I think a 7200VXR with NPE-G1 that has 1Gb of ram would work just fine for you. We are running a very similar setup, passing about 70Mbs, full BGP routes, 2 providers and ACLs, only seeing about 20% usage on the CPU at peak times.
---- ---- ---- ---- Chris Gotstein, Network Engineer, U.P. Logon/Computer Connection U.P. http://uplogon.com | +1 906 774 4847 | ch...@uplogon.com On 7/9/2010 11:43 AM, Dylan Ebner wrote: > Yesterday we took possession of a free 50Mb connection upgrade from one of > our ISPs. The previous connection was 30Mbps with a partial route table via > BGP. Other than BGP, the only other complex functions the router performs is > access listing the CRYMU Team Bogon table and traffic shaping. We terminate > this into a 2811 running 12.4 with 512MB of memory. When the Access lists > were applied we peaked the connection at 39Mbps and when the access list was > removed we peaked at 43.5Mbps. The CPU was pegged at 65% with the acl and 50% > without. Given the recent discussion about 80Mbps and a 7200, what would > members here recommend for a 50Mb connection that we expect to grow to 100Mb > in the next 18 months. We are also planning on adding netflow collection in > the next year as well. > > We were think of upgrading to a 3900 series, but it sounds like maybe we > should be thinking bigger? > > Also, how do members determine if their routers are overloaded. Besides > looking at memory and CPU usage are their other statistics they look at? Are > their third party tools that provide some insight into the routers condition? > > > > Dylan Ebner > > -----Original Message----- > From: Alan Bryant [mailto:a...@gtekcommunications.com] > Sent: Thursday, July 08, 2010 8:33 PM > To: gordsla...@ieee.org > Cc: Murphy, Jay, DOH; nanog@nanog.org > Subject: Re: Rate Limiting on Cisco Router > > So you guys would not recommend the traffic shaping route on a 7206 > with a NPE-G1? Is it the processor or memory that would not be able to > handle it? > > I don't necessarily plan on doing anything other than limiting it at > 80Mbps or whatever it is that we are capping ourselves at at the time. > > On Thu, Jul 8, 2010 at 7:13 PM, gordon b slater <gordsla...@ieee.org> wrote: >> On Thu, 2010-07-08 at 18:54 -0500, Jack Bates wrote: >>> underpowered router or poor code >> >> Agreed. So which is it? :) >> >> To be fair, some IOS versions were better than others at it in my >> limited experience of that chassis. >> >> Gord >> -- >> I hold you XAP >> >> >> >> > > >
