as Kevin suggested, when pipelining is disabled, bigip will terminate a connection after responding 1st request.
e.g.
[root@ve10:Active] config b virtual bar list
virtual bar {
snat automap
pool foo
destination 172.28.19.252:80
ip protocol 6
profiles {
myhttp {}
tcp {}
}
}
[root@ve10:Active] config b pool foo list
pool foo {
members 200.200.200.101:80 {}
}
[root@ve10:Active] config b profile myhttp list
profile http myhttp {
pipelining disable
}
client sends http pipelining
[root@centos17 ~] echo -en "HEAD /frist HTTP/1.1\r\nHost: \r\n\r\nHEAD /second HTTP/1.1\r\nHost: \r\n\r\n" | nc 172.28.19.252 80
HTTP/1.1 404 Not Found
Date: Sat, 27 Jul 2013 10:46:47 GMT
Server: Apache/2.2.3 (CentOS)
Content-Type: text/html; charset=iso-8859-1
packet trace
[root@ve10:Active] config ssldump -Aed -nni 0.0 port 80
New TCP connection 1: 172.28.20.17(47892) <-> 172.28.19.252(80)
1374921376.8812 (0.0011) C>S
---------------------------------------------------------------
HEAD /frist HTTP/1.1
Host:
HEAD /second HTTP/1.1
Host:
---------------------------------------------------------------
1 1374921376.8813 (0.0000) C>S TCP FIN
New TCP connection 2: 200.200.200.10(47892) <-> 200.200.200.101(80)
1374921376.8842 (0.0029) C>S
---------------------------------------------------------------
HEAD /frist HTTP/1.1
Host:
---------------------------------------------------------------
1374921376.8853 (0.0010) S>C
---------------------------------------------------------------
HTTP/1.1 404 Not Found
Date: Sat, 27 Jul 2013 10:46:47 GMT
Server: Apache/2.2.3 (CentOS)
Content-Type: text/html; charset=iso-8859-1
---------------------------------------------------------------
1374921376.8853 (0.0040) S>C
---------------------------------------------------------------
HTTP/1.1 404 Not Found
Date: Sat, 27 Jul 2013 10:46:47 GMT
Server: Apache/2.2.3 (CentOS)
Content-Type: text/html; charset=iso-8859-1
---------------------------------------------------------------
2 1374921376.8853 (0.0000) C>S TCP FIN
1 1374921376.8853 (0.0000) S>C TCP FIN
2 1374921376.8864 (0.0010) S>C TCP FIN