Question re multiple l3 and dhcp agents Blueprint
Hi,
while I can understand the desire cast in this blueprint to allow multiple L3 and dhcp agents, what strikes me is that this setup leads to numerous routing side issues that are not mentioned, or at least not clearly in the blueprint, and which potentially can result in the whole scheme not working:
Eg. Host A is hooked up to 2 L3 agents (one being the default, one backup). By definition the L3 agents need to route traffic to the same pool of IP addresses, and do so based on their active/backup designation. That said however, in case of NAT a simple switch of active/standby is insufficient as the IP tables entries need to be carried over. What more, this simplistic approach probably doesn't work beyond the 1+1 redundant case.
Would welcome some additional clarification on how the multiple agents setup is meant to actually operate.
Cheers,
Woj.
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