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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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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9 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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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 ...
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2answers
37 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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1answer
20 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 ...
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13 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 ...
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1answer
51 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
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1answer
24 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 ...
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2answers
40 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? ...
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1answer
29 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 ...
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1answer
33 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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2answers
32 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. ...
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1answer
61 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 ...
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0answers
21 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 ...
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1answer
20 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
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. ...
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0answers
25 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
37 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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0answers
48 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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0answers
32 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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0answers
15 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
40 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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0answers
60 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
36 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
32 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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35 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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24 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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0answers
32 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
36 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 ...
0
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2answers
72 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 ...
0
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1answer
85 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
102 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 ...
2
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3answers
31 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
62 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
257 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
32 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
38 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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132 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
125 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
26 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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0answers
23 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
19 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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0answers
125 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 ...
0
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1answer
58 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 ...
2
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4answers
260 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
82 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
29 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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0answers
56 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
28 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 ...