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тАО05-11-2005 02:57 AM
тАО05-11-2005 02:57 AM
DECnet+ copy very slow
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тАО05-11-2005 03:16 AM
тАО05-11-2005 03:16 AM
Re: DECnet+ copy very slow
does MC LANCP SHOW DEV/COUNTER show any errors at the LAN interface level ?
What's the auto-negotiation setting on the DS15 and the switch ? Ideally, both should be turned off and set to the same fixed speed and duplex mode to minimize problems.
Volker.
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тАО05-11-2005 03:27 AM
тАО05-11-2005 03:27 AM
Re: DECnet+ copy very slow
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тАО05-11-2005 03:32 AM
тАО05-11-2005 03:32 AM
Re: DECnet+ copy very slow
do these error counters INCREASE, while you are copying a file and it seems slow ?
Are you really sure, that the switch is set to fixed speed and the same duplex setting as the NIC in the DS15 ?
There should be no frame-level errors between the switch port and the NIC in the DS15.
Volker.
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тАО05-11-2005 03:35 AM
тАО05-11-2005 03:35 AM
Re: DECnet+ copy very slow
Do the error counters increase during the slow transfer ?
Is the performance of FTP as slow as the one in decnet ?
Wim
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тАО05-11-2005 03:50 AM
тАО05-11-2005 03:50 AM
Re: DECnet+ copy very slow
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тАО05-11-2005 03:53 AM
тАО05-11-2005 03:53 AM
Re: DECnet+ copy very slow
http://support.3com.com/infodeli/tools/netmgt/tncsunix/product/091500/c11ploss.htm
Wim
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тАО05-11-2005 04:01 AM
тАО05-11-2005 04:01 AM
Re: DECnet+ copy very slow
I'm pretty sure, that the switch port is set to auto-negotiation. This is the most 'popular' error found when receiving complaints about 'slow network file transfer' - especially in new installations (or after changing network equipment/connections).
Have your network person tell you the MAC address, which the switch reports on this port and verify that information with the current LAN address from LANCP> SHOW DEV/CHAR EIA0 - then you know you're talking about the correct switch port.
Volker.
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тАО05-11-2005 04:03 AM
тАО05-11-2005 04:03 AM
Re: DECnet+ copy very slow
http://www.mug.jhmi.edu/mirrors/InfoAlley/0896/08/physical.html
Purely Personal Opinion
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тАО05-11-2005 04:04 AM
тАО05-11-2005 04:04 AM
Re: DECnet+ copy very slow
You can experiment by changing the NIC speed and mode with:
$ mc lancp set device /autonegotiate /speed= /full_duplex
(see mc lancp help set device)
First I will try to set the NIC to auto which is the default on new switches and the only option on unmanaged switches.
When you get the right settings you can set the speed and mode in SRM console (my preffered) or with mc lancp set device /permanent or arrange with the switch administrator to set properly the switch port.
Bojan