NPE-G2 vs. Sup720-3BXL

Julio Arruda jarruda-gter at
Mon May 18 10:00:39 CDT 2009

Steve Dalberg wrote:
> 2009/5/18 Adam Armstrong <lists at>:
>> 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%)

Any experience in how much more resilient is the ASR compared with 
7600/6500, DDoS-wise :-) ?
And compared with NPE-G2 ?
And in terms of CoPP and etc ?

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