Can you add switches further down the line?

If I want to add a wireless router down the line from the dsl box attached to a 16 port switch can I? Can I add a second switch down the line as well?
psalm10720Asked:
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debuggerauCommented:
Yes you can, the rule of thumb is the 3-4-5 rule.
http://www.windowsnetworking.com/articles_tutorials/netrule.html
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sysreq2000Commented:
Yes. You can even just plug your wireless router into a downstream switch, just by using the lan ports, and it will be a wireless access point. Anyone with a wireless laptop or whatever will be able to connect to the lan wirelessly, getting an IP from your main DHCP server and logging into the domain etc.
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flyingaCommented:
Important to note:

by dsl "box" do you mean router or modem? I ask because if you use DHCP (automatically assigns internal IP addresses) then you must make sure that only one router has dhcp turned on - or they are assigning ip's that don't overlap (eg 192.168.1.x and 192.168.2.x)

For example: you have a dsl router already assigning IP's but it is not wireless. You can add a wireless router on to the network, but turn off DHCP so the primary router still assigns IPs and there are no conflicts.

Also, if they truly are 'switches' and not 'hubs' then you can plug the wireless router into any port (not just 'uplink' ports). If they are hubs then be sure to 'daisy chain' any additional hardware (routers hubs) through the uplink/lan ports.
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sysreq2000Commented:
Actually the 3-4-5 rule doesn't apply to switches, just hubs.

Just a point of interest  8)
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