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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10 views

static IP holds good even after changing network to dynamic

I'm using wpa_supplicant as a client to connect to an AP. When i'm trying to change the wireless connection from STATIC to DHCP(dhclient is invoked with leases file[dhclient-wlan0.leases] option, ...
3
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1answer
3k 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 ...
3
votes
2answers
47 views

Setting up DHCP and NAT on apple extreme with Virgin Media SH (APPLE)

I'm currently going mad trying to get my Apple Time Machine to be the DHCP and NAT Server. I've turned off DHCP in the Super Hub config and turned DHCP and NAT on in the Time Machine. Doing this, I ...
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0answers
41 views

Home Networking Queries and Multiple WiFi access points [closed]

I'm looking at updating my home network. I've got a number of devices that offer wifi and wired connections and would like to make use of them all if possible. Key: - = Wired connection - - - = ...
0
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2answers
30 views

Why did setting a static IP fix my LAN connection issue?

My router is working perfectly, and all other computers use automatic DHCP to get an IP address (all hard wired--no wireless). This one laptop lan connection kept getting stuck "identifying" the ...
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0answers
10 views

How can I get the Airport Extreme remote disk access function to work with modem that can't set as Bridge mode and can't disable NAT

I got the Technicolor tc7200 Docsis modem/rounter from ISP which can't set as Bridge mode, can't disable NAT, can't reserved IPs and its wifi are not stable at all. So, I made the tc7200 as the NAT, ...
1
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0answers
12 views

Openwrt bridging issue between wireless and ethernet port

I've this scenario: an AP connected to the STA wirelessly, the AP is a DHCP server I have following configurations in /etc/config/network of the AP: config interface lan option ifname 'eth1 ...
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0answers
6 views

How to set up a simple Cisco ISG config for controlling internet access [migrated]

First off, here is my config so far. http://pastebin.com/fV2NGCE2 I've gone through a few guides online and the 15.2s manual and the xe3 manual for Cisco's ISG (intelligent services gateway) and ...
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0answers
11 views

Cannot set static routing or DHCP pool

I've been doing a project in Packet tracer. To start of, this is my topography: LINK, and this my configuration: LINK My todo list is: -create topography : done -set IP's and subnets : done -set ...
22
votes
7answers
60k views

How to force Windows 7 to ask for a “fresh” IP address from DHCP server?

I'm troubleshooting a certain issue with my DHCP configuration, and need my Windows machine to ask for a "fresh" IP address, so I can see which address DHCP server gives by default. When I do ...
2
votes
1answer
18 views

How can I add some static IP address at IPv6 for Windows 2012 DHCP server?

I would like to add some static IP address to my Windows 2012 DHCP server. I have tried to pair the IP address with its MAC address. At IPv4 it works, but how can do it at IPv6? Could anybody link a ...
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0answers
20 views

DD-WRT Client Bridge: Hosts can't find eachother by name

My LAN is set up like so: lol you need rep to post images guilmon, gabumon are both running Arch Linux A200, phone are running Android laptop is running Windows 7 The problem: I can't seem to find ...
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3answers
12k 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! ...
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0answers
14 views

Running PsExec via WebService in IIS 7 not working properly

I created a Web Service that will run a Psexec to execute a command to DHCP server (netsh dhcp server DHCP-IP-address show scope). It is running perfectly when I test/run it via Visual Studio in the ...
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4answers
3k views

How to skip pushing the default gateway via DHCP in OpenWRT?

I have a router with OpenWRT that I want to resolve IP addressing with DHCP without setting a default gateway. I have added a DHCP-Option parameter with value 3,0.0.0.0 that is supposed to set the ...
1
vote
2answers
77 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 ...
1
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0answers
32 views

How do I repair Android DHCP issues? [migrated]

My phone plan comes standard with a lot of data and as a result, I've been regularly using the Mobile Hotspot feature built into it, on my laptop. The phone is a Samsung Galaxy S5 and is rooted on a ...
0
votes
1answer
28 views

Wireless clients disconnected from router when PS4 traffic begins

I consider myself pretty good at networking, but this one has me stumped. My brother-in-law has a PS4 connected by wire to his router. All other (three or four) clients are connected wirelessly (one ...
0
votes
1answer
21 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 ...
0
votes
0answers
17 views

DHCP and connection problems on cascade switches and routers

I have the following configuration (one switch at a building floor): The workstations are all DHCP enabled to get IP automatically. When I power up everything works fine. After some time (2 hs) I ...
3
votes
3answers
3k 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 ...
0
votes
1answer
60 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 ...
4
votes
1answer
7k 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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0answers
222 views

Windows 7 RNDIS client sends REQUEST without DHCP server IP

My linux based board is running a DHCP server on USB0 port to assign a fixed IP to the connected RNDIS client. When I connect Win XP or Ubuntu machine with this board, host machine gets the fixed IP ...
1
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1answer
58 views

Does the DHCP server know about static IP addresses?

I have a simple setup up at home with a vendor provided ADSL router and a few home devices I connect to it to connect to the outside world. I would like one of my devices to have a static internal IP ...
2
votes
1answer
27 views

On boot, how can I switch to a static IP based on a gateway IP provided by DHCP?

I have a "headless" *NIX host -- let's call it 'foo' -- that is to be accessible via SSH and VNC-tunneled-over-SSH on an arbitrary 192.168.x.y/24 private LAN. Sometimes, I want to physically move ...
1
vote
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 ...
0
votes
2answers
42 views

DHCP packets broadcast on all ports on a switch?

I would like to monitor DHCP packets on a clientPC connected to a 4 port switch/router. Will i be able to see DHCP packets sent or received on clients connected to other ports on this switch as well? ...
0
votes
1answer
33 views

How to setup a Netbook as Access Point (DHCP) and HTTP server in one?

I have been at this for two days now. What I'm trying to do is setup netbook A as an access point with HTTP server for clients ( Netbooks B C and D) Netbook A (host netbook) is running Windows 8 ...
0
votes
1answer
36 views

Avoid cable modem device limit restriction (MaximumNumberofCPEs)

The cable modem of my ISP is restricted to four devices. Is it possible to avoid this restriction if i connect a WIFI Router with own DHCP server, static IPs etc. to the cable modem so that I can ...
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votes
2answers
33 views

ipconfig doesn't recognize chinese characters in the SSID

I'm overly confused: I set up my laptop's IP address at a static value (the last useful address pf the DHCP), then I input ipconfig /renew, checked and the laptop address is still the old address. ...
8
votes
4answers
66k views

How to find my DHCP server IP address via a command prompt in Windows?

Linux has easy commands to find the DHCP server IP address via a command prompt. Is there anything for Windows?
0
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1answer
75 views

How to force a Linux DHCP client to get a different IP address [duplicate]

Situation: unconfigured network interface eth1. As root, I give command dhclient eth1, and get an IP. Now I want to change this IP from client side, force DHCP client to get a new address. Answers of ...
1
vote
1answer
1k 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
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0answers
27 views

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 ...
0
votes
1answer
31 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. ...
0
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0answers
35 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
50 views
0
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0answers
56 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 ...
2
votes
4answers
261 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 ...
0
votes
0answers
35 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 ...
0
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0answers
16 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 ...
0
votes
2answers
43 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 ...
0
votes
0answers
74 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, ...
0
votes
1answer
38 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 ...
0
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1answer
35 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, ...
4
votes
6answers
22k views

DD-WRT serving additional DNS servers instead of just the router’s IP

I have a DD-WRT (using DD-WRT v24SP2-MULTI (03/21/11) std) router set up with DNSMasq to resolve certain domains to internal addresses and pass everything else thru. The router itself is configured to ...
0
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0answers
38 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. ...
0
votes
1answer
99 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 ...
1
vote
3answers
310 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 ...