Problem with a host having an UNREACHABLE address ?

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   Hi,

I've another problem to submit to your knowledge !

I test my SCTP messaging small application between two hosts far away
one from another, with possible packet loss on the net. Each of them is
advertising two different [IPv4] addresses, but in fact, on one host,
one IP isn't actually connected and can't be used for messages.

When I start SCTP messages exchanges, the hosts are using the first
address, which is working, and messages are correctly transmitted. On
the peer of the failing-IP host, I get notifications that this IP
address is UNREACHABLE, it's correct. In fact, I get one notification
each 100ms, but this can probably be setup.
The problem is that after some time of message exchanges, about 20
seconds, the hosts get a LOST notification for the association and no
message can't be sent anymore until a new association is built.

Should I do something when I get a UNREACHABLE peer change notification
? is the LOST related to these UNREACHABLE notifications, or should I
look for other cause ? I didn't saw this behavior during my tests (on
virtual hosts)...

                Thanks for you help,
                               Fred.

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