On Tuesday, March 22, 2016 22:12:00 Russell Purinton wrote:
> If the subnet mask is wrong on 122.11 it may forward all traffic to the
> default gateway. The default gateway may be configured to NAT traffic from
> the LAN, so the response packet would be seen by .10 as coming from .1.
So, it turns out the subnet isn't wrong, but for some reason, it's still
routing through the gateway, and appears to be coming from .1, instead of .11.
I'm not sure why. This is a libvirt network, configured thus:
<network>
<name>default</name>
<uuid>f137a5c4-1dd2-453a-a6e6-c161f2918d41</uuid>
<forward mode='route'/>
<bridge name='virbr0' stp='on' delay='0'/>
<mac address='52:54:00:42:87:a9'/>
<ip address='192.168.122.1' netmask='255.255.255.0'>
<dhcp>
<range start='192.168.122.2' end='192.168.122.254'/>
</dhcp>
</ip>
</network>
When this was working, I was using forward mode=nat, but then two different
libvirt networks couldn't talk to each other. The two machines are on the
same segment, on the same virtual switch. I'm not sure why they are getting
routing through the gateway. Off to do more troubleshooting! :)
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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