I have implemented Spanning tree on switches 2950 on two 3550.
Everything works fine, spanning tree is fonctionnal (I made tests disconnecting interface and giga ports are going from Bloked to forward state), but after 1 or 2 hours, one of the 2 giga interfaces on 2950 detect link-flap error and put the interface in err-disable state, the only thing to do is to reload the switche(then both interface are enable, one BLK, one FWD)
00:39:12: %PM-4-ERR_DISABLE: link-flap error detected
on Gi0/2, putting Gi0/2 in err-disable state
Any one has an idea ?
Everything works fine, spanning tree is fonctionnal (I made tests disconnecting interface and giga ports are going from Bloked to forward state), but after 1 or 2 hours, one of the 2 giga interfaces on 2950 detect link-flap error and put the interface in err-disable state, the only thing to do is to reload the switche(then both interface are enable, one BLK, one FWD)
00:39:12: %PM-4-ERR_DISABLE: link-flap error detected
on Gi0/2, putting Gi0/2 in err-disable state
Any one has an idea ?