Ethernet Channel Bonding Driver: v2.6.1 (October 29, 2004) Bonding Mode: fault-tolerance (active-backup) Primary Slave: None Currently Active Slave: eth0 MII Status: up MII Polling Interval (ms): 100 Up Delay (ms): 0 Down Delay (ms): 0 Slave Interface: eth0 MII Status: up Link Failure Count: 0 Permanent HW addr: 00:15:60:ad:a0:8a Slave Interface: eth1 MII Status: up Link Failure Count: 0 Permanent HW addr: 00:15:60:ad:a0:89 > show me your modprobe.conf /etc/modprobe.conf alias vlan 8021q alias bond0 bonding options bonding miimon=100 mode=1 alias eth0 tg3 alias eth1 tg3 alias scsi_hostadapter cciss alias usb-controller ehci-hcd alias usb-controller1 uhci-hcd alias net-pf-10 off /etc/sysconfig/network NETWORKING=yes HOSTNAME=dns.refertelecom.pt GATEWAY=10.192.32.254 GATEWAYDEV=bond0.201 eth0 DEVICE=eth0 BOOTPROTO=static TYPE=Ethernet ONBOOT=yes SLAVE=yes MASTER=bond0 eth1 DEVICE=eth1 BOOTPROTO=static TYPE=Ethernet ONBOOT=yes SLAVE=yes MASTER=bond0 bond0.201 DEVICE=bond0.201 ONBOOT=yes IPADDR=10.192.32.37 NETMASK=255.255.255.0 bond0 DEVICE=bond0 ONBOOT=yes Regards, Nassri