SIOCADDRT?

jludwig wralphie at comcast.net
Fri Dec 2 02:17:04 UTC 2005


On Friday 02 December 2005 12:51 am, Jonathan Carpenter wrote:
> I have setup one server for multiple ips. But when I bring eth0 down and
> then back up I get and error of:
>
> SIOCADDRT network is unreachable
>
> I am not exactly sure why I am getting this message everything seems to
> work fine. I can access anything from this server and I can access this
> server from anywhere. I have noticed some collisions and transmit errors. I
> am not sure what would be causing this.
>
> ifconfig returns
> eth0      Link encap:Ethernet  HWaddr 01:10:26:19:12:B5
>           inet addr:10.1.4.2  Bcast:10.1.4.30  Mask:255.255.255.192
>           inet6 addr: fe80::214:22ff:fe17:15a9/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:248569 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:71281 errors:66 dropped:0 overruns:0 carrier:66
>           collisions:180 txqueuelen:1000
>           RX bytes:80778446 (77.0 MiB)  TX bytes:14645178 (13.9 MiB)
>           Base address:0xecc0 Memory:fe6e0000-fe700000
>
> eth0:0    Link encap:Ethernet  HWaddr 01:10:26:19:12:B5
>           inet addr:10.1.4.1  Bcast:10.1.4.30  Mask:255.255.255.192
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           Base address:0xecc0 Memory:fe6e0000-fe700000
>
> 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:6762 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:6762 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:274642 (268.2 KiB)  TX bytes:274642 (268.2 KiB)
>
> route -n shows
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use
> Iface
> 10.1.4.0   0.0.0.0         255.255.255.192 U     0      0        0 eth0
> 169.254.0.0     0.0.0.0         255.255.0.0     U     0      0        0
> eth0 0.0.0.0         10.1.4.35  0.0.0.0         UG    0      0        0
> eth0
>
>                                        Thanks,
> --
> Jonathan Carpenter
> Linux System Administrator
> Windows System Administrator
> <The Unix Geek>
I'll bet that you may have eth0:0 set up as the gateway. If that is the case 
eth0 may not be able to see "the network".
(I have seen this type of weirdness before.)




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