help tune

[Коньков Евгений]

Hi, Freebsd-net.

Help me pls, to tune those drops.

fastvpn# netstat -s
udp:
        268701 datagrams received
        0 with incomplete header
        1 with bad data length field
        12 with bad checksum
        5229 with no checksum
        208022 dropped due to no socket                   <<<<<<<
        25412 broadcast/multicast datagrams undelivered
        0 dropped due to full socket buffers
        0 not for hashed pcb
        35254 delivered
        36778 datagrams output
ip:
        29905296 packets for this host
        5251 packets for unknown/unsupported protocol
        76959667 packets forwarded (0 packets fast forwarded)
        29392 packets not forwardable
        0 packets received for unknown multicast group
        0 redirects sent
        73000444 packets sent from this host
        106902149 total packets received
        35680 output packets dropped due to no bufs, etc.   <<<<<<<


I do this tuning:
/etc/sysctl.conf
hw.pci.enable_msix=1
hw.pci.enable_msi=1
kern.ipc.nmbclusters=262144
kern.ipc.shmall=65536
kern.ipc.shmmax=268435456
kern.ipc.somaxconn=4096
kern.ipc.semmap=512
kern.maxfiles=204800
kern.maxfilesperproc=200000
kern.ipc.maxsockets=262144
kern.coredump=1
net.graph.maxdgram=128000
net.graph.recvspace=128000
ddb.panic=5

/boot/loader.conf
kern.ipc.nmbclusters=262144
kern.ipc.maxsockets=262144
net.graph.maxalloc=2048
kern.maxusers=1024
kern.ipc.maxpipekva=268435456
kern.maxfiles=204800
net.graph.maxdata=2048
kern.maxfilesperproc=200000
kern.ipc.maxsockbuf=524288

Mem: 42M Active, 183M Inact, 90M Wired, 20K Cache, 59M Buf, 170M Free
Swap: 2048M Total, 2048M Free


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