[Olsr-dev] HNA - minor issues

[Henning Rogge]

On Fri January 29 2010 13:11:21 Teco Boot wrote:
> I played a bit with dynamic default gateways.
> Minor issues:
> 
> Sample config for plain dynamic gw is incorrect:
> # olsrd_dyn_gw_plain.so.0.4
> # {
> # }
> 
> Should be:
> #LoadPlugin "olsrd_dyn_gw_plain.so.0.4"
> #{
> #}
Good catch, thank you.

> I need dynamic HNA for prefixes (for priority gef.gw,
> with /0, /1 and /2).
> Add net mask parameters, like olsrd_dyn_gw?
dyn_gw_plain is a very simple plugin, at the moment we have not planned any 
extensions.
 
> On the def.gw, the HNA timeout is pretty long.
> When removing a HNA, send a poison entry with lifetime 0?
Theoretically we could send a HNA with minimal vtime (0 cannot be represented 
in OLSR vtime). We are discussing about it in the context of node roaming.

The problem with "vtime 0" is that we have only one try to do it. If we resend 
a "vtime 0" HNA, we will reactivate the HNA route on nodes which received the 
first one (for 1/16 seconds).

> And add the lock file parameter?
> This did not make it into 0.5.6-r8.
> # OLSR daemon lockfile
> # Defaults to configuration file path appended with ".lock"
> 
> #   LockFile        "/var/run/olsrd.lock"
This is already in the "stable tip" version of the default config files:

# LockFile
# The lockfile is used to prevent multiple OLSR instances running at the same
# time. On linux/bsd it defaults to "/var/run/olsrd-ipv(4/6).lock", on other
# systems to "<configfile>-ipv(4/6).lock".
#
# LockFile "olsrd.lock"

Henning Rogge

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Diplom-Informatiker Henning Rogge , Fraunhofer-Institut für
Kommunikation, Informationsverarbeitung und Ergonomie FKIE
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