only enable radv if upstream connection available

[Ondrej Zajicek]

On Wed, Jan 09, 2013 at 10:13:08PM +0100, Uwe Kleine-König wrote:
> Hello,
> 
> I'm a bit annoyed because my ipv6 tunnel (via sixxs) is unreliable from
> time to time and I wonder if bird can help me to at least stop sending
> out radv packets to my local machines if the tunnel is not working[1]. (Or
> maybe send packets, but with a zero lifetime.)
> 
> I read about filters now and also spend some time googling, but still I
> don't see if/how this could be possible.
> 
> Does someone of you has a nice idea or a link to an example that could
> help me?

Currently there is no such option short of external script that tests
availability of uplink. You could either change config file and reload 
(as suggested by others), or just call 'birdc disable radv1' and 'birdc
enable radv1' commands from a script.

-- 
Elen sila lumenn' omentielvo

Ondrej 'SanTiago' Zajicek (email: santiago at crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."
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