On Fri, 20 Jan 2006, ABOKHALAF, Nassri Abdellatif wrote: > Thanks for your reply Robin, > >> It looks like you switch is configured to use tagged vlans. > > > I must use tagged vlans. > > I configured the switch as your example. > > >> Then add the following config file. >> /etc/sysconfig/network-scripts/ifcfg-bond0.201 >> DEVICE=bond0.201 > > I cannot bring this interface up. If you do ifconfig it only shows > bond0, eth0 & eth1. > > Since bond0.201 does not come up, the system has no default gateway. > > Any clue? show me your modprobe.conf I think you may need to add alias vlan 8021q alias bond0 bonding options bonding miimon=100 mode=<yourmodehere> what is the output of cat /proc/net/bonding/bond0