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Redesigning ATM network

By matt_falenski ·
I currently am in the process of trying to redesign an 7 year old ATM network. From a central location, we have fiber running to 5 ATM switches across campus. Those ATM switches then convert to Ethernet, and then to the client, or to another Ethernet switch located on a floor above, or below the ATM switch. We have 5 VLANS running on the ATM.
We have about 8 servers, and 500 clients in 4 multi-floor buildings. (2 are in building with server room) I've never redesigned anything like this. Any pointers to where I should start?

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Redesigning ATM network

by ckilday In reply to Redesigning ATM network

Matt,
Some additional information would be helpful if you'd like specific design advice. For example, why are you redesigning the ATM network? Are there performance problems? Are you relocating your data center? Understanding what you're tryingto fix or trying to accomplish will point you in the direction you need to go. For generic expert advice on design, check out Cisco's "Designing Cisco Networks" book. It covers the basics of network assessment and design and will give you a firm foundation for what lies ahead. Drop me a line at chris.kilday@ctg.com if you want to discuss this in more depth.

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Redesigning ATM network

by matt_falenski In reply to Redesigning ATM network

The question was auto-closed by TechRepublic

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Redesigning ATM network

by McKayTech In reply to Redesigning ATM network

I am in the middle of a similar re-design project. Our current system has a Catalyst5500 switch and 7513 router at the core and runs ATM/LANE at OC-3 over fiber to the Catalyst5000 switches in the closet. We currently run 8 VLANS on the system anddon't have the capacity to add any more.

Our proposed system will have dual 6509 switches at the core and will run Gigabit Ethernet over fiber to Catalyst4000 switches in the closets. This system will support about 800 users with approximately 40 servers on the central campus.

With this new system, we will see an eight-fold increase in speed on the fiber backbone and we also lose the complexity of ATM. We have had almost no problems with our ATM/LANE but we don't have anyone in-house who understands it like we understand Ethernet so we've always been a little bit nervous about it.

We started by inviting Cisco to come out and take a look and make recommendations - on a project of this size, they are more than willing to provide agreat deal of technical expertise and education into what they think would work and why.

paul

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Redesigning ATM network

by matt_falenski In reply to Redesigning ATM network

The question was auto-closed by TechRepublic

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Redesigning ATM network

by matt_falenski In reply to Redesigning ATM network

This question was auto closed due to inactivity

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