All Questions
121
questions
0
votes
2
answers
48
views
VMware DHCP server (vmnet-dhcpd) rejects option "rfc3442-classless-static-routes"
I am trying to set up the VMware DCHP server to push a static route (192.168.248.0/24 -> 192.168.248.129) to DHCP clients (VMs) connected to a custom interface called vmnet14. I referred to this ...
- 125
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
0
votes
0
answers
154
views
Unable to set static IP on remote gentoo machine, only dhcp assigned IP gets internet connection
I've got a machine with no physical access that I want to ssh into, I'm now using tor to do that but I would like to connect directly to improve latency and throughput. I had set up port forwarding ...
3
votes
0
answers
1k
views
Linux network manager getting two ip addresses instead of one
I have a problem that when I connect to network using NetworkManager in Linux (doesn't happen when using wpa_supplicant but I don't like it) it gets two IPv4 addresses that show up as for example 192....
- 96
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
407
views
pihole-FTL (dnsmasq) removes the default route when supplied with option 121
I have a Linux box that serves as a DHCP, DNS (via pihole-FTL) and WireGuard servers. I wanted to make the VPN network reachable from the network that device is on. After some research I found option ...
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
0
votes
1
answer
197
views
Openvpn fails running dhclient script
I have an OpenVPN setup running in bridge mode (tap).
I have to run dhclient tap0 manually after connecting to vpn.
I want to automate this, so I added those lines in my ovpn conf :
script-security 2
...
- 1
2
votes
1
answer
523
views
ISC DHCPD: Dynamic IP Range for all Members of Class matched by Hardware Address
I have a DHCP server (Version: isc-dhcpd-4.3.5) running on Debian and managing multiple subnets, all running on virtual interfaces eth1:1, eth1:2, etc. over the same physical interface eth1.
All ...
- 147
0
votes
1
answer
170
views
Can I set up a linux box with a managed switch as a sort of firewall between my security cameras and the rest of my home?
I've got my home network, a netgear gs716tp (managed switch), a linux machine, and some security cameras.
I'm wanting to set things up so that my home network can see the linux machine, and the linux ...
- 145
1
vote
1
answer
1k
views
dnsmasq assigns the same IPv4 address for different hosts
I have a problem with dnsmasq DHCP server on Linux. I use Arch Linux as operation system for a server and clients. They are virtual machines if it does matter. The problem is that dnsmasq assigns the ...
- 145
1
vote
1
answer
2k
views
DHCP not assigning IP to network interface
Running dhcpd from CLI with configuration file on /etc/dhcp/dhcpd.conf, returns:
No subnet declaration for enp2s0 (no IPv4 addresses).
** Ignoring requests on enp2s0. If this is not what
you want, ...
- 13
1
vote
0
answers
191
views
Arch Linux DHCP Problems
I’m stuck in Arch Linux internet setup. I’m attempting to dual boot Windows 10 and Arch Linux but the part I’m getting stuck at is setting up DHCP, when I enter dhcpcd enp3s0 console replies with
...
0
votes
1
answer
259
views
On Ubuntu 20.04, DHCP keeps overwriting static address assigned via Network Manager
I have properly configured the interface with this yaml file:
network:
renderer: networkd
ethernets:
ens33:
addresses: [192.168.174.131/24]
gateway4: 192.168.174.2
...
- 1
0
votes
0
answers
228
views
I logged in and saw two ip's on the same device (enp3s0). DHCP won't work well. How do I resolve this?
While ssh-logging in on a 20.0.4 ubuntu server using the hostname I saw this:
IPv4 address for docker0: 172.17.0.1
IPv4 address for enp3s0: 10.0.0.10
IPv4 address for enp3s0: 10.0.0.14
IPv6 ...
- 101