> 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.


-- 
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Computers are like air conditioners.
They malfunction when you open windows
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