netdev - Re: tap0 device stopped working in 2.6.36 (ok in 2.6.35)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20101027.105228.39197352.davem@davemloft.net>
Date:	Wed, 27 Oct 2010 10:52:28 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	nolan@...ulusnetworks.com
Cc:	jim876@...all.nl, netdev@...r.kernel.org
Subject: Re: tap0 device stopped working in 2.6.36 (ok in 2.6.35)

From: Nolan Leake <nolan@...ulusnetworks.com>
Date: Wed, 27 Oct 2010 10:48:54 -0700

> I have no idea why ipv6 vetos the upping of a link-down interface, while
> ipv4 doesn't care.
> 
> If this is all intended behavior, then I guess I'll need to make the old
> "tap devices are always link-up" mode the default, and add a way for
> newer software to opt-in into correct link-state reporting.
> 
> David (CC'd), could you comment on this?

If ipv6 cannot send multicast packets for neighbour and router
discovery, which it must do in order to function properly over the
device, the interface is unusable.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html