From: Richard Dumoulin (richard.dumoulin@vanco.es)
Date: Thu Jul 01 2004 - 06:25:22 GMT-3
I don't think you can, but if your ospf traffic is more than 20% of 10Megs
then you have problems and you would better fine tune your igp instead of
trying to control the multicast rate,
--Richard
-----Original Message-----
From: k c [mailto:jwongccie@yahoo.com.hk]
Sent: jueves, 01 de julio de 2004 11:13
To: Richard Gallagher
Cc: ccielab@groupstudy.com
Subject: Re: Control Multicast Traffic
Then how can I control multicast storm but without affecting the ospf
process assuming the following configuration:
R1 --- Cat35 (vlan 4) ---- R2.
f0/1(vlan4) --> R1
f0/2(vlan4) --> R2
f0/3-4(vlan4) --> other routers
Thanks
Richard Gallagher <rgallagh@cisco.com> wrote:
When you reach the limit for multicast, all traffic (broadcast + unicast
too) will be dropped until the mcast traffic falls below the configured
level:
http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/12120ea2/3550scg/s
wtrafc.htm#wp1174641
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.
Rich
On Thu, 2004-07-01 at 09:44, k c wrote:
> Hi Group,
>
> In Cat3550, if I use "storm-control multicast level 20" to control
> multicast storm. When the multicast traffic exceed the threshold, they
> are dropped so as the ospf packets? Any method to control multicast
> traffic but not affecting ospf process?
>
> Thanks.
>
>
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