0
votes
1answer
23 views

Strange Item on DHCP Client Table

I was recently having internet connection issues and looked on my router's DHCP Client Table. An item that stuck out was the name of my neighbor's WiFi Network. The table listed "Neighbor's WiFi ...
3
votes
1answer
117 views

Ethernet connection shows unidentified network with no internet access

For years I've used a physical Ethernet connection for my internet access, then a few days ago it went down and said it was an unidentified network with no internet access. I dug out a wifi card and ...
0
votes
0answers
36 views

DHCP letting multiple devices get same IP address - how to trouble shoot?

I am using a win2008 server with AD to also serve DHCP and DNS. I have some wifi AP's that are giving me trouble (dropping connections and generally misbehaving). The issue that I notice is that the ...
-1
votes
1answer
27 views

How can my server announce its presence to everyone in the network [closed]

The situation is as follows. I want to have an application running on a server. All of the desktops in the company has to connect to it. But I do not want the IP address of the server to be hard coded ...
1
vote
1answer
53 views

Send files between two systems over LAN

I am able to send the files from one to another system connected on same router in a LAN. Now, I connected one more router to the first router to increase the range of wireless connectivity. When I ...
0
votes
1answer
40 views

How to eliminate the downtime when a dynamic IP address changes?

We currently have a number of client computers linked up to a database server (MS SQL 2008) for replication. The database server recognises the computers based on their Windows hostname. We are using ...
1
vote
2answers
123 views

Re-assign IP address for VMWare image that is already running

I'm using VMWare Player. When an image running CentOS (Linux) 6.5 boots up, VMWare Player assigns an IP address dynamically (probably using DHCP) to that image. I'm assuming the IP address on the ...
0
votes
0answers
23 views

Additional ip addresses along dhcp

On windows it seems possible to add arbitrary ip addresses on the interface, but as soon as you add one, the addresses obtained with DHCP is removed. Is it possible to set static ip addresses while ...
1
vote
2answers
72 views

How to find the IP address of a router

I live in a dorm where many students have setup small wireless networks. There are two of this networks that are very close to my room as the signal is very strong. Our college uses DHCP to assign IP ...
0
votes
0answers
99 views

Network Instable Connection over LAN, Airport Express works

I just got a cubox-i4 but have a big problem with the LAN connection. It establishes and crashes again. The thing is, that if I connect it via LAN to an Airport Express (connected via wifi), the ...
2
votes
1answer
59 views

Is it possible to use DHCP to obtain default gateway and DNS server only?

I have a few VMs which I want to keep with static IP addresses. However, I run those on my laptop and frequently connect to different networks which use different default gateway and different DNS ...
0
votes
1answer
128 views

DHCP Pool Range / IP-Camera Setup

Lately I have been trying to set up a IP-Camera for friends wirelessly. I realized on their router its DHCP pool range is from 192.169.2.100 - 192.168.2.200. But when I changed the IP address of the ...
0
votes
2answers
973 views

Getting strange IP Address from router

I've had a router set up for quite some time and it has been working perfectly. My wife called me to tell me the wireless internet wasn't working and when I came home I saw that my phone was connected ...
1
vote
0answers
537 views

Why won't my DHCP addresses “stick”?

I've been having some addressing issues that I've been unable to solve, and I'm hoping I can get some guidance about other things to research. Service provider is Time Warner cable. A static IP is ...
0
votes
1answer
68 views

Log IP address obtained by DHCP Server-Ubuntu Desktop

Would there be a way I could write a script that records the dhcp IP's that the computer running Ubuntu obtains everytime it obtains a new IP?
0
votes
0answers
33 views

Easy: Why does `network` command keep looking for an old router?

What am I missing in this manual dhcp configuration? I'm using CentOS 6. From Redhat's page I've setup a manual configured dhcp client: The /etc/sysconfig/network file should contain the ...
0
votes
1answer
67 views

Show pc with static IP on dynamic IP router

I have a router with dynamic DHCP where I created some fixed addresses for some things I want to use with dyndns. The problem is, that I have a pc/server which does not support DHCP/dynamic IP, so I ...
0
votes
1answer
504 views

My domain name is doubled in dns on my centos 6.5 vm guest. server.mydomain.com.mydomain.com

my centos guest is set up as follows. It gets its IP address from DHCP. [marathon@server ~]$ domainname mydomain.com [marathon@server ~]$ hostname server [marathon@server ~]$ more ...
3
votes
3answers
2k views

Add a static IP alias to a DHCP interface on Windows 8

I have a Windows 8 machine that has only a single Ethernet port. It needs to use DHCP and also needs a static IP. Each IP is in a different subnet, and each serves a different, incompatible purpose. ...
0
votes
0answers
213 views

how to access two subnet in one NIC?

I am wondering if it is possible to use one network card to access two subnet in windows. I need to access a (LAN) local ip 192.168.0.5/255.255.255.0 and WAN with DHCP. I google that someone suggests ...
0
votes
1answer
504 views

Unidentified network on windows 8 pc when hard wired to Airport extreme

I have a weird problem which not been able to resolve as of yet. Okay so let me explain, I have recently had fibre optic installed, and I decided to use a new Airport Extreme (instead of the router ...
0
votes
1answer
2k views

Two VirtualBox VMs running in parallel assigned same IP

I had one VM in my VirtualBox and wanted to use it as a template/image so I cloned it. Then I launched both the original and the clone simultaneously (to simulate a server cluster for something I was ...
1
vote
3answers
104 views

How to retain a unique IP on a client with a static IP in a DHCP subnet?

When I say DHCP subnet I mean that the clients are intended to receive their network configuration via DHCP, not statically. Let's observe the following situation: I set up an IP address ...
0
votes
2answers
2k views

How do I assign a static IP address to an ICS client?

I have Internet Connection Sharing enabled on a Windows computer that's hosting the Internet connection. I have manually assigned what IP address to be used with the DHCP service on the host by ...
1
vote
2answers
1k views

How to configure my 2 router to make them as access points

I have this broadband and the main wireless router: Main Router Also I have two other routers and would like to make them as access points. So All with the same SSID, then the device can choose the ...
0
votes
2answers
81 views

Why APIPA doesn't work with multiple network adapters?

I connected 3 cameras to 3 network adapters in my PC. I don't have DHCHP, so I thought APIPA will do the work. But, camera's installation guide says "If a PC is equipped with multiple network ...
1
vote
1answer
649 views

Ping retrieves an IP from DNS, but loses all packets

I'm working with a minimal installation of RHEL 6. When I first turned this machine on, it couldn't ping anybody. It turned out that I needed to add the GATEWAY under /etc/sysconfig/networking and ...
1
vote
1answer
2k views

How can I determine the IP addresses allocated by DHCP on a router that I'm connected to?

This "router" is not a typical situation. I'm using my phone as a hotspot and can only configure a select number of DHCP options. I can manage the limit on how many devices/clients can use my phone ...
1
vote
0answers
158 views

Small office IP Management / Distribution [closed]

I need a bit of advise about IP management for a new small office. The background: Our company is expanding to a new building, and we are rebuilding our networking from ground up. The new building ...
0
votes
3answers
54 views

DHCP Reservation (MAC)

I've been having problems with a few statements I've been reading. When setting up DHCP Reservation based on MAC addresses... Do the reserved IP's need to be in one of the scopes or not? Judging from ...
0
votes
3answers
159 views

Reserving DHCP address

I am working in a serviced office, where I do not control the DHCP server. I have more than 3 machines that I need to have the same IP address after they get assigned. How would it be possible for me ...
0
votes
3answers
1k views

I should have a dynamic IP, but it won't change

I have run ipconfig /all, which tells me DHCP is enabled, meaning I should have a dynamic IP address. However, no matter how many times I restart the modem, I end up with the same IP address. What am ...
0
votes
3answers
8k views

How to assign multiple IP addresses to a single computer?

The dhcp ip range is 192.168.0.255/24. I wanted my computer to get multiple ip addresses from this dhcp. So I can have multiple connections through different ip addresses with just a single computer! ...
3
votes
2answers
13k views

Wrong IP address when pinged from another machine?

I recently got a new computer at work and I'm having trouble connecting to it from other computers. I can access other computers from it, just not the other way around. I checked all the usual ...
2
votes
1answer
96 views

Reliable cross-platform way of determining hostname from IP address

Within the DHCP table of a router, clients that have sent their network name are listed with IP and MAC addresses. I need a way to get the host names that clients have sent. The router does not store ...
1
vote
0answers
118 views

Is there a way to tell the difference between a direct connection and network connection

I want to configure a linux(ubuntu) machine such that when a direct connection is made with another PC my machine will enable a DHCP server and serve it an IP address, but if my machine is connected ...
2
votes
1answer
493 views

Failed to connect to server: The requested address is a broadcast address, but the appropriate flag was not set

My server IP address starts with 128.xxx.xxx.xxx and my laptop gets its address as a DHCP and is of the for 10.254.xxx.xxx I configured the server to look for my laptop and when I start the server it ...
2
votes
1answer
418 views

Can a broken ethernet cable give link but no ip?

I'm just wondering what the structure is here. Can an ethernet cable give link and seemingly work fine, but cause problems with DHCP traffic between two nodes? One part of me is thinking that link ...
0
votes
0answers
210 views

Windoews 7 doesn't Take the right IP configuration when it set to obtain IP automatically

Every time I connect to a network wireless or LAN The laptop does not take the right IP Configuration while the adapters are set to obtain the IP Configuration Automatically, after connecting to the ...
0
votes
2answers
302 views

IP address different on Mac vs. PC?

I have a Mac on the Wi-Fi network and my colleagues have Windows, also connected by Wi-Fi. Why is my IP address totally different from theirs? e.g. mine is 192.x.x.x theirs is 10.x.x.x. We on the ...
0
votes
1answer
7k views

Internet not working in bridged mode in VMware instances

I need to give my VMware based virtual machines IP addresses so that they are recognized over internet(such that they act as webservers). I tried by setting the bridged mode enabled under Network ...
1
vote
2answers
417 views

Blocking or Disabling Rogue Routers

We have a medium sized network and from time to time something bad happens. Once it was a router configured to assign IPs via DHCP that did not match our network mask, thus making all clients unable ...
2
votes
1answer
1k views

Why is my static IP address different if I plug in a router?

I just purchased a static IP package from my ISP, and was told the IP was something like 24.x.x.x. And they assigned the static IP to the modem. So, if I plug my cable modem directly to my laptop, ...
0
votes
1answer
344 views

Get Internal IP Address From DHCP Hostname [duplicate]

Possible Duplicate: How access network computers by name I would like to try and get an internal ip address of one of the computers on my network. The reason for this is I have a little ...
0
votes
2answers
316 views

dhcp.lease showing strange entries

lease 172.16.0.174 { starts 2 2011/11/22 10:23:11; ends 3 2011/11/23 10:23:11; binding state active; next binding state free; hardware ethernet 6c:50:4d:0e:c8:c0; uid ...
3
votes
2answers
481 views

MacBook Pro not obtaining IP address after replacing logic board

I just got my MacBook Pro back today from having the logic board replaced. While in the Apple store the Internet worked ok. I got home and it was able to connect to my WiFi, but could not obtain an ...
1
vote
1answer
948 views

Switch between DHCP and static IP

My laptop needs to use DHCP at home and a static IP at work. As far as I can tell, there's no way to flip between one and the other quickly - I'll have to manually configure the network connection ...
1
vote
2answers
2k views

I don't want my DHCP to be a default gateway

I have a device which runs a DHCP server. When I connect it with USB to my computer, the PC gets an IP address and the device becomes the default gateway. I just want the device to agree on IP ...
6
votes
2answers
4k views

What is the “Alternate Configuration” tab in TCP/IP settings

As I know there is two choice for configuring a computer IP address in the network. Assigning a Static IP or obtaining a dynamic IP from a DHCP server. But what is the Alternate Configuration in ...
0
votes
1answer
681 views

Linux environment is overriding network configuration. How to stop this?

I have an ARM system that has been pre-loaded with some variant of Linux. I don't know the distribution; I can only see the kernel number in dmesg. In /etc/network/interfaces, I set eth0 to auto ...