Re: quagga ospfd not happy, suspecting kernel tuning?

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Mon, Feb 27, 2012 at 02:18:23PM -0600, Peter Eisch wrote:
> [apologies if this is a dupe, I couldn't tell if it went out earlier]
> 
> I'm getting these in my syslog:
> 
> Feb 27 11:28:20 mouse ospfd[22629]: *** sendmsg in ospf_write failed to
> <localip>, id 0, off 0, len 68, interface vlan511, mtu 1500: No buffer space
> available
> Feb 27 11:28:20 mouse ospfd[22629]: *** sendmsg in ospf_write failed to
> 224.0.0.6, id 0, off 0, len 1036, interface vlan511, mtu 1500: No buffer
> space available
> Feb 27 11:28:20 mouse ospfd[22629]: *** sendmsg in ospf_write failed to
> 224.0.0.6, id 0, off 0, len 112, interface vlan511, mtu 1500: No buffer
> space available
> 
> What can I do to my i386/NetBSD-5.0 to get it happy?  It logs that every
> couple minutes.  Some of the LS updated go out, but other ones like this
> don't.  The kernel isn't logging anything (for better or worse).  Beyond the
> generic config, I already have:
> 
> _CFG_options IPSTATE_SIZE=92111
> _CFG_options IPSTATE_MAX=64433
> _CFG_options NAT_SIZE=2047
> _CFG_options RDR_SIZE=2047
> _CFG_options HOSTMAP_SIZE=8191
> _CFG_options NAT_TABLE_MAX=180000
> _CFG_options NAT_TABLE_SZ=16383
> _CFG_options IFQ_MAXLEN=1024
> 
> The system has 2G of RAM and uses a nominal 120M with few other user
> processes.  I'm happy to get the kernel more RAM -- what's the right way to
> do this?  

Maybe you need to increase net.inet.udp.sendspace or net.inet.tcp.sendspace ?


-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--