jimB0

5 ms·

1. 1.▲
   by jimB0 13y ago

   The last-hop switches facing the servers are layer 3 in the direction of the aggregation switches and layer 2 in the direction of the servers so ARP is handled normally and DHCP can be handled with standard DHCP-helper mechanisms. This all
2. 2.▲
   by jimB0 13y ago

   Here are some things: One scale problem with layer 2 networks is you have to go to layer 3 at some point and you have an aggregation node(s) that have to do a considerable amount of ARP request/reply traffic. The request/reply tra
3. 3.▲
   by jimB0 13y ago

   To run BGP, you would not have to run /32s everywhere. You could have multiple tiers of aggregation that keep your routing tables manageable. It would look something like this. hosts (/32) -> rack-sw -> (/26) -> ag