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xen-users
[Xen-users] domU networking problem (corrected with more data)
[oops - hit send before adding details about latest test]
Hi Folks,
I have a DomU that was working just fine, but now it seems unable to
obtain a network address.
On boot, I'm getting a series of DHCPDISCOVER messages in the log,
followed by "No DHCPOFFERS received."
But... the router/dhcpserver seems to be working:
- other machines on the same LAN are picking up addresses
- I released and then renewed Dom0's lease, and it worked just fine
But now, after a reboot, the DomU no longer seems to be able to reach
the DHCP server.
Just to make things even weirder, I just created a clean DomU, and IT
can't pick up an IP address either.
I'm guessing that something I installed in Dom0 (xnest possibly) messed
up something about my virtual networking configuration - but I can't
figure out what.
Any suggestions on what might be going on, or how to diagnose things?
I'm not completely clear on all the various steps a DHCPDISCOVER message
goes through - as it flows through all the virtual networking "stuff" -
particularly before an IP address is assigned and everything is at the
virtual ethernet level.
Thanks Very Much,
Miles Fidelman
--
In theory, there is no difference between theory and practice.
In<fnord> practice, there is. .... Yogi Berra
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