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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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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0answers
4 views

dnsmasq requires a restart of the networking system on BeagleBone Black (Debian 8.5)

I am currently trying to configure a BeagleBone Black running debian 8.5 as a WiFi Access Point. The programs used are hostapd and dnsmasq. I've made huge progress, in principle the access point is ...
8
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2answers
6k views

Is there a way to disable the DHCP client in Raspbian Linux on a Rasperry Pi?

I have a Linux server (Rasperry Pi using Raspbian as OS) that should be using only static IP. However I noticed that it also has got IP from DHCP server (The IP given out by DHCP is 192.168.111.2). ...
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0answers
17 views

No internet when obtaining IP address automatically(static works) with HP 1910-8 switch

I can ping all VLANs from all VLANs in the switch. I can log into the router/gateway from all VLANs. I can even ping 8.8.8.8, for example, from all VLANs. I can only access the Internet from VLAN 1. I ...
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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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0answers
33 views

How to share files to devices connected between router 1 & router 2

Hardware: Huawei HG8247 (router 1) - router & modem combo. Linksys EA6900 (router 2) - router with 4TB hard drive attached. Goal: Share hard drive files to a laptop connected to router 1 via ...
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1answer
22 views

DHCP Offer already sent to my local IP address

I entered these commands into Terminal to release my current local IP address and allocate a new one: sudo ipconfig set en0 BOOTP sudo ipconfig set en0 DHCP This is the screenshot of DHCP packets ...
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0answers
25 views

Windows 10 not getting ip from DHCP

My PC is running win10 64 bit. I don't know why it is not getting IP from the dhcp, I am sure it's configuration problem, It is getting an IP like 169..... Here is what I tried : 1. Changing router ...
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1answer
35 views

How to assign a static IP to a Computer in Active Directory

I'd like to know how you can assign a static IP address to a computer using Active Directory. I know it is possible with a user using the Dial-in tab, but doing it on a computer has no effect (unless ...
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1answer
21 views

DHCP messages when connecting to home WI-Fi

I inspected DHCP packets with wireshark. Expected result was to see 4 packets, namely DHCP discover, DHCP offer, DHCP request and DHCP ACK. I only see 3 as indicated by the picture. DHCP discover and ...
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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 TL-...
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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 ...
0
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1answer
39 views

Static IP in dhcp server

I have the following situation: Home network DHCP server ranged : 192.168.1.2-99 I need to set up a static ip for a machine in: 192.168.1.91 I cant set it up from network adapter because this ...
0
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1answer
56 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
9 views

Want to analyse the DHCP client code

I want to implement the DHCP client as a part of my project in C. But for this i want to understand the code. Is there any source which gives the descriptions of all functions and headers that will be ...
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0answers
16 views

Android is not getting dhcp lease but server offers one

Android is not getting dhcp lease but server offers one. My Linux Mint 17 desktop gets an IP via DHCP (wired network). Do you habe any hints where the problem is possible lying? Where and how should I ...
0
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2answers
26 views

Release and Renew Ip won't work

I recently asked a question after someone online directed me to a link giving them my ip adress. I got some great help and advice and was told to release and renew my ip adress so the hacker couldn'...
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2answers
1k views

Disabling DHCP server in Windows-7

I am trying to set up a DHCP IP exclusion within the DHCP server which is coming with Internet Connection Sharing of Windows 7 but I'm having a hard time doing so. Consequently I got a 3rd party DHCP ...
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0answers
21 views

Simple DHCP server for just one device

I am building a small system that has one embedded computer and one ethernet device. The embedded computer has a fixed IP address (from the manufacturer), but the ethernet device uses DHCP to get its ...
0
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1answer
34 views

Old DHCP IP showing in ipconfig /all

I recently migrated a 2003 DHCP database to a 2008 r2. The newly configured workstation will pick up the right IP settings including DNS, DHCP server, and gateway but the old workstations will still ...
0
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1answer
22 views

VM Pulling IP out of my DHCP Range

I've set up a 2016 server on my laptop to mess around with, and added the usual suspects (AD, DNS, DHCP). I set the DHCP pool to 192.168.0.20 - 192.168.0.250. All my physical machines are withing ...
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0answers
14 views

What is the proper setting to set Bufffalo DD WRT as Gateway and DHCP Server?

Consider the following diagram: Note also that all three units may have WiFi enabled each with its own SSID. I would like to make "B" into this network's sole Gateway and DHCP server such that no ...
0
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1answer
13 views

Strange issues with AP and printers on network

i have a TpLink WA901ND using it as access point, connected to a simple 8 ports switch and one of these ports is connected to a network printer. My Access point has this class of ip: IP: 192.168.11....
2
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1answer
22 views

Where can I find the DHCP client logs in centos

I am running a PC with centos Linux. I have two ethernet ports. One configured as DHCP server and the other to use DHCP to obtain IP address(client). I am interested in getting the history of lease ...
1
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1answer
29 views

Static IP to LAN ports - OpenWRT

I have TP-Link TL-WR841N router and I had install OpenWRT firmware on it. I want to use it on a experimental project which requires me to set static IPs for LAN ports on router as mentioned in below ...
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2answers
8k views

Getting 2 IP addresses on one network card, using DHCP

Given: A computer running Linux (CentOS 5.x), one network card connected to LAN switch, a second one to cable modem via crossover cable. This computer acts as a router/firewall/traffic shaper for the ...
4
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2answers
10k views

Possible to ipconfig release/renew for only one nic?

I've got two NICs in my Windows 8 Pro (x64) box each connected to different networks. I would like to release and renew the DHCP lease for just one of the NICs. So far I can't find any way to do it ...
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1answer
1k views

dhcp6 server config problems

I'm trying to configure an IPv6 DHCP server in gentoo. So far: /etc/dhcp/dhcpd6.conf - subnet snippet: subnet6 2001:db8:21e:101::/64 { range6 2001:db8:21e:101::6 2001:db8:21e:101::100; ...
6
votes
2answers
11k 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. ...
1
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0answers
64 views

Wifi access point no internet connection

Situation There's a intranet with access to the internet. However, you can only gain access to this network, and therefore the internet, if your device has a whitelisted MAC address. This is no ...
0
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1answer
116 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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1answer
12 views

Mapping device hostnames to DNS automatically in DDWRT

I already know how to accomplish this manually using a host file and static ip addresses I want to map all hostnames to their IPs with a DNS entry MY-COMPUTER -> my-computer.local -> 10.0.0.1 ...
8
votes
6answers
19k views

Accessing a router which isn't a DHCP server

I have a Linksys WRT54GL router with Tomato installed on it. My network configuration requires me to disable the DHCP server on the router. After disabling it, I do not know the IP of the router ...
1
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1answer
23 views

Can you have static leases without DHCP?

Is it possible to assign IPs to only those on a static lease list, but not give dynamic IPs to unknown MACs? It seems DHCP is required to have a static lease list?
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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 ...
2
votes
1answer
117 views

Windows 7 ignoring DHCP Offer packets

My laptop with Windows 7 can't renew it's IP address via DHCP. I've tried both my ethernet card and my WIFI card, and I got nothing. It stats fine when I log in in my session after a reboot, but after ...
1
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1answer
41 views

Configuring router(s) for point to point link with users only on one side

Our home is on an island about 3 miles offshore. We use a wireless point-to-point link for Internet access. Our ISP supplied all-in-one cable modem/router resides in an electrical box on the shore. ...
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0answers
20 views

ADSL Teracom router permits only static IP connections to internet but not DHCP

I have asked this question elsewhere but I have yet to get a firm understanding of where the problem is - http://askubuntu.com/questions/773557/unable-to-trace-where-my-ubuntu-networking-problem-is I ...
0
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1answer
42 views

Connecting Ubuntu Server to internet

I just installed Ubuntu Server, and I want to install a few updates, however I keep getting a error message. If I try to run ping www.espn.com every one fails, so I believe I am not connected to my ...
0
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0answers
38 views

Windows Server 2012 r2 DHCP not serving addresses

Yesterday I encoutered a DHCP problem. After windows update and restart, my dhcp won't serve any new IP addresses. The ones wich has been sent before are working but no new IP-s. I tried restarting ...
0
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1answer
38 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
16 views

Use static IP on home network else use DHCP

How can I setup Windows (10) so that it has a static IP address on my home network and otherwise use DHCP?
0
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1answer
479 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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0answers
9 views

Unable to receive IP from DHCP when using ICS on Local Area Connection

The computer fails to get the IP from DHCP when I set internet connection sharing in on. (The network reads "Unidentified Network".) I have to manually turn it off and then connect again to get an IP ...
0
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0answers
10 views

DD-WRT block requests from static-addressed computers

Hello i have a litle problem. I have moved into two floors house and need to use repeater. My network structure is linke on this picture: There are two routers, R1 (upper) is any D-LINK with ...
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0answers
47 views

Netgear WPN824 v3 as Wifi AP

How can I use my wifi router as a wifi AP? I have disabled DHCP(on this "secondary device") and it is in the same subnet as main router. I use LAN port to connect it to main router. Devices can ...
0
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1answer
30 views

Will a router's DHCP/ARP table show a network switch?

My network setup: wan > pfsense router > switch > unifi AP Well I just got the switch. Brand new. I'm trying to set it up, but it's showing two IP addresses. The switch config utility says "IP ...
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0answers
5 views

Hardcoding dns adresses in dependance to network

I would like to save permanently dns addresses. According to link I added in /etc/dhcp/dhclient.conf proper line and in my home network everything works great. Problem is that when I am at my ...
0
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2answers
780 views

windows equivalent of wifi hotspot for lan

Is it possible in windows to create the equivalent of a "wifi hotspot", but for LAN instead - i.e. have the computer (with mobile 4g card for internet) share its internet connection with a LAN device? ...
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0answers
134 views

Linksys EA6500 and Android DHCP

Situation: I have a Linksys EA6500 v2 Wireless-N router. About 2 months ago, I had to perform a factory reset because my ISP refused to accept that my router wasn't the issue with my Internet access. ...