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containernetworking-plugins/vendor/github.com/insomniacslk/dhcp/CONTRIBUTORS.md
Songmin Li d61e7e5e1f fix(dhcp): can not renew an ip address 
The dhcp server is systemd-networkd, and the dhcp
plugin can request an ip but can not renew it.
The systemd-networkd just ignore the renew request.

```
2024/09/14 21:46:00 no DHCP packet received within 10s
2024/09/14 21:46:00 retrying in 31.529038 seconds
2024/09/14 21:46:42 no DHCP packet received within 10s
2024/09/14 21:46:42 retrying in 63.150490 seconds
2024/09/14 21:47:45 98184616c91f15419f5cacd012697f85afaa2daeb5d3233e28b0ec21589fb45a/iot/eth1: no more tries
2024/09/14 21:47:45 98184616c91f15419f5cacd012697f85afaa2daeb5d3233e28b0ec21589fb45a/iot/eth1: renewal time expired, rebinding
2024/09/14 21:47:45 Link "eth1" down. Attempting to set up
2024/09/14 21:47:45 98184616c91f15419f5cacd012697f85afaa2daeb5d3233e28b0ec21589fb45a/iot/eth1: lease rebound, expiration is 2024-09-14 22:47:45.309270751 +0800 CST m=+11730.048516519
```

Follow the https://datatracker.ietf.org/doc/html/rfc2131#section-4.3.6,
following options must not be sent in renew

- Requested IP Address
- Server Identifier

Since the upstream code has been inactive for 6 years,
we should switch to another dhcpv4 library.
The new selected one is https://github.com/insomniacslk/dhcp.

Signed-off-by: Songmin Li <lisongmin@protonmail.com>
2024-10-14 17:42:30 +02:00

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Contributors

  • Andrea Barberio (main author)
  • Pablo Mazzini (tons of fixes and new options)
  • Sean Karlage (BSDP package, and of tons of improvements to the DHCPv4 package)
  • Owen Mooney (several option fixes and modifiers)
  • Mikolaj Walczak (asynchronous DHCPv6 client)
  • Chris Koch (tons of improvements in DHCPv4 and DHCPv6 internals and interface)
  • Akshay Navale, Brandon Bennett and Chris Gorham (ZTPv6 and ZTPv4 packages)
  • Anatole Denis (tons of fixes and new options)