Site to site openvpn , clients cant able to communicate with each other

[jerryxLinuX]

configure openvpn site to site
server can access client1 and client2 <==> clients(1&2) can access server
but client 1 cant access client2 and client 2 can able to access client 1

any solutions  8) 8)

[jerryxLinuX]

any one help
i have added multiple clients but clients not communicating with each other. any specific configuration do i want to add in clients???