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xen-users
Re: [Xen-users] Networking problem DHCP
Luciano Barreto wrote:
Hi dudes, I'm having a problem with dhcp network. I'm using OpenSuse
11.4 with Xen 4.0, default configuration. When I use my personal
router (wireless router) I can start my 3 vms getting ip address and
the comunication is ok. But now I'm trying to use it on my
academical network (dhcp server fixed by MAC). The problem is, just
the first 2 vms got ip address and comunicate with other computer on
the network or to the internet, the third started vm don't get ip or
comunicate even if I put it manualy. I asked to sysadmin verify and
he said that there are no problem with firewall.
Example, if I start vm1, vm2 and finally vm3, vm1 and vm2 get ip and
the vm3 not. If I change, start vm3, vm2 and vm1, the vm1 don't get
ip or comunicate.
I would suggest you fire up wireshark in Dom0 and monitor for DHCP
traffic while you start the guests.
My best guess is that your academic network might be applying
per-port limits on IP addresses and you are only allowed 3 at one
time - and are using them all (1 for Dom0, two for DomUs). It might
be worth asking the admins if they apply any such limits.
--
Simon Hobson
Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.
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