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Re: [Xen-users] Xen Installation without virtualization enabled in Bios

To: "s@l" <sal.bayat@xxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] Xen Installation without virtualization enabled in Bios
From: Brian Stempin <brian.stempin@xxxxxxxxx>
Date: Wed, 30 Jul 2008 14:32:41 -0400
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
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Two things come to mind:

1.  I'm not sure that the script you wrote will work correctly as-is.  Perhaps someone else would like to chime in on this, since my bash skills aren't great, but here's the usage info from the default network-bridge script:

# Usage:
#
# network-bridge (start|stop|status) {VAR=VAL}*
#
# Vars:
#
# bridge     The bridge to use (default ${netdev}).
# netdev     The interface to add to the bridge (default gateway device).
# antispoof  Whether to use iptables to prevent spoofing (default no).
#
# Internal Vars:
# pdev="p${netdev}"
# tdev=tmpbridge
#
# start:
# Creates the bridge as tdev
# Copies the IP and MAC addresses from pdev to bridge
# Renames netdev to be pdev
# Renames tdev to bridge
# Enslaves pdev to bridge
#
# stop:

# Removes pdev from the bridge
# Transfers addresses, routes from bridge to pdev
# Renames bridge to tdev
# Renames pdev to netdev
# Deletes tdev
#
# status:
# Print addresses, interfaces, routes


Based on the description above, I don't think that you're passing the correct variables to the script.

2.  You mentioned that the DomU was able to ping the Dom0, but not the outside world.  You might want to check a few basic network things, such as:
  • running brctl show to make sure that the bridges are being created correctly.
  • running route from within the DomU to make sure that it's gateway and subnet are set up correctly.
HTH
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