0
votes
1answer
54 views

Systemd-networkd: How can I prepend a static nameserver entry to DHCP-discovered nameservers?

I'm using systemd 213 on Arch Linux, and systemd-networkd/resolved with DHCP to connect to the internet. I'm also running a caching DNS server on 127.0.0.1. I'd like to make this server the first DNS ...
0
votes
2answers
33 views

setup Mac Book Wifi interface as Wifi hotspot using specific DHCP option

I want to using my Mac Book as an access point. Besides that I also need to configure its DHCP server to not provide DNS info. For example, Mac Books AP's ssid is "MacBookHotspot". While my iPhone ...
0
votes
1answer
28 views

How to eliminate the downtime when a dynamic IP address changes?

We currently have a number of client computers linked up to a database server (MS SQL 2008) for replication. The database server recognises the computers based on their Windows hostname. We are using ...
0
votes
1answer
64 views

I have too many DNS servers configured

The OS is Win 8.1. I have my laptop connecting to my wireless router, and I have told the router to issue out DNS via the DHCP lease. The laptop is configured to use the information. The router is ...
0
votes
0answers
40 views

Internet slow down after Setting up Domain Controller on VM

I running Hyper-V on 12 computer and windows server 2012 on 1 computer. I set up 2 Virtual machine Domain Controller on 2 separate computer. The second one is just a failover read only DC. My whole ...
0
votes
0answers
493 views

Dnsmasq running on raspberry pi will serve non-local DNS to ethernet but not wireless hosts

I have a Linksys WRV200 wireless router. I have just added a raspberry pi, connected via ethernet, working as a DCHP server and caching DNS server. Dnsmasq also serves local domain names. Dnsmasq ...
0
votes
1answer
48 views

How can I point a domain at a changing IP?

So I'm running a website off my own server. I piggybacked off my dad's domain; I added subdomain, evamsharma.finosus.com, and pointed to our network IP, and set up port forwarding. But when I logged ...
0
votes
1answer
191 views

Dynamic DNS for RPi -> Airport Extreme (DHCP) -> Cable Modem (DHCP) -> Interwebs

I have a Raspberry Pi which connects to my Airport Extreme via DHCP. The Airport is connected to my Cable Modem which gets its IP address via DHCP from Comcast. I would like to be able to address the ...
1
vote
1answer
393 views

“RPC is unavailable ” while renewing IP address or connecting to broadband over ethernet

I already looked for solutions on internet and on this forum but it did not help so posting a new question. I have windows 7 Professional and i connect to broadband via ethernet (always on). When i ...
3
votes
1answer
203 views

Why does my (home) router append a DNS suffix?

I wonder if any other people have come across this. I've rented rooms in two houses this year, and they both have Sky (a UK ISP) Broadband routers. For some reason, the router I currently use hands ...
0
votes
1answer
71 views

DNS and DHCP on different machines

I have a router (Vodafone easy box) which doesn't seem to support local DNS. Now i want to set up my own DNS server on another machine, but still want to use DHCP. So I want to setup my DNS server to ...
0
votes
1answer
464 views

My domain name is doubled in dns on my centos 6.5 vm guest. server.mydomain.com.mydomain.com

my centos guest is set up as follows. It gets its IP address from DHCP. [marathon@server ~]$ domainname mydomain.com [marathon@server ~]$ hostname server [marathon@server ~]$ more ...
0
votes
0answers
605 views

How to configure AirPort Extreme as the DHCP/DNS/NAT server where DSL modem/router does them?

I have an AirPort Extreme BS and a modem/router (ISP's NetMaster). I want to host my own websites from my Mac Mini with OS X Server. At the moment, ISP's router is the DHCP/DNS/NAT server, and AirPort ...
0
votes
0answers
407 views

Using dnsmasq with NetworkManager

It was well known that NetworkManager does not play well with dnsmasq (ref: here). I've skimmed throught the lengthy discussion here but still not sure what the recommended way to deal with the ...
1
vote
2answers
491 views

In OS X, how can I prepend 127.0.0.1 to the list of DNS servers obtained through DHCP?

I am trying to use dnsmasq to resolve certain known domains using its configuration, but let the rest of the requests go through to the normal DNS server assigned by DHCP. I cannot get this to work. ...
2
votes
1answer
242 views

Forcing resolver to OpenDNS's servers

I'm trying to configure Debian as a router/gateway on my network with eth0 going to my ISP's modem and eth1 to my LAN. eth0 needs DHCP so that it gets the proper IP address from my ISP modem, but in ...
2
votes
1answer
36 views

DDNS in BIND9 with custom records

I have BIND9 and DHCP configured to communicate with each other for providing DDNS in my network but I need to also setup custom records as some machines need to respond to more than one hostname. ...
3
votes
4answers
4k views

Can I Chain Two Routers Together Keeping DHCP on Both?

I have read that I can connect a second router by turning off DHCP and NAT, but I want the second router to assign DNS (I'm using it as an access point for my kids, and will use OpenDNS family service ...
0
votes
1answer
2k views

Find out dhcp assigned gateway and dns settings in Linux (CentOS)

How to find the gateway and DNS IPs in a DHCP configured network in CentOS? I'm using CentOS installed in vmware using NAT connection and I want to make the ip static.
0
votes
0answers
69 views

VPN failure after ISP switch

We are a small library and are trying to switch our ISP, but after the switch we have VPN and SIP failures. We have a DSL modem set up in bridge mode, we have a Juniper firewall, and Windows Server ...
4
votes
2answers
2k views

Wired connection periodically disconnects requires ipconfig /release and /renew to reconnect

I just got back into University and after a day of using the internet I suddenly was unable to visit other webpages even though I was still able to chat. I restarted the computer and the internet ...
1
vote
2answers
4k views

Android Not Resolving Internal DNS on Home Server

I have a home network with a Ubuntu Server that handles all DNS and DHCP requests (I have disabled these services in my wireless router). My DHCP server (ISC-DHCP-Server) hands out IP addresses to our ...
0
votes
1answer
138 views

Computer connects to the wrong router

I have 2 routers connected together and multiple computers connected to each router. (see image) The problem is that when I connect a computer to Router 1 and let it get the IP automatically, it ...
0
votes
0answers
531 views

Can't access domain shared folder by name but I can by IP

I have computer with windows server 2008 r2 and a router works as dhcp server. I created a domain on the server and I created users. I made the clients access the network via new users of domain then ...
1
vote
0answers
253 views

dhcp static assignment doesn't clean bind after DHCPRELEASE

I've got a set of virtual machines inside VirtualBox on a OSX host. My Gateway-VM is Ubuntu 13.04 with 4 NICs. On this machine ISC-DHCP-Server and Bind9 are running and DDNS-updates work fine when ...
0
votes
1answer
162 views

DNS server returns valid IP, but browser can't find server?

OK so I have my Raspberry Pi running a DNS server (dnsmasq), and I have my router set up to use it as the DNS server for the whole network. This was working perfectly until a few hours ago when I ...
1
vote
3answers
928 views

Setting up DNS server inside network

OK so here's a little problem I have: I'm trying to set up my Raspberry Pi as a DNS server (for filtering and caching). The Raspberry Pi is in my network, and has a DHCP IP from the router. The DNS ...
0
votes
2answers
380 views

Set up internal DNS to point to that DNS server?

I have Windows Server 2008 running on my network with the following properties: Internal IP: 192.168.1.100 External IP: 242.24.124.12 Now I have registered a domain (example.com) and have it ...
0
votes
1answer
62 views

DNS Server for my home netwoek

I have a number of virtual machines all running on my ESXi host. These all connect to my home router, and are assigned an IP address through DHCP. When I go to connect to these VMs, they frequently ...
0
votes
2answers
180 views

Hostname Resolving Issue

My network setup includes a Cisco router and a Realtek WLAN Accesspoint (AP): The Realtek AP connects to the internet and work as DHCP server. It is in Wireless ISP mode and its IP address is ...
0
votes
0answers
581 views

How to reload DHCP client remotely, in order to write new resolv.conf?

I'm trying to configure dnsmasq(8) on a Debian GNU/Linux system in a private DHCP-based network. During a local, manual setup - after installing dnsmasq istelf - one could simply include the line ...
1
vote
0answers
42 views

Negate global parameter in dhcpd.conf

Let's say I've got a DHCP server that will serve 10 subnets. 9 of the subnets will be on the "example.org" domain and one will receive no domain from the DHCP server. I set option domain-name ...
5
votes
3answers
2k views

How to use dnsmasq with DHCP-assigned DNS servers?

TL;DR version: How do I configure dnsmasq to fall back to the DNS servers pointed to by the DHCP server on my LAN, to enable switching wireless networks? On my developer laptop I've recently started ...
3
votes
2answers
11k views

Wrong IP address when pinged from another machine?

I recently got a new computer at work and I'm having trouble connecting to it from other computers. I can access other computers from it, just not the other way around. I checked all the usual ...
0
votes
1answer
420 views

PCs on domain can not resolve external IP addresses using the DC's DNS Server

I currently have a domain controller which handles all DHCP and DNS. The DHCP works just fine and the domain controller itself can use the internet with no issues. However, PCs that are part of the ...
0
votes
2answers
795 views

DHCP not updating DNS

RHEL5.6, bind-9.3.6, and dhcp-3.0.5 So, after I fixed my problem with getting DHCP to parse the MAC addresses for these virtual machines, now I need to figure out how to get it to update DNS when one ...
0
votes
2answers
194 views

Why does my IP address change back to private range when I reboot?

I have a windows domain with DNS that forwards to my ISP and DHCP that passes out addresses in the 10.0.0.X range. Things were fine until recently, now when I reboot I get a 192.168.40.X address ...
1
vote
2answers
4k views

Running two wireless networks, with two different DHCP ranges (Virgin Media superhub woes)

I'm trying to create two wireless networks in my house, that would provide the client devices different ip address ranges and DNS settings, depending on which network they connect to. My current ...
1
vote
0answers
259 views

Windows not recognizing local network domain name

I'm setting up a small network for a club that I'm a member of. The layout is a single server with two ethernet interfaces, connected to a wireless router and a wireless bridge. The bridge connects to ...
3
votes
1answer
658 views

How to make WinServer's AD work with Linux DNS/DHCP on VMware?

I got 2 virtual machines : Windows Server 2008 with Active Directory installed. Linux that works as a DNS and DHCP Server I need to make them work together, but I don't if this is going to be ...
0
votes
1answer
77 views

DHCP: is DNS configuration optional?

As suggested by title: is there possibility that after a successful DHCP session, DNS server is not configured? Thanks,
0
votes
1answer
3k views

Change default DNS server in Arch Linux

I'm in Viet Nam and most social websites (Facebook, Twitter and the likes - even reddit) are blocked by the ISP DNS server. I tried to change the DNS server of my Arch box using the resolv.conf file, ...
1
vote
4answers
4k views

Setting up Active directory on a home network

I'm trying to set up AD on my Windows Server 2008 R2. I think the IP assigned by my router should be static. So when I turn off the router's DHCP and enable the DHCP Server in Windows, do all my ...
3
votes
5answers
17k views

DDWRT serving additional DNS servers instead of just the router's IP

I have a DD-WRT router set up with DNSMasq to resolve certain domains to internal addresses and pass everything else thru. The router itself is configured to use Google's public DNS servers to resolve ...
2
votes
3answers
741 views

ad blocking host file, shared to all computers on local network

I currently update my local hosts file with advertising server domain names and direct them to nowhere. Well, almost nowhere. I point them to 127.0.0.1 and I don't have a web service running so it is ...
2
votes
2answers
3k views

Can't ping network machines by hostname when behind wireless router on university network (only IP)

I have a TP-LINK wireless router (TL-WR340G) that is connected to my university LAN via an Ethernet cable (which assigns a dynamic IP address to each device connected). My Windows 7 computer is behind ...
1
vote
3answers
1k views

host(1) command only uses first nameserver?

According to the man page, host ought to query "the server or servers listed in /etc/resolv.conf," but it only uses the first entry in that file: thefourthtower:$cat /etc/resolv.conf nameserver ...
4
votes
1answer
905 views

Can I add DNS but keep those provided by DHCP in OSX?

I'm trying to add an additional DNS entry in my OSX network preferences but I want to keep the DNS provided by DHCP. These show up in gray, but when I click the plus button below them, they disappear ...
2
votes
2answers
557 views

Does it make sense having a separate DHCP server

I used to use Amahi, and Amahi by default has a built-in DHCP and DNS servers switched on. Now, I removed Amahi, and am assembling my own home server using Ubuntu server. My setup: an ADSL modem / ...
2
votes
2answers
180 views

Using DHCP manual/auto independantly from DNS manual/auto

I've read several definitions for DHCP and DNS on various sites. They all sound like they are 2 VERY different things. Why does Windows XP's property tab allow/disallow 1... when you allow/disallow ...