On Sun, May 13, 2012 at 5:45 PM, aurfalien <aurfalien at gmail.com> wrote: > Hi all, > > Read many posts on the subject. > > Using 802.3ad. > > Few problems; > Cannot ping some hosts on the network, they are all up. > Cannot resolve via DNS which is one of the hosts that I cannot ping, internal nor external DNS hosts. > Unplugging the NICS and plugging them back in will then not allow pining if the default d=gateway. > > When cold booting it somewhat works, some hosts are pingable while others are not. > > When restarting the network service via /etc/init.d/network, nothing is pingable. > > Here are my configs; > > ifcfg-bond0 > DEVICE=bond0 > USERCTL=no > BOOTPROTO=none > ONBOOT=yes > IPADDR=10.0.0.10 > NETMASK=255.255.0.0 > NETWORK=10.0.0.0 > TYPE=Unknown > IPV6INIT=no Note I'm speaking bonding only and not bridging here: These days bonding is supposed to be done in the network-script files, not modprobe.conf: # ifcfg-bond0: DEVICE=bond0 IPADDR=10.0.0.6 NETMASK=255.255.255.0 #NETWORK= #BROADCAST= ONBOOT=yes BOOTPROTO=none USERCTL=no BONDING_OPTS="mode=active-backup primary=em1 arp_interval=2000 arp_ip_target=10.0.0.1 arp_validate=all num_grat_arp=12 primary_reselect=failure" Adjust accordingly. -- Mikael.