[c-nsp] Router requirement
Cory Ayers
cayers at ena.com
Mon Feb 16 21:30:36 EST 2009
We have a 2801 that holds at ~35% CPU while pushing 70Mbps+ from port to
port day in/out: basic QOS, BGP for default origination only, 12.4(1c)
Advanced IP Services K9. Naturally if you add NAT, NBAR, extensive QOS,
etc. these numbers will change dramatically. IMO a 2821 would
definitely do the job and provide copper Gigabit capabilities, although
not wire speed. However, depending on what you're trying to do, the
ME3400-2CS-A might be the best choice with both optical and electrical
hand-offs and scalability to Gigabit. We typically prefer a 2800 at the
edge for links <100Mbps for features like NAT, and go with a switch for
anything >100Mbps.
Cory
>>Pete Barnwell wrote:
>> Hi,
>>
>> Wonder if anybody can help me with selecting the right router for
CPE?
>> It needs to be able to handle 100Mb/s delivered over FE, doing a bit
of
>> QoS and a few ACLs but no dynamic routing protocols.
>
>If you can live with a worst-case scenario of 87MBit, a 2821 might be
>decent choice, too. Typical throughput, even with moderate QoS/ACL
>should be well over 100M (maybe even with a 2811). Otherwise, a 3825
>with its two 1G interfaces built in would be a real good alternative to
>the rather pricey 72k ...
>-garry
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