Siiiiiiiiiigh. Discovered that the file
/etc/sysconfig/network
contained this line:
GATEWAY=<some other IP address>
That was first placed there when the machine was first installed, using a static
IP address.
Commented that out, and now the system gets its gateway via dhcp.
j
On Wednesday, August 21, 2013 15:39:25 Joshua J. Kugler wrote:
> Further investigation.
>
> If I create a route-eth0 file and put this in it:
>
> default 192.168.122.1 dev eth0
>
> I get this upon network restart:
>
> Error: either "to" is duplicate, or "192.168.122.1" is a garbage.
>
> Which this page:
> http://www.centos.org/docs/5/html/5.1/Deployment_Guide/s1%2dnetworkscripts%2
> dstatic%2droutes.html
>
> says I will get if the default route is set via DHCP. So, the system is
> seeing the default route, and apparently even trying to set it, but it's not
> lasting.
>
> I'm really lost on this one.
>
> j
>
> On Wednesday, August 21, 2013 13:48:02 Joshua J. Kugler wrote:
> > I have a CentOS 6.4 VM that is getting its DHCP information from dnsmasq
> > (a
> > libvirt instance). However, it is not applying the routing information.
> >
> > Attached is a tcpdump of the dhcpc output. You'll see:
> > Default-Gateway Option 3, length 4: 192.168.122.1
> >
> > However, when I run 'route -n', I get:
> >
> > # route -n
> > Kernel IP routing table
> > Destination Gateway Genmask Flags Metric Ref Use
> > Iface 192.168.122.0 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 1002 0
> >
> > 0 eth0
> >
> > Any ideas as to why the default route/gateway information isn't being
> > applied?
> >
> > j
--
Joshua J. Kugler - Fairbanks, Alaska
Azariah Enterprises - Programming and Website Design
joshua@xxxxxxxxxxx - Jabber: pedahzur@xxxxxxxxx
PGP Key: http://pgp.mit.edu/ ID 0x73B13B6A
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