Hi Jon, Read below ..
Jon Paul Maloy ??????: > This scenario can easily be confirmed by doing a > wireshark dump when a link goes stale. If you even > could catch the moment when it happens, i.e. see the > packet that is never delivered, we would have a good > clue to follow. > > Wireshark... > Well, I managed to do a wireshark dump and force the link to .. fail or whatever :) The sequence of events looks like this: A > B: fragmenter: first A > B: fragmenter: fragment * 10 A > B: fragmenter: last ... this repeats several times with 2 * (B > A: link state: state) almost always present somewhere within that 12 pack sequence ... and then ... A > B: fragmenter: first A > B: fragmenter: fragment * 8 [note it probably should have been 10, as 95% ot fragmented packets in my cluster are 16K sent over mtu of 1500] B > A: payld: norej: directmsg [this is an unrelated communication by other threads] B > A: payld: norej: namedmsg [this seems to be the first pack of a SEQPACKET connection using implicit connect, made by some other thread] B > A: payld: norej: namedmsg [yet another like the one above] B > A: link state: state A > B: link state: state B > A: link state: state [these 3 link state msgs happen within 0.1ms (!) so probably the A>B link state pack is not related to the B>A ones .. those always tend to come in pairs] ... and from that point on the only thing comming from A are (A > B: link state: state) packets with B _always_ responding immediately with a (B > A: link state: state) packet. Apart from that B seems to be just trying to continue business as usual. 10 seconds later I see a long sequence of (B > A: payld: norej: directmsg ErrNoPort) and then again B just tries to send it's standart directmsg/namedmsg queries to A, but nothing really happens. A link reset (disable/enable bearer @B) restore normal operation. Wireshark dump was done @B. So .. I got this far. Any ideas? Regards Peter Litov. ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ tipc-discussion mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/tipc-discussion
