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hi, problem connecting multaple switches with 1 router

Posted on 2003-03-26
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can anyone tell me what Cisco router would be the right one to use for connecting up to 20 switches with fibre gibix, or is there another way of doing this (eg 1 fibre in 20 fibre out to other switches and 1 fibre out to backbone) your answers would be of great help... bibio_
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Question by:bibio_
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Expert Comment

by:pedrow
ID: 8215915
You'd probably want something like a 6500 with an msfc2:

http://www.cisco.com/en/US/products/hw/switches/ps708/index.html

How much/kind of traffic are you planning on pushing? from where, to where?

You can throw a ton of traffic at those things.

I guess as long as you're not overloading your gig uplink you should be fine. You could do etherchannel too with up to four ports if your pipe is that big.





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by:epylko
ID: 8219524
If you really have gigabit amounts of traffic flowing across those links, something like a 6500 makes sense.

If you're just using the gigabit interfaces because 100Mb is not available, you could get 2xWS-C3550-12G.  Use the copper ports to link the switches together.  Or, if they are haven't been EOL'd yet, get 3xWS-C3508G-XL-EN and stack them together.

-Eric
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Author Comment

by:bibio_
ID: 8224853
it's ok guys i'v found an answer i'm gonna use a WS4418 (4006) 5x18 gbix + 1 routing engine (yes the network is that big) and i need 4 of them i have about 160 networks with about 120 cataylist switches each network has 62 hosts and its all gota be subnetted. there is about 8 routers and about 30 servers. ( and yes before you ask i am doing a cisco acadamy coarse )and this is my project.

thanks anyway... bibio_
Ps it's a nightmare......lol
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LVL 5

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by:epylko
ID: 8225666
Why did the specs change from what you originally posted?

BTW, I would not give you a good grade if you used a WS-X4418-GB for connecting lots of switches.  That blade is meant for server aggregation, not switch aggregation.

-Eric
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Author Comment

by:bibio_
ID: 8227910
cheers for your comment Eric but i was going to use lots of micronets but i can't find out how to connect all the switches together using fibre straight to the switches. i would like to use routers but the big ones cost to much (to handle that amount of gbix anyway). this is confusing the hell out of me. it would be ok if i could use vlans but i cant at this stage it all has to be subnetted. my first idea was to use switches with routing engines and daisy chain them all together but the price was to high.i have aprox 57 rooms one side of the network with about 30 on the other side each having 62 hosts per room and each room is a network on it's own. i am using a class B addy with a 10 bit borrow. this does not include my servers or routers these are going on 3 other class C addys. the 4000 series switches with routing engines are about my only option. i have a budget of £350000 there are 9 floors in total of the building i have to network.
thanks
Lance/bibio_
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by:lrmoore
ID: 8725665
bibio_,
No comment has been added lately (78 days), so it's time to clean up this TA.
I will leave a recommendation in the Cleanup topic area for this question:

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