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Re: quagga ospfd not happy, suspecting kernel tuning
On 2/27/12 8:16 PM, "Greg Troxel" <gdt%ir.bbn.com@localhost> wrote:
> I'm getting these in my syslog:
> Feb 27 11:28:20 mouse ospfd: *** sendmsg in ospf_write failed to
> <localip>, id 0, off 0, len 68, interface vlan511, mtu 1500: No buffer space
> You didn't say how many interfaces you are using, but I'm guessing you
> have a lot. quagga/ospfd seems to work fine out the box with
> reasonable numbers of interfaces.
> I would suggest doing ktrace.
> It may be that there is a raw socket (proto ospf is not UDP) and a
> packet is sent on each interface in quick succession and the raw socket
> needs bigger sendspace. I don't know if udp sendspace is reused for raw
Thanks Greg & Manuel,
I've doubled the net.inet.udp.recvspace and net.inet.udp.sendspace and now I
watch when the system gets busier again. Thanks for this lead. If it
doesn't work out I'll get ospfd on it with symbols and gdb/ktrace it.
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