Forum Discussion
pwallace_110041
Nimbostratus
Nimbostratuslb_failed with lb mode rr does not seem to produce expeted results
I am trying to use the following rule to make sure that when a node is down that traffic immeadiately goes to another node. But when I reboot one node from a two node pool the second node starts thro...
nitass
Employee
Employeei did a bit test. hope it is helpful.
[root@iris:Active] config b virtual bar list
virtual bar {
snat automap
pool foo
destination 172.28.17.33:http
ip protocol tcp
persist mysource
profiles {
http {}
tcp {}
}
}
[root@iris:Active] config b profile mysource list
profile persist mysource {
defaults from source_addr
mode source addr
timeout indefinite
}
[root@iris:Active] config b pool foo list
pool foo {
monitor all http
members {
10.10.70.200:http {}
209.85.175.104:http {}
}
}
[root@iris:Active] config b persist show all
PERSISTENT CONNECTIONS
| Mode source addr Value 172.28.17.30
| virtual 172.28.17.33:http node 10.10.70.200:http age 4sec
[root@iris:Active] config curl -I http://10.10.70.200/
HTTP/1.0 404 Not Found
Server: BigIP
Connection: Keep-Alive
Content-Length: 0
[root@iris:Active] config b rule myrule list
rule myrule {
when HTTP_REQUEST {
set retries 0
set request_headers [HTTP::request]
}
when HTTP_RESPONSE {
if {[HTTP::status] eq 404} {
incr retries
LB::down
HTTP::retry $request_headers
}
}
}
[root@iris:Active] config b virtual bar rule myrule
[root@iris:Active] config curl -I http://172.28.17.33/
HTTP/1.1 200 OK
Date: Sat, 08 Oct 2011 08:47:51 GMT
Expires: -1
Cache-Control: private, max-age=0
Content-Type: text/html; charset=ISO-8859-1
Server: gws
X-XSS-Protection: 1; mode=block
Transfer-Encoding: chunked
[root@iris:Active] config b persist show all
PERSISTENT CONNECTIONS
| Mode source addr Value 172.28.17.30
| virtual 172.28.17.33:http node 209.85.175.104:http age 4sec
[root@iris:Active] config
