<div dir="auto">Seems likely the wrong source IP is being used for sending the ping. Use tcpdump on the initiating computer to make sure the source IP of the ping packet matches the allowed-ips of the other machine.<br><br><div data-smartmail="gmail_signature">--<br>Sent from my telephone.<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sep 20, 2017 17:11, "nicolas prochazka" <<a href="mailto:prochazka.nicolas@gmail.com">prochazka.nicolas@gmail.com</a>> wrote:<br type="attribution"><blockquote class="quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello, can somebody tells me what I do wrong :<br>
I can ping from server 1 --> client 1 ( ping fd00:14::8b5:8aff:fe85:f3ee ) .<br>
but not from client 1 --> server1 ( ping fd00:14::8b5:8aff:fe85:f3ec )<br>
<br>
we can notice<br>
RX packets:230 errors:1112 dropped:0 overruns:0 frame:1112<br>
on server side seems strange<br>
<br>
wireguard : v0.0.20170918]<br>
kernel : 4.9.23 on client1<br>
kernel : 4.4.0 on server 1<br>
<br>
<br>
Regards,<br>
Nicolas Prochazka<br>
<br>
Server 1 :<br>
ifconfig neocoretech_rd<br>
neocoretech_rd Link encap:UNSPEC HWaddr<br>
00-00-00-00-00-00-00-00-00-00-<wbr>00-00-00-00-00-00<br>
inet6 addr: fd00:14::8b5:8aff:fe85:f3ec/32 Scope:Global<br>
UP POINTOPOINT RUNNING NOARP MTU:1420 Metric:1<br>
RX packets:230 errors:1112 dropped:0 overruns:0 frame:1112<br>
TX packets:390 errors:0 dropped:0 overruns:0 carrier:0<br>
collisions:0 txqueuelen:1<br>
RX bytes:24672 (24.6 KB) TX bytes:39104 (39.1 KB)<br>
<br>
<br>
[52.209.226.5]~/resources/<wbr>tunnelHelper>wg showconf neocoretech_rd<br>
[Interface]<br>
ListenPort = 6081<br>
PrivateKey = mNHgDu3Nbusb3Xd8tI8imBkFgvnUSC<wbr>jKGVP5qT8pi2Q=<br>
<br>
[Peer]<br>
PublicKey = 5zSx+<wbr>CxgcjLKE2shpkTrLFgCHNOPM6r7Tcu<wbr>Z5cSx2AA=<br>
AllowedIPs = fd00:14::8b5:8aff:fe85:f3ee/<wbr>128<br>
Endpoint = <a href="http://77.156.254.18:25813" rel="noreferrer" target="_blank">77.156.254.18:25813</a><br>
<br>
wg show neocoretech_rd<br>
interface: neocoretech_rd<br>
public key: lrJtbn/<wbr>Jfdb1NyIP78ls11uqAzjcWzDuD+<wbr>x05RxFk20=<br>
private key: (hidden)<br>
listening port: 6081<br>
<br>
peer: 5zSx+<wbr>CxgcjLKE2shpkTrLFgCHNOPM6r7Tcu<wbr>Z5cSx2AA=<br>
endpoint: <a href="http://77.156.254.18:25813" rel="noreferrer" target="_blank">77.156.254.18:25813</a><br>
allowed ips: fd00:14::8b5:8aff:fe85:f3ee/<wbr>128<br>
latest handshake: 1 minute, 10 seconds ago<br>
transfer: 23.95 KiB received, 36.07 KiB sent<br>
<br>
<br>
<br>
Client 1 :<br>
ifconfig wg0<br>
wg0 Link encap:UNSPEC HWaddr<br>
00-00-00-00-00-00-00-00-00-00-<wbr>00-00-00-00-00-00<br>
inet6 addr: fd00:14::8b5:8aff:fe85:f3ee/8 Scope:Global<br>
UP POINTOPOINT RUNNING NOARP MTU:1420 Metric:1<br>
RX packets:230 errors:0 dropped:0 overruns:0 frame:0<br>
TX packets:1366 errors:0 dropped:0 overruns:0 carrier:0<br>
collisions:0 txqueuelen:1<br>
RX bytes:23632 (23.0 KiB) TX bytes:230352 (224.9 KiB)<br>
<br>
<br>
[optimizer] wg showconf wg0<br>
[Interface]<br>
ListenPort = 6081<br>
PrivateKey = IM0tv9xWcVBPhD7+<wbr>Tny7LHnYu1YHBGCJbBr6fgCdZns=<br>
<br>
[Peer]<br>
PublicKey = lrJtbn/<wbr>Jfdb1NyIP78ls11uqAzjcWzDuD+<wbr>x05RxFk20=<br>
AllowedIPs = ::/0<br>
Endpoint = <a href="http://52.209.226.5:6081" rel="noreferrer" target="_blank">52.209.226.5:6081</a><br>
PersistentKeepalive = 25<br>
<br>
wg show wg0<br>
interface: wg0<br>
public key: 5zSx+<wbr>CxgcjLKE2shpkTrLFgCHNOPM6r7Tcu<wbr>Z5cSx2AA=<br>
private key: (hidden)<br>
listening port: 6081<br>
<br>
peer: lrJtbn/<wbr>Jfdb1NyIP78ls11uqAzjcWzDuD+<wbr>x05RxFk20=<br>
endpoint: <a href="http://52.209.226.5:6081" rel="noreferrer" target="_blank">52.209.226.5:6081</a><br>
allowed ips: ::/0<br>
latest handshake: 37 seconds ago<br>
transfer: 22.99 KiB received, 215.96 KiB sent<br>
persistent keepalive: every 25 seconds<br>
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</blockquote></div><br></div>