Hi, How would it cause a loop. what i am trying is to possibly prevent a loop without using stp. And Please let me know how bonding will help. I am a newbie in this arena. regards Stephen Hemminger wrote: >On Wed, 29 Jun 2005 11:41:59 +0800 >munro <munro.biswal@xxxxxxxxxxxxxxxx> wrote: > > > >>Hi, >> >>What is wish to do is >>There are four interfaces here >> >> PC1---------------------| br0 >>|if0-------------------if2| br1 | ----------------------PC2 >> | >>|if1------------------- if3| | >> >> >>br0 and br1- are two transperent bridges on separate devices. >>if0 and if1 are two physical interfaces(ports) attached to each of the >>bridges on either side. >> >>What i intend to do is to redirect all traffic coming towards br0 >>from PC1 through interface/port if1, even if the source mac is learnt >>through if0 and the same on the other bridge br1 on the other device. >>Similarly, any traffic coming from PC2 has to go through if2 instead >>of if3 before it enters br0. So in all, what i want to do is make the >>link from br0 to br1 full duplex if the physical links are half-duplex. >> >>Regards, >>Munro. >> >> > >That would create a possible loop if the links are full duplex, and that >would be a disaster! Maybe you could do what you want with the bonding >interface? > >