On Fri, 2005-06-24 at 12:48 -0400, Ming Zhang wrote: > > The double mac just could be because 1 MAC has 2 IP's. > > > any reason my 1MAC has 2IP? > > i noticed that this duplicated 00:11:2F:5A:24:7A is a mac from another > PC(call PC-B). which is not directly connected to the switch. the dual > port box (PC-A) connect to gigabit switch A and then connect to a home > broadband router B and then my PC-B. > > The reason i think it is strange because my network performacne drop > dramatically. > > in nornmal situation, only 1 port is used and thus 1 port blink, then > suddenly perfromance drop and i saw both 2 ports blink. but if i simply > ran command arp and then it jumps back. so i suspect this is the reason. > some update, now when i met this sudden performance drop, any network related command i ran can solve the problem. even a simply ping gateway works. so arp is not the reason. not sure if some live lock in kernel code. :P > Regards. > > > Ming > > > > Greets, > > Jeroen > >
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