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Date: Sat, 10 May 2008 19:15:47 +0300
From: Alexander Motin <mav@FreeBSD.org>
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To: Oleksandr Samoylyk <oleksandr@samoylyk.sumy.ua>
References: <48207C8B.4020509@samoylyk.sumy.ua>	<48209BC4.5080602@elischer.org>	<1210148584.00067004.1210135802@10.7.7.3>	<1210155784.00067045.1210144801@10.7.7.3>	<1210195392.00067265.1210183802@10.7.7.3>	<1210195402.00067283.1210184402@10.7.7.3>	<1210202586.00067324.1210189802@10.7.7.3>	<1210202588.00067326.1210189802@10.7.7.3>	<1210202593.00067329.1210190402@10.7.7.3>	<1210209785.00067436.1210197002@10.7.7.3>	<4825B177.7020503@FreeBSD.org>
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Cc: freebsd-net@freebsd.org, Julian Elischer <julian@elischer.org>
Subject: Re: Problems with netgraph
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Oleksandr Samoylyk wrote:
> Alexander Motin wrote:
>> Try to rebuild mpd to be sure it uses this feature. Also you can check 
>> this by observing the name of any ng_pptpgre hook used. If it is 
>> "upper", then ng_pptpgre multiplexing is not used and if it is 
>> "session_hhhh" then OK.
> 
> I can't even list all nodes.
> 
> # ngctl list
> ngctl: send msg: No buffer space available

Nodes list can be big. This should help you to get it:
kern.ipc.maxsockbuf=1048576
net.graph.maxdgram=524288
net.graph.recvspace=524288

-- 
Alexander Motin