All Questions
214
questions
0
votes
0
answers
29
views
User's PC have 2 different IP in the same DHCP network
I currently have an issue with a user on Active Directory where their PC have 2 different IP address but in the same DHCP network (ex: IP 1: 192.168.1.10, IP 2: 192.168.1.11), gateway: 192.168.1.1). ...
0
votes
1
answer
70
views
Windows 10/11 network does not show all the computers
Three PC - Win 11 Home, Win 10 Pro (2x)
Gigabit Ethernet, router (CISCO/TP-Link/Mikrotik) as DNS and DHCP server (static/dynamic/predetermined), the same workgroup
Setting is the same in all the PCs:...
0
votes
1
answer
77
views
Reverse-DNS not correct (BIND9 DNS + ISC DHCP)
In my home network under Ubuntu I use a BIND9 DNS server and an ISC DHCP server with Webmin.
Here are my settings:
DNS Master Zone:
Foward: home.local
Reverse: 192.168.5
/etc/bind/named.conf.local:
//...
- 1
1
vote
0
answers
598
views
How to prevent dnsmasq from creating AAAA records for hosts using DHCPv6?
I have a dual stack (V4+V6) internal network with dnsmasq providing DNS, DHCP, and DHCPv6 services. I want to use ipv4 for most of my internal host to host communications, so I don't want dnsmasq to ...
- 11
0
votes
0
answers
213
views
Windows 10 using wrong DNS server
I have a local DNS server. My router is configured to provide both IPv4 and IPv6 addresses of the local DNS server, but regardless, the DHCP server is also the DNS server so AFAIK the router plays no ...
- 101
0
votes
1
answer
27
views
How can I configure a MI424WR wireless router to provide specified DNS servers to DHCP clients?
I have a MI424WR wireless router. How can I configure it to provide specified DNS servers to DHCP clients so that they use my internal DNS server, instead of the routers built-in DNS server?
- 1,301
0
votes
1
answer
421
views
On my machine with Windows 11 22H2 the DNS settings on multiple network cards automatically change to manual after some hours
As mentioned in the title, whenever I set the network cards to get their settings via DHCP, after some hours or on the next day I realize that the settings on multiple cards (WiFi, LAN (not physically ...
- 1
1
vote
0
answers
250
views
How to configure a gateway's DHCP and DNS to resolve hosts with the same hostname but different vlan domains?
A local network 192.168.1.0/24 has vlans 'datacenter' 10.10.10.0/24 and 'staging' 10.10.20.0/24. Hosts are created in each of these vlans with identical hostnames, such as 'example.datacenter' and '...
- 11
1
vote
0
answers
689
views
DHCP server assigining wrong IP address
I have a strange problem with a few laptops. I noticed that all of a sudden one laptop stopped getting ethernet connection. It managed to get an IP with all the rest of the info (subnet, DNS servers, ...
- 467
0
votes
0
answers
453
views
TrueNAS Plex plugin DNS Error
I'm fairly new to TrueNAS and have just setup a server with it installed. I want to install plex using the plugin. when I install plex with DHCP and NAT unchecked I use the ipv4 interface as vnet0 and ...
- 1
0
votes
0
answers
43
views
Can't ping router
When I first installed Fedora-38, I could reach the Internet, so the current lack of connectivity can't be drivers or cables. The NetworkManager was constantly attempting to connect wlp5s0, failing ...
- 11
0
votes
0
answers
251
views
Distinct DNS for two VLANs using Dnsmasq and FreshTomato
I have two VLANs on my router and am trying to serve distinct DNS to each of them. I found this thread that shows a user trying to accomplish something similar.
I've done research before finding that ...
0
votes
0
answers
616
views
Access a network machine with ip address but not with the name?
In the File Explorer in can access the machine with ip address \10.xxx.xx.xx but cant access it at \hostname. I have two machines that have this issue.
Both the machines are on LAN. They have static ...
- 23
2
votes
0
answers
199
views
ISC DHCP Server working but Bind9 is not working
So I have been trying to set up my own DCHP and DNS servers on my old 2012 Mac Mini running Ubuntu Server 22.04. The Bind9 is running on a docker container with this compose file:
version: "3&...
- 21
0
votes
1
answer
86
views
Resolving private ip using device name/hostname
I am programming for a raspberry pi headless setup and I and my cross-compiling toolchain ssh into it very frequently. The device name it registers with to my wifi router is "rpi" and ...
- 101
0
votes
3
answers
1k
views
Find DHCP hostname and IP address of remote computer (behind firewall)
I’ve got a Mac at work, behind a firewall, with an IP address and hostname assigned via DHCP.
If I have the hostname and/or IP address, I can use ssh or a vnc client to access the machine if I ...
- 159
1
vote
2
answers
811
views
How does a DHCP server get the DNS info from the ISP?
Just so I know.
Whether you use a standalone DHCP server or one embedded in a SOHO router, how does the DHCP server obtain the typical 2 DNS IPs it passes to clients?
My idea is that, when a SOHO ...
- 1,031
0
votes
1
answer
648
views
How does ISP's DNS works?
Computers can connect websites using ISP's default DNS even if a DNS is not configured. How do clients or the router know the address of the DNS?
0
votes
1
answer
660
views
Losing client side domain name resolution after rebooting the corresponding DHCP/DNS server based on 'dnsmasq'
As I'm far from an advanced network manager, please help me if you can.
Some weeks ago I 'reconfigured' my home network with a manageable DNS/DNS relay service to allow us to use home only domains ...
0
votes
1
answer
3k
views
How to configure dhcpcd to work with default dns?
I have an embedded Linux device which connects to wifi. It is configured with DHCP and configured to use a specific DNS server. The current configuration works.
However, I want to remove the DNS ...
- 25
1
vote
3
answers
2k
views
Is it possible to replace the DHCP and DNS functionality of your ISP router with a raspberry-pi/pi hole? (More specifically, does DHCP include DNS?)
I have a raspberry pi currently set up with Pi-Hole. Unfortunately, I cannot change the DNS settings on my ISP provided router (called a "Funbox 3.0"). It has a DNS tab with textboxes for &...
- 153
1
vote
1
answer
962
views
How to consolidate local DNS from multiple routers and multiple DHCP servers?
I have a private network with several OpenWrt routers connecting some local subnets. I use NAT on a couple of the routers to give access to the internet via different providers.
I run a local DNS ...
- 169
0
votes
1
answer
415
views
Are there no DNS entries for static pi-hole dhcp hostnames?
A pi-hole instance is also acting as the DHCP server in my network. I assigned static IP addresses for some of my devices (eg. an octopi server with Hostname "octopi" and IP address "...
- 51
0
votes
0
answers
39
views
Hyperactive DHCP and related issues
I have a simple home network - modem --> Nighthawk router --> D-Link 24 port switch --> bunch of clients (including three Ubiquiti APs - nobody uses the router wifi at all). I put the ...
- 143
0
votes
1
answer
386
views
Dynamic DNS updates via DHCP on CentOS
I'm running mostly Ubuntu VMs in an vSphere cluster where a VLAN is managed by a DHCP and a Windows DNS. From the Ubuntu VMs I can update the DNS records in the Windows DNS to point the dynamic IP to ...
- 842
0
votes
1
answer
1k
views
How to add an arbitrary persistent DNS server at the top of resolv.conf as DHCP is on and resolvconf util is not an option?
Good [whatever]ning all. The matter is in the headline above.
OS: CentOS 8 (4.18.0-305.3.1.el8.x86_64).
But first, several preconditions are:
A setting static ip's wether into global-dns-domain ...
- 1
0
votes
1
answer
904
views
How can I configure the hostnames of my servers from services on the network? What should I use? A DHCP? A DNS? Both?
I'm trying to establish a way to configure my servers' hostnames in a centralized way, that is, from some service on the network that does it.
I know there are three names that identify a server...
...
- 1,254
0
votes
1
answer
44
views
No longer able to visit, push or pull or get any response from GitHub
From one moment to the other without changing anything in my network or PC, I suddenly can no longer visit github.com, and can no longer pull/push my repositories.
Everything else works perfeclty fine....
- 103
2
votes
3
answers
6k
views
Why the IP address of the router is used as the address of the dns server?
These are the steps for converting a router to dhcp:
Why used the router IP as the DNS server IP address in the last case?
Should not use the IP address of servers like Google (8.8.8.8)?
- 514
0
votes
1
answer
2k
views
While using phones hotspot , should the wifi mac address same as the dhcp mac address?
I have my laptop connected to internet through my mobile phone's hotspot . Now on doing
ipconfig /all
in cmd , it shows the same address for DHCP and DNS servers (supposedly my phone is expected to ...
5
votes
1
answer
9k
views
pfSense DNS Resolver does not resolve local hostnames from DHCP static mappings
I'm on pfSense Community Edition 2.4.5-RELEASE-p1
I assigned some static DHCP mappings on one of my LAN interfaces
If I try to reach any one of those static mapped hosts by its Hostname (or by Client ...
- 261
1
vote
2
answers
1k
views
Can't resolve hostname in sub-network
I have a raspberry pi (192.168.1.1) set up as an AP for a few devices. The WIFI connection works,
DHCP also seems to give out valid addresses.
The issue is that none of the devices in the network are ...
- 23
1
vote
0
answers
60
views
split a zone file in multiple locations (for statis entries and ddns updates)
Im'm trying to have dhcp update my bind9 zone file with leases of clients, but, as I understand it /etc/bind/ is not writable by bind - should be just for reading static zone files. But /var/lib/bind ...
- 43
1
vote
0
answers
429
views
Setup DNSMasq as caching DNS server and DHCP for local network for IPV6 with a seperate router/gateway
I have setup a home network on which I have been running my DNSMasq IPV4 caching DNS server for a few years. It is not the router/gateway and I want to add support for IPV6 and what I think I ...
- 1,336
0
votes
0
answers
491
views
How to debug DHCP client not using remote DNS server for hostname lookup on both Linux & Windows
I'm having some trouble setting up a DHCP/DNS solution - specifically, getting the clients to use the DNS service provided by the router.
I have an "EdgeRouter" that I have set up as a ...
- 372
1
vote
2
answers
2k
views
How can I Host a website with a Domain name just within the Local Network?
I host a website on a local network with XAMPP. I usually access it with the IP address on another device.
How can I host my website on a domain like website.local ?
- 171
2
votes
1
answer
1k
views
How does Windows 10 obtain the default DNS server?
Let's say I have a computer connected to a router:
Network: 192.168.0.0/24
Router: 192.168.0.1
PC: 192.168.0.2 through DHCP
The DNS setting is set to "Obtain automatically".
How does Windows ...
- 23
1
vote
0
answers
245
views
dnsmasq - Disable integration of DHCP-configured hosts into the DNS
In a common dnsmasq installation, serving as both a DHCP server and a DNS server, the DHCP server integrates with the DNS server and registers the hostnames of DHCP-configured hosts into the DNS. For ...
- 11
0
votes
3
answers
686
views
How is the information regarding the IP address for a Default Gateway in a home network stored and communicated around the network
I’m exploring possible ways to manually set my primary and secondary DNS server addresses.
My home network uses a consumer-grade router (issued by the Internet Service Provider) and all my devices ...
- 1
1
vote
1
answer
2k
views
Configuring ISC Bind and DNS Connection Specific Suffix
I'm pretty new to setting up DNS and DHCP servers. I've configured an ISC Bind 9 DNS server on Windows 10 on a network to have a local domain with forward and reverse zones and have the router ...
- 187
0
votes
2
answers
1k
views
DHCP server on access point seems to block any access to the internet
I am trying to build the following network:
ADSL Modem > Various Machines (Wireless and Wired)
> Switch > Wifi Access Point with DHCP Server > Various machines connected by ...
- 3
2
votes
0
answers
817
views
Why does DHCP on this wifi network intermittently fail, and what can I do (as a client only) to fix it?
I use a building Wi-Fi network that I don't control. Normally it works fine, but fairly routinely I have trouble where my laptop (Windows 8.1, Intel Dual Band wifi chipset) gets "limited network ...
- 121
3
votes
0
answers
3k
views
DNS/DHCP server in multi-machine private-network Vagrant setup
Question
Is it possible to configure vagrant, using a multi-machine Vagrantfile, to have one of the VMs act as the DNS server and DHCP server (i.e. using dnsmasq) for a private network used by all ...
- 31
3
votes
1
answer
4k
views
Does systemd-networkd / systemd-resolved add search domains specified in DHCP?
I'm using systemd-networkd and systemd-resolved to manage my network configuration and DNS resolution. I thought it would include search domains specified by the DHCP server, but it doesn't appear to.
...
- 131
0
votes
2
answers
2k
views
I have dns leak with openvpn in fedora 30
I've set up OpenVPN on Ubuntu server, And I'm running Fedora 30 at home, And I noticed that I have dns leak.
I have tried many solutions like the following :
solution(1) : Worked for a bit
New file:...
- 11
0
votes
2
answers
675
views
Having a static DNS hostname
I have a real-time application running on my Raspberry Pi 3 B+ who generate a (very big) logs file. To allow non-technical people to download it, I create a Desktop application coded with Electron (...
- 113
2
votes
0
answers
387
views
Resolve local DNS names from DHCP server? (NetworkManager touble)
I have a machine running Fedora acting as a LAN/WAN gateway that runs dnsmasq as a DHCP server for the LAN. This works great for the clients, but the gatway machine itself is unable to resolve names ...
- 288
0
votes
0
answers
38
views
DNS into other VLAN on ipv6
I had this setup:
L3 - L2 - Client
|
DNS Server
where the L3 had SLAAC and stateless DHCPv6 enabled. There were no VLANs configured.
At this point, the Client was getting an IP and a DNS ...
- 250
4
votes
1
answer
9k
views
What is the difference between a Name Server and a DNS Server?
Similar questions have been asked and answered with a treatise on network topologies. I do have networking experience, and I am hoping to get more to the point in my explanation. I was configuring ...
- 61
3
votes
0
answers
7k
views
nslookup returns IPv4 and IPv6 of DNS and does not resolve names
I have no idea what I'm doing with DNS and know enough to know the extent of my ignorance, but I'm charged with trying to troubleshoot a remote device on a remote network, both of which I do not have ...
- 131