Re: macvlan device blocks traffic for 30 secs

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Jan Engelhardt wrote:
> On Thursday 2010-02-25 17:54, Patrick McHardy wrote:
>> Jan Engelhardt wrote:
>>> it's a while since I have last toyed with macvlan, but for some 
>>> experimenting, it came up as something usable again. What I noticed 
>>> while testing:
>>>
>>> guest# ip link add link eth0 name mqv0 type macvlan
>>> guest# ip link set dev mqv0 up
>>>
>>> At this point, any connections drop for a specific amount of time.
>>>
>>> host$ ping 192.168.100.101
>>> PING 192.168.100.101 (192.168.100.101) 56(84) bytes of data.
>>> 64 bytes from 192.168.100.101: icmp_seq=1 ttl=64 time=4.87 ms
>>> 64 bytes from 192.168.100.101: icmp_seq=2 ttl=64 time=0.353 ms
>>> 64 bytes from 192.168.100.101: icmp_seq=3 ttl=64 time=0.341 ms
>>> 64 bytes from 192.168.100.101: icmp_seq=4 ttl=64 time=0.335 ms
>>> 64 bytes from 192.168.100.101: icmp_seq=5 ttl=64 time=0.345 ms
>>> 64 bytes from 192.168.100.101: icmp_seq=6 ttl=64 time=0.378 ms
>>> 64 bytes from 192.168.100.101: icmp_seq=7 ttl=64 time=0.283 ms
>>> 64 bytes from 192.168.100.101: icmp_seq=8 ttl=64 time=0.372 ms
>>> 64 bytes from 192.168.100.101: icmp_seq=37 ttl=64 time=5.04 ms
>>> 64 bytes from 192.168.100.101: icmp_seq=38 ttl=64 time=0.291 ms
>>>
>>> and I am not quite sure why that is. The ARP entries don't change.
>>> Can you reproduce this?
>> No, this works fine here. It might be related to filter reprogramming
>> of the NIC. Which driver are you using?
> 
> tap0 on one the host, e1000 inside the virtualbox.

I have no idea about virtualbox. I guess it might be related to
bridging.
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