Need help to fix auto reconnect rtmpdump

[sonnvl]

I try to use rtmpdump to get this source but it dump for a while and auto reconnect to server ! How to fix this ?

rtmp://123.30.238.124/live/_definst_/vtv7-high

C:\rtmpdump>rtmpdump -v -r "rtmp://123.30.238.124/live/_definst_/vtv7-high" -f "WIN 20,0,0,267" -W "http://vtvgo.vn/skin/js/jwplayer/jwplayer.flash.swf" -o "V7.flv"
RTMPDump v2.4 GIT-2015-12-14 (Compiled by KSV)
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
Connecting ...
INFO: Connected...
Starting Live Stream
INFO: Metadata:
INFO:   Server                  NGINX RTMP (github.com/arut/nginx-rtmp-module)
INFO:   width                   1280.00
INFO:   height                  720.00
INFO:   displayWidth            1280.00
INFO:   displayHeight           720.00
INFO:   duration                0.00
INFO:   framerate               25.00
INFO:   fps                     25.00
INFO:   videodatarate           1562.00
INFO:   videocodecid            7.00
INFO:   audiodatarate           125.00
INFO:   audiocodecid            10.00
39700.981 kB / 353.05 sec
INFO: Metadata:
INFO:   Server                  NGINX RTMP (github.com/arut/nginx-rtmp-module)
INFO:   width                   1280.00
INFO:   height                  720.00
INFO:   displayWidth            1280.00
INFO:   displayHeight           720.00
INFO:   duration                0.00
INFO:   framerate               25.00
INFO:   fps                     25.00
INFO:   videodatarate           1562.00
INFO:   videocodecid            7.00
INFO:   audiodatarate           125.00
INFO:   audiocodecid            10.00
75348.356 kB / 180.96 sec

[-D3n1s-]

http://123.30.238.125/live/vtv7.m3u8?t=3777eddb0d042a41c1e64d66eb594586&e=1451915943
http://123.30.238.125/live/_definst_/vtv7-low.m3u8?t=3777eddb0d042a41c1e64d66eb594586&e=1451915943
http://123.30.238.125/live/_definst_/vtv7-mid.m3u8?t=3777eddb0d042a41c1e64d66eb594586&e=1451915943
http://123.30.238.125/live/_definst_/vtv7-high.m3u8?t=3777eddb0d042a41c1e64d66eb594586&e=1451915943