RE: Cisco Router best for full BGP on a sub 5K bidget 7500 7200 or other vendor ?
"Alexander Hagen" What about a 7505 w/ RSP4/256 and 2 VIP 2-50/128s with 4 PA-FE-TXs.
I would get a 7507 w/redundant RSPs and redundant PS.
For additional port density a 3550 ? Even a 2650 would do
What is better about the 7206 VXR ? Fewer software bugs,
Not in my experience.
simpler platform, half the vertical space in the rack, redundant power supplies,
Indeed. The part I missed earlier is that I think Alexander needs to buy the platform. As of today I can not recommend buying any 7500 as even the 7507 and the 7513 are going to EOL sooner or later. If you can't afford a 7603, then the 7206VXR with NPE400G and a gigabit trunk to a 3550 is what I would do.
On Mon, 26 Apr 2004, Michel Py wrote:
"Alexander Hagen" What about a 7505 w/ RSP4/256 and 2 VIP 2-50/128s with 4 PA-FE-TXs.
I would get a 7507 w/redundant RSPs and redundant PS.
You'd get a 7507 (only if it were a choice between that or a 7505?), but then at the end of your message, you say you wouldn't buy any 7500?
What is better about the 7206 VXR ? Fewer software bugs,
Not in my experience.
A couple 'advantages' to the 7206 are much smaller size & mass. The 7206 is single person portable. The 7507 and 7513 are very much larger and much more massive. You'll never see someone running down the street away from your data center with a 7507 under their arm.
The part I missed earlier is that I think Alexander needs to buy the platform. As of today I can not recommend buying any 7500 as even the 7507 and the 7513 are going to EOL sooner or later. If you can't afford a 7603, then the 7206VXR with NPE400G and a gigabit trunk to a 3550 is what I would do.
A basic 7507 (dual PS, dual RSP4, couple of VIPs and PAs) is so cheap today, if he's strapped for cash, that's what I'd go for. I'm guessing you can still get at least several years out of such a box, and by the time you've outgrown it or cisco stops making IOS for it (they still make IOS for AS5200's!), hopefully you'll have the cashflow to upgrade. ---------------------------------------------------------------------- Jon Lewis *jlewis@lewis.org*| I route Senior Network Engineer | therefore you are Atlantic Net | _________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
Just be sure you have the VIP's that can handle any features you need or you plan to run with dCEF off and let the RSP do the work. And that's true as long as you are not running features on that platform that require dCEF. That's the most common deployment mistake I see made with the 75xx nowadays. People want to move to dCEF to get added feature capability or either run a new feature that requires dCEF and they don't consider the extra load on the VIP CPU's that is required. There is no hardware assisted forwaring on a 75xx so it's pure software and CPU speed to do features. Rodney On Mon, Apr 26, 2004 at 02:11:04PM -0400, jlewis@lewis.org wrote:
On Mon, 26 Apr 2004, Michel Py wrote:
"Alexander Hagen" What about a 7505 w/ RSP4/256 and 2 VIP 2-50/128s with 4 PA-FE-TXs.
I would get a 7507 w/redundant RSPs and redundant PS.
You'd get a 7507 (only if it were a choice between that or a 7505?), but then at the end of your message, you say you wouldn't buy any 7500?
What is better about the 7206 VXR ? Fewer software bugs,
Not in my experience.
A couple 'advantages' to the 7206 are much smaller size & mass. The 7206 is single person portable. The 7507 and 7513 are very much larger and much more massive. You'll never see someone running down the street away from your data center with a 7507 under their arm.
The part I missed earlier is that I think Alexander needs to buy the platform. As of today I can not recommend buying any 7500 as even the 7507 and the 7513 are going to EOL sooner or later. If you can't afford a 7603, then the 7206VXR with NPE400G and a gigabit trunk to a 3550 is what I would do.
A basic 7507 (dual PS, dual RSP4, couple of VIPs and PAs) is so cheap today, if he's strapped for cash, that's what I'd go for. I'm guessing you can still get at least several years out of such a box, and by the time you've outgrown it or cisco stops making IOS for it (they still make IOS for AS5200's!), hopefully you'll have the cashflow to upgrade.
---------------------------------------------------------------------- Jon Lewis *jlewis@lewis.org*| I route Senior Network Engineer | therefore you are Atlantic Net | _________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
On Mon, 26 Apr 2004, Rodney Dunn wrote:
That's the most common deployment mistake I see made with the 75xx nowadays. People want to move to dCEF to get added feature capability or either run a new feature that requires dCEF and they don't consider the extra load on the VIP CPU's that is required.
Does dCEF use much more CPU on the VIPs or just memory (to store the fowarwarding table on the VIP)? My experience has been that a 7500 with RSP4's and VIP2-50's (with dCEF) will handle much more packet forwarding than a 7206VXR NPE300...but with full BGP routes, you need at least 64mb (preferably 128mb) on the VIPs or you can't use dCEF. Not using dCEF largely defeats the purpose of using a 7500, doesn't it? ---------------------------------------------------------------------- Jon Lewis *jlewis@lewis.org*| I route Senior Network Engineer | therefore you are Atlantic Net | _________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
In an effort to keep from getting too vendor specific on nanog I'll respond to you offline. My initial response to Alex was aimed at giving him something else to consider from a "gotcha" perspective along with his other requirements. Rodney On Mon, Apr 26, 2004 at 03:50:45PM -0400, jlewis@lewis.org wrote:
On Mon, 26 Apr 2004, Rodney Dunn wrote:
That's the most common deployment mistake I see made with the 75xx nowadays. People want to move to dCEF to get added feature capability or either run a new feature that requires dCEF and they don't consider the extra load on the VIP CPU's that is required.
Does dCEF use much more CPU on the VIPs or just memory (to store the fowarwarding table on the VIP)? My experience has been that a 7500 with RSP4's and VIP2-50's (with dCEF) will handle much more packet forwarding than a 7206VXR NPE300...but with full BGP routes, you need at least 64mb (preferably 128mb) on the VIPs or you can't use dCEF. Not using dCEF largely defeats the purpose of using a 7500, doesn't it?
---------------------------------------------------------------------- Jon Lewis *jlewis@lewis.org*| I route Senior Network Engineer | therefore you are Atlantic Net | _________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
--- Michel Py <michel@arneill-py.sacramento.ca.us> wrote:
The part I missed earlier is that I think Alexander needs to buy the platform. As of today I can not recommend buying any 7500 as even the 7507 and the 7513 are going to EOL sooner or later. If you can't afford a 7603, then the 7206VXR with NPE400G and a gigabit trunk to a 3550 is what I would do.
It's always worth taking a look at multiple vendors: the m7i is a lot of power for not so much money, relatively speaking, although you won't find much on the ebay-market... -David Barak -Fully RFC 1925 Compliant- __________________________________ Do you Yahoo!? Win a $20,000 Career Makeover at Yahoo! HotJobs http://hotjobs.sweepstakes.yahoo.com/careermakeover
participants (4)
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David Barak -
jlewis＠lewis.org -
Michel Py -
Rodney Dunn