[c-nsp] changing from ospf to eigrp

Adam Armstrong lists at memetic.org
Fri Apr 11 17:02:43 EDT 2008


Leif Sawyer wrote:
> sthaug at nethelp.no writes in reply to:
>   
>> Adam Armstrong whom wrote:
>>     
>>> I always assumed that the 3750/3560 didn't do IS-IS because 
>>> Cisco didn't want to engineer CLNS support into the ASICs
>>> used in them?
>>>       
>> The IS-IS support has nothing to do with the ASICs, both 
>> IS-IS and OSPF are done in software (the hardware just needs 
>> a suitable filter to punt the interesting packets to up to 
>> the processor).
>>     
>
> Having just gone through an EIGRP->OSPF->IS-IS migration, I can
> tell you that the 3750 has no problems with IS-IS.
>
> But, and here's the kicker:  METRO version only.  Sigh.
>   
The 3750ME is a very different device to the 3750, which is almost 
identical to the 3560. Makes sense, no?

adam.


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