On fedora15 the network interface is invalid when my computer is started up. I am using br0,bridge interface with p2p1. the p2p1 is ethernet interface name. The configuration files are following. /etc/sysconfig/network-scripts/ifcfg-p2p1 DEVICE=p2p1 ONBOOT=yes NM_CONTROLLED=yes TYPE=Ethernet BOOTPROTO=none DEFROUTE=yes IPV4_FAILURE_FATAL=yes IPV6INIT=no NAME="System p2p1" HWADDR=08:00:27:c1:5e:6c PEERROUTES=yes BRIDGE=br0 /etc/sysconfig/network/scripts/ifcfg-br0 DEVICE=br0 ONBOOT=yes NM_CONTROLLED=yes TYPE=Bridge BOOTPROTO=none DEFROUTE=yes IPV4_FAILURE_FATAL=yes IPV6INIT=no NAME="br0" PEERROUTES=yes IPADDR=10.0.2.15 NETMASK=255.255.255.0 GATEWAY=10.0.2.2 DNS1=8.8.8.8 USERCTL=no PREFIX=24 /var/log/messages Log file indicates that bridge interface are not yet supported. But when the computer has been started up ,execute "ifup br0;ifup p2p1", network is vaild. Please any suggestion to me. Aug 15 10:50:48 fedoravm NetworkManager[585]: <info> Loaded plugin keyfile: (c) 2007 - 2010 Red Hat, Inc. To report bugs please use the NetworkManager mailing list. Aug 15 10:50:48 fedoravm NetworkManager[585]: ifcfg-rh: parsing /etc/sysconfig/network-scripts/ifcfg-lo ... Aug 15 10:50:48 fedoravm NetworkManager[585]: ifcfg-rh: parsing /etc/sysconfig/network-scripts/ifcfg-p2p1 ... Aug 15 10:50:48 fedoravm NetworkManager[585]: ifcfg-rh: read connection 'System p2p1' Aug 15 10:50:48 fedoravm NetworkManager[585]: ifcfg-rh: Ignoring connection 'System p2p1' and its device due to NM_CONTROLLED/BRIDGE/VLAN. Aug 15 10:50:48 fedoravm NetworkManager[585]: ifcfg-rh: parsing /etc/sysconfig/network-scripts/ifcfg-br0 ... Aug 15 10:50:48 fedoravm NetworkManager[585]: ifcfg-rh: error: Bridge connections are not yet supported Aug 15 10:50:48 fedoravm NetworkManager[585]: <info> trying to start the modem manager... -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines