On Tue, Mar 15, 2011 at 08:02:38AM +0100, Christophe Etcheverry wrote:
> On 22:14 Mon 14 Mar     , Stuart Henderson wrote:
> >> I use OpenBSD i386 -current on a Soekris net5501 as a gateway using
> >> pppoe(4) to create only an ipv4 connection. I never had any problem but
> >> since an upgrade last week, pppoe(4) try to create an ipv6 connection too.
> > 
> > I don't see why this would be anything new - pppoe(4), or more specifically
> > sppp(4), has supported v6 since 2007.
>  
> Yes, my isp's warning surprised me too but the appearance of the ipv6cp
> spamming the exact same day of my upgrade is kind of weird.
> 
> > you can add -inet6 to the top of hostname.pppoe0 (or type "ifconfig pppoe0
> > -inet6") and sppp(4) no longer attempts IPV6CP.
> 
> Thank you for this advice but even when I do that my gateway throw a lot
> of ICPV6CP requests.
> 
> # ifconfig pppoe0 -inet6
> # ifconfig pppoe0
> pppoe0: flags=28851<UP,POINTOPOINT,RUNNING,SIMPLEX,MULTICAST,NOINET6>
>         mtu 1492
>         priority: 0
>         dev: vr0 state: session
>         sid: 0x82c PADI retries: 0 PADR retries: 0 time: 00:11:22
>         sppp: phase network authproto pap authname "xxxxxxxxxx" 
>         groups: pppoe egress
>         status: active
>         inet xx.xx.xx.xx --> xx.xx.xx.xx netmask 0xffffffff
> 
> Here, we can see inet6 has been disabled on pppoe0. But I still get a
> lot of IPV6CP requests on my logs :
> 
> 07:59:10.825666 PPPoE-Session
>         code Session, version 1, type 1, id 0x082c, length 16
>         IPV6CP: Configure-Request, Interface-ID=0000:0000:0000:0001
> 07:59:10.825736 PPPoE-Session
>         code Session, version 1, type 1, id 0x082c, length 16
>         IPV6CP: Configure-Ack, Interface-ID=0000:0000:0000:0001
> 
> Any ideaB ?
> 

-inet6 does not turn off IPV6CP in sppp(4). This could be considered a
bug. Anyone willing to fix this?

-- 
:wq Claudio

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