Joakim Tjernlund/Transmode wrote on 2012/02/27 14:57:43: > > There are problems with STP and its message age calculation even after commit: > bridge: send proper message_age in config BPDU > > Using HZ=1000 one can see that received msg and transmitted msg age are 0 > going back to HZ=100 it gets better, but still looks strange. > > Using HW switches(RSTP) and linux bridge in series: > HW Switch(A, master) - HW Switch(B) - Linux BR(C) - Linux BR(D) - Linux BR(E) > In C we can with tcpdump see that incoming msg age is 1, but > in D we see incoming msg age 0, should be > 1 (or so I think) > Then in E we see incoming msg age 2. > > Should not msg age increase with at least 1 for every hop? hmm, Linux bridge seem to add a RELATIVE msg age instead of adding to the received msg age, that is, if rx msg age is 10 and processing takes 1 then the bridge code sends 1 instead of 11. This seems broken to me. Jocke _______________________________________________ Bridge mailing list Bridge@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/bridge
