0
votes
1answer
73 views

Making a reverse zone file on a 255.0.0.0 subnet

I’m trying to setup a reverse zone file for this subnet that has two hosts on it: 10.10.100.10 and 10.128.5.10. This means he netmask for the subnet would be 255.0.0.0. I inferred that the file name ...
-4
votes
2answers
187 views

Exercise regarding public IP address and its “class C” [closed]

An exercise I am doing asks the following:- Identify what your public IP address is. Using public information sources, see what you can learn about your IP. If you don'ʹt find anything on your ...
0
votes
3answers
183 views

textbook CIDR subnet problems, the real world, and Cisco ip route [duplicate]

Assuming CIDR and classless addressing, the CCNA books I'm reading say Pearson 640-822 official cert guide 2012, pgs 403-404: According to their method S = P - N (subnet, prefix, host bits ...
0
votes
1answer
477 views

Reach pc in the same network but a different subnet

PC 1 in subnet - 192.168.1.x PC 2 in subnet - 192.168.2.x Is it possible to access one pc from the other by its IP address without special router config? related: How to reach a device on a ...
1
vote
1answer
97 views

Adding Static IP's to the NIC

We are currently working on migrating a lot of new machines to our network, and my job this morning was to setup all of the IP Addresses. I worked on this all morning, and when I got back tonight I ...
3
votes
1answer
330 views

Subnet Masking in IPv6

I know within IPv4 subnet masking, the network is determined by either the 1st, 2nd or 3rd set of octets. Being there are so many more characters in IPv6, how do you determine the subnet mask?
2
votes
3answers
2k views

Are same IP address with different submask unique? [duplicate]

Possible Duplicate: How does Subnetting Work? In a same block of IPv4 addresses, can there be same IPs with different submasks? For example, can I have this: 180.70.65.140/26 ...
1
vote
2answers
153 views

How to find the subnet for a single IP?

I have always used the subnet tools on the web when our datacenters provide us with new ip blocks for our machines. However, I recently ordered more IPs from our European DC and they apparently just ...
1
vote
3answers
2k views

Am I supposed to assign the broadcast IP somewhere?

This is a very basic question from a newbie point of view. I have a dedicated server at Hetzner running Windows 2008 R2. I bought a subnet of IP addresses to use in this server. They provided me a ...
5
votes
4answers
2k views

Networking Question - What is a VALID Subnet Address? [duplicate]

Possible Duplicate: How does IPv4 Subnetting Work? I am currently revising Networking for the Cisco CCNA1. One of the questions that I am struggling to answer is the following: Which of ...