[CentOS] need help

John R Pierce pierce at hogranch.com
Sat Mar 27 20:23:36 UTC 2010


cahit Eyigünlü wrote:
> This is fedora's route table :
> root at lin [~]# netstat -rn
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags   MSS Window 
>  irtt Iface
> 217.20.117.1    0.0.0.0         255.255.255.255 UH        0 0         
>  0 eth0
> 78.159.97.0     0.0.0.0         255.255.255.0   U         0 0         
>  0 eth0
> 0.0.0.0         217.20.117.1    0.0.0.0         UG        0 0         
>  0 eth0
>
> and this is cent os which is not working :
> [root at lin2 ~]# netstat -rn
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags   MSS Window 
>  irtt Iface
> 188.72.255.0    0.0.0.0         255.255.255.0   U         0 0         
>  0 eth0
> 169.254.0.0     0.0.0.0         255.255.0.0     U         0 0         
>  0 eth0
> [root at lin2 ~]# ping 217.20.117.1
> connect: Network is unreachable

fedora's eth0 has an unconventional route to the gateway via eth0 (the 
first line)

this is an odd network, i see like 4 different subnets all mashed up on 
the same physical network segment?   who designed this?  surely not 
someone with a proper network engineering background..









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