[ kvm-Bugs-2519737 ] DHCP/NAT: Vista fails to get IP from NAT engine

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Bugs item #2519737, was opened at 2009-01-19 14:07
Message generated for change (Comment added) made by jessorensen
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Category: None
Group: None
>Status: Closed
>Resolution: Fixed
Priority: 5
Private: No
Submitted By: Technologov (technologov)
Assigned to: Nobody/Anonymous (nobody)
Summary: DHCP/NAT: Vista fails to get IP from NAT engine

Initial Comment:

Host: Fedora7/x64, KVM-83, Intel Core 2
Guest: Windows Vista 32-bit

Problem: When I use userspace networking - Qemu NAT engine with DHCP - Vista VM fails to reconginze it.

The only way for Vista to work is to manually set IP address:
IP: 10.0.2.2
Gateway: 10.0.2.15
DNS: 10.0.2.3

This problem does not happen with Windows XP VM.
It happens with older KVMs too... tested since KVM-75...

./qemu-kvm -hda /isos/disks-vm/alexeye/WindowsVista-32-mypc.qcow2 -m 512 -snapshot -name Vista-32-mypc

-Alexey, 19.1.2008.

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>Comment By: Jes Sorensen (jessorensen)
Date: 2011-03-03 11:09

Message:
Fixed per post of 2009-01-21 - closing

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Comment By: Dor Laor (thekozmo)
Date: 2009-01-21 08:42

Message:
Avi just fixed it in qemu. You can take the patch with this subject:
"[Qemu-devel] [PATCH] Use broadcast address for slirp dhcp replies"

----------------------------------------------------------------------

Comment By: Daniel van Vugt (danv)
Date: 2009-01-21 08:06

Message:
I've found this problem is common (but not consistent) on both Vista and
Windows 7 guests, using kvm-82 and kvm-83, with rtl8139, e1000 or virtio.
There's something about these specific Windows releases that breaks with
KVM/QEMU DHCP.

----------------------------------------------------------------------

Comment By: Technologov (technologov)
Date: 2009-01-19 16:35

Message:
Since this also happens with -no-kvm , I opened a similar bug in Qemu
bugzilla:
https://bugs.launchpad.net/qemu/+bug/318824

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Comment By: Technologov (technologov)
Date: 2009-01-19 16:25

Message:
Same happens with -no-kvm (Qemu) and with e1000 NIC (instead of RTL8139).

----------------------------------------------------------------------

Comment By: Technologov (technologov)
Date: 2009-01-19 14:08

Message:
btw: NAT itself works - after IPs are manually configured. Emulated NIC is
RTL8139.

----------------------------------------------------------------------

You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2519737&group_id=180599
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