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schmal_111133's avatar
schmal_111133
Icon for Nimbostratus rankNimbostratus
Feb 13, 2013

specific source port translation

Hi,   I am trying to do SNAT while selecting a specific port for that but for some reason when the F5 receive the response it is sending a RST to the WS and not retranslating it to the original IP...
application delivery
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devops
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nitass's avatar
nitass
Icon for Employee rankEmployee
Feb 14, 2013
and if you are trying to open few connection in parallel to different sites does it still work?if it is different site, it works. 

[root@ve10:Active] config  tcpdump -nni 0.0 port 80
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on 0.0, link-type EN10MB (Ethernet), capture size 108 bytes
21:38:11.510461 IP 200.200.200.101.51936 > 173.194.38.151.80: S 1650621809:1650621809(0) win 5840 
21:38:11.510525 IP 172.28.19.252.1234 > 173.194.38.151.80: S 1650621809:1650621809(0) win 5840 
21:38:11.520674 IP 173.194.38.151.80 > 172.28.19.252.1234: S 1436891886:1436891886(0) ack 1650621810 win 62920 
21:38:11.520686 IP 173.194.38.151.80 > 200.200.200.101.51936: S 1436891886:1436891886(0) ack 1650621810 win 62920 
21:38:11.521651 IP 200.200.200.101.51936 > 173.194.38.151.80: . ack 1 win 46
21:38:11.521662 IP 172.28.19.252.1234 > 173.194.38.151.80: . ack 1 win 46
21:38:23.717489 IP 200.200.200.111.33977 > 206.190.36.45.80: S 669688273:669688273(0) win 5840 
21:38:23.717558 IP 172.28.19.252.1234 > 206.190.36.45.80: S 669688273:669688273(0) win 5840 
21:38:23.932585 IP 206.190.36.45.80 > 172.28.19.252.1234: S 3507817701:3507817701(0) ack 669688274 win 5792 
21:38:23.932599 IP 206.190.36.45.80 > 200.200.200.111.33977: S 3507817701:3507817701(0) ack 669688274 win 5792 
21:38:23.933713 IP 200.200.200.111.33977 > 206.190.36.45.80: . ack 1 win 46 
21:38:23.933721 IP 172.28.19.252.1234 > 206.190.36.45.80: . ack 1 win 46