[CentOS] Forgetting network settings

[Matt Iavarone]

2010/3/29 cahit Eyigünlü <cahit.eyigunlu at gmail.com>:
> This is my two line on route-eth0
>  address0=217.20.117.1
>  subnet0=255.255.255.255
> but what should be next line for default gateway the only thing that i could
> not complete is default gateway setting
> and my netstat table must looklike this :
> 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
> xx.xx.xx.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 now i see only the first two line truely i am adding 3rd line on every
> time restart manually with route add default gw
>
> 2010/3/29 Les Mikesell <lesmikesell at gmail.com>
>>
>> cahit Eyigünlü wrote:
>> > i am reaching the network with this :
>> > route add -net 217.20.117.1 netmask 255.255.255.255 dev eth0
>> > route add default gw 217.20.117.1
>> >
>> > i have added eth0
>> > address0=217.20.117.1
>> > subnet0=255.255.255.255
>> >
>> > the first command is ok but how could i set the second command to cent
>> > os to do it automatically
>> >
>>
>> If you create a file named /etc/sysconfig/network-scripts/route-eth0 you
>> can put
>> lines in it that will have 'ip route' added at the beginning and executed
>> after
>> the interface is up.  "ip route" takes some different arguments than the
>> "route"
>> command - see "man ip" for details.
>>
>> --
>>   Les Mikesell
>>   lesmikesell at gmail.com
>>
>>
>>
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>
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Why don't you post the results of 'ifconfig -a' and 'ip route show'?
Giving information piecemeal is not helping anyone.