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  • NetworkManager
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  • #974
Closed
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Created Apr 05, 2022 by Marc Richards@talawahtech

Is there a way to get the internal dhcp plugin to transition from BOUND to EXTENDED more quickly

I am running Fedora 34 on an AWS EC2 instance. When the instance starts up, NetworkManager does an initial DHCP request to obtain an IP address and the state is changed from UNKNOWN to BOUND:

NetworkManager[1314]: <info> [1649110935.4679] dhcp4 (eth0): state changed unknown -> bound, address=172.31.XX.XXX

After 30 minutes, NetworkManager renews the DHCP lease and the state changes from BOUND to EXTENDED.

NetworkManager[1314]: <info> [1649112735.4807] dhcp4 (eth0): state changed bound -> extended, address=172.31.XX.XXX

While it is still in that BOUND state for the first 30 minutes, NetworkManager keeps an AF_PACKET socket open. Keeping this type of socket open has a negative impact on some high performance benchmarks that I am running, so I would like to get out of that state as soon after startup as possible. Is there a way for me to force the transition to happen any sooner?

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