[Xen-users] networking delays?

["Ulrich Windl" <ulrich.windl@xxxxxxxxxxxxxxxxxxxx>]

Hi,

I'm noticing strange responses if I do this

PC(Windows) --SSH--> Host1.Dom0 --SSH--> Host2.Dom0 --SSH-->Host2.DomU

Some commands like "ipcs" seem to take almost a minute while I see no output, 
and 
I seem unable to abort the command, but suddenly the command finishes. It looks 
to 
me like packets are held back for deleivery. Does that sound plausible?

For the first step, PC(Windows) --SSH--> Host1.Dom0, everything seems to run 
rather normal, and it gets worse for every hop. I' sure I'm not hitting a CPU 
limit, because each Dom0 has four 2.6GhZ Opterons, and each DomU has at least 
two 
of those. There's also about no I/O load (neither network load).

XEN being used is that of SLES10 for EMT64 (xen-3.0.2_09763-0.8)

Regards,
Ulrich


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