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тАО08-25-2009 09:56 PM
тАО08-25-2009 09:56 PM
Excessive broadcast errors
We are getting complaints about slow access from some users who connected these switches, can this cause to this problem?
Regards,
Naidu.
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тАО08-26-2009 06:09 AM
тАО08-26-2009 06:09 AM
Re: Excessive broadcast errors
Broadcasts can definately cause a slowdown.
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тАО08-26-2009 06:19 AM
тАО08-26-2009 06:19 AM
Re: Excessive broadcast errors
Hi Johan,
Thanks for your response.
Ok, may be some user PC have bad NIC as we are getting these alerts on particular ports, in that way we can get which user PC have bad NIC if your advice correct, am i right?
But the same environment was running from past 2 yrs.
There is no any VLAN all are in same subnet.
Thanks in advance, please help me as the location is the HW for our business and users complaining like anything.
Regards,
Naidu.
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тАО08-27-2009 07:07 AM
тАО08-27-2009 07:07 AM
Re: Excessive broadcast errors
1) disconnect one segment at a time from the switch until the runaway broadcasts disappear.
2) configure a mirror port on your switch and connect a sniffer to it to identify the MAC that is excessively broadcasting.
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тАО09-17-2009 10:09 PM
тАО09-17-2009 10:09 PM
Re: Excessive broadcast errors
Disconnect of end user PC may not be possible as they are very busy to get their daily job done.
The one you suggest "mirror port and sniffer connect to identify the MAC i.e., excessively broadcasting. Can you please give me the step by step for port mirror as I am new to HP environment.
And which is the good sniffer.
Thanks in advance.
Regards,
Naidu.
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тАО09-18-2009 07:08 AM
тАО09-18-2009 07:08 AM
Re: Excessive broadcast errors
In terms of setting up a mirror port on a Procurve -- I've never done it (I work with Ciscos and Extremes exclusively), but I think the following URL seems to have a decent setup routine:
http://www.tek-tips.com/viewthread.cfm?qid=1223233&page=6
As for a sniffer, download a copy of WireShark.