All things related to multicast

["Matthew E. Schmitz" <>]

Cisco is making releases available with a patch.  You don't need to 
re-evaulate what to run at this time - just run same version with the patch.  
If you are having trouble, contact your local account team.

John - I already sent your original  email off to your account team.  I 
wasn't sure from your original email that your present version of IOS was or 
was not giving you "good" multicast performance.  If you have specific issues 
please articulate them to me in email and I will make sure that someone 
addresses them.

For more information on the patch versions that matches your version of code 
please see:
http://www.cisco.com/warp/public/707/cisco-malformed-snmp-msgs-pub.shtml
http://www.cisco.com/warp/public/707/cisco-malformed-snmp-msgs-non-ios-pub.shtml

Thanks.

Matt

At 09:43 AM 2/15/2002 -0500, René Hatem wrote:
>John,
>
>For ISPs, the Cisco recommendation we received is 12.0(19)S2.
>
>-rene
>
>----- Original Message ----- 
>From: "John Watters" 
><>
>To: 
><>
>Sent: Thursday, February 14, 2002 5:21 PM
>Subject: SNMP Attack & Multicast
>
>
>> 
>> In trying to figure out what version of Cisco IOS I need to install in
>> order to avoid the recently announced impending SNMP attacks on the 53
>> different models of Cisco equipment that I currently run, I have run
>> (yet again) across the confusing matrix of what IOS and CAT OS version
>> supports what. I would like to ask the group several specific questions
>> (and I suspect that others will follow re other platforms) as follows:
>> 
>> 1) What IOS is recommended as an ISP version that gives good multicast
>> support and resolves the SNMP problem?
>> 
>> 2) What IOS is recommended for campus use (IP, IPX, & a very little
>> AppleTalk) for CAT6500s with MSFCs that gives good multicast support and
>> resolves the SNMP problem?
>> 
>> 3) What CAT OS is recommended for campus use for CAT6500s that gives
>> good multicast support and resolves the SNMP problem? Looks like the
>> answer to this one is 6.3(5).
>> 
>> 
>> In fact, it might be nice if someone on this group that is aware of the
>> varieties in Cisco code and the requirements of multicast as well as
>> awareness of what is necessary to solve the SNMP problem would post a
>> matrix of recommended versions. (I know that's asking a lot, but I
>> suspect that a number of us would find it very useful. And, it should be
>> kept up to date, not just done as a one-time thing now.)
>> 
>> And, I do have the recommended SNMP filters applied, and have had for a
>> number of years. But, that is marked as a partial workaround, not a fix.
>> 
>> THANKS VERY MUCH to any who respond.
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> ----------------------------------------------------------------
>> John Watters    U of AL: Seebeck Computer Center    205/348-3992
>> 
>>