On Wednesday 12 April 2006 15:38, Jason Ackley wrote: > Tim Donahue wrote: > > recv_dd_description: invalid MTU 1500 sent by neighbor ID 10.4.64.3, > > expected 1496 > > This is your problem. Your physical interface driver > doesn't understand frames that are 'slightly' larger > than 1500 (baby giant). Frames are increased by > 4 bytes when they have 802.1q tags prepended to them. > [snip] > If you are unsure, you can grep around for > 'IFCAP_VLAN_MTU' in the driver source code. > > Most fxp/bge/nge/em/sk cards should be good. Some > vr/rl will work as well. > > What is the other interface on the box?
Its an xl card so I'll need to see if we have any other cards around. > You could reduce the MTU on the other routers, but > that is a hack. Get a real card/driver and you will > be set. This would just be a pain in the rear as time goes on.... Thanks for the pointer. Tim Donahue