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тАО11-08-2007 12:56 AM
тАО11-08-2007 12:56 AM
Re: MCR LANCP SHOW DEVICE /ALL /COUNT -> Data overruns
The driver is:
image name: "SYS$EIDRIVER"
image file identification: "X-42"
image file build identification: "XA99-0060111012"
link date/time: 3-AUG-2005 15:20:02.50
linker identification: "A11-50"
which looks to be from VMS732_LAN-V0400.
I started with my existing VMS v7.2-2, upgraded to v7.3-2, applied VMS732_UPDATE-V1300 and then the 6 or so patches since.
I'll try the buffers.
Cheers,
Art
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тАО11-08-2007 01:36 AM
тАО11-08-2007 01:36 AM
Re: MCR LANCP SHOW DEVICE /ALL /COUNT -> Data overruns
there seem to be data overruns at a rate of 1% of all incoming frames. Is there an extreme amount of multicast/broadcast traffic on the switch ?
Volker.
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тАО11-08-2007 02:07 AM
тАО11-08-2007 02:07 AM
Re: MCR LANCP SHOW DEVICE /ALL /COUNT -> Data overruns
"Is the network heavily utilized? The buffers may need increasing."
It's a busy network and it's in a busy switch, but the ES47 is idle. I look this morning and each interface has ~10,000 data overruns.
Which buffers do you propose increasing? >>
Sorry for delayed response, was stuck in a meeting. I meant the receive buffers:
LANCP> SET/DEFINE DEV /MIN /MAX
Good luck.
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тАО11-08-2007 02:08 AM
тАО11-08-2007 02:08 AM
Re: MCR LANCP SHOW DEVICE /ALL /COUNT -> Data overruns
I have attached the switch port counters ... clean.
Art
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тАО11-08-2007 02:14 AM
тАО11-08-2007 02:14 AM
Re: MCR LANCP SHOW DEVICE /ALL /COUNT -> Data overruns
LANCP> SHOW DEV/COUNT will show the counters for the LAN devices. Counters will be shown for total and multicast traffic.
An ES47 should not have problem handling about 30-50 packets/sec - as the switch data seems to show - although they are averaged over 5 minutes, so there could well be spikes.
Volker.
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тАО11-08-2007 03:17 AM
тАО11-08-2007 03:17 AM
Re: MCR LANCP SHOW DEVICE /ALL /COUNT -> Data overruns
How high a value is "reasonable"?
Any downside to setting these buffers "very high"?
Art
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тАО11-08-2007 03:51 AM
тАО11-08-2007 03:51 AM
Re: MCR LANCP SHOW DEVICE /ALL /COUNT -> Data overruns
try to determine the average incoming packet rate from the LANCP counters. Do the Data overrun counters increase steadily or in bursts ? Try to record the counters every 10 seconds and determine, when they increment.
Specyfing too many buffers would just waste nonpaged pool, if they are not being used.
Volker.
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тАО11-09-2007 03:43 AM
тАО11-09-2007 03:43 AM
Re: MCR LANCP SHOW DEVICE /ALL /COUNT -> Data overruns
could you please provide the following counters:
$ MC LANCP SHO DEV/INT/DEBUG
Volker.
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тАО11-09-2007 03:53 AM
тАО11-09-2007 03:53 AM
Re: MCR LANCP SHOW DEVICE /ALL /COUNT -> Data overruns
BTW, I have logged a call w/HP and I'm working with Tony A. on this issue.
Thanks,
Art
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тАО11-09-2007 03:58 AM
тАО11-09-2007 03:58 AM
Re: MCR LANCP SHOW DEVICE /ALL /COUNT -> Data overruns
BTW, I have logged a call w/HP and I'm working with Tony A. on this issue
I know ;-)
Good luck,
Volker.