Problème de ping openvpn debian

Support Debian
#1

ping en lui même passe mais de client vers serveur ou de serveur vers client non

#2

tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 -00
inet adr:10.9.9.2 P-t-P:10.9.9.1 Masque:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:100
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

#3

ping 10.9.9.2
PING 10.9.9.2 (10.9.9.2) 56(84) bytes of data.
64 bytes from 10.9.9.2: icmp_seq=1 ttl=64 time=0.041 ms
64 bytes from 10.9.9.2: icmp_seq=2 ttl=64 time=0.098 ms
64 bytes from 10.9.9.2: icmp_seq=3 ttl=64 time=0.099 ms
64 bytes from 10.9.9.2: icmp_seq=4 ttl=64 time=0.098 ms
^C
— 10.9.9.2 ping statistics —
4 packets transmitted, 4 received, 0% packet loss, time 3003ms
rtt min/avg/max/mdev = 0.041/0.084/0.099/0.024 ms

#4

nano /etc/openvpn/client.conf

remote 192.168.42.200
dev tun
ifconfig 10.9.9.2 10.9.9.1
secret /etc/openvpn/cle.sec