bridge / ubuntu / no arp reply

[François Chenais <francois.chenais@xxxxxxxxx>]

Hello

I'm trying to setup a bridged guest on an ubuntu 13.10 but it doesn't work.

(Everything is ok with NAT)

Network sniffing shows that arp replies don't come back to the guest.


Test 1
------

Guest : ping host_bridge_ip   (ok)

Test 2
------

Guest: ping other_lan_host (KO)

     other_lan_host

            - receives arp who-is request

            - sends arp reply

            - arp -a   shows the guest macaddr

           

     => Guest doesn't receive reply

Test 3
------

other_lan_host ping the Guest   (KO)

   - arp -a shows "incomplete" addr 

   - Guest receives nothing

On Host
-------

network tcpdump on bridge or vnet interfaces shows request but no reply ...

Thanks in advance for help or ideas

    François

 

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