I am having very similar issues with two different hardware platforms.  
Interestingly, I have found that my 220R configured with zones works perfectly, 
with no unresponsiveness, no lag times.

I notice these connectivity issues when using ssh, remote dtlogin, and telnet. 
Pings are mostly dropped from global zone to non-global zones.

I have configured V240, V880, and a 220R each with three non-global zones.  
These
are whole zones, but I find no differences with sparse zones.  I've made minimal
configuration of these zones.

My suspicions are that the bge and eri device drivers would be a source of these
issues.  The 220R has an hme device.

Can anyone provide any suggestions?

Daniel

> Alastair Neil wrote On 08/22/06 10:49,:
> > 
> > 
> > On 8/22/06, *Steffen Weiberle*
> <[EMAIL PROTECTED] 
> > <mailto:[EMAIL PROTECTED]>> wrote:
> > 
> >     Hi Alastair,
> > 
> >     Alastair Neil wrote On 08/22/06 08:59,:
> >      > Hi I have a Sunfire V440 with 2 processors
> and 10Gbytes of memory
> >     I have
> >      > configured eight zones all using the second
> ce interface
> >     ce1.  The port
> >      > is connected to a nortel buisiness policy
> switch running at
> >     100Mbs/full
> >      > duplex.  I am seeing unacceptible levels of
> packet loss to the
> >     systems.
> >      > With all the zones booted and idle we get
> around 5-6% loss which can
> >      > climb to 50-60% with activity.  One of these
> zones will run
> >     apache2, the
> >      > rest will be running tomcat.
> > 
> >     If things are idle, what data are you loosing?
> > 
> > Ok totally idle is perhaps an exaggeration, I
> noticed the symptoms when 
> > typing in an ssh session, periods where the systems
> appeared hung.  I 
> > then started mtr from my linux workstation and left
> it running and 
> > noticed that when idle the reported packet loss was
> averaging 5%, but 
> > once I started a ssh session it escalated quickly.
> 
> Not sure if both connections are to the same
> interface or IP address.
> 
> >
> >     kstat -m ce0 and separately, ce1 might show
> something.
> > 
> > any parameters in particular of interest? It show
> full duplex for both 
> > interfaces, I am having the network guys verify
> that that is what the 
> > switch ports are running too.
> 
> I don't have access to a CE interface, so I don't
> know what i'd be 
> looking at 'til I see it.
> 
> ndd /dev/ce might be good as well. you would need to
> set the instance 
> to 0 and then to 1 to get all the data. I am looking
> for link partner 
> status--is the other end negotiating or not.
> 
> > 
> > I should note I see this packet loss on both
> interfaces, ip_forwarding 
> > and ip_strict_dst_multihoming are both 0.
> 
> These setting should have no effect, both interfaces
> are on the same 
> subnet. That said, you have local-mac-address?=false
> in eeprom. So 
> both ce0 and ce1 have the same MAC address. Some
> switches get confused 
> by that. Not sure how a Nortel switch of your type
> behaves in that 
> scenario. But the symptom if there is a problem is
> that the switch 
> ping-pongs back and forth between the two interfaces
> as host 
> 0:3:ba:74:56:cb, and as such ethernet frames may get
> dropped on the floor.
> 
> Easy was to see if that fixes it is to 'ifconfig ce1
> ether 
> 0:3:ba:74:56:cc', incrementing the lowest octet by 1
> (temporarily)
> 
> Steffen
> 
> > 
> >     Where and how are you measuring this loss?
> > 
> >      >
> >      > I would appreciate any assitance as I am new
> to zones.  Is this
> >      > configuration excessive for the hardware?
> > 
> >     Theoretically no. I had a customer run 3,000
> netscape 2.x instances on
> >     an E4000 running 2.5.1 years ago. Business
> level service with SLAs. So
> >     without metrics this configuration seems fine.
> > 
> >     Steffen
> > 
> >     Totally unrelated to zones, the first thing
> that comes to mind is
> >     auto-negotation mis-match. But that is pure
> speculation on my part
> >     based on other network performance problems
> folks have had.
> > 
> >      >
> >      > rgds, Alastair Neil
> >      >
> >      > Here is the output from ifconfig -a:
> >      >
> >      >     -bash-3.00# ifconfig -a
> >      >
> >      >     lo0:
> flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VI
> RTUAL>
> >      >     mtu 8232 index 1
> >      >             inet 127.0.0.1
> <http://127.0.0.1> <http://127.0.0.1>
> >     netmask ff000000
> >      >     lo0:1:
> >
> 
> lags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIR
> TUAL>
> >      >     mtu 8232 index 1
> >      >             zone apps-inst
> >      >             inet 127.0.0.1
> <http://127.0.0.1> <http://127.0.0.1>
> >     netmask ff000000
> >      >     lo0:2:
> >
> 
> lags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIR
> TUAL>
> >      >     mtu 8232 index 1
> >      >             zone apps-SWE432
> >      >             inet 127.0.0.1
> <http://127.0.0.1> <http://127.0.0.1>
> >     netmask ff000000
> >      >     lo0:3:
> >
> 
> lags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIR
> TUAL>
> >      >     mtu 8232 index 1
> >      >             zone hermes-web
> >      >             inet 127.0.0.1
> <http://127.0.0.1> <http://127.0.0.1>
> >     netmask ff000000
> >      >     lo0:4:
> >
> 
> lags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIR
> TUAL>
> >      >     mtu 8232 index 1
> >      >             zone apps
> >      >             inet 127.0.0.1
> <http://127.0.0.1> <http://127.0.0.1>
> >     netmask ff000000
> >      >     lo0:5:
> >
> 
> lags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIR
> TUAL>
> >      >     mtu 8232 index 1
> >      >             zone apps-SWE632
> >      >             inet 127.0.0.1
> <http://127.0.0.1> <http://127.0.0.1>
> >     netmask ff000000
> >      >     lo0:6:
> >
> 
> lags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIR
> TUAL>
> >      >     mtu 8232 index 1
> >      >             zone apps-SWE642
> >      >             inet 127.0.0.1
> <http://127.0.0.1> <http://127.0.0.1>
> >     netmask ff000000
> >      >     lo0:7:
> >
> 
> lags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIR
> TUAL>
> >      >     mtu 8232 index 1
> >      >             zone apps-SWE645
> >      >             inet 127.0.0.1
> <http://127.0.0.1> <http://127.0.0.1>
> >     netmask ff000000
> >      >     lo0:8:
> >
> 
> lags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIR
> TUAL>
> >      >     mtu 8232 index 1
> >      >             zone apps-IT314
> >      >             inet 127.0.0.1
> <http://127.0.0.1> <http://127.0.0.1>
> >     netmask ff000000
> >      >     ce0:
> flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4>
> mtu 1500
> >      >     index 2
> >      >             inet 129.174.94.22
> <http://129.174.94.22>
> >     <http://129.174.94.22> netmask ffffff00
> >      >     broadcast 129.174.94.255
> <http://129.174.94.255>
> >     <http://129.174.94.255>
> >      >             ether 0:3:ba:74:56:cb
> >      >     ce1:
> flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4>
> mtu 1500
> >      >     index 3
> >      >             inet 0.0.0.0 <http://0.0.0.0>
> <http://0.0.0.0>
> >     netmask ff000000 broadcast
> >      >     0.255.255.255 <http://0.255.255.255> <
> http://0.255.255.255>
> >      >             ether 0:3:ba:74:56:cb
> >      >     ce1:1:
> flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4>
> mtu
> >     1500
> >      >     index 3
> >      >             zone apps-inst
> >      >             inet 129.174.94.32
> <http://129.174.94.32>
> >     <http://129.174.94.32> netmask ffffff00
> >      >     broadcast 129.174.94.255
> <http://129.174.94.255> <
> >     http://129.174.94.255>
> >      >     ce1:2:
> flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4>
> mtu
> >     1500
> >      >     index 3
> >      >             zone apps-SWE432
> >      >             inet 129.174.94.35
> <http://129.174.94.35>
> >     <http://129.174.94.35> netmask ffffff00
> >      >     broadcast 129.174.94.255
> <http://129.174.94.255>
> >     <http://129.174.94.255 <http://129.174.94.255>>
> >      >     ce1:3:
> flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4>
> mtu
> >     1500
> >      >     index 3
> >      >             zone hermes-web
> >      >             inet 129.174.94.33
> <http://129.174.94.33>
> >     <http://129.174.94.33> netmask ffffff00
> >      >     broadcast 129.174.94.255
> <http://129.174.94.255>
> >     <http://129.174.94.255>
> >      >     ce1:4:
> flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4>
> mtu
> >     1500
> >      >     index 3
> >      >             zone apps
> >      >             inet 129.174.94.34
> <http://129.174.94.34> <
> >     http://129.174.94.34> netmask ffffff00
> >      >     broadcast 129.174.94.255
> <http://129.174.94.255>
> >     <http://129.174.94.255>
> >      >     ce1:5:
> flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4>
> mtu
> >     1500
> >      >     index 3
> >      >             zone apps-SWE632
> >      >             inet 129.174.94.36
> <http://129.174.94.36>
> >     <http://129.174.94.36> netmask ffffff00
> >      >     broadcast 129.174.94.255
> <http://129.174.94.255>
> >     <http://129.174.94.255>
> >      >     ce1:6:
> flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4>
> mtu
> >     1500
> >      >     index 3
> >      >             zone apps-SWE642
> >      >             inet 129.174.94.37
> <http://129.174.94.37>
> >     <http://129.174.94.37> netmask ffffff00
> >      >     broadcast 129.174.94.255
> <http://129.174.94.255>
> >     <http://129.174.94.255>
> >      >     ce1:7:
> flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4>
> mtu
> >     1500
> >      >     index 3
> >      >             zone apps-SWE645
> >      >             inet 129.174.94.38
> <http://129.174.94.38>
> >     <http://129.174.94.38> netmask ffffff00
> >      >     broadcast 129.174.94.255
> <http://129.174.94.255>
> >     <http://129.174.94.255>
> >      >     ce1:8:
> flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4>
> mtu
> >     1500
> >      >     index 3
> >      >             zone apps-IT314
> >      >             inet 129.174.94.39
> <http://129.174.94.39>
> >     <http://129.174.94.39> netmask ffffff00
> >      >     broadcast 129.174.94.255
> <http://129.174.94.255> <
> >     http://129.174.94.255>
> >      >
> >      >
> >      >
> >      >
> >
> 
> ------------------------------------------------------
> -----------------
> >      >
> >      >
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> <mailto:zones-discuss@opensolaris.org>
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> > 
> > 
> > 
> >
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> ------------------
> > 
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