Re: [CentOS-virt] Xen domU default gateway missing/ARP table full

2009-11-19 Thread Ken Bass
Christopher Hunt wrote: > Ken, > I think Pasi's on to something there, I bet the GATEWAY command > in ifcfg-eth0 is mistyped or has a syntax error. In the interem, > however, a better hack might be to move the route statement from > rc.local, which only runs at boot, to > /etc/sysconfig/n

Re: [CentOS-virt] Xen domU default gateway missing/ARP table full

2009-11-19 Thread Ken Bass
Pasi Kärkkäinen wrote: > > Yes, the routing table is correct for my domUs. > I have never noticed/seen GATEWAY getting ignored.. > > Maybe your netmask is wrong, so the GATEWAY IP is unreachable? > Well, the netmask for the domU is 255.255.255.255 since the domU is allocated a single official

Re: [CentOS-virt] Xen domU default gateway missing/ARP table full

2009-11-19 Thread Ken Bass
Ed Heron wrote: > I was slightly confused about this thread until I realized you were using > static IP config on your VM's... > > Why do people do that? Why? Because this box sits in an ISP and has official static IP addresses assigned to the dom0 and each domU. _

Re: [CentOS-virt] Xen domU default gateway missing/ARP table full

2009-11-19 Thread Ed Heron
I was slightly confused about this thread until I realized you were using static IP config on your VM's... Why do people do that? I have an extra step of picking up the HW address (or setting the HW address when creating the VM) and putting it into my dhcp configuration, but then I have al

Re: [CentOS-virt] Xen domU default gateway missing/ARP table full

2009-11-19 Thread Christopher Hunt
Ken, I think Pasi's on to something there, I bet the GATEWAY command in ifcfg-eth0 is mistyped or has a syntax error. In the interem, however, a better hack might be to move the route statement from rc.local, which only runs at boot, to /etc/sysconfig/network-scripts/route-eth0 . That will e

Re: [CentOS-virt] Xen domU default gateway missing/ARP table full

2009-11-19 Thread Pasi Kärkkäinen
On Thu, Nov 19, 2009 at 10:03:05AM -0500, Ken Bass wrote: > Pasi Kärkkäinen wrote: > > > > I usually specify the default gateway in > > /etc/sysconfig/network-scripts/ifcfg-eth0 and it works just fine. > > > > > Actually, I tried putting the GATEWAY in the specific ifcfg-eth0, as > well as the

Re: [CentOS-virt] Xen domU default gateway missing/ARP table full

2009-11-19 Thread Ken Bass
Pasi Kärkkäinen wrote: > > I usually specify the default gateway in > /etc/sysconfig/network-scripts/ifcfg-eth0 and it works just fine. > > Actually, I tried putting the GATEWAY in the specific ifcfg-eth0, as well as the global /etc/sysconfig/network and it seems to be ignored. Of course things

Re: [CentOS-virt] Xen domU default gateway missing/ARP table full

2009-11-19 Thread Pasi Kärkkäinen
On Wed, Nov 18, 2009 at 11:39:24AM -0500, Ken Bass wrote: > I have been trying to figure out why my domU NIC becomes unreachable > (could not even ping) at various times. (Normally when the server was > trying to update clamav from the various busy mirrors at 4am). There > also seemed to be some