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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Sharing internet connection over LAN (Windows 8)

I have: PC (Windows 8) connected to the internet via WLAN. POS payment terminal connected to the PC via LAN (UTP). I would like to share internet connection to the POS payment terminal. The PC ...
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128 views

Pass the ISP DNS to your DHCP clients on OpenWRT

Basically I need my DCHP clients to have their DNS pointing to the ISP ones rather than pointing to the OpenWRT/Router's IP. On (latest) DD-WRT, you can check the option to disable DNSMasq local DNS, ...
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1answer
57 views

AP client mode DHCP

i got a Netgear WN604 which i want to use in client mode to provide internet connection to multiple wired pcs and powerline extenders but i got troubles with DHCP ip assignment. Let me explain: The ...
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0answers
69 views

How do I have one OpenWRT router use the DHCP server of another OpenWRT router?

I want one router to be able to access the devices connected to the other router. However one router is connected to the internet modem by ethernet, and the other router is connected to it by wireless ...
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1answer
148 views

ip conflict on user pc and bad address shown on DHCP server after installing Wireless router

Our office has around 250 users and DHCP server (192.168.1.1 /24) and primary DNS server(192.168.1.2 /24) installed at office. I just configured linksys Wireless router(192.168.2.1 /24) for mobile ...
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2answers
224 views

dhclient unicast DHCPREQUEST excessive logs

I am using centos 7 with dhclient 4.2.5: $ uname -a Linux hostname 3.10.0-229.el7.x86_64 #1 SMP Fri Mar 6 11:36:42 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux $ dhclient -V Internet Systems Consortium ...
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0answers
78 views

Can't get Pi/Debian to renew DHCP on boot

I recently tried getting my Raspberri Pi/Debian going with WiFi. That was a bust and seemed shaky, so I want to go back to regular wired. But not I cannot get a eth0 connection going for some reason. ...
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124 views

Resetting Mikrotik RouterBoard 750GL

I've messed up some settings and now trying to reset this router, but the problem is, i can't. Or at least it seems i can't. I've tried to use reset button (turning it off, holding reset button, ...
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1answer
756 views

Did my network just get hacked?

Something very strange just happened. A long story short, I went on to my computer and it told me that access was blocked to this PC. So I tried to go to 192.168.1.1, but it didn't work on my blocked ...
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2answers
44 views

Wireless static IP configuration

I'm using Debian and I have trouble assigning a static IP to my computer to my local wireless network. I've setup my configuration files in my computer correctly but that does not seem to work. ...
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2answers
249 views

Using dhcp and static ip on same nic on linux with systemd-networkd

I have a portabel device that sometimes needs connection to internet(to update) but will mostly be used directly connected to a laptop via ethernet cable. I want my users to have the plug and play ...
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184 views

D-Link DSL2740u router shortfalls

I have a D-Link router (DSL-2740U) Hardware version: V1 Firmware Version: ME_1.02 I'm really struggling to get my home network set up the way that I want. The IP range is 192.1668.0/23 with my "...
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48 views

How to remotely set up IP cameras?

I'm trying to set up a CCTV system at my parents' house. Most of the networking is done already (I think), but I still need to set up most of the ~30 cameras. This is the network topology: internet &...
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0answers
60 views

Win7: PC with static IP address still requesting DHCP address

I've some PCs in my LAN, mostly Win7, to which I've configured a static IP address. Neverthless, on my DHCP server (pfSense) I see those computers with a freshly created DHCP lease! And even if I ...
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170 views

Wireless lease always expiring. Asus ADSL N10E modem

So heres the problem. My wireless modem doesn't connect properly with my Mac. I have some 6 devices that connect wirelessly to the same modem and the strange thing is, all Windows laptops work ...
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1answer
24 views

Static network want to add guest dhcp router

My work would like me to add a guest wireless for our customers. The problem I have is the system they have set up is all static ip's. How can I add a wireless router to the network so guests can ...
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56 views

Access Router without DHCP in network

I have a router with enabled DHCP server. I also have multiple switches and Wlan access points, which are cheap TP-Link Wlan routers without a DHCP server connected to the network with a LAN port. ...
0
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1answer
55 views

AirRouter wired connections working, AP is not

I recently added a Ubiquiti AirRouter to my network. (Let's call this AR) It is wired to my TP-Link router (Let's call this TP) which is wired to my modem. TP is my DHCP server. Wired clients to AR ...
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1answer
57 views

network ping issues, computer not pinging anything in network and trying to ping itself

When trying to ping anything in the local network the computer tries to ping itself and says destination host unavailable C:\Users\3aaa>ping 192.168.1.1 Pinging 192.168.1.1 with 32 bytes of data: ...
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1answer
226 views

Bandwidth control rule in TP Link WiFi router TL-WR740N affects my own computer

In my home wifi network, I have listed some devices to allocate the bandwidth. I am using TP Link WiFi router of model number TL-WR740N. Under Bandwidth Control -> Rules List, I have a couple of ...
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137 views

ISC DHCP Spamming /var/log/messages

I recently setup a Linux box to run a DHCP server. One of the prerequisites was to get all of its log messages onto a specific file outside of the /var/log folder. For that purpose, I inserted the ...
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1answer
50 views

Unusual DHCP behavior on Windows 7

Our work network router does DHCP in the 192.168.10.# range with gateway=192.168.10.1, behind a centurylink/qwest modem at 192.168.0.1. Addresses are allocated starting with 100, so 192.168.10.100, ...
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144 views

wlan0 interface fails to fetch IP with udhcpc

I am using USB Wireless Adaptor of Realtek in Android Lollipop with RTL8192DU driver. I am able to scan the wireless network using iwlist wlan0 scan command . And I tried to connect to an open network ...
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1answer
75 views

Connecting two subnets with router

I'm trying to share a couple printers on two subnets and I keep running into issues. I'm trying to figure out the best way to achieve this while maintaing a public and private subnet. Please refer to ...
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33 views

How to get clients' names into the caching DNS-server?

Scenario: small home/workshop network (behind NAT), one Linux server running Samba 3.6.6 + DHCP-server + pdns-client (caching dns), some 2-3 workstations (Linux + Windows) and some 2-5 units (Android ...
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0answers
46 views

DHCP Server and WINS Server Sharing Same IP

I have been trying for a couple of weeks now on an Ubuntu system to try and run the machine as both a WINS server and a DHCP server - is there anything that would stop this from working? I just don't ...
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1answer
27 views

LAN filetransfer over switch - router (dhcp, dns) offline

Scenario: I am copying e.g. 1TB files with "rsync" from one machine to another (both get's dynmaic IPs). Between this two computers there are three switches. On one switch there is a router connected ...
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1answer
117 views

Openwrt: How to determine loss of lease?

I am connected to ISP using "IPoE" authentification. It works this way. When a new network device is connected, it gets a local IP address (100.x.x.x) with 10 min lease, and there web authorization ...
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1answer
25 views

Will “smart” network switches send data direct or via its DCHP server?

Bear with me on this one. I have two Airport Extremes at home linked via a long gigabit ethernet cable. I wanted to improve the control over the network by connecting all my devices via smart gigabit ...
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62 views

Network configuration to enable two gateways (ISPs)

I'll try to explain this clearly, but it's complex. My ISP (ISP1), who shall remain nameless, has reliability issues. I have a second one (ISP2), as a backup and for heavy traffic. ISP1 is Gateway 1 ...
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1answer
54 views

How can i configure my network so i can access a linux box behind 2 routers (4G and wifi)

I have a 4G router (DLINK DWR-921), its connected to the internet and its local IP is 192.168.0.1 I also have a WiFi router (ASUS RT-AC87U). Connected to the WiFi router i have a raspberry pi box ...
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1answer
669 views

D-link DIR600 DHCP clients list

I have a DIR-600 Wi-fi router and would like to know, where can I find DHCP clients list. I found only NAPT Active Sessions menu entry, which contains private IP addresses and TCP / UDP sessions. It ...
0
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1answer
50 views

Disable DHCP for one interface only

On my PC I have one Ethernet port that I use for network testing purposes (testing Openflow switches). For that I want that port to only send the packets that I tell it to (using packet generator ...
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2answers
294 views

DD WRT in Repeater mode but no DHCP?

I have DD WRT on my landlords router and its set up to be a repeater, it gets its WIFI from their house (I do not have access to the main network, just the WiFi that DD WRT thing gives me), the ...
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1answer
48 views

Guest Wi-Fi not getting proper IP's

I have a main router and a cable modem router. The cable modem router(NETGEAR C3000) acts as Wireless Access Point with DHCP disabled bridge mode. Main router IP is 192.168.0.1 sm: 255.255.192.0 ...
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1answer
33 views

When the ADSL modem goes off, the network will become disabled

In my personal network, I have connected all of my machines and also my ADSL modem to a network switch. The problem is that the machines get their IP addresses from the modem, thus when the modem is ...
0
votes
1answer
200 views

How do I make DD-WRT re-use static leases for wifi clients?

I am trying to configure static leases for DD-WRT, so that my phone gets the same IP address every time it connects via wifi. I have set up a static lease under Services/Services/Static Leases. This ...
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126 views

Wireless Ethernet Bridge: Client IP address not on router dhcp table

I have a desktop computer connected to my wifi via a Linksys WES610N wireless ethernet bridge. Currently the bridge is assigned the IP address 10.0.0.6. The desktop is assigned the IP address 10.0.0....
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0answers
108 views

Ethernet connection dropping - DHCP issue?

A user with a Fedora installation is experiencing intermittent interruptions to his wired internet connection on the LAN. I've swapped cables and ports and double checked my VLANS and switchport ...
2
votes
1answer
130 views

No DHCP lease with wlan0

I am trying to configure wlan0 on my host. It should be simple, but it's not working :( In /etc/network/interfaces, auto wlan0 iface wlan0 inet dhcp wpa-ssid "blahblah" wpa-psk "mykey" ...
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). ...
2
votes
2answers
1k views

Raspberry pi has both static and dhcp ip address

I got a Raspberry Pi running Raspbian, connected via Ethernet on my home LAN (on the ISP's default router). The router is configured to give addresses from 192.168.0.10 onwards with dhcp. I wanted to ...
0
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0answers
108 views

Windows DHCP server with multiple subnets

I have a Win 2012R2 DHCP Server in one physical network.(All clients have reservations) Now I have to add more clients and therefore I ran out of IP addresses.(Note this are Class B addresses, without ...
0
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2answers
1k views

I can't access a Netis WF2411 router’s configuration page

I recently bought a router (Netis WF2411) but I’m not able to access it’s configuration page (which should be at 192.168.1.1). I connected the PPPoE cable to the WAN port of the router then the ...
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4answers
200 views

Why do home gateways host their own DNS servers?

Every consumer-grade gateway I’ve seen hosts its own DNS server and tells DHCP clients to use it. I’ve gotten into the habit of overriding them with OpenDNS/Google/etc., since these DNS servers tend ...
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0answers
28 views

Ubuntu 12.04.5 erroneously applies static IP to all interfaces

First, I'll start by saying this is a virtual machine in VMWare Player and I’m using Ubuntu 12.04.5 instead of the newest version of Ubuntu because it’s being used in an educational environment to ...
0
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1answer
244 views

Static IP address outside of DHCP subnet?

I just set up a wireless repeater bridge. My primary router's IP address is 192.168.1.1. I had a friend guide me over the phone on setting this up. He told me to set my bridge's IP address to 192.168....
0
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1answer
753 views

VirtualBox internal network with dhcp server

Using VBox 5.02 OSE, host OS is Arch Linux 4.1.6-1-ARCH I've configured Guest OS Ubuntu Minimal 14.04 with network adapter as "internal network" using the default name for the network (intnet). Now ...
0
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1answer
40 views

Can I /release and /renew DHCP of a router?

My current setup is as follows: There is a router the WAN goes into (R1). There is one more router (R2) connected to it and two switches. WAN | | R 1 | | ----- R 2 | | -...
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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 ...