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Cisco Layer 3 Switching
Hi,
I was wondering what the difference between a Cisco 2900 router running SP Services and a Cisco 3560 layer 3 switch running SP Services (EMI) would be?
Would the switch be able to do all the same routing features as the 2900?
Thanks
I was wondering what the difference between a Cisco 2900 router running SP Services and a Cisco 3560 layer 3 switch running SP Services (EMI) would be?
Would the switch be able to do all the same routing features as the 2900?
Thanks
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And also BGP
You'll need a router to get those features.
Agree with donjohnston, you need a 2900ISR router and not a switch.
Speed is irrelevent when you are talking connection to a WAN link. I doubt that you are getting more than 1Gb bandwidth? Probably more like 10Mb max? You need something that does queueing very well going between 1G lan speed and much slower WAN link speeds. Job for an edge device (router, not switch)
Terminating PPP connections is a job for an edge device. As an edge device, I would assume that you also need to NAT? If yes, then a switch cannot do NAT (unless you get a big honkin' 6500)..
Switches are simply not designed to be Internet edge devices, routers are.
Put a L3 switch behind the router to do the full line-rate routing between VLAN's.
For the extra cost of adding EMI services licensing to a 3560G switch, you can almost buy a 2911 router and the standard services version of the switch and have them both!
Speed is irrelevent when you are talking connection to a WAN link. I doubt that you are getting more than 1Gb bandwidth? Probably more like 10Mb max? You need something that does queueing very well going between 1G lan speed and much slower WAN link speeds. Job for an edge device (router, not switch)
Terminating PPP connections is a job for an edge device. As an edge device, I would assume that you also need to NAT? If yes, then a switch cannot do NAT (unless you get a big honkin' 6500)..
Switches are simply not designed to be Internet edge devices, routers are.
Put a L3 switch behind the router to do the full line-rate routing between VLAN's.
For the extra cost of adding EMI services licensing to a 3560G switch, you can almost buy a 2911 router and the standard services version of the switch and have them both!
Yeap for sure you need a router to terminate a wan link. you could configure the vlans on the L3 and do intervlan routing with L3 efficiently. If you have a 3560 and 2900 then go ahead. Or if you have to make a decision either with switch or router. I would recommend a switch and router as said by irmoore.
ASKER
Thanks guys, I think I will need the switch and the router.
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