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List:       quagga-users
Subject:    [quagga-users 7142] Re: Ospf 'can't setsockopt IP_ADD_MEMBERSHIP'
From:       "Jason Sigurdur" <Jason.Sigurdur () aspenview ! org>
Date:       2006-06-28 18:35:20
Message-ID: 648A21EA469E3848922D9860785CD5EF23D4F9 () aspen-mail01 ! aspenview ! org
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Thank you, it worked.

jason
-----Original Message-----
From: Kris Olander [mailto:kriso@packetdesign.com] 
Sent: Wednesday, June 28, 2006 12:28 PM
To: Jason Sigurdur
Cc: quagga-users@lists.quagga.net
Subject: Re: [quagga-users 7141] Ospf 'can't setsockopt
IP_ADD_MEMBERSHIP'

You need to bump the following parameter (that's what the  
"perhaps ..." message implies doing)

  /proc/sys/net/ipv4/igmp_max_memberships to 31

and see what happens.  The default is 20.  This inhibits certain  
random interfaces from joining the AllSPFRouters address so no  
adjacencies will form.

-Kris

Kris Olander
kriso@packetdesign.com



On Jun 28, 2006, at 10:32 AM, Jason Sigurdur wrote:

> Hi, I am using Fedora core 5 and quagga-0.98.5-4. My system is  
> using gre
> over ipsec. 30 gre tunnels.
>
> Each System is in a point-to-point configuration. When I start ospfd I
> get the following messages:
>
> un 28 11:23:31 GW16 ospfd[4709]: can't setsockopt IP_ADD_MEMBERSHIP  
> (fd
> 5, addr 1.16.10.2, ifindex 26, AllSPFRouters): No buffer space
> available; perhaps a kernel limit on # of multicast group memberships
> has been exceeded?
> Jun 28 11:23:31 GW16 ospfd[4709]: can't setsockopt  
> IP_ADD_MEMBERSHIP (fd
> 5, addr 1.16.11.1, ifindex 27, AllSPFRouters): No buffer space
> available; perhaps a kernel limit on # of multicast group memberships
> has been exceeded?
>
>
> The connection between routers is very intermittent. Any  
> suggestions on
> how I can fix this would be appreciated.
>
> jason
>
>
> _______________________________________________
> Quagga-users mailing list
> Quagga-users@lists.quagga.net
> http://lists.quagga.net/mailman/listinfo/quagga-users


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