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> > However forwarded requests from the 137 VLAN which should be comming in
> > via hme0 were being reported as comming in via le0, dhcpd then suitably
> > NAKed their renew request ( and presumably sent the reply out le0...)
>
> This is not a DLPI problem - it's a configuration problem. If the
> server is reporting packets as having arrived on le0, that's the
> network on which they were sent (unless they're unicast renewals, of
> course).
Im embarrassed. I didnt check the VLAN the switch port I was using was
configured for. While the rest of the ports on that particular box were
configured for the library, two were not. And I plugged my Solaris box into
one of those. It was configured for my 'IntraNet' lan.
> If they had been relayed, it would have reported that they
> arrived via the IP address of the relay agent.
Now I understand what happened. Dhcp was seeing the packet both directly
on le0 and via the relay. It answered the ones that arrived directly. I presume
this is the desired behaviour - answer on the directly connected network in
preference to the relay. I also presume the direct discovers arrived just a
tad earlier.
> You use the term "VLAN" quite freely in your message. What do you
> mean by this? Are you talking about a network segment with more than
> one logical subnet? Or are you talking about something else?
One physical cable plant. Cisco Catalyst ethernet switches. 3 main 'Virtual'
LANs, my department, the library (a different department with their own IP
address range) and an 'Internal only' used by student labs. The student labs
are subject to hacking to get around their restricted Internet access, so they
are on a seperate VLAN with a seperate IP range.
>
> In any case, I'm pretty sure that your actual network configuration
> and the configuration you described to dhcpd are not the same, and
> this is why you are having trouble.
Yep. After waking up in the middle of the night a realising that I didnt
check the VLAN configuration of the switch and remembering that I had been
playing with the VLANs on that box a few months ago. Sooner or later the
library would have plugged some thing into that port and been even more confused.
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