STANGE Networking Issue.

[jrmontg]

I have a server that I rebooted and when it came back up the networking did not work. Said SIOCADDRT: Network is unreachable.

After many hours of troubledshooting I added a alais address to the eth0 and my network started to work only for that alais address on eth0:1. The address on eth0 still does not work. I tried changing it and still nothing. So right now I am running the server off the alais address. Has anyone ever seen this? Anyone had any ideas how to fix?

[jrmontg]

I even added a new nic (eth1) and that address didn't work either. But the alais did...

[jrmontg]

ahh found this
eth0 Link encap:Ethernet HWaddr 00:0C:76:6AD:5D
inet6 addr: fe80::20c:76ff:fe6a:dd5d/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:784 errors:0 dropped:0 overruns:0 frame:0
TX packets:135 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:78474 (76.6 KiB) TX bytes:13248 (12.9 KiB)
Interrupt:209

How did this get there: inet6 addr: fe80::20c:76ff:fe6a:dd5d/64 Scope:Link? How do I convert back to version 4?

[jrmontg]

this is what happens when I bring the interface up
[root@backup network-scripts]# ifup eth0
network-functions: line 112: Unknown: command not found
network-functions: line 116: Unknown: command not found
network-functions: line 120: Unknown: command not found
Error: an inet prefix is expected rather than "10.0.0.13/".
Error adding address 10.0.0.13 for eth0.
bind: Cannot assign requested address
/etc/sysconfig/network-scripts/ifup-aliases: line 168: Unknown: command not found
/etc/sysconfig/network-scripts/ifup-aliases: line 185: Unknown: command not found