FIN packet

[root@ve10:Active] config  b virtual bar list
virtual bar {
   snat automap
   pool foo
   destination 172.28.19.79:80
   ip protocol 6
   profiles {
      mblb {}
      tcp {}
   }
}
[root@ve10:Active] config  b pool foo list
pool foo {
   members 200.200.200.101:80 {}
}

 normal traffic i.e. curl -I http://172.28.19.79

[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
05:45:12.106760 IP 172.28.19.251.41004 > 172.28.19.79.80: S 425780967:425780967(0) win 5840 
05:45:12.106791 IP 172.28.19.79.80 > 172.28.19.251.41004: S 4020758279:4020758279(0) ack 425780968 win 4380 
05:45:12.107662 IP 172.28.19.251.41004 > 172.28.19.79.80: . ack 1 win 46 
05:45:12.107681 IP 172.28.19.251.41004 > 172.28.19.79.80: P 1:156(155) ack 1 win 46 
05:45:12.107735 IP 200.200.200.10.41004 > 200.200.200.101.80: S 1387963131:1387963131(0) win 4380 
05:45:12.108692 IP 200.200.200.101.80 > 200.200.200.10.41004: S 434734169:434734169(0) ack 1387963132 win 5792 
05:45:12.108702 IP 200.200.200.10.41004 > 200.200.200.101.80: . ack 1 win 4380 
05:45:12.108708 IP 200.200.200.10.41004 > 200.200.200.101.80: P 1:156(155) ack 1 win 4380 
05:45:12.109599 IP 200.200.200.101.80 > 200.200.200.10.41004: . ack 156 win 54 
05:45:12.110836 IP 200.200.200.101.80 > 200.200.200.10.41004: P 1:280(279) ack 156 win 54 
05:45:12.110850 IP 172.28.19.79.80 > 172.28.19.251.41004: P 1:280(279) ack 156 win 4535 
05:45:12.111745 IP 172.28.19.251.41004 > 172.28.19.79.80: . ack 280 win 54 
05:45:12.112685 IP 172.28.19.251.41004 > 172.28.19.79.80: F 156:156(0) ack 280 win 54 
05:45:12.112713 IP 172.28.19.79.80 > 172.28.19.251.41004: . ack 157 win 4535 
05:45:12.112717 IP 200.200.200.10.41004 > 200.200.200.101.80: F 156:156(0) ack 280 win 4659 
05:45:12.113715 IP 200.200.200.101.80 > 200.200.200.10.41004: F 280:280(0) ack 157 win 54 
05:45:12.113727 IP 200.200.200.10.41004 > 200.200.200.101.80: . ack 281 win 4659 

 fin packet i.e. telnet 172.28.19.79 80 and then quit (^] and quit)

[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
05:45:39.709785 IP 172.28.19.251.41005 > 172.28.19.79.80: S 2174834412:2174834412(0) win 5840 
05:45:39.709850 IP 172.28.19.79.80 > 172.28.19.251.41005: S 1431148460:1431148460(0) ack 2174834413 win 4380 
05:45:39.710797 IP 172.28.19.251.41005 > 172.28.19.79.80: . ack 1 win 46 
05:45:41.408859 IP 172.28.19.251.41005 > 172.28.19.79.80: F 1:1(0) ack 1 win 46 
05:45:41.408890 IP 172.28.19.79.80 > 172.28.19.251.41005: . ack 2 win 4380