Unix & Linux Asked by Yehor Pererva on January 30, 2021
I have a laptop in the university network with both WiFi and Ethernet.
I tried to start the DHCP server on its Ethernet port according to this tutorial and lost connectivity after DHCP server started. At the moment of set-up, the laptop was connected to the university network with WiFi, was reachable from the network and I used ssh
to configure it.
What was done:
# installing the isc-dhcp-server
sudo apt install isc-dhcp-server -y
# configuring via editing the /etc/dhcp/dhcpd.conf
sudo nano /etc/dhcp/dhcpd.conf
In file /etc/dhcp/dhcpd.conf
I:
authoritative;
subnet 10.42.15.0 netmask 255.255.255.0 {
interface enp0s25;
option routers 10.42.15.1;
option domain-name-servers 10.42.15.1;
range 10.42.15.10 10.42.15.255;
}
Where enp0s25
is Ethernet interface obtained using the ip addr
, while for WiFi it is wlo1
.
After that, I started the dhcp server as:
sudo systemctl start isc-dhcp-server
And the same time I lost connection to the laptop.
What I’ve done wrong and what should be done differently to prevent such behaviour?
Thank you!
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