Carl,
In the L3 High availability Blue Print I want to make following observation...
1. Just before Active going down if there was fragmented packet getting
reassembling how to recover it ?
If that packet is related App, App will try to resend those packet so that it
will get reassembled in new board .
Issue:
Issue with packets which are pure L3 level packets.
Example IPSEC packet (where there is recursive encapsulation)
, Neighbor Discover packet, ICMP related which are pure L3 packet.
If these packets are get losses during process
of reassembled how to recover it ?
Worst thing is no one is informing that these
packets are lost, because there are no session based Socket for pure L3 level
packet.
2. Since this HA mechanism is stateless (VRRP mechanism) what is the
impact those L3 protocol which have status ?
How exactly NAT sessions are handled ?
3. I think we need to have serious discussion with Distributed
functionality (like DVR) for session less High availability solution.
Thanks & Regards,
Keshava
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