Am 29.09.2009 21:48, schrieb Volker A. Brandt:
>> I'm using LACP on 2 Intel NIC's 
>> # dladm show-phys
>> LINK         MEDIA                STATE      SPEED  DUPLEX    DEVICE
>> e1000g1      Ethernet             up         1000   full      e1000g1
>> e1000g0      Ethernet             up         1000   full      e1000g0
>> # dladm show-aggr
>> LINK            POLICY   ADDRPOLICY           LACPACTIVITY  LACPTIMER   FLAGS
>> aggr1           L4       auto                 active        short       -----
>>
>> On top of that I'm using VLAN's (vnic's with vlan option) to do security 
>> separation between network segments.
>>
>> # dladm show-vnic
>> LINK         OVER         SPEED  MACADDRESS        MACADDRTYPE    VID
>> xvm3_0       aggr1        1000   0:16:36:72:ff:cf  fixed          11
>> xvm4_0       aggr1        1000   0:16:36:72:ff:d1  fixed          11
>> wifi0        aggr1        1000   2:8:20:49:a6:9e   random         20
>> wan0         aggr1        1000   2:8:20:cc:43:e1   random         99
>> public0      aggr1        1000   2:8:20:a5:39:fa   random         100
>> server0      aggr1        1000   2:8:20:16:ae:a2   random         11
>> xvm27_0      aggr1        1000   0:16:36:72:ff:df  fixed          11
>>
>> As I recall I was unable to get network traffic running for HVM guests 
>> (Windows, FreeBSD, Debian) when using the vlan option for vif-vnic. 
>> Using tcpdump in the domU I verified that the domU was receiving traffic
>> and sending traffic (arp requests and responses) but I never saw them in
>> dom0.
> 
> These symptoms seem to be different from mine: my HVM guests work OK, 
> the PVM guest NetBSD does so, too (more or less :-), just the PVM domU
> CentOS 5.3 consistently does not.  Over a single physical link, everything
> is fine.
> 
>>  Creating a static arp on the domU for another host on the same
>> vlan enabled me to ping that host with a RTT of 0.000ms.
> 
> Will try that RSN.
> 
>> Anyway I finally gave up and started using etherstub's and routing on 
>> dom0 instead. Not optimal but at least it works.
> 
> This sounds a bit more complicated, so I'll leave that for later.
>>
>> BTW It works perfectly for debian-lenny pv domU's. Hopefully it will
>> work for FreeBSD's XEN port when/if that ever happens....
> 
> NetBSD is pretty good in that regard. I wish they had a ZFS port
> and an NFSv4 port. :-)
Uhm, worth to give opensolaris a try?

Florian
> 
> 
> Regards -- Volker


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