Cisco 28xx network performance on FE interfaces

Answered Question
Mar 4th, 2008
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Does any one knows what are the average IP performance for 2801,2811,2821,2851 for flows beetwen two onboard FE. With no sepcial features, only NAT nat QOS. No Voice etc.

Correct Answer by Joseph W. Doherty about 9 years 3 months ago

Additional considerations when using the document Edison provided,


"only NAT nat QOS" might constitute a service.


The Mbps rating might need to be halved to support full duplex bandwidth.


Basing performance on 64 byte packets is worse case, as packet size increases so does effective bandwidth. With usual packets sizes, you might be able to obtain 2 to 4 times the effective bandwidth.

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Overall Rating: 4.3 (3 ratings)
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m.musacchio Wed, 03/05/2008 - 03:37
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Hello!, is there a link in the Cisco web to download the routerperformance.pdf int the case it will be updated?


Best Regards!

Correct Answer
Joseph W. Doherty Tue, 03/04/2008 - 10:41
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  • Super Bronze, 10000 points or more

Additional considerations when using the document Edison provided,


"only NAT nat QOS" might constitute a service.


The Mbps rating might need to be halved to support full duplex bandwidth.


Basing performance on 64 byte packets is worse case, as packet size increases so does effective bandwidth. With usual packets sizes, you might be able to obtain 2 to 4 times the effective bandwidth.

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