All Questions
43
questions
0
votes
0
answers
583
views
Issues when setting up static IP on Debian bookworm
I have recently started hosting my server from my PC and everything worked perfectly until my public IP changed. I taught I have successfully setup a static IP but I didn't. Now I am in a loop of ...
- 1
0
votes
1
answer
121
views
systemd-networkd, DHCPv6 lease - On debian 10 and above, unable to find org.freedesktop.network1.Manager in busctl output
I need to extract DHCPV6 lease information and from systemd-networkd's code it seems like DHCPV6 lease is not stored on disk, but is exported via DBUS using org.freedesktop.network1.Manager node.
...
- 1
0
votes
1
answer
543
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
1
vote
1
answer
2k
views
Debian Bullseye gets DHCP address instead of static after first boot
After a cold start, the NIC gets an IP-address from DHCP, not the static IP-adress that is defined in /etc/network/interfaces. After a warm boot, it gets the correct static IP-address. I have got a ...
- 21
2
votes
1
answer
2k
views
Prevent networkmanager to disable an interface if dhcp timeout when mixed dhcp and fixe ip configuration
I need to find a way for a computer to have both a fixed ip address AND have be a dhcp client on the same interface. So far it works great, I am using Debian 11 and NetworkManager.
The problem, is ...
- 301
1
vote
0
answers
1k
views
How to set the default outbound interface in Debian when using multihomed interfaces on EC2
In Debian 10 with an Amazon EC2 AMI (as of March 31, 2021), the /etc/network/interfaces file looks like this:
# Include files from /etc/network/interfaces.d:
source-directory /etc/network/interfaces.d
...
- 153
0
votes
1
answer
174
views
order of dhcp interfaces
My debian server has two interfaces:
iface eth0 inet dhcp
iface eth0.40 inet dhcp
It gets ip-addresses and anything else from an isc-dhcp-server. (That works well in common.)
But the dhcp options ...
- 101
0
votes
0
answers
316
views
Automatic IPv6 WAN Address Negotiation
I'm running vanilla Debian 4.19 as a home router but am having trouble setting up automatic IPv6 address negotiation at boot. I think I have the right settings for the WAN interface (eno1) in sysctl....
- 293
3
votes
0
answers
136
views
WICD Network Manager: Takes over a minute to cancel a network connection attempt. Forced to wait for DHCP client to timeout
Debian Buster XFCE using WICD. I do a lot networking work: setup and diagnosis of routing and switching. As such, it's not so rare that I ask WICD to connect to a network that has no functioning DHCP ...
- 116
0
votes
0
answers
2k
views
Debian DHCP Client can't find DHCP Server
I have a big problem with DHCP client on Debian.
Fresh Debian 10 installation (from debian.org), DHCP Client can't find DHCP Server
Logs from syslog:
Listening on LPF/enp2s0/<mac>
Sending on ...
1
vote
1
answer
907
views
Where can I get Debian IPv4 interface identifier?
I understood that nowadays Debian (I only use Debian so I don't know about other distros) no longer use MAC address to get a DHCP lease.
My machine MAC address is : 00:15:5d:40:41:41
Looking at my ...
- 243
15
votes
5
answers
14k
views
Can a computer running a DHCP server assign its own IP address?
Can a computer running a DHCP server assign its own IP address, or does it have to be set statically? If this is a question which depends on the DHCP software, then my configuration is a Debian server ...
- 2,954
0
votes
1
answer
4k
views
Debian 10 configuration as router for private to private network
I'm currently struggling to get a debian 10 system working as a router between two private networks.
Allow me to try and depict the setup
Network 192.168.2.X <-> Debian 10 Router <-> Network ...
- 2,954
2
votes
0
answers
192
views
tcpdump doesn't capture DHCP Discovery
I tried to capture DHCP Discovery through the tcpdump:
# ip l | grep enp5s0
3: enp5s0: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000
# tcpdump -ni ...
- 244
1
vote
1
answer
131
views
Slaying DHCP on a Debian Jessie virtual server
I have a problem with a Debian Jessie server running as an Intranet VMWare virtual machine.
This machine has been recently upgraded from Debian 7 Wheezy to Debian 8 Jessie (expecting continuing later ...
- 51