On 12/04/2013 03:45 PM, ToddAndMargo wrote:
>> On Dec 4, 2013 16:14, ToddAndMargo <[log in to unmask]> wrote:
>>
>>  > On Wed, Dec 4, 2013 at 2:41 PM, ToddAndMargo <[log in to unmask]>
>> wrote:
>>  >> Hi All,
>>  >>
>>  >> SL 6.5, 64 bit.
>>  >>
>>  >> I had to manually configure a Tread Net TEW-638PAP as a wireless
>>  >> bridge yesterday. In the process, I had to change my default
>>  >> router (a.k.a. gateway) three times. (Networking too, but
>>  >> that worked.) The TEW-638PAP was hooked to my second
>>  >> Ethernet port (eth1).
>>  >>
>>  >> Problem, I had to reboot to get the new default route to
>>  >> stick.
>>  >>
>>  >> Now I know of two places I can put my default router:
>>  >>
>>  >> /etc/sysconfig/network <--- where I put it
>>  >> GATEWAY=192.168.10.100 and
>>  >>
>>  >> /etc/sysconfig/network-scripts/ifcfg-eth1
>>  >> GATEWAY=192.168.10.100
>>  >>
>>  >> I am using /etc/sysconfig/network and the "vi" method.
>>  >>
>>  >> To check my default router setting, I used "netstat -rn"
>>  >> and looked for the tags "UG". (It is at the bottom of
>>  >> the list.)
>>  >>
>>  >> To try to get the new default router setting to take,
>>  >> I used:
>>  >>
>>  >> service network restart; netstat -rn
>>  >> and
>>  >> ifdown eth1; ifup eth1; netstat -rn
>>  >>
>>  >> No joy with either method. Whatever gateway I had when
>>  >> I booted, was the one I was stuck with. Reboot
>>  >> was the only way to make the change. I even tried
>>  >> manually configuring it with "route". No joy there
>>  >> either. :'(
>>  >>
>>  >> What did I do wrong?
>>  >>
>>  >> Many thanks,
>>  >> -T
>>
>>
>> On 12/04/2013 12:20 PM, Paul Robert Marino wrote:
>>  > ip route delete default via xxx.xxx.xxx.xxx dev eth0
>>  > then
>>  > ip route add default via yyy.yyy.yyy.yyy dev eth0
>>  >
>>  > replace xxx.xxx.xxx.xxx with your current router and yyy.yyy.yyy.yyy
>>  > with the new one
>>  >
>>  > there is also an "ip route replace " syntax as well if you need it
>>  > see "man ip" for more details ;-)
>>
>>
>> Hi Paul,
>>
>> Worked beautifully. Thank you!On 12/04/2013 02:42 PM, Paul Robert
>> Marino wrote:> The delete failed
>> This is because when it ran ip route delete default via it used the new
>> address instead of the old one.
>> So the commands failed.
>> This is actually a fairly common one.
>> It always happens with those scripts when you modify the configs;
>> because they only look at the config file and ignore the current running
>> state.
>> Those scripts were written for ifconfig and route commands on the 1.x
>> kernel and latter patched to use the up command incrementally and as
>> such there are some core things they don't do quite the way you would
>> expect.
>> Again as I've said multiple times they need a fundamental rewrite and
>> network manager isn't the answer for servers
>>
>>
>>
>> -- Sent from my HP Pre3
>>
>> ------------------------------------------------------------------------
>
>> Any idea why restarting the network service did not catch
>> my change to /etc/sysconfig/network?
>>
>> And, should I be setting my router in /etc/sysconfig/network
>> or /etc/sysconfig/network/scripts/ifcfg-eth1?
>>
>> -T
>>
>> Fun command line:
>>
>> $ ip route | grep -i default | awk '{print $3}'
>> 192.168.240.1
>
>
> On 12/04/2013 02:42 PM, Paul Robert Marino wrote:> The delete failed
>  > This is because when it ran ip route delete default via it used the new
>  > address instead of the old one.
>  > So the commands failed.
>  > This is actually a fairly common one.
>  > It always happens with those scripts when you modify the configs;
>  > because they only look at the config file and ignore the current running
>  > state.
>  > Those scripts were written for ifconfig and route commands on the 1.x
>  > kernel and latter patched to use the up command incrementally and as
>  > such there are some core things they don't do quite the way you would
>  > expect.
>  > Again as I've said multiple times they need a fundamental rewrite and
>  > network manager isn't the answer for servers
>  >
>  >
>  >
>  > -- Sent from my HP Pre3
>  >
>  > ------------------------------------------------------------------------
>
> That explains it.  Thank you.

https://bugzilla.redhat.com/show_bug.cgi?id=1038344



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