[c-nsp] OSPF Dead Timer issues

Thomas Braun tb at westend.com
Tue Oct 25 10:21:39 EDT 2005


Hi,

>Very interesting ... we're seeing dead timer issues on the link between an
>Extreme Summit200-24 and a Cisco 2621XM, too. The Extreme is running
>7.1e.1b5. Every few days, we see the issue occur out of the blue.
>
>Thinking of upgrading the Extreme to a Cisco3750 ...
>  
>
You could try Extreme Ware Version  7.3e.2.4,
every probleme on the extreme switch went away after we upgraded to this
version.
This is the case for the summit200-24 and -48.


cu thomas


>Adam
>
>----- Original Message ----- 
>From: "Gert Doering" <gert at greenie.muc.de>
>To: <cisco-nsp at bppb.net>
>Cc: <cisco-nsp at puck.nether.net>
>Sent: Tuesday, October 25, 2005 8:13 AM
>Subject: Re: [c-nsp] OSPF Dead Timer issues
>
>
>  
>
>>Hi,
>>
>>On Tue, Oct 25, 2005 at 12:53:38PM +0100, cisco-nsp at bppb.net wrote:
>>    
>>
>>>The two units are connected via an ethernet vlan (6500 sup720 gi1/2.101,
>>>7200  io-2fe fa0/0.101) and a /30. The VLAN is handled by an
>>>Extreme Summit 48i, which has ospf disabled on it.
>>>      
>>>
>>Make sure you have the very latest firmware for the Extreme.
>>
>>We've run into a very similar issue with a Summit 48 (no i), and the
>>essence seems to be "Extreme switches know that multicast is specialy in
>>some way, but they don't *really* know what to do with it, so the boxes
>>just drop every other multicast packet".
>>
>>Effectively killing OSPF and EIGRP...
>>
>>gert
>>-- 
>>USENET is *not* the non-clickable part of WWW!
>>
>>    
>>
>//www.muc.de/~gert/
>  
>
>>Gert Doering - Munich, Germany
>>    
>>
>gert at greenie.muc.de
>  
>
>>fax: +49-89-35655025
>>    
>>
>gert at net.informatik.tu-muenchen.de
>  
>
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>>    
>>
>System]
>  
>
>>    
>>
>
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>
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>  
>


-- 
Thomas Braun                  WESTEND GmbH  |  Internet-Business-Provider
Technik                       CISCO Systems Partner - Authorized Reseller
                              Lütticher Straße 10      Tel 0241/701333-17
tb at westend.com                D-52064 Aachen              Fax 0241/911879





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