2009/5/18 Adam Armstrong <li...@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
