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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D-Link Powerline AV500 Issues? One Powerline LED green and the other one not lit? Maybe also messing up DHCP?

A few times now I noticed while one of my Powerline adapters has a solid green LED, the other is not even lit. I understand the oscillation in my electric circuit influences the quality of the signal ...
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1answer
10 views

On Debian jessie, can I specify which dhcp client is used for a particular interface?

I use the /etc/network/interfaces file on Debian to configure my network interfaces with DHCP. The relevant section looks like this: allow-hotplug eth0 iface eth0 inet dhcp allow-hotplug eth1 iface ...
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1answer
21 views

My access point router stopped connecting to the internet at the stroke of midnight and now I can't seem to bring it back

Today I purchased an Archer C8 to setup an access point across the building that I am currently living in. I followed the steps from this article ...
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6 views

VLAN - Tagging Query

I have a netgear switch and the following configuration is working. VLAN ID PORTS 1 1 2 3 4 5 6 7 8 10 1 2 3       7 8 20     3 4 5     8 Each port is untagged in ...
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19 views

Router won't re-offer DHCP

Wondering if this "as designed" or a bug in my netgear router. I have an AP connected to the router (via EoP) If i connect to the router SSID, get an IP then disconnect and connect to the AP SSID I ...
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1answer
26 views

Only 2 Clients connected, yet router shows 4 IP addresses in the DHCP list

There are at present 2 devices connected to my home WiFi network, my laptop and my Raspberry Pi. The MAC address table on my router configuration page shows 2 clients connected but my DHCP client list ...
11
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2answers
15k views

What is the difference between ARP binding and DHCP address reservation?

In my TL-WR1043ND I have these functionalities and both of them pair an IP address to a MAC address. What is the difference? I red that the ARP one is there for security reasons, others say it is for ...
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2answers
10k views

PC does not get ip address from router using wired connection

I have an ASUS WL-520GU wireless router with four LAN ports. When my laptop is running Windows 7, and I make a wired connection from the laptop to the router, the laptop does not get an IP address. ...
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1answer
21 views

Ubuntu Server gets kicked off LAN periodically / when another device joins LAN

I'm running into an issue with my newly created Ubuntu server. Full Disclosure: I'm pretty new to both networking and Ubuntu, so I may have missed any basic setup step that would address this ...
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31 views

OpenWRT Chaos Calmer 15.05 DNS forwarding, custom DNS Server, DHCP option - nothing works

Okay, so essentially I'm trying to only forward one very specific address over one of those geo unblock dns proxy services. Namely Pandora.com. Don't judge, I like their raido stations better than ...
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0answers
13 views

Why is dhclient ignoring dhclient.conf?

I have the following problem I want to solve: I have multi homed system running linux, with three interfaces. All interfaces are configured by dhcp. The DHCP client is ISC dhcp 4.2.5 The DHCP server ...
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1answer
24 views

DHCP Requests leaking through VPN

I have a spread-out setup to deal with: 3 off-site buildings with Tomato Firmware-based routers, connecting to another Tomato-based router as a VPN setup. The Server router is also in our private LAN ...
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1answer
2k views

Access point as DHCP server

My level of knowledge on networking is moderate. I have the following scenario: Our internet connects to the LAN into a normal port (Dlink DS 1008D Switch) Some of the computers in the office ...
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0answers
7 views

two interfaces conflict when running two instances of CherryPy

I am running small database website on CherryPy (legacy, not mine codebase) for our lab at The University. We had production host and CherryPy instance (database.uni.edu, mapped to static IP ...
3
votes
3answers
5k views

No internet connection when connected via wi-fi, but fine via ethernet (DD-WRT)

I just bought a new router and installed DD-WRT on it. When I connect to the router via wi-fi, I cannot get an outside internet connection (and in fact, can not connect to the router admin interface ...
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4answers
4k views

Network interface/dhcp problems ubuntu with kvm and network bridge

I have a ubuntu system running 12.10 I am using KVM and have configured a bridge for the virtual machines, which is using nat forwarding. I am having problems with the connection dropping out ...
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4answers
3k 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
28 views

What IP address do I assign in order to keep communication between my AP and my router?

My network setup: WAN > Router(pfsense) > AP(tomato) The gateway for my router is 10.12.1.1 The gateway for my AP is 10.12.1.201 My AP is only an AP, not a DHCP server. The router is my DHCP ...
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0answers
20 views

No Internet and No Default Gateway on TP-Link Modem

When I do an ipconfig /all, no default gateway returns. Here's my ipconfig /all response: Windows IP Configuration Host Name . . . . . . . . . . . . : TS-Work Primary Dns Suffix . . . . . . . : ...
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0answers
17 views

Manage DHCP on windows server from computer outside domain

I am trying to manage a DHCP server running on Windows Server 2008r2 from a computer that is not in my active directory domain. I currently get the error: This call was performed by a client who is ...
0
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1answer
36 views

How to configure DHCP on router to manually define the routing table distributed to users?

I have a router in my home, to which there are several devices connected to it (over Wi-Fi and Ethernet) and get the network information through DHCP. I want to configure the protocol, so I can ...
4
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1answer
33 views

Browser autostarts when ethernet is connected. How?

I plugged my Windows 10 laptop into a router from our new isp. We only got the fibre, no services set up yet (The fibre can carry phones, tv and internet) Immediately when I plugged the cable in, the ...
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2answers
5k views

Bridge two router

I have two router and I want to extend my WiFi range. First router: TP-Link AC1750 directly connected to cable modem (192.168.11.1) SSID is main_router DHCP is enabled Second router: TP-Link ...
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1answer
4k 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 ...
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12 views

DHCP-Enabled Router Sometimes Won't Talk to Host with Static IP

I have a Windows 7 host connected to a router running DD-WRT. The router is running a DHCP server. For reasons I don't need to detail here, I have set a static IP on the host, as opposed to ...
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1answer
875 views

ESXi 5.5 - Management network with no gateway

I'm setting up a test lab for VMware in Hyper-V. I have 3 vSwitches in Hyper-V: -EXT01 -INT01 -INT02 I've also created a W2K12 VM in Hyper-V which has the following roles installed: -AD/DNS -DHCP ...
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2answers
42 views

Want to know the local IP address assigned to me by my ISP

I use a TP-Link router (3420) to connect to my ISP. My local IP address is 192.168.0.22. The ISP uses DHCP and the router shows the range of it 10.19.xxx.xxx. Sites like whatismyip.com show the ...
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0answers
17 views

DHCP setup for Server Virtual Machine

I'm trying to setup a server on a virtual machine, the new tech preview 4 and its the first time I tried to setup a server, the instructions say to disable DHCP on the router (virgin) and then set a ...
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2answers
34 views

How many routers do I need to support 3 vlans over a single ethernet connection

I have multiple rooms each with a single ethernet cable and will have a switch in each room connected to an AP for wireless access on 192.168.?, a teacher workstation on 192.168.2 and one or more ...
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1answer
18 views

ADSL router - public IP for local network

Today I went to my friend and took a look at his PC. He has ADSL router ZTE ZXDSLl 831cii. So there is a telephone line to router and PC is connected to Lan1 of the router (there are also Lan2, Lan3, ...
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1answer
39 views

How to troubleshoot a networked device with incorrect static IP address?

I have a Sony SNC-EP521 IP camera that's currently set to a static IP address of something like 10.0.0.x (if I remember correctly). The network I'm trying to place it in has IP addresses like ...
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1answer
21 views

How to add the following range in my Windows 2012 DHCP Server?

How to add the following range in my Windows 2012 DHCP Server? 192.168.1.0/24 192.168.1.248 192.168.11.0/24 192.168.11.1 192.168.12.0/24 192.168.12.1 192.168.13.0/24 192.168.13.1 ...
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2answers
20 views

DHCP categorise IP leases

I would make a major upgrade in my home network environment. I have a dlink 655 router. On this router All the DHCP will be happening. Also I will have 3 additional APs. I would like somehow to ...
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1answer
24 views

Source of internet wireless: Mask connected devices behind router/device

Which device/router do I need to use not an ethernet cable as source of internet but a wireless connection. I want to connect to a (different) wireless network without it knowing how much or which ...
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4answers
53 views

Unable to access router home page

I am Unable to ping router at 192.168.10.1 I want to access the router to change wireless security passphrase Why I am not able to access with web browser? Machine Details: Win7, IP: ...
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1answer
455 views

How can all the routers remember my leased IP? Shouldn't it change if I connect to a different router?

If i have understood this correctly. The DHCP server will lease you an IP address, when you first connect to let's say a school network. If I move from the 8th floor to the 2nd floor, then I'll most ...
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0answers
24 views

How to set (reset) PXE binary filename in pfsense?

I am trying to load lpxelinux.0 instead of pxelinux.0 in pfSense, and configured it in default bios filename setting: Unfortunately, server still sends pxelinux.0 as a filename: How to fix? How ...
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0answers
15 views

automatic decision whether to be a DHCP server or client

Can a computer send DHCP request and if there is no answer became a DHCP server? My use case: I have new raspberry pi. I would like to show it to friends connect it in friend's house, in school, ...
1
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1answer
63 views

Why isn't my DHCP server working?

I am trying to setup a DHCP sever with my Raspberry pi, but the service isc-dhcp-server cannot be restarted. Why isn't the service being restarted? ifconfig eth0 Link encap:Ethernet HWaddr X ...
0
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1answer
48 views

Connecting two routers (lan-wan) and homegroup sharing?

First of all i wanna say to you that i already connected the routers (LAN-TO-WAN) ... But i have issues and questions :) ... My primary router and my secondary router both also using DHCP... why? ...
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32 views

IP release and renew return the same IP on a new LAN with different IP scheme

Something strange I've encountered for the first time. Windows 7 PC was movied from one LAN to another and still kept getting the same IP address from DHCP as it did at old LAN location. For example, ...
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1answer
30 views

Requesting a new IP from the DHCP

In Linux, if I want to request a new IP say, for eth0, what commands should I use? Basically, how do I request a different IP from the DHCP so that it replaces my current one?
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1answer
16 views

How to correctly describe a small network running multiple DHCP

I have a home network with multiple devices connected to a central router. I have limited ability to change the core of this network (ie mess with the router, put additional cabling in - joys of ...
0
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1answer
24 views

Exclude mac address from home router dhcp (tp-link wd8961)

Is there any chance to configure a home router (tp-link wd8961) to exclude a specific MAC address from getting an IP-address via DHCP? I looked through all settings in the admin UI and through the ...
6
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3answers
7k 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 ...
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1answer
27 views

Alternative for bridge mode

Up until now, I have been managing my own private network by setting my ISP's modem to bridge mode. However, recently I switched my ISP and now I received a modem with rather limited options. I can ...
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1answer
110 views

Archer C7 AC1750 Bridge Mode

I have an Archer C7 AC1750 wireless router which is great but I can't enable bridge mode through my modem, so I need the Archer's DHCP service to be disabled and pass the DHCP from my modem through a ...
3
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3answers
11k views

How can I override comcast's wonky DNS settings in the router resolv.conf?

Whenever I connect my laptop to my Xfinity router (TC8305C), it writes wonky settings into my resolv.conf. Rather than completely hard-codinging the settings on my laptop, can I override the settings ...
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154 views

Remote Management address different from Computer Name

We are an educational institution with managed computers using a management server. Our computers are bound to an AD server as well for LDAP. The issue we are having is the remote management addresses ...
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24 views

Hostname won't resolve after setting up new server

I just completed a fresh install of Centos 7 on a PC. It is connected to the campus network, so I am not in control of the DNS server. I gave it a hostname by setting the HOSTNAME value in ...