VPN no ap router 8.2a

Bom dia pessoal, estou precisando montar uma VPN utilizando 2 ap router versão 8.2a.
Não estou achando material q me ajude a configurar o VTUN.

############ EXEMPLO DE CONFIG DO LADO SERVIDOR ###################################
# VPN Exemplo
minhavpn {
passwd minhaSenha; # Senha
type tun; # IP tunnel
proto udp; # UDP protocolo
device tun0; # Interface Tunnel
encrypt yes; # Criptografia
keepalive yes; # Verificacao de conexao

up {
# Conexao Up

# 192.168.200.1 - local, 192.168.200.2 - remote
ifconfig "%% 192.168.200.1 pointopoint 192.168.200.2 mtu 1450";
route "add -net 192.168.201.0 netmask 255.255.255.0 gw 192.168.200.2";
};
}
############## FIM DO EXEMPLO DO SERVIDOR ########################################



############ EXEMPLO DE CONFIG DO LADO CLIENTE ###################################
minhavpn {
passwd minhaSenha; # Senha
type tun; # IP tunnel
proto udp; # UDP protocolo
device tun0; # Interface Tunnel
encrypt yes; # Criptografia
persist yes; # Conexão persistente

up {
# Conexao Up
# 192.168.200.2 - local, 192.168.200.1 - remote
ifconfig "%% 192.168.200.2 pointopoint 192.168.200.1 mtu 1450";
route "add -net 192.168.0.0 netmask 255.255.255.0 gw 192.168.200.1";
};
}
############## FIM DO EXEMPLO DO CLIENTE ########################################

Att,

Guilherme W.