[Openvpn-users] MBUF: mbuf packet dropped

[Claudio P. <cla...@at...>]

Hi to all,

>From today, on a normally working VPN, i have this problem into the log file:

 MBUF: mbuf packet dropped

After a lot of them, the connection was dropped. Here is my config file:

#device
dev tap0

#mode
mode server

proto tcp-server
port 19022

tls-server

# ping restart in caso di connessione down
ping 15
ping-restart 30

server-bridge 10.10.100.1 255.255.0.0 10.10.100.2 10.10.100.254

max-clients 100
tun-mtu 1500
mssfix 1400

client-config-dir /etc/openvpn/ccd
persist-key
persist-tun
ccd-exclusive
tcp-queue-limit 4096

#log files
status /var/log/openvpn-status.log
log-append /var/log/openvpn.log

# user separation
user nobody
group nogroup

# cert and keys file
ca /etc/openvpn/easy-rsa/keys/ca.crt
cert /etc/openvpn/easy-rsa/keys/server.crt
key /etc/openvpn/easy-rsa/keys/server.key
dh /etc/openvpn/easy-rsa/keys/dh1024.pem
crl-verify /etc/openvpn/easy-rsa/keys/crl.pem
cipher AES-256-CBC

verb 4

Note: the parameter tcp-queue-limit is already increased from 256 to
4096, but nothing changed.

What can i do?

Cordially,

Claudio Prono.


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