Questions tagged [dhcp]
Dynamic Host Configuration Protocol; allows computers on the same network to automatically obtain unique IP addresses and other network configuration parameters.
1,670
questions
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
0
votes
2
answers
145
views
How can I debug my network: Setting up multiple access points
Path to the problem
In the new apartment where I live in, a single router (vodafone) takes the internet signal and shares it over hubs to four other routers (3 tp link, 1 fritzbox) and one access ...
- 123
2
votes
2
answers
1k
views
PXE Boot targeting gateway and ignoring Option 66
Some time ago I configured network boot for my Raspberry Pi's, so that they boot off of my main server. Since the Pi's do things a little bit differently, I though it could be fun to get PXE Boot ...
- 21
0
votes
0
answers
62
views
dhcpd leased a permanent address - why?
I'm using isc-dchp-server on my home network. Today my only desktop client wasn't able to recieve an IP address from the dhcpd server, which is strange because it has a reserved address in dhcpd.conf:
...
- 1
0
votes
1
answer
135
views
Best effort secondary DHCP server with overlapping pools
I'm not experienced with DHCP configuration, and I'm looking for the best effort solution to the following non-ideal situation:
Devices I'm working with
An iPhone (sometimes a DHCP server)
Wifi ...
- 670
0
votes
0
answers
376
views
How to disable the DHCP client in Windows 10 Enterprise completely?
I have a PC with Windows 10 Enterprise x64. The PC has 2 physical network interfaces; let's name them NIC1 and NIC2.
I have disabled NIC2, using the Windows UI, and I have removed the network cable ...
- 1,835
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
2
votes
0
answers
323
views
Proxy DHCP via dnsmasq: Grub welcomes me, but then gets stuck
I am attempting to EFI PXE boot GRUB2 using a Proxy DHCP server... It worked just fine with this configuration, which simply replaced the DHCP server:
interface=enp3s0
dhcp-range=192.168.1.10,192.168....
0
votes
0
answers
361
views
Printer gets IP from dhcpd but can't be pinged?
My dhcpd server sees the printer on the LAN. It receives a DISCOVER, and will assign it an IP:
dhcpd[1378]: DHCPOFFER on 10.1.0.11 to 00:26:73:75:a8:79 via br0
dhcpd[1378]: DHCPREQUEST for 10.1.0.11 (...
- 227
0
votes
1
answer
546
views
How to obtain reserved IP address from dnsmasq DHCP server?
I'm working on an assignment that asks me to connect 2 VMs to each other.
The first (king) functions as a DHCP server using dnsmasq.
The second (queen) is supposed to be provided with a reserved IP ...
- 1
0
votes
2
answers
2k
views
What can be the reason for random intermittent connections?
I have been getting random intermittent internet connections on few particular devices. Let us call these PC1, PC2 and Mobile1.
PC1 and PC2 are wired connections and Mobile1 uses wireless connection.
...
- 1
-1
votes
1
answer
476
views
Is it possible to force the use of DHCP on Wireless connections? (i.e. not on Wired ones)
I have an Asus router AC87U. Is it possible to block wireless connection for devices that are configured with a static IP while still allowing LAN connections for devices that are also configured with ...
- 195
0
votes
2
answers
56
views
Is there a chance for a laptop with a static IP to get connected to a random Wifi network?
Is there a chance for a laptop with a static IP to get connected to a random Wifi network? For example: a laptop is configured with a static IP address of 192.168.1.5 and attempts to connect to a ...
- 195
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
551
views
DHCPv6 Options for Network Time Server
While for DHCPv4 there appears to be exactly one option to specify (S)NTP servers, namely 42, DHCPv6 seems to offer two separate ones:
OPTION_SNTP_SERVERS (31) uses the same configuration format as ...
- 11