Questions tagged [dhcp]
DHCP is an auto configuration protocol used on IP networks.
727 questions
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50 views
Networkmanager shared wired connection no DHCP in hairpin mode
I'm setting up a Raspberry Pi as a mini router for university Accommodation, using NetworkManager to configure the connections, but I'm running into a problem. My current setup has a USB ethernet ...
- 31
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67 views
Fedora 36 NetworkManager delete old IP, DHCP addresses from adapter enp0s3
I am trying to remove an old IP and route from Fedora 36 NetworkManager. I recall my steps as I followed them. I am using Win-11 x86_64(host), VirtualBox 6.1.5, Fedora 36 (guest.) When I installed the ...
1 vote
1 answer
45 views
How to allow local network dotless names using Network Manager in Linux Mint with DHCP?
I have two hosts, MintPC and AlpineVM. The VM is on a bridged network so it appears as its own device on the network with its own address. Both obtain addresses through DHCP provided by my router/...
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78 views
dnsmasq '--read-ethers' and '--address' interaction
I run dnsmasq on a server (specifically OpenWrt) to act as both DHCP and DNS. OpenWrt DHCP configuration /etc/config/dhcp: option readethers '1' list address '/my-phone.lan/172.28.79.133' Which is ...
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1 vote
1 answer
92 views
Client PC (with DHCP assigned IP) cannnot get the Internet
I have one computer, Server, with two Ethernet ports, enp2s0 and enp3s0. What I want to do is that I want this computer to connect to the internet via company network (10.11.1.0/24) and also be a DHCP ...
- 87
0 votes
1 answer
216 views
PXE reading the file name incorrectly
I’m setting up a PXE boot environment using a DHCP server and a Realtek RTL8168 NIC (bulit-in ethernet on my mainboard). I’ve configured DHCP Option 67 to send the boot file name (netboot.xyz.efi), ...
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35 views
Reboot required after losing network on Linux 21.3 on a HP Pavilion on NowTV Model NR801 router
I'm running Linux 21.3 on a HP Pavilion. If lose wifi connection due to poor signal to my NowTV Model NR801 router, I'm unable to reconnect to any network (including wired) without rebooting my ...
Dave Russell
0 votes
2 answers
522 views
Why can't ifupdown find dhcpcd?
So I have an embedded system I've built with yocto. I'm trying to enable DHCPv6. But when I try to bring the interface online, ifup says it can't find DHCPv6 software, even though dhcpcd is ...
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1 vote
2 answers
329 views
Pop!_OS slow kernel boot time when ethernet cable not connected
I am running Pop!_OS 22.04 LTS on my laptop, which is based on Ubuntu 22.04 LTS. Linux is set up with root partition encryption, with auto-decryption set up during boot since I am only using the ...
0 votes
1 answer
184 views
Alpine Kea dhcp server deny unknown-clients
I checked the whole conf file but did not find the option equivalent to "deny unknown-clients" of Debian isc-dhcp-server. Possible?
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1 vote
1 answer
477 views
Getting systemd-networkd to honor [DHCPv4] FallbackLeaseLifetimeSec option
Related to this question How do you get systemd-networkd to honor the [DHCPv4] setting FallbackLeaseLifetimeSec=forever? (Or more probably, what am I doing wrong that is preventing this?) When it ...
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-1 votes
2 answers
143 views
Internet on USB to Ethernet adapter in a multi port Linux PC
Linux version : Ubuntu 22.04 server minimal This box has 3 NIC cards and all those three NIC cards will be configured with static addresses by configuring in file /etc/netplan/00-installer-config.yaml ...
1 vote
1 answer
275 views
Configure Debian to connect to ONT like IPoE/DHCP router provided by the ISP
My ISP provides a pre-configured Asus router running Linaro GCC 4.6-2012.02 which connects to ONT (fibre box) via Ethernet cable. I can SSH into the router and see the WAN interface: 18: vlan10@eth0: &...
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0 votes
1 answer
73 views
Need help building a wireless router that offers /30 public IP range through DHCP
I have a block of public IP addresses and I want to build a router using my Raspberry Pi to offer those public IP addresses to my devices behind CGNAT. The topology [Server](wireguard addr = 10.0.0.1/...
0 votes
1 answer
528 views
Why do I get a secondary IP address with DHCP?
I don't know why my pikvm gets 2 ip addresses for the wlan0. It's the only device that gets 2 in my entire network. 3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP ...
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