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557
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SG300-10 question

rkcooper
Level 1
Level 1

First of all, is there a document on the SG300 that explains everything in plain english?

Here is what I am trying to do...

I have a Charter Communications connection to the internet through their modem.

This modem has a static IP.

I would like to make this internet connection the source for the SG300 and all the other ports be DHCP.

I was told when I purchased it that being a layer 3 device, it would do it.

Thanks for any help in advance.

-Roger                  

3 Replies 3

Tom Watts
VIP Alumni
VIP Alumni

Hi Roger, the only problem with this is the fact the switch cannot NAT, therefore this will not work unless you have a public IP from Charter for every connecting device.

-Tom
Please mark answered for helpful posts

-Tom Please mark answered for helpful posts http://blogs.cisco.com/smallbusiness/

rkcooper
Level 1
Level 1

So should I connect the charter modem, which is one public IP, to a router and then to the SG300?

Yes, you'd need a router that does NAT then connect the switch to that other router.

-Tom
Please mark answered for helpful posts

-Tom Please mark answered for helpful posts http://blogs.cisco.com/smallbusiness/