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| linux_router:ipoe [2022-12-29 Thu wk52 16:29] – [dhclient] baumkp | linux_router:ipoe [2023-04-30 Sun wk17 17:43] (current) – external edit 127.0.0.1 |
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| ====dhclient==== | ====dhclient==== |
| The following dhclient commands are used to manual control dhcp connections. Note however this does not work with the built-in systemd-networkd dhcpd functionality (see man systemd-networkd, networkctl and systemd.netdev). ++++TLDR:| | The following dhclient commands are used to manual control dhcp connections. Note however this does not work with the built-in systemd-networkd dhcpd functionality (see man systemd-networkd, networkctl and systemd.netdev). |
| | ++++tldr:| |
| *To remove existing connected dhcp leased connections on eno1: ''sudo dhclient -r eno1'', note this also seems to remove static IP addresses. | *To remove existing connected dhcp leased connections on eno1: ''sudo dhclient -r eno1'', note this also seems to remove static IP addresses. |
| *It is under stop the ''-x'' removes the local dhcp connection, but does not contact the upstream DHCP serve to remove lease, e.g. ''sudo dhclient -x eno1'' | *It is under stop the ''-x'' removes the local dhcp connection, but does not contact the upstream DHCP serve to remove lease, e.g. ''sudo dhclient -x eno1'' |
| *To manual request a dhcp lease connection on eno1: ''sudo dhclient -4 eno1'' , the ''-4'' flag restricts operation to IPv4. | *To manual request a dhcp lease connection on eno1: ''sudo dhclient -4 eno1'' , the ''-4'' flag restricts operation to IPv4. |
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| ===dhclient@.service=== | ===dhclient@.service=== |
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| ''sudo vim /etc/systemd/system/dhclient@.service'' ++++ dhclient@.service| | ''sudo vim /etc/systemd/system/dhclient@.service'' |
| <code> | <code> |
| [Unit] | [Unit] |