Re: [Xen-users] Bridging + NAT

[Laurent Pointal <laurent.pointal@xxxxxxxx>]

Yet another test...

On domU:
========

melodie:~# route del default gw 192.168.21.11
melodie:~# route add default eth1
melodie:~# route -n
Kernel IP routing table
Destination     Gateway Genmask         Flags Metric Ref    Use Iface
129.175.152.252 0.0.0.0 255.255.255.255 UH    0      0        0 eth1
192.168.21.254  0.0.0.0 255.255.255.255 UH    0      0        0 eth0
192.168.21.0    0.0.0.0 255.255.255.0   U     0      0        0 eth0
192.168.21.0    0.0.0.0 255.255.255.0   U     0      0        0 eth1
129.175.152.0   0.0.0.0 255.255.248.0   U     0      0        0 eth0
0.0.0.0         0.0.0.0 0.0.0.0         U     0      0        0 eth1

melodie:~# apt-get update
Err ftp://debian.ens-cachan.fr stable/main Packages
  Could not connect to debian.ens-cachan.fr:21 (138.231.176.11). -
connect (113 No route to host)
Err ftp://debian.ens-cachan.fr stable/main Release
  Could not connect to debian.ens-cachan.fr:21 (138.231.176.11). -
connect (113 No route to host)
Err http://security.debian.org stable/updates/main Packages
  Could not connect to security.debian.org:80 (128.101.80.133). -
connect (113 No route to host) [IP: 128.101.80.133 80]
Err ftp://debian.ens-cachan.fr stable/main Sources
  Could not connect to debian.ens-cachan.fr:21 (138.231.176.11). -
connect (113 No route to host)
Err ftp://debian.ens-cachan.fr stable/main Release
  Could not connect to debian.ens-cachan.fr:21 (138.231.176.11). -
connect (113 No route to host)
Err http://http.us.debian.org stable/main Packages
  Could not connect to http.us.debian.org:80 (64.50.238.52). - connect
(113 No route to host) [IP: 64.50.238.52 80]
0% [Connecting to http.us.debian.org (128.101.80.133)] [Connecting to
security.d




And corresponding tcpdump on dom0:
==================================

psaume:~# tcpdump  -i vif1.1
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on vif1.1, link-type EN10MB (Ethernet), capture size 96 bytes
11:00:36.147902 arp who-has klecker.debian.org tell 192.168.21.11
11:00:36.155867 arp who-has debian-mirror.cs.umn.edu tell 192.168.21.11
11:00:36.156858 arp who-has webb.ens-cachan.fr tell 192.168.21.11
11:00:37.147778 arp who-has klecker.debian.org tell 192.168.21.11
11:00:37.147779 arp who-has debian-mirror.cs.umn.edu tell 192.168.21.11
11:00:37.147795 arp who-has webb.ens-cachan.fr tell 192.168.21.11
11:00:38.147716 arp who-has klecker.debian.org tell 192.168.21.11
11:00:38.147716 arp who-has debian-mirror.cs.umn.edu tell 192.168.21.11
11:00:38.147717 arp who-has webb.ens-cachan.fr tell 192.168.21.11
11:00:39.157652 arp who-has tartini.debian.org tell 192.168.21.11
11:00:39.157653 arp who-has mirrors1.kernel.org tell 192.168.21.11
11:00:39.157672 arp who-has webb.ens-cachan.fr tell 192.168.21.11
11:00:40.157584 arp who-has tartini.debian.org tell 192.168.21.11
11:00:40.157585 arp who-has mirrors1.kernel.org tell 192.168.21.11
11:00:40.157601 arp who-has webb.ens-cachan.fr tell 192.168.21.11
11:00:41.157517 arp who-has tartini.debian.org tell 192.168.21.11
11:00:41.157518 arp who-has mirrors1.kernel.org tell 192.168.21.11
11:00:41.157535 arp who-has webb.ens-cachan.fr tell 192.168.21.11
11:00:42.167507 arp who-has debian-mirror.cs.umn.edu tell 192.168.21.11
11:00:42.167508 arp who-has rama.progeny.com tell 192.168.21.11
11:00:42.167509 arp who-has webb.ens-cachan.fr tell 192.168.21.11
11:00:43.167388 arp who-has debian-mirror.cs.umn.edu tell 192.168.21.11
11:00:43.167389 arp who-has rama.progeny.com tell 192.168.21.11
11:00:43.167389 arp who-has webb.ens-cachan.fr tell 192.168.21.11
11:00:44.167322 arp who-has debian-mirror.cs.umn.edu tell 192.168.21.11
11:00:44.167322 arp who-has rama.progeny.com tell 192.168.21.11
11:00:44.167323 arp who-has webb.ens-cachan.fr tell 192.168.21.11



Why doesn't packets start going throught domU eth1 ???



-- 
Laurent POINTAL
CNRS-LIMSI dépt. CHM, groupes AMI et PS
Courriel: laurent.pointal@xxxxxxxx    (prof)
          laurent.pointal@xxxxxxxxxxx (perso)
Ouebe: http://www.limsi.fr/Individu/pointal/
Tél. 01 69 85 81 06 (prof)
Fax. 01 69 85 80 88



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