Forum Discussion
fabianlumy
Nimbostratus
NimbostratusF5 LTM (VE) - KeepAlive even if real server close connection
Hello community!
I'm qualifying an LTM (VE) 11.2.0 for web loadbalancing, and trying to find a solution for this case:
Real web server force connection to close for each call to a ve...
nitass
Employee
Employeeis connection forced to close by connection close http header from server? if so, doesn't oneconnect profile help?
or did i misunderstand?
no oneconnect
[root@ve10:Active] config b virtual bar list
virtual bar {
snat automap
pool foo
destination 172.28.19.79:80
ip protocol 6
profiles {
http {}
tcp {}
}
}
[root@ve10:Active] config b pool foo list
pool foo {
members 200.200.200.101:80 {}
}
connection 1 is client-side (between client and bigip) and connection 2 is server-side (between bigip and server)
[root@ve10:Active] config ssldump -Aed -nni 0.0 port 80
New TCP connection 1: 172.28.19.251(45893) <-> 172.28.19.79(80)
1346681560.3245 (0.0009) C>S
---------------------------------------------------------------
HEAD / HTTP/1.1
User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
Host: 172.28.19.79
Accept: */*
---------------------------------------------------------------
New TCP connection 2: 200.200.200.10(45893) <-> 200.200.200.101(80)
1346681560.3265 (0.0009) C>S
---------------------------------------------------------------
HEAD / HTTP/1.1
User-Agent: curl/7.15.5 (i686-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
Host: 172.28.19.79
Accept: */*
---------------------------------------------------------------
1346681560.3275 (0.0010) S>C
---------------------------------------------------------------
HTTP/1.1 200 OK
Date: Mon, 03 Sep 2012 14:27:29 GMT
Server: Apache/2.2.3 (CentOS)
Last-Modified: Fri, 11 Nov 2011 14:48:14 GMT
ETag: "4183e4-3e-9c564780"
Accept-Ranges: bytes
Content-Length: 62
Connection: close
Content-Type: text/html; charset=UTF-8
---------------------------------------------------------------
1346681560.3275 (0.0030) S>C
---------------------------------------------------------------
HTTP/1.1 200 OK
Date: Mon, 03 Sep 2012 14:27:29 GMT
Server: Apache/2.2.3 (CentOS)
Last-Modified: Fri, 11 Nov 2011 14:48:14 GMT
ETag: "4183e4-3e-9c564780"
Accept-Ranges: bytes
Content-Length: 62
Connection: close
Content-Type: text/html; charset=UTF-8
---------------------------------------------------------------
when no connection, FIN is sent from server (in server-side) to client (in client-side)
2 1346681560.3275 (0.0000) S>C TCP FIN
1 1346681560.3275 (0.0000) S>C TCP FIN
1 1346681560.3285 (0.0010) C>S TCP FIN
2 1346681560.3286 (0.0010) C>S TCP FIN
