1.-If you configured ip route 0.0.0.0 0.0.0.0 gi/01, how ARP works?
So since we only have the source L2,L3 information and a regular ARP contains also the destination IP, I guess (I haven't corroborated it) a sort of multicast or reverse ARP should be used
2.-If you use route reflects in a BGP topology, what is the next hop for prefixes announced by reflects?
I didn't answer, but later on I recall it may have to do with the next-hop-self configuration parameter.
3.-Something that is in RFC and I forgot, so in order for BGP to consider an entry as valid and insert it into the FIB, the next hop should be valid, that was the answer.
So since we only have the source L2,L3 information and a regular ARP contains also the destination IP, I guess (I haven't corroborated it) a sort of multicast or reverse ARP should be used
2.-If you use route reflects in a BGP topology, what is the next hop for prefixes announced by reflects?
I didn't answer, but later on I recall it may have to do with the next-hop-self configuration parameter.
3.-Something that is in RFC and I forgot, so in order for BGP to consider an entry as valid and insert it into the FIB, the next hop should be valid, that was the answer.
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