[Olsr-users] Howto feed routing-table into OLSRd2?

[Henning Rogge]

On Sun, Jun 14, 2015 at 2:00 PM, Bastian Rosner <(spam-protected)> wrote:
> Hi,
>
> just to make sure that this is not related to any IPv6 settings, i
> adjusted the configuration to be IPv4-only and changed to logging behavior:
>
> According to logs plugin lan_import loaded fine. Also inserting
> neighbors route to table 123 succeeded:
>
> 13:48:48.293 INFO(olsrv2_routing)
> src-plugins/olsrv2/olsrv2/olsrv2_routing.c 767: Set route 'src-ip - gw
> 169.254.1.2 dst 10.31.105.4 src-prefix - metric 2 table 123 protocol 100
> if eth1.31 (5)' (0 0 -)
> 13:48:48.293 INFO(olsrv2_routing)
> src-plugins/olsrv2/olsrv2/olsrv2_routing.c 935: Successfully set route
> 'src-ip 10.31.105.5 gw 169.254.1.2 dst 10.31.105.4 src-prefix - metric 2
> table 123 protocol 100 if eth1.31 (5)'
>
> Log also contains the following message:
>
> 13:52:29.683 WARN(os_routing)
> src-plugins/subsystems/os_linux/os_system_linux.c 503: netlink recvmsg
> error: No buffer space available (105)
>
> Do i need to run a recent version of olsrv2 on openwrt-side to accept
> attached-network routes generated by ubuntu's lan_import?

No, there is no change needed on the receiver side...

We just hit a bottleneck in the netlink code. And I used a full
pagesize of memory for the netlink buffer!

Just to be sure, how many routes are you trying to import?

Henning