Network Manager seems to be responsible for unsetting the GW. In my case, changing BOOTPROTO from 'none' to 'static' in /etc/sysconfig/networking-scripts/ifcfg-eth0 and manual setting the gw helped me, so it might be an issue with that parameter in l23network.
Network Manager seems to be responsible for unsetting the GW. In my case, changing BOOTPROTO from 'none' to 'static' in /etc/sysconfig/ networking- scripts/ ifcfg-eth0 and manual setting the gw helped me, so it might be an issue with that parameter in l23network.