From LedHed's Wiki
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Current versions of Linux distros are obtaining DHCP leases with Randomized MAC addresses which I find aggravating when trying to track down a host by MAC. It also blows up a DHCP reservation if you re-install an OS on the same Hardware/VM. | Current versions of Linux distros are obtaining DHCP leases with Randomized MAC addresses which I find aggravating when trying to track down a host by MAC. It also blows up a DHCP reservation if you re-install an OS on the same Hardware/VM. | ||
| + | == Solution 1 == | ||
| + | echo " dhcp-identifier: mac" >>/etc/netplan/xxx.yaml | ||
| + | netplan apply | ||
| − | == Solution == | + | |
| + | == Solution 2 (old) == | ||
echo "send dhcp-client-identifier = hardware;" >>/etc/dhcp/dhclient.conf | echo "send dhcp-client-identifier = hardware;" >>/etc/dhcp/dhclient.conf | ||
rm /var/lib/dhcp/* | rm /var/lib/dhcp/* | ||
| Line 11: | Line 15: | ||
== References == | == References == | ||
| + | https://superuser.com/questions/1338510/wrong-ip-address-from-dhcp-client-on-ubuntu-18-04 | ||
| + | |||
https://superuser.com/questions/1553094/force-to-use-mac-address-as-dhcp-client-id-on-debian-buster | https://superuser.com/questions/1553094/force-to-use-mac-address-as-dhcp-client-id-on-debian-buster | ||
[[Category:Linux]][[Category:Ubuntu]] | [[Category:Linux]][[Category:Ubuntu]] | ||
Latest revision as of 10:47, 1 June 2022
Overview
Current versions of Linux distros are obtaining DHCP leases with Randomized MAC addresses which I find aggravating when trying to track down a host by MAC. It also blows up a DHCP reservation if you re-install an OS on the same Hardware/VM.
Solution 1
echo " dhcp-identifier: mac" >>/etc/netplan/xxx.yaml netplan apply
Solution 2 (old)
echo "send dhcp-client-identifier = hardware;" >>/etc/dhcp/dhclient.conf rm /var/lib/dhcp/* systemctl restart networking
References
https://superuser.com/questions/1338510/wrong-ip-address-from-dhcp-client-on-ubuntu-18-04
https://superuser.com/questions/1553094/force-to-use-mac-address-as-dhcp-client-id-on-debian-buster