Re: SCTP-Multihoming Clarification needed
"David Laight" <[email protected]>
| Newsgroups | gmane.ietf.sigtran |
|---|---|
| Message-ID | <[email protected]> |
The IP address an NIC assignments below aren't a good (ie valid) choice.
If you have 2 IP interfaces in the same subnet you typically have no
control over which interface packets are sent out of. Usually all the
packets are transmitted from one of the interfaces (regardless as to the
local IP address).
The ARP responses will, however, contain the mac address of the
associated interface.
So your 'local' system is probably sending traffic to both of the remote
system's NICs, but the remote is only sending out of a single interface.
This may (or may not!) be the reason for what you are seeing.
I've seen systems try to use address pairs for data messages before
verifying (with a HB) that the interfaces are actually connected. There
are some valid network configurations where this is guaranteed to
happen.
David
Local machine is having only one NIC with two IP's , say
192.168.12.1(primary) and 192.168.12.2(secondary) configured.
Remote machine is having two NICs each having a single IP , say
192.168.13.1(primary) and 192.168.13.2(secondary) configured.
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