James Chapman wrote: > Andrew Morton wrote: >> On Wed, 21 May 2008 14:56:43 +0200 Matthias Cramer >> wrote: >>> I have a very wired behaviour when doing IPv6 over PPPoE. >>> >>> The situation: >>> >>> A linux box connected to a DSL Modem, on the other side is a Cisco >>> LNS which terminates the PPP session (actually L2TP). >>> I have control over both ends. >>> >>> When I have net.ipv6.conf.all.forwarding set to 0 then the ppp >>> Interface gets a IPv6 address from the Cisco via IP6CP. >>> When I have net.ipv6.conf.all.forwarding set to 1 them the ppp >>> Interface does not get an address, it has only a normal link local >>> address. > > What do you mean by normal link local address? a fe80:: address, which every IPv6 enabled Interface has... > >>> When I start the ppp session with forwarding set to 0 I can ping out >>> and there exists a default route to ppp0 , then I switch forwarding to 1 >>> the default route disappears and therefore routing does not work any >>> longer. > > Did this work with previous kernel versions? No, in my opinion it never worked. But I thought that pppd does it wrong because id never got an IPv6 address. But I had always forwarding enabled. Now in this case i started pppd without forwarding enabled and got an address. > > Does pppd log any errors? No, no errors -- Matthias Cramer System & Network Manager Interway Communication GmbH Phone +41 43 500 1111 Josefstrasse 225 Fax +41 44 271 3535 CH-8005 Zuerich http://www.interway.ch/