Configure R2 and R3 to iBGP peer with each other via IPv4 address.Since this YouTube is longer… I’ll break down some of the major time stamps for you. We will see this again in reference to R3 not installing any of the IPv6 prefixes that R2 learned from R20 and is advertising to R2.We will see that it is because iBGP, by default, does not change the next hop IP address.Once it is up, we will see that R3 will not install any of the IPv4 prefixes that R2 learned from R20 and is advertising to R3.Show and Tell #2: iBGP peer IPv4 and IPv6 between R2 and R3įirst we will configure iBGP peers between R2 and R3. ![]() Go back to R2 and see that the eBGP IPv6 peer is up and we are receiving prefixes.Go to R20 and see that the neighbor statement to R2 for eBGP IPv4 peering is configured to be AS 100.See that the eBGP IPv6 peer isn’t coming up.Configure R2 to eBGP peer with R20 via IPv6 address.Go back to R2 and see that the eBGP peer is up and we are receiving prefixes.Go to R20 and see that the neighbor statement to R2 is configured to be AS 100.Notice in the logs on R2 that there is a BGP notification being received from R20 that R20 views that the peer is in the wrong AS.See that the eBGP peer is still not coming up. ![]()
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