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[Vishvananda Ishaya <vishvananda@xxxxxxxxx>]

I believe that this bug only happens if:

a) you have your floating ips on a different interface from your flat ips
b) you are using an external gateway for the fixed ips (a custom dnsmasq config file)

I've noticed that self-ping also breaks if you have dmz_cidr set to your fixed_range (this isn't necessary and should be removed)

I suspect you don't have the broken setup, because it also seems to completely break floating ips per this bug:

https://bugs.launchpad.net/nova/+bug/1096985

Assuming you are hitting the same bug, there isn't really a good workaround besides merging the patch.

Vish

On Jan 9, 2013, at 3:02 AM, Dave Pigott <dave.pigott@xxxxxxxxxx> wrote:

> Hi all,
> 
> I note from https://bugs.launchpad.net/nova/+bug/1096259 that there's an issue that means an instance can't ping it's own public IP address. Does anyone know of a workaround until this gets fixed?
> 
> Thanks
> 
> Dave
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