Hi Chris, On Tue, Aug 17, 2010 at 21:47, Chris Buechler <[email protected]> wrote: > On Tue, Aug 17, 2010 at 10:14 AM, Aarno Aukia <[email protected]> wrote: >> We're seeing an interesting dhcp problem with one ISPs (Swisscom) VDSL >> product, where the dhclient tries to renew the WAN IP address with >> unicast to udp port 68 but from a random high port instead of the >> dhcp-client udp port 67 and gets dropped therefore. > > I've never seen dhclient behave like that, sure you don't have > Outbound NAT that's catching your DHCP requests (like by specifying > source "any")?
Yep, we have a 50/50-mix of "Automatic outbound NAT rule generation" and "Manual Outbound NAT rule generation" with the default rule. Looking at the dhclient code this seems to be expected though (for unicast renewals to the DHCP server IP, not for the broadcast discovery/renewal). -Aarno -- Aarno Aukia Atrila GmbH Switzerland --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected] Commercial support available - https://portal.pfsense.org
