[114623] in North American Network Operators' Group
Re: NPE-G2 vs. Sup720-3BXL
daemon@ATHENA.MIT.EDU (Steve Dalberg)
Mon May 18 10:45:38 2009
In-Reply-To: <4A114466.1050208@memetic.org>
Date: Mon, 18 May 2009 07:45:33 -0700
From: Steve Dalberg <steve+nanog@sendithere.com>
To: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
2009/5/18 Adam Armstrong <lists@memetic.org>:
> David Storandt wrote:
>>
>> We're stuck in an engineering pickle, so some experience from this
>> crew would be useful in tie-breaking...
>>
>> We operate a business-grade FTTx ISP with ~75 customers and 800Mbps of
>> Internet traffic, currently using 6509/Sup2s for core routing and port
>> aggregation. The MSFC2s are under stress from 3x full route feeds,
>> pared down to 85% to fit the TCAM tables. One system has a FlexWAN
>> with an OC3 card and it's crushing the CPU on the MSFC2. System tuning
>> (stable IOS and esp. disabling SPD) helped a lot but still doesn't
>> have the power to pull through. Hardware upgrades are needed...
>>
>> We need true full routes and more CPU horsepower for crunching BGP
>> (+12 smaller peers + ISIS). OC3 interfaces are going to be mandatory,
>> one each at two locations. Oh yeah, we're still a larger startup
>> without endless pockets. Power, rack space, and SmartNet are not
>> concerns at any location (on-site cold spares). We may need an
>> upstream OC12 in the future but that's a ways out and not a concern
>> here.
>>
>> Our engineering team has settled on three $20k/node options:
>> - Sup720-3BXLs with PS and fan upgrades
>> - Sup2s as switches + ISIS + statics and no BGP, push BGP edge routing
>> off to NPE-G2s across a 2-3Gbps port-channel
>> - Sup2s as switches + ISIS + statics and no BGP, push BGP edge routing
>> off to a 12008 with E3 engines across a 2-3Gbps port-channel.
>>
>
> Have a look at the ASR1002 + ESP5/10G
>
> Stable for BGP+ISIS as far as our experience goes.
>
> adam.
>
>
ASR1002 + ESP5 was great for OSPF + BGP. 450M+ of traffic for me at
peek (proc at1-2%)
--
Steve
