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Add another network segment in ofice lan

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5 replies

by bhrdwh 2 views

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Hi,
We have 10/100mbps ethernet lan running on Cat5e cables using 3Com switches.
Presdently we have 192.168.100.x segment with our Firewall on lan port 192.168.100.254 as our default gateway for all systems.
Now I plan to add one more lan segment 192.168.101.x along with it as well.
I want that the users on 192.168.100.x & 101.x should be able to see each other.
I think I need to use a Cisco Router to implement this setup & connect the two 10/100Mbps networks plus have 192.168.100.254 asour default gateway -for both the network segments.
Advice ???
Akash

5 replies

by tduval

Symply change your mask to 255.255.0.0, and I don't think you need any additionnal router.

by dbowlin

I was going to say change the subnet mask to 255.255.254.0, but anything in the 3rd octet less than 255 will do, as answer 1 points out. Updating your DHCP will handle most changes, but remember your switches, firewall, and any servers or computerswith static addresses will have to be manually configured. I would still consider this easier than adding a router. The only other thing you may want to consider is your network traffic. If your network traffic is heavy, you may want to go with arouter to keep cross segment traffic to a minimum. If your switches are keeping the pace with no real problems, do it this way and save yourself the time, and money of setting up a routed network.

by uch

You have enough Answers to implement your Network, Pls close this question.

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