[root@routik root]$ cat /.version
1.9.2.7-rtn-r5090
[root@routik root]$ tcpdump -n -i tun0
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on tun0, link-type RAW (Raw IP), capture size 65535 bytes
16:48:06.041181 IP 192.168.7.6.59124 > 192.168.1.1.80: Flags [S], seq 1441954901, win 14600, options [mss 1368,sackOK,TS val 75788 ecr 0,nop,wscale 7], length 0
16:48:06.041511 IP 192.168.1.1.80 > 192.168.7.6.59124: Flags [S.], seq 880930472, ack 1441954902, win 4344, options [mss 1460,sackOK,TS val 4294852152 ecr 75788,nop,wscale 2], length 0
16:48:06.136374 IP 192.168.7.6.59124 > 192.168.1.1.80: Flags [.], ack 1, win 115, options [nop,nop,TS val 75810 ecr 4294852152], length 0
16:48:06.148571 IP 192.168.7.6.59124 > 192.168.1.1.80: Flags [P.], seq 1:414, ack 1, win 115, options [nop,nop,TS val 75810 ecr 4294852152], length 413
16:48:06.148742 IP 192.168.1.1.80 > 192.168.7.6.59124: Flags [.], ack 414, win 1354, options [nop,nop,TS val 4294852259 ecr 75810], length 0
16:48:06.167781 IP 192.168.1.1.80 > 192.168.7.6.59124: Flags [P.], seq 1:205, ack 414, win 1354, options [nop,nop,TS val 4294852278 ecr 75810], length 204