Aha! I found that somebody changed br_fdb_insert for kernel 2.4.22. It looks like if I copy the change into our source tree it will fix the problem. Let's hope so. > -----Original Message----- > From: Eble, Dan [mailto:DanE@xxxxxxxxxx] > Sent: Monday, February 09, 2004 11:17 AM > To: 'bridge@xxxxxxxx' > Subject: [Bridge] Two entries in forwarding database > > > I'm debugging a strange problem of noncommunication between > two devices. > The test configuration is also strange, and involves loops. Things > magically start working when I run tcpdump to put the bridge > interface into > promiscuous mode. I also noticed this in the output of brctl > showmacs. > > port no mac addr is local? ageing timer > > 1 00:40:72:04:2d:ea no 27.10 > > 1 00:40:72:04:2d:ea yes 0.00 > > > Disregarding for the moment the loops in the test setup, > which are probably > the root of the problem, it seems to me that since MAC > address is used as > the key for entries in the FDB, there should not be two > entries with the > same address. (The address shown is one of the interfaces in > the bridge.) > When a static entry is added it should overwrite a non-static entry. > > I am going to try to fix this in br_fdb.c and post a patch (ppc kernel > 2.4.21-pre4), but I wanted to see if anyone had any advice > that would save > me some work or help me do a better job. Thank you. > > -- > Dan Eble <dane@xxxxxxxxxx> _____ . > | _ |/| > Applied Innovation Inc. | |_| | | "All Protocols MUST be odd" > http://www.aiinet.com/ |__/|_|_| -- RFC 1661 (PPP)
