DSR Multihomed SCTP HeartBeat Acknowledgement From Different IP (Doc ID 2393644.1)

Last updated on JUNE 13, 2022

Applies to:

Goal

We are configuring multihomed sctp association.
Remote side (client): X.X.X.1 (primary) and X.X.X.2 (alternative).
DSR side (server): Y.Y.Y.1 (primary) and Y.Y.Y.2 (alternative).

DSR sends HEARTBEAT ACKNOWLEDGEMENT packets from alternative interface.

For example:
X.X.X.2 -> Y.Y.Y.2 SCTP 1516 HEARTBEAT
Y.Y.Y.1 -> X.X.X.2 SCTP 1516 HEARTBEAT_ACK

Remote side expects answer exactly from the same address to which it sends requests.

Solution

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