Tagged Questions

A subnetwork, or subnet, is a logically visible subdivision of an IP network.

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12
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7answers
9k views

Why is my subnet mask 255.255.255.255?

I have a modem which used for internet broadband and I got an IP address in the 'A' class 10.x.x.x and have netmask 255.255.255.255. What does 255.255.255.255 mean exactly? When I try to sniff with ...
0
votes
1answer
793 views

Netmask and ip are incompatible in dlink dir-300

I have Dlink Dir-300 wireless router. I have to set a static ip settings there. I specify Ip as 192.168.242.3 Netmask: 255.255.0.0. When I press enter it says that the ip is invalid. Although such ...
0
votes
3answers
676 views

Making two networks visible to each other

I have made a rough drawing of my network layout: The gateway, the two servers and the wifi router have a global IP address with a subnet mask of 255.255.255.240. The PCs have local IP addresses in ...
0
votes
1answer
2k views

pix 501, static route to d-link router (different subnet)

I have pix 501 cisco firewall with internal ip 192.168.10.1. I have connected d-link router (dir-655) to pix 501. The d-link router has internal ip 192.168.0.1 The picture would like something like ...
1
vote
2answers
448 views

What is subnetting?

What are the subnet mask, first available host address of subnet one (NOT subnet zero), and the maximum number of hosts per subnet for the network below? (You need to allow for maximum number of ...
1
vote
2answers
173 views

Subnets sets by a wifi and wire router

Is it generally possible to have wifi & wired clients of a router on the same subnet so that they see each other on the same LAN?
2
votes
5answers
8k views

Can you have a class C IP address with a subnet mask of 255.255.0.0?

Can you have a class C IP address with a subnet mask of 255.255.0.0? What happens when you have a setting like this?
-1
votes
2answers
553 views

What is the logic behind subnet mask value? [duplicate]

Possible Duplicate: What are the essentials of a Subnet mask? hi, In all the machines having internet connections , i can see a value called subnet mask associated with the TCP/IP ...
9
votes
5answers
5k views

What are the essentials of a Subnet mask?

What is the use of a subnet mask? What is the below output conveying to the user? Connection-specific DNS Suffix . : IP Address. . . . . . . . . . . . : 192.168.1.2 Subnet Mask . . . . . . . . . ...
0
votes
3answers
4k views

changing the subnet on a DDWRT router

I'm currently working on a bridged openvpn setup between two places. My home lan uses a 192.168.1.x subnet, as does the remote location (which i can't change the subnet for anyway) which results, ...
1
vote
1answer
49 views

choose between different *.conf, based on current subnet

I have gentoo running on a laptop that I use on two different networks. When I'm in the office there are a couple of tweaks I need/want in make.conf and resolve.conf.head: I have access to a local ...
3
votes
2answers
1k views

Windows XP doesn't like small subnets?

This totally sounds like a bug to me, because my subnet mask and IP address should be valid by all accounts. My ISP has assigned me a fixed IP address of 65.110.7.20, with a subnet mask of ...
0
votes
1answer
181 views

iptables: separate clients from each other

is there a way to separate clients in a subnet so that they cannot reach each other? The infrastructure currently looks like this: 192.168.0.1/24 Gateway, a CentOS box with iptables. ...
0
votes
1answer
605 views

Which subnet masks are valid for a subnetted Class B address?

Yes, this is a school question, and yes I already know the correct possible answers (supposedly), so I'm not going to bother posting them. Instead, I just want to understand the meaning of this ...
3
votes
3answers
1k views

How can I find any domain name that resolves to IP within a given net range?

For example, given the range: 172.128.0.0 - 172.191.255.255 I need to find some domain that resolves to an IP-adress within the range. Is it possible ? I'm using a Linux system.
0
votes
1answer
514 views

How do I establish a connection between 2 computers on different subnetworks?

computer A(192.168.1.134) needs to establish a UDP connection to computer C(192.168.0.30). As you can see both are on a different subnetwork. Now I have computer B which has 2 IP addresses, one for ...
6
votes
6answers
28k views

Set up two (2) IP addresses on the same network card?

I think it is possible to set up 2 IP addresses and subnet masks on one NIC in Windows XP. How can this be done?
3
votes
2answers
2k views

Changing Mac OS X 10.6 Routing after VPN'd In

I have a coffee shop around the corner that I use to do some work when I want to get away from home. They offer free wi-fi and I then use my Mac 10.6 VPN to log into my work network. I have "Send all ...
1
vote
4answers
64 views

local access network

what devices do i need to build a LAN? looking to make a LAN for about 6 PCs