1
vote
1answer
1k views

How to find CIDR subnet for a public Internet IP address?

Usually I do not worry about subnet of an IP address on the public Internet, but after I began using Amazon EC2 firewall, it got me thinking. EC2 firewall configuration requires an IP to be written ...
1
vote
2answers
730 views

Setting up the subnet mask for two separate connections on XP?

I'm on Windows XP SP3 and basically my topology consists of 3 computers (see drawing for more detail), a wireless connection to the Internet and a wired connection to a router. My main computer (A) is ...
1
vote
2answers
195 views

connect to subnet via VPN

i have VPN setup which is like this: ########### internet ############## internet ############ LAN ############ # macbook # --------> # VPN server #----------># PC A # -------># PC ...
0
votes
1answer
39 views

I have just created a subnet for a local network, connecting to a standalone server on another network, now I cannot connect to the internet

I am just learning some new aspects of servers and networking. We have a network of 5 subnets that all interconnect with each-other. In order to get two computers on the subnet that we were setting ...
0
votes
2answers
2k views

Internet issues with subnet mask/DNS?

I woke up today to find that my internet wasn't working. I checked all the cables, and everything was connected, I tried to connect to my router @ 192.168.1.1 . It didn't connect. I checked the cables ...
2
votes
1answer
527 views

Separate computers in my apartment can't communicate to each other?

In my apartment, the management provides the building with a network connection. I have my computer plugged into the ethernet coming out of the walls, and my friend who also lives in the apartment ...