Dynamic Host Configuration Protocol; allows computers on the same network to automatically obtain unique IP addresses and other network configuration parameters.

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Configuring two network interfaces in gentoo using dhcpcd

There are two network interfaces in my system. net0 and net1. Both are in the default runlevels in gentoo. The /etc/conf.d/net file contains Code: config_net0="dhcpcd -b -t 0" and ...
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13 views

Wirelessly “bridge” two subnets when in range of one another

Scenario: Subnet 1: Basic Home/Office setup with broadband internet, router, and a couple of computers. Subnet 2: Mobile trailer with a couple of computers and a router. Sometimes its in the ...
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1answer
26 views

WNR2000 N300 Router Overloaded?

Hope someone can help point me in the right direction. Here is my issue: For a local fitness club, they offer free open access WiFi. It has a dedicated connection, with a 16/3 broadband connection. ...
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14 views

Wansview NCM628D02 - 2 IPs in LAN

I have a strange thing happening in my LAN. I have this wifi connected camera, IP assigned static as .128 in router and in camera setup. I can reach it through my browser without issues at it, BUT... ...
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1answer
24 views

What is the difference between “Change hostname via DHCP” versus “Assign Hostname to Loopback IP” in SUSE Linux network configuration setup?

I am using SUSE Linux and would like to know, what’s the difference between: ││[ ] Change Hostname via DHCP ...
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14 views

Mikrotik RB 951 unable to ping LAN and Internet

My Mikrotik RB951 has the ether1 interface configured as a DHCP client and connected to the LAN DHCP server. It gets served IP address automatically but is unable to ping other devices in the LAN and ...
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15 views

Change DHCP on server 2k3 [migrated]

Ok I am trying to mess with our dhcp settings on our domain server because at this point we kinda have competing dhcp servers between the router and the server. (Long predates me and I have finally ...
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24 views

Computers on the network randomly try to contact ISP DHCP not router DHCP

I've been fighting with this issue for a few weeks, but one of my clients has Cox Communications as an ISP, with their standard modem, and a Netgear Nighthawk x6 router. Originally the client had ...
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12 views

Starting DHCP server on Solaris SPARC 11

I have been trying to start the SPARC based Solaris 11 ISC DHCP server. I use the standard 'svcadm enable svc:/network/dhcp/server:ipv4' command to start the ISC DHCP server. But it never comes to ...
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2answers
37 views

Logging into a windows 7 system which is under domain when IP block change

I'm having a very interesting trouble. I've a PC under a domain. But I can't login even though I know current credentials the account. The PC was manually set to an IP and our SA changed our IP ...
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33 views

Windows override gateway metric when using DHCP

I want outbound external connections to be split (roughly evenly) between two network adapters. (load balancing -- I don't have access to the network equipment to set up bonded links) One is wired, ...
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1answer
33 views

Associate MAC Address with IP Address?

I would like to forward some ports on my router to specific devices on my home network. To do this, I would like the desktop computers at my home to have fixed IP addresses on my local network. Other ...
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1answer
25 views

Allocate an IPv6 address to my MAC address

I like to run a game server periodically, and to help ensure that the address is predictable for other players, I have created a DNS (A) entry to map a well-known DNS name to my public IPv4 address, ...
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0answers
22 views

Windows Squid And Validation

I have one Access Point on my store that is without authentication. No Security. Now i want at windows pc to install SQUID, DHCP & Apache (or other suggested). The senario is. 1) I want to ...
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0answers
34 views

Both Public and Private DNS not working. How make it work properly without any conflict

I setup private network so I installed DHCP in one of my server. Now my public network DNS is not working. How can I setup DNS for private network with conflict the public network DNS? DHCP Setup. ...
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0answers
54 views

Get Windows 7 to ipconfig renew automatically when an invalid IP configuration is ever detected

My new computer has a problem that causes its IP address to randomly become invalid. This problem is widely reported and no one ever fixes it. Is there any way to set up Windows 7 to aggressively ...
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19 views

Connected to OpenVPN server (through WiFi), changing DNS on unprotected adapter stops Internet entirely

So whenever I connect to an OpenVPN with a configuration file I notice two things: The TAP- adapter has no gateway of it's own. Is that normal? Trying to resolve this problem: I copied all the ...
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22 views

Static LAN IP address not being saved. Always reverts to DHCP

I am running Windows 8.1 (64 bit) and going to my local network connections, right clicking and then going to properties of my Broadcom wireless connection I change from DHCP to static ip (IPv4) by ...
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2answers
33 views

Why can't I connect an Access Point to this Network?

A client hired me to install an Access Point to make his home network available via WiFi. The modem/router is a Motorola with the following specs (the list is based on observation as I don't have ...
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2answers
54 views

Windows not using manually set IP Address

Recently my windows machine that has been working without a problem for over a year decided to start using a dynamic IP address instead of the static one I manually configured it to use. The only ...
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1answer
60 views

Locate Host Name on LAN (DNSMasq on DD-WRT)

I am running DNSMasq as both my DHCP and DNS server on my DD-WRT router. I had thought that DNSMasq was adding hosts that it registered in DHCP to the DNS server automatically, but I have a few ...
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2answers
81 views

DHCP not issuing out IP addresses

DHCP on my network is no longer issuing out IP addresses. Every new device must be manually configured to connect to the network. After executing show ip dhcp binding, i noticed that all the ip ...
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3answers
30 views

IP Address conflict in a LAN

How to find if someone has taken a particular IP address in a Local Area Network? Or in a more generalized form, how to find the list of IP address that DHCP has allocated in a Local Area Network?
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1answer
53 views

Win 7/8/8.1 create wireless open/WEP network - any possibilities?

I have a very old (2003) equipment that has Aironet/Cisco 350 network adapter on board (no WPA/WPA2, only open/WEP authentication). I need to connect it with PC (Win 7/8/8.1) without external access ...
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3answers
168 views

Change subnet on TP-LINK TD-W8961ND

I don't seem to be able to change the subnet on my router (spoiler alert - I'm not terribly good with networks so I would appreciate the help!). When I change the main IP address to 192.168.10.1 and ...
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1answer
25 views

how to use isc-dhcp-server in place of router dhcp

i have a virtual Debian installed on my VMware running on win 7 64 bit , i am using a bridged connection for my virtual machine , i installed isc-dhcp-server and changed the /etc/dhcp/dhcpd.config ...
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1answer
36 views

internal static IP address configuration from router

How do I reserve an IP address for tleilax and ensure that tleilax only gets that reserved address? The tleilax box uses DHCP. When I look at attached devices, I see: Attached Devices Wired ...
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0answers
114 views

IPv6: Cannot reach outside of LAN (OpenWrt Router connected to ISP Router through Wi-Fi)

Hello dear server expert, I would like to ask for you help for my installation. I have a Freebox Revolution (I am French and my ISP is Free). The box provides IPv4 and IPv6. Every computer connected ...
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2answers
95 views

192.168.1.254 vs 255 DHCP IP assignment

I belive that with a 255.255.255.0 subnet you get 255 ip addresses. Whats the difference between DHCP servers that use "192.168.1.1 to 192.168.1.254" and "192.168.1.1 to 192.168.1.255"? Are both of ...
0
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1answer
24 views

FreeBSD default router

I have two network interfaces in a FreeBSD box, both configured with DHCP; each is assigned an IP and gateway. FreeBSD is using the wrong interface for outbound traffic. How can I override the default ...
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21 views

Can I seed what DHCP options are offered on my network connection WITHOUT server access

When you get a DHCP address from a DHCP server it comes with options. I want to see all of the options set. Yes, I know that I could bug one of our extremely busy sysadmins and get them listed off to ...
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1answer
17 views

Restarting BIND service getting error

When I restart the BIND service getting this error from syslog named[4960]: /etc/bind/named.conf:15: couldn't add command channel 127.0.0.1#953: address in use Even when I execute nslookup ...
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45 views

Windows 10 preview PC getting served static and DHCP address

Setup PC: Latest Windows Tech Preview IP address set to static. Router: R7000/DDWRT Lately I've notice, when checking devices that are connected to my router, that this PC has been showing the ...
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1answer
43 views

Problems Configuring Netgear Prosafe 7224v4 Switch

Our office has a Netgear Prosafe 7224v2 Switch which was installed a number of years ago. Currently the switch is not configured to act as a DHCP server thus we need to manually assign all our ...
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2answers
38 views

Do my other local computers need a static IP when I use port forwarding?

If I change my main computer to static and port forward to get a server hosted, does that mean that I need to change the rest of the laptops and computer on the network to static to get them to ...
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4answers
252 views

How to reach my router's configuration page?

I've set up a router in my room (It's a TP-LINK W8980). I'm inside a college room, so I connected the WAN to the ethernet ports of my room, and the router is creating a wifi network. It's using PPPoE ...
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0answers
76 views

How to bridge two interfaces both on different networks with different IP addresses in OpenWRT?

My embedded Linux device—running OpenWRT—has two interfaces that are ath0 and ath1. ath0 is a WLAN port also runs a DHCP server. ath1 is used for Internet connection. Now, I have to setup these ...
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2answers
27 views

Connect one router to another one >> ip conflict

I have 2 routers, the first one is connected to 2 switches 24 ports each one, and is there because it is vpn connected. The second one connects to one of these ports and is the wifi one. My problem is ...
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39 views

two different name servers for home network and vpn network

As a disclaimer: I am new to linux. I have the following setup: At home I have a router (AVM fritz box) that serves as a dhcp server and "dns" server for my local network. I don't know if it is a ...
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1answer
24 views

Win Server 2008 DHCP on Virtual Network

I'm new to network stuff. I have 2 virtual computers running in VirtualBox: 1 on Win XP and 1 on Win Server 2008. I'm trying to create a DHCP server and DNS server on my server. I know how to add ...
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3answers
161 views

Windows remembers old DNS suffix

I just changed the DNS domain of my local network from home.local to mydomain.local, after purchasing mydomain.com. I made all the necessary changes in my BIND and DHCP server, and linux clients on ...
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0answers
56 views

How to force “DHCP Discover” on Windows 7

I found that at certain network, Ubuntu, installed in my laptop, could not get DHCP address, whereas Windows 7 can get DHCP address. Thus, I tried to dump packets related to DHCP address acqusition ...
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0answers
52 views

Trouble with Static Leases on DD-wrt router

I'm having real issues trying to set up a new DD-WRT router. It is a netgear R7000 with build DD-WRT:- v24-sp2 (12/15/14) std - build build r25344 My set up is basically:- BT Home Hub 4 (Using just ...
0
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0answers
9 views

Autoresolve a hostname via “closest” network - how?

Having all linux(redhat) machines always on one VPN network and moving them between different LAN networks, how to setup hostname resolution(/etc/resolv.conf?, and DHCP server?, and DDNS server?, and ...
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231 views

Could not start DHCP client on windows 7 home premium. Error 5 access denied

DHCP client didn't start automatic. Trying start from services: Windows could not start the DHCP Client service on Local Computer. Error 5: Access denied. What should be fixed please?
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0answers
23 views

Linux IP aliasing with single DHCP and single STATIC IP address

I'm working on an embedded system with a single physical ethernet device. Using aliasing, I'd like the device configured such that one static IP address (call it s.s.s.s) is ALWAYS available. The ...
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1answer
139 views

Removing DHCP and DNS from Windows AD Domain

This is my first time posting here, so please bear with me. I have been searching for this answer for a few days now with no luck. Maybe my google-fu is not strong enough. I am a software engineer ...
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3answers
77 views

How to get an unused (on another host) IP range

I'm working on an embedded system that will feature a ethernet connection to a PC host. The product contains a DHCP server so the PC can automatically get an IP assigned. In order to not interfere ...
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1answer
47 views

Why unconnected network card periodically sends DHCP requests?

I have a PC with windows 7 OS. The PC has two network cards, one built-in 100Mbit, one PCI-E 1Gbit. The 1Gbit interface is connected to a linux-based router with DHCP server. The server provides valid ...
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3answers
75 views

What to consider when putting a router inside of another network, not controlled by me?

this question is a question from an users point of view, and a noob regarding network technology. I am living in an appartement block, where the internet is routed central (lets call it that way). ...