From: William Chen (kwchen@netvigator.com)
Date: Wed Mar 10 2004 - 21:13:37 GMT-3
I remember that I have done a lab in a workbook that I was asked to block
multicast by setting the storm-control level to 0. After I entered that
command, I don't see broadcast and unicast traffic be blocked. I wonder if
it is an exceptional case.
Best Regards,
William Chen
----- Original Message -----
From: "Brian Dennis" <bdennis@internetworkexpert.com>
To: "'David Hurtado'" <dei2viccie@hotmail.com>; <ccielab@groupstudy.com>
Sent: Thursday, March 11, 2004 7:51 AM
Subject: RE: "storm-control" question
>
http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/12119ea1/3550scg/s
> wtrafc.htm#1156495
>
> <DocCD>
> When the rate of multicast traffic exceeds a set threshold, all incoming
> traffic (broadcast, multicast, and unicast) is dropped until the level
drops
> below the threshold level. Only spanning-tree packets are forwarded. When
> broadcast and unicast thresholds are exceeded, traffic is blocked for only
> the type of traffic that exceeded the threshold.
> </DocCD>
>
> Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)
> bdennis@internetworkexpert.com
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
> Toll Free: 877-224-8987
> Direct: 775-745-6404 (Outside the US and Canada)
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> David Hurtado
> Sent: Wednesday, March 10, 2004 11:25 AM
> To: ccielab@groupstudy.com
> Subject: "storm-control" question
>
> Hello everybody,
>
> When using the storm-control command you can specify a rate limit for
> incoming broadcast, multicast and unicast packets.
>
> The Doc CD explains that if some kind of traffic exceeds the threshold,
all
> the traffic of this kind will be dropped.
>
> In a workbook i have read that if the multicast threshold is exceeded, all
> traffic of any kind(broadcast, multicast and unicast) will be dropped.
>
> Could somebody tell me which one is correct? Who should i trust on?
>
> Thanks
>
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