Freeradius DHCP and "Failed adding ARP entry: Failed to add entry in ARP cache: Operation not permitted (1)"
aland at deployingradius.com
Tue Aug 3 14:04:39 CEST 2021
On Aug 2, 2021, at 3:57 PM, CpServiceSPb <cpservicespb at gmail.com> wrote:
> I may be wrong.
> But I detected that the issue appears for udp 0 0.0.0.0:67 only.
> If there is udp unicast_IP:67 (for example udp 192.168.0.254:67 - packets
> receiving from relays) , there is no such issue.
Yes... if the address is unicast, then ARP works.
FreeRADIUS could create DHCP packets itself and send them. But that also requires opening a "raw" socket. So it will still need special permissions.
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