Questions tagged [dhcpcd]
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57 questions
2 votes
1 answer
140 views
dhcpcd does not send hostname, reverse DNS does not work
I am using Debian Trixie on a server. I have installed it using ZFSBootMenu documentation, without a desktop environment. The installation is quite minimal in term of packages. My motherboard has 2 ...
- 1,458
0 votes
1 answer
142 views
Is it safe to assign multiple IPv4 and IPv6 addresses to a single interface for roaming across multiple networks?
I’m working on a Raspberry Pi-based network device that moves between several known locations, each with its own IPv4 and IPv6 subnet. To streamline connectivity, I’m considering assigning multiple ...
- 1
0 votes
2 answers
524 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 ...
- 45
0 votes
1 answer
586 views
Can systemd networkd be configured for netboot, PXE boot, if yes, how?
If I understand this "issue" (systemd-networkd DHCP Server ignores SendOptions #15780), SystemD can be configured to handle network booting. However, I am unable to find more information ...
- 91
1 vote
0 answers
283 views
How to use dhcp option 12 (host-name) in dhcp server config
I have Linux system running DHCP server which assigns less than 5 leases to a similar clients, always. The connecting client can have different MAC OUI(first 3 bytes) and client uses the MAC address ...
- 111
0 votes
1 answer
675 views
dhcpcd times out at "waiting for carrier"
When I try to connect to wifi, dhcpcd gets stuck, # dhcpcd wlxf42853190543 dhcpcd-10.0.6 starting DUID 00:01:00:01:2d:1b:d8:8a:f4:e8:53:d9:78:b1 wlxf42853190543: waiting for carrier and times out. I ...
- 667
0 votes
1 answer
3k views
ARP table shows incomplete entry and connectivity lost
I have Linux device running 4.14.7 kernel. My device-A is directly connected to third-party device(Device-B) over 1Gig port. A UDHCPD server runs on dev-A which always assigns single IP address as per ...
- 111
0 votes
0 answers
79 views
Connecting to Wifi: org.freedesktop.resolve1: Permission denied
I have this problem when I try to connect to the wifi. If I run resolvectl I get the following error: resolvectl Failed to get global data: Failed to execute program org.freedesktop.resolve1: ...
- 137
0 votes
0 answers
273 views
dhcpcd: set priority for link-local connections
I see that there is a metric keyword in the dhcpcd.conf (as explained e.g. https://unix.stackexchange.com/a/413036/47009), which allows me to set the routing priority for a given interface. However, i ...
- 6,734
0 votes
1 answer
373 views
Get prefix length of IPv6 from dhcpcd
I use dhcpcd to acquire an IPv6 address. Is there a way to find out the prefix length of the acquired IPv6 through dhcpcd? Added this to the dhcpcd.conf to get an IP for eth0 interface eth0 ipv6rs ...
- 75
0 votes
1 answer
754 views
Unable to get IPV4 with dhcpcd on Alpine in a dual stack setup
After installing dhcpcd, the machine is unable to get IPv4 from DHCP, but generate IPv6 as expected and get DHCPv6 options (like DNS, domain, etc.); the config in /etc/networking/interfaces is auto lo ...
- 1
-1 votes
2 answers
722 views
Raspbian static IP on Wifi without DCHP service
I've tried to set up a static IP on a RPi4 running the latest Raspbian Lite (Bullseye), so I can remove DHCP entirely. My /etc/network/interfaces file looks like: # Include files from /etc/network/...
- 97
1 vote
0 answers
422 views
dhcpcd deleting gateway
I'm trying to switch from DHCP to static IP by using dhcpcd. When I switch from static to DHCP I'm configuring that eth0 (which used to have the static address) will also be the one with the DHCP ...
- 75
0 votes
2 answers
248 views
How to "predict" a DHCP IP address?
Before launching a VM from my script, I need to figure out which IP address it will get. So I did: dhclient <interface> And this works, because dhclient uses the MAC address from the macvtap ...
- 233
1 vote
1 answer
440 views
Is there an example dhcpd.conf that contains an example for each option?
OS: Debian 11 I'm attempting to create an example isc dhcpd.conf which has an entry for each option. So far I've managed to find about 30 options to include but I can't find the other ~160. I looked ...
