openvpn – Openwrt and external vpn server

I Try to setup Openwrt to allow vpn (openvpn) the openvpn server is a vm on LAN (I know is more easy to search on google openwrt+openvpn and then setup..but I had one server already setup and I want to know how to configure openwrt in case of separate vpn server.
The openwrt router is 192.168.0.1, the openvpn server is 192.168.0.8
I have setup a redirect and my client (a pc with another connection on internet) can reach and authenticate to openvpn server. The problem is all packets are filtered

Ping report (from the client)

ping 192.168.0.1

From 10.8.0.1 icmp_seq=... Packet filtered

This is the openwrt firewall config

config redirect              
       option name            'Vpn1'
       option target          DNAT
       option src             wan
       option dest            lan
       option proto           tcp
       option src_dport       2342
       option dest_ip         192.168.0.8
       option dest_port       2342
       option enabled         1 

# Openvpn

config zone                           
        option name 'vpn'             
        option input 'ACCEPT'              
        option output 'ACCEPT'           
        option forward 'ACCEPT'            
                                         
config forwarding                        
        option src 'lan'                    
        option dest 'vpn'              
                                           
config forwarding                        
        option src 'vpn'               
        option dest 'wan'  

config rule      
    option target 'ACCEPT'
    option proto 'tcp udp'
    option dest_port '2342'
    option family 'ipv4'
    option src '*'
    option name 'Allow Inbound vpn'

config rule
    option target 'ACCEPT'
    option proto 'tcp udp'
    option src '*'
    option dest '*'
    option dest_port '2342'
    option family 'ipv4'
    option name 'Allow Forwarded vpn'

config rule
    option target 'ACCEPT'
    option proto 'tcp udp'
    option family 'ipv4'
    option src '*'
    option src_ip '10.8.0.0/24'
    option dest_ip '192.168.0.0/24'
    option name 'Allow Inbound vpn Traffic to LAN'

config rule
    option target 'ACCEPT'
    option proto 'tcp udp'
    option family 'ipv4'
    option src '*'
    option src_ip '10.8.0.0/24'
    option dest '*'
    option dest_ip '192.168.0.0/24'
    option name 'Allow Forwarded vpn Traffic to LAN'

config rule
    option target 'ACCEPT'
    option family 'ipv4'
    option proto 'icmp'
    option src '*'
    option src_ip '10.8.0.0/24' 
    option dest 'wan'
    option name 'Allow Outbound ICMP Echo Request'
    list icmp_type 'echo-request'

What I miss?
Thanks