SPA scale options on SIP-400

Unanswered Question
Jul 12th, 2009
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Hi All,


Are there any scalability limitations on 7600 with a SIP-400 module?

Specifically looking for pointers in identifying the maximum number of 1xGig ports supported per SIP-400 on a 7600 router.



Thanks

~sultan

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sultan-shaikh Mon, 07/13/2009 - 22:26
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Hi Jerry,


Thanks for your response.


I am looking for a 'matrix' that gives me various combinations I can stick in, though you mention that each bay can support upto 2x1G or 5x1G, that is not the case.

When I try to stick in 3 nos. of 2x1G V2 SPA I get a message something like capacity exhausted/expended etc... and the SPA goes 'down'. In addition there are loads of other SIP/SPA incompatibilities... I wonder how difficult it would have been to make a single SIP capable of having ALL the available SPAs in any combination... but then this is Cisco :-)


I have also spoken to TAC, but the response was limited to 'Please check the product specifications'.



Thanks

~sultan

Jerry Ye Tue, 07/14/2009 - 06:36
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Hi Sultan,


Here is what I found from the product specification from the link I gave you before:


Table 1. Features and Benefits of Cisco 7600 SIP-400

CPU

Ability to run 4 GE line rate for 64-byte packets, and OC-48 line rate for 48-byte packets for POS, HDLC, etc. with select services


HTH,

jerry

sultan-shaikh Wed, 07/15/2009 - 18:30
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Hi Jerry,


Really appreciate your response.


So this essentially means that I can have two 2GE SPA per SIP-400 module, that is the maximum I can scale!!


I will be left with two unused bays...



Thanks

~sultan

Jerry Ye Thu, 07/16/2009 - 06:04
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Hi Sultan,


I think that is the case. Please keep in mind that the SIP-400 is not designed for the 2GE SPA only, other SPA, such the 4xDS3, etc. For the 4xDS3, I have seen customer put 4 SPA into a SIP-400 and no complain from the IOS.


HTH,

jerry

sultan-shaikh Mon, 07/20/2009 - 05:27
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Hi Jerry,


You inputs have been helpful, thanks for your replies..


Cheers

~sultan

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