Joakim Tjernlund wrote: > On Thu, 2008-05-08 at 11:04 +0200, Francesco Dolcini wrote: >> cisco and others solved this kind of problem using proprietary >> unidirectional link detection protocols (see cisco informational rfc >> 5171 for example). No standard exists as far as I know (BFD rfc does not >> consider the layer 2 case). > > Are these proprietary unidirectional link detection protocols the only > way to solve the problem? spanning tree protocol, in the various IEEE incarnation (802.1D, 802.1Q) and cisco (PVSTP) does not handle this problem, so an external mechanism is needed. > Would STP break if the interface was set to "non forwarding" in this > case until the bridge stops seeing its own STP messages? At least this will not solve the more general problem of a unidirectional link (rx working and tx broken). _______________________________________________ Bridge mailing list Bridge@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/bridge
