0 is connected to telecom provider.
we prepare new router R3 and try to replace R1, R3 is already preconfigured. before we re-connect the cable into R3, . do we need to shutdown interface G0/0/0 and BGP neighbor in R3. we are afraid that if interface g0/0/0 is not down, the time we plug in the cable, it will cause network flap, is this true? any other things we need to take care when we replace a online router, thanks
10-19-2017 06:59 AM
10-19-2017 07:01 AM
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