'dropped due to full socket buffers' by SNMP

[Victor Gamov]

On 22.01.2021 12:52, Eugene Grosbein wrote:
> 22.01.2021 16:27, Victor Gamov wrote:
> 
>> I increase kern.ipc.maxsockbuf from 2097152 -> 2597152 -> 3145728 but
>> netstat -sn -p udp | grep 'dropped due to full socket buffers' still show dropped packets.
>>
>> Then I increase net.inet.udp.recvspace 84160 -> 105200 but 'dropped due to full socket buffers' packets still here.
>>
>> Do I need to try to increase something else?
> 
> Increase of various buffers may help against very short traffic bursts or limited time interface congestion.
> It won't help in case you have permanent (or nearly permanent) link overload.

No link overload: this host attached to network via 10G ix0, many VLANs 
on this ix0 and some sender on every VLAN sends multicast traffic to 
this host.  Total input traffic about 1Gbit/s

-- 
CU,
Victor Gamov