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List:       quagga-dev
Subject:    [quagga-dev 8697] Re: No buffer space available
From:       Joakim Tjernlund <joakim.tjernlund () transmode ! se>
Date:       2011-04-11 19:19:44
Message-ID: OFE1C72948.C51E5BA5-ONC125786F.0069FF51-C125786F.006A2DA3 () transmode ! se
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"Eric S. Johnson" <esj@cs.fiu.edu> wrote on 2011/04/11 21:06:19:
>
>
>
> joakim.tjernlund@transmode.se said:
> > 2011/04/11 20:43:23 OSPF: can't setsockopt IP_ADD_MEMBERSHIP (fd 11,
> > addr 172.17.250.1, ifindex 46, AllSPFRouters): No buffer space
> > available; perhaps a kernel limit on # of multicast group
> > memberships has been exceeded?
>
>
> it is a /proc variable.
>
> Below is what I use in /etc/sysctl.conf to up it.
>
> E
>
> #
> # max number of multicast group memberships
> # needs to be upped becuase of ospf/vrrp/etc
> #
> net.ipv4.igmp_max_memberships = 400

Ah, now I found it. The knob is only there if you have IP_MULTICAST
in kernel config.

 Jocke

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