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I did come across this acticle: <a href="http://seclists.org/firewall-wizards/1998/Aug/203" rel="ugc">http://seclists.org/firewall-wizards/1998/Aug/203</a><br />
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Seems to be seveal good reasons why to use a different pair of switches for the SAN and DMZ. <br />
<br />
What does everyone do in their environment? 
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I did come across this acticle: http://seclists.org/firewall-wizards/1998/Aug/203 [http://seclists.org/firewall-wizards/1998/Aug/203]

Seems to be seveal good reasons why to use a different pair of switches for the SAN and DMZ.

What does everyone do in their environment?

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Thank you for giving me reasons to run a DMZ and SAN on the same pair of switches. I'm going to bring it up today. The best case is I'm given money for two pairs of switches; one for the san and one for the dmz. Else, i'll use one set for both.
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Thank you for giving me reasons to run a DMZ and SAN on the same pair of switches. I'm going to bring it up today. The best case is I'm given money for two pairs of switches; one for the san and one for the dmz. Else, i'll use one set for both.

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Cisco VLAN Masters:<br />
<br />
I'm trying to cut corners and save a few bucks. I'd like your comments. Currently we don't have a DMZ or SAN. In the near future we will. I wanted a pair of small 12 port Cisco Catalyst Gigabit switches for the DMZ and another for the SAN, but didn't see any that exist. So i'm considering a pair of 24 port 3750 Gigabit switches then separarting the DMZ and SAN via VLANs.<br />
<br />
What are the pros and cons and your opinions of using one pair of 3750 switches for the DMZ and SAN then separting the two via VLANs? &nbsp;If you have other options I'd like your input. <br />
<br />
Thanks.
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Cisco VLAN Masters:

I'm trying to cut corners and save a few bucks. I'd like your comments. Currently we don't have a DMZ or SAN. In the near future we will. I wanted a pair of small 12 port Cisco Catalyst Gigabit switches for the DMZ and another for the SAN, but didn't see any that exist. So i'm considering a pair of 24 port 3750 Gigabit switches then separarting the DMZ and SAN via VLANs.

What are the pros and cons and your opinions of using one pair of 3750 switches for the DMZ and SAN then separting the two via VLANs?  If you have other options I'd like your input. 

Thanks.

Cisco VLAN: DMZ VLAN and SAN VLAN shared on a pair of 3750G switches

A router is a networking device that forwards data packets between computer networks. Routers perform the "traffic directing" functions on the Internet. The most familiar type of routers are home and small office cable or DSL routers that simply pass data, such as web pages, email, IM, and videos between computers and the Internet. More sophisticated routers, such as enterprise routers, connect large business or ISP networks up to the powerful core routers that forward data at high speed along the optical fiber lines of the Internet backbone. Though routers are typically dedicated hardware devices, use of software-based routers has grown increasingly common.

Routers

A switch is a device that filters and forwards packets of data between LAN segments. Switches operate at the data link layer or the network layer of the Open Systems Interconnection (OSI) Reference Model and therefore support any packet protocol. LANs that use switches to join segments are called switched LANs or, in the case of Ethernet networks, switched Ethernet LANs. A hub is a connection point for devices in a network. Hubs are commonly used to connect segments of a LAN. A hub contains multiple ports; when a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.