Date: Thu, 25 Sep 2014 14:48:01 +0800 From: Zhi-Qiang Lei <zhiqiang.lei@gmail.com> To: freebsd-questions@freebsd.org Subject: VPN client cannot receive packets Message-ID: <6AF0AAAB-E7F2-4FA7-81E5-223DA924DDE1@gmail.com>
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I setup a L2TP/IPsec VPN as this article: http://wiki.stocksy.co.uk/wiki/L2TP_VPN_in_FreeBSD My problem is that the connected clients cannot receive packets, = however, sending is okay. Here are the tcpdump results if I tried to ping 8.8.8.8: root@freebsd-7638:~ # tcpdump -i vtnet0 icmp tcpdump: verbose output suppressed, use -v or -vv for full protocol = decode listening on vtnet0, link-type EN10MB (Ethernet), capture size 65535 = bytes 05:55:17.630770 IP 192.168.99.150 > google-public-dns-a.google.com: ICMP = echo request, id 36697, seq 0, length 64 05:55:18.627825 IP 192.168.99.150 > google-public-dns-a.google.com: ICMP = echo request, id 36697, seq 1, length 64 05:55:19.624058 IP 192.168.99.150 > google-public-dns-a.google.com: ICMP = echo request, id 36697, seq 2, length 64 05:55:20.618946 IP 192.168.99.150 > google-public-dns-a.google.com: ICMP = echo request, id 36697, seq 3, length 64 05:55:21.622551 IP 192.168.99.150 > google-public-dns-a.google.com: ICMP = echo request, id 36697, seq 4, length 64 What could be wrong? And how can I troubleshoot? You may reply on = SuperUser if you want, thanks in advance. http://superuser.com/questions/816485/cannot-receive-packets Best regards, Zhi-Qiang Lei zhiqiang.lei@gmail.com
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