Dies libbsd DHCP provide a private network address?

Sebastian Huber sebastian.huber at embedded-brains.de
Wed Sep 8 17:29:22 UTC 2021


On 08/09/2021 19:04, Peter Dufault wrote:
> I've been looking into this but I don't see anywhere where a link-level private address might be assigned.  At one of my clients the RTEMS client (client overload!, my client, DHCP client) gets a link-level private address e.g. 169.254.208.184.  They insist that "libbsd" must be providing this as a fall-back address.  It happens infrequently.
> 
> Does the libbsd DHCP client have fall back to provide a private address, e.g. "169.254.208.184"?
> 
> I did some searching in "libbsd" but didn't find it.

The DHCP client of libbsd is dhcpcd. It provides a IPv4 link-local 
address if no DHCP offer is received after a timeout. This is enabled by 
default. You can disable it via the "noipv4ll" configuration option.

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