[c-nsp] Peoples experiences with the 3825

[David Barak]

I don't have the link in front of me, but I remember a document describing the 3825 as working well for a partial DS3, and the 3845 as working for a full DS3.

Also, the ESW modules have some definite quirks, so check to make sure that all of your features work before deploying them.

-David Barak

Ian MacKinnon wrote: 
> Hi Tom,
> The quick product guide says a 3825 will top out at 179.2Mbps
> http://www.cisco.com/web/partners/downloads/765/tools/quickreference/routerperformance.pdf
> This is usually with no features turned on
> 3845 will go up to 256M
> Are you looking at a POS interface to connect to the 155 ring? Can you 
> even get a POS Network Module?
> Ian
> Tom Storey wrote:
>> Hi all,
>>
>> Looking for some feedback on the 3825.
>>
>> Im at a phase of planning a new network which will consist of approx 29
>> tower sites in a rural part of Australia.
>>
>> Im looking at the possibility of sticking 3825's in some strategic
>> locations to aggregate customer sessions and ship them off to some LNS's
>> back in the CBD of the nearest capital city. The core of this network
>> will be built around a ring of 155mbit microwave radios, and we'll be
>> trunking multiple towers back to said strategic locations for
>> termination/aggregation.
>>
>> Theres likely to be a couple of thousand people in total hanging off the
>> network, but Im wondering if the 3825 would be up to this task. They
>> seem like relatively beasty boxes.
>>
>> On average a single router would be handling several hundred sessions
>> (PPPoE aggregation into L2TP tunnels back to the LNSs), and would need
>> to be able to handle as much of 155mbit as possible due to the ring
>> configuration, so if a link dies somewhere I need to be sure that a
>> single router will handle all of the traffic.
>>
>> What are peoples experiences with aggregating PPPoE and routing traffic?
>> How much of each have you managed to get onto a single box before
>> running out of CPU/RAM? Anything I should be careful about if chosing
>> this platform?
>>
>> If the 3825 is no good I'll probably look at deploying 7201's, they
>> should handle what Im looking for, but the 3825 has the advantage of
>> NM-xESWs, removing a device from each site. :-)
>>
>> Cheers,
>> Tom
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