arplookup errors

[Lowell Gilbert]

Tim Radigan <tradigan at touchdynamic.com> writes:

> Hi everyone, I'm getting some arplookup errors here which I think is
> the cause of my name server not transferring zone files over to the
> slave server.
> 
> Here is my scenario:
> 
> 67.153.114.xx - gateway / nat / firewall / dhcpd server / dns server
> (master for internal lan and slave for external interface)
> 67.93.165.xx - apache / dns server (master for external and slave for
> internal)
> 
> now, the 67.153.114.xx server can transfer the external zone files
> which it is a slave for
> but the 67.93.165.xx server cannot transfer the internal zone files
> for which it is a slave for
> 
> and i'm getting these errors in syslog on the 67.93.165.xx server:
> 
> arplookup 67.153.114.xx failed: host is not on local network
> 
> on both machines our ISP told me to use a netmask of 255.255.255.248
> could the netmask be causing this behavior?

What does the route from your gateway machine to the DNS server look like?