This only happens every so often, not like every 5 minutes. When I woke up today and tried to access VM I could not. Via the actual host I could see it was running and actually use it via virtual manager. I was only able to access ftp, http, etc after a network restart. The network restart shut down the connection, it did not fail then start, it shut down and reupped. On the virtual machine, which is having the issue, this is my eth0 (I have been commenting out things to see if anything changes the issue.) DEVICE="eth0" NM_CONTROLLED="no" ONBOOT=yes HWADDR=52:54:00:D1:B3:46 TYPE=Ethernet BOOTPROTO=none IPADDR=199.204.135.123 #PREFIX=28 GATEWAY=199.204.135.113 DNS1=8.8.8.8 DNS2=8.8.4.4 DOMAIN=mike.hoffmanartdesign.com #DEFROUTE=yes #IPV4_FAILURE_FATAL=no #IPV6INIT=no NAME="System eth0" UUID=5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 usrctl=no on the main machine which experiences no problems. eth0 and 1 onboard, eth 2 add on card, all are the same except hwaddress, uuid, etc. DEVICE="eth1" NM_CONTROLLED="no" ONBOOT=yes HWADDR=00:25:90:2B:23:C3 TYPE=Ethernet MASTER=bond0 SLAVE=yes BOOTPROTO=none NAME="System eth1" UUID=9c92fad9-6ecb-3e6c-eb4d-8a47c6f50c04 usrctl=no (tried playing with bonding mode, but got nowhere there, again, the host machine never has an issue) DEVICE="bond0" NM_CONTROLLED="no" BOOTPROTO=none BRIDGE=vbr0 ONBOOT=yes userctl=no #IPADDR=199.204.135.120 #NETWORK=199.204.135.112 #NETMASK=255.255.255.240 #GATEWAY=199.204.135.113 BONDING_OPTS="mode=6 miimon=100" DEVICE="vbr0" NM_CONTROLLED="no" TYPE="Bridge" BOOTPROTO="none" IPADDR=199.204.135.120 NETWORK=199.204.135.112 NETMASK=255.255.255.240 GATEWAY=199.204.135.113 DNS1=8.8.8.8 DNS2=8.8.4.4 ONBOOT=yes userctl=no not sure why vnet0 shows up in ifconfig, it is there and sometimes it is not depending on boot.... [root at main ~]# ifconfig bond0 Link encap:Ethernet HWaddr 00:25:90:2B:23:C2 inet6 addr: fe80::225:90ff:fe2b:23c2/64 Scope:Link UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1 RX packets:676 errors:0 dropped:0 overruns:0 frame:0 TX packets:6754 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:68718 (67.1 KiB) TX bytes:976214 (953.3 KiB) eth0 Link encap:Ethernet HWaddr 00:25:90:2B:23:C2 UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1 RX packets:653 errors:0 dropped:0 overruns:0 frame:0 TX packets:3706 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:67104 (65.5 KiB) TX bytes:792687 (774.1 KiB) Memory:fbe60000-fbe80000 eth1 Link encap:Ethernet HWaddr 00:25:90:2B:23:C3 UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1 RX packets:23 errors:0 dropped:0 overruns:0 frame:0 TX packets:3048 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1614 (1.5 KiB) TX bytes:183527 (179.2 KiB) Memory:fbee0000-fbf00000 eth2 Link encap:Ethernet HWaddr 00:1B:21:C6:E2:67 UP BROADCAST SLAVE MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) Interrupt:26 Memory:fbd20000-fbd40000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) vbr0 Link encap:Ethernet HWaddr 00:25:90:2B:23:C2 inet addr:199.204.135.120 Bcast:199.204.135.127 Mask:255.255.255.240 inet6 addr: fe80::225:90ff:fe2b:23c2/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:263 errors:0 dropped:0 overruns:0 frame:0 TX packets:183 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:24452 (23.8 KiB) TX bytes:77041 (75.2 KiB) virbr0 Link encap:Ethernet HWaddr 52:54:00:9E:3F:9D inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:12 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:3066 (2.9 KiB) vnet0 Link encap:Ethernet HWaddr FE:54:00:D1:B3:46 inet6 addr: fe80::fc54:ff:fed1:b346/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:286 errors:0 dropped:0 overruns:0 frame:0 TX packets:505 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:500 RX bytes:483086 (471.7 KiB) TX bytes:47788 (46.6 KiB) On virtual machine [root at mike ~]# ifconfig eth0 Link encap:Ethernet HWaddr 52:54:00:D1:B3:46 inet addr:199.204.135.123 Bcast:199.204.135.255 Mask:255.255.255.0 inet6 addr: fe80::5054:ff:fed1:b346/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:94981 errors:0 dropped:0 overruns:0 frame:0 TX packets:69706 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:83070095 (79.2 MiB) TX bytes:15019279 (14.3 MiB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:50 errors:0 dropped:0 overruns:0 frame:0 TX packets:50 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:4153 (4.0 KiB) TX bytes:4153 (4.0 KiB) On 2/3/2012 3:45 PM, Digimer wrote: > > lman/listinfo/centos > Please share more information on your configuration, including > configuration files. Particularly your eth, bond and bridge > configurations. >