Hello,
Recently I configured OpenVPN via PiVPN on my Raspberry Pi Model 4B with newest Raspbian Buster (4.19.58-v7l+) to have an access to my home network from anywhere. Since beginning I have a very poor Downlink/Uplink badnwidth which can be measured in B/s. I'm unable to visit my favourite websites not to mention private cloud access or video streaming. Normally when I'm connected directly to my network I can get ~60Mbps D and ~30Mbps U. I'm using Huawei B618 4G LTE router and my IPS is Orange Polska S.A. Configuration is based on this tutorial:
https://www.youtube.com/watch?v=15VjDVCISj0 so it's very basic. Here what it's looks like in /etc/openvpn/server.conf
dev tun
proto udp
port 6482
ca /etc/openvpn/easy-rsa/pki/ca.crt
cert /etc/openvpn/easy-rsa/pki/issued/server_HlKPhGMmp1IxJs0k.crt
key /etc/openvpn/easy-rsa/pki/private/server_HlKPhGMmp1IxJs0k.key
dh /etc/openvpn/easy-rsa/pki/dh2048.pem
topology subnet
server 10.8.0.0 255.255.255.0
push "dhcp-option DNS 10.8.0.1"
# Set your primary domain name server address for clients
# Prevent DNS leaks on Windows
push "block-outside-dns"
# Override the Client default gateway by using 0.0.0.0/1 and
# 128.0.0.0/1 rather than 0.0.0.0/0. This has the benefit of
# overriding but not wiping out the original default gateway.
push "redirect-gateway def1"
client-to-client
remote-cert-tls client
tls-version-min 1.2
tls-auth /etc/openvpn/easy-rsa/pki/ta.key 0
cipher AES-256-CBC
auth SHA256
user nobody
group nogroup
persist-key
persist-tun
crl-verify /etc/openvpn/crl.pem
status /var/log/openvpn-status.log 20
status-version 3
syslog
verb 3
#DuplicateCNs allow access control on a less-granular, per user basis.
#Remove # if you will manage access by user instead of device.
#duplicate-cn
# Generated for use by PiVPN.io
For now I've tried setting up sndbuf and rcvbuf to various values and changing DNS server to 8.8.8.8 but without any results.
As a DNS i'm using PiHole server also configured on my Raspberry.
Have you guys any idea what is configured wrong?
Thanks in advance,
Mariusz
