WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-bugs

[Xen-bugs] [Bug 753] bonding + vlans + bridging

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=753





------- Comment #13 from kfh.xen@xxxxxx  2006-11-28 05:54 -------
(In reply to comment #12)
> Hi,
> 
> I believe your problem is as follows,
> veth0 sends arp-request for ex. IP 1.2.3.4 to mac broadcast.
> vlanXXX-br forwards the frame and marks "veth0 mac" as belonging to vif0.0
> port.
> bond0 sends the frame through ex. eth0.
> The switch connected to eth0 floods all ports except the incoming port (eth0),
> and marks "veth0 mac" as belonging to eth0 port.
> The flood includes the eth1 port.
> The bridge vlanXXX-br forwards the frame and marks "veth0 mac" as belonging to
> vlanXXX port.
> 
> The destination (1.2.3.4) sends arp reply to "veth0 mac".
> The switch connected to eth0/eth1, sends the reply to the eth0 port.
> The bridge vlanXXX-br blocks the frame as it believes the destination belongs
> to vlanXXX port.

You can verify the above as follows:
Make sure domU net is quiet...

In dom0 "watch -n 1 brctl showmacs vlanXXXX-br".
Note the port containing "vif0.0 mac".
In domU "ping non-existing-addr-on-domU-lan" on other console/xterm/...
If you see "veth0 mac" on other port than "vif0.0 mac", the patches from
comment #12 helps

Regards,
/Kristian Høgh


-- 
Configure bugmail: 
http://bugzilla.xensource.com/bugzilla/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug, or are watching the assignee.

_______________________________________________
Xen-bugs mailing list
Xen-bugs@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-bugs

<Prev in Thread] Current Thread [Next in Thread>