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[Xen-users] Finally moving to xen 3

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: "Frank DiRocco" <ofanged1@xxxxxxxxx>
  • Date: Sat, 25 Mar 2006 18:27:48 -0500
  • Delivery-date: Sat, 25 Mar 2006 23:29:24 +0000
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Ok, so I finally feel confident with xen2. Therefore, i have now completely confused myself by moving on the xen3. I set up a debian sarge machine with one network interface configured via dhcp. If I understand corectly, first eth0 is started by system boot process. It gets its address via dhcp. Then xend creates xenbr0, I may be mistaken but I have compared xenbr0 to a switch in my mind. Now eth0 is brought down. The IP and MAC from the "real" eth0 are now copied to veth0. The now down "real" eth0 is renamed peth0. The veth0 which is a clone of the "real" eth0 is renamed to eth0. So, my dom0 should think the "new" eth0 is the original eth0 and use it for network traffic.

eth0 -----------------------------------------------------------dom0

eth0 -------------------------------[xenbr0]


peth0 -----------------------------[xenbr0]

peth0 -----------------------------[xenbr0]

I think I understand the theory behind the way the virtual networking works, but when I log in and ifconfig I see peth0 vif0.0 xenbr0 but I don't see eth0 and networking doesn't werk. I have tried ifconfig eth0 up and I do get an address via dhcp, but still have no network access. It was my understanding that the "new" eth0 would be brought up automagicly, but this does not seem to be the case with my mess. Thanks in advance for shining light this way.

Thank you,
Frank  Di Rocco

"Does an optimistic person look at a hard drive as half-full or half-empty?" -ofanged1-at-gmail.com
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