CSS 11501 7.40 Monitoring the services on real servers?

Unanswered Question
Oct 13th, 2008
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Hi,


Just want to ask some basic questions, How can i monitor the services (ie 80 and 443) of the real servers. So that when the CSS11501 detects that one of the services of one of the real servers is down, it will not forward the traffic to that server. Or is the CSS is configured to monitor the services by default?


Because we are planning to upgrade one of the webservers (web01) while web02 is running, if we shutdown the service 80 and 443, does it affect the end-user, will CSS automatically redirect it to web02?


Regards,

Marlon


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Marlon Malinao Mon, 10/13/2008 - 19:28
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Here is my sample configuration


!************************** SERVICE **************************



service WEB01-79-HTTP


ip address 172.20.13.4


keepalive type tcp


keepalive port 80


active


service WEB01-79-HTTPS


ip address 172.20.13.4


keepalive type tcp


keepalive port 443


active


service WEB01-80-HTTP


ip address 172.20.13.5


keepalive type tcp


keepalive port 80


active


service WEB01-80-HTTPS


ip address 172.20.13.5


keepalive type tcp


keepalive port 443


active


service WEB01-82-HTTP


ip address 172.20.13.6


keepalive type tcp


keepalive port 80


active


service WEB01-82-HTTPS


ip address 172.20.13.6


keepalive type tcp


keepalive port 443


active


service WEB01-83-HTTP


ip address 172.20.13.7


keepalive type tcp


keepalive port 80


active


service WEB01-83-HTTPS


ip address 172.20.13.7


keepalive type tcp


keepalive port 443


active


service WEB01-79


ip address 172.20.13.4


active


service WEB01-80


ip address 172.20.13.5


active


service WEB02-82


ip address 172.20.13.6


active


service WEB02-83


ip address 172.20.13.7


active


!*************************** OWNER ***************************


owner VRL


content VIP


redundancy-l4-stateless


content WEB-HTTP1


vip address 172.20.10.85


protocol tcp


port 80


advanced-balance sticky-srcip


add service WEB01-79-HTTP


add service WEB01-82-HTTP


redundancy-l4-stateless


active


content WEB-HTTP2


vip address 172.20.10.86


port 80


protocol tcp


advanced-balance sticky-srcip


add service WEB01-80-HTTP


add service WEB01-83-HTTP


redundancy-l4-stateless


active


content WEB-HTTPS1


advanced-balance sticky-srcip


vip address 172.20.10.85


protocol tcp


port 443


add service WEB01-79-HTTPS


add service WEB01-82-HTTPS


redundancy-l4-stateless


application ssl


sticky-inact-timeout 20


active


content WEB-HTTPS2


advanced-balance sticky-srcip


vip address 172.20.10.86


protocol tcp


port 443


add service WEB01-80-HTTPS


add service WEB01-83-HTTPS


redundancy-l4-stateless


application ssl


sticky-inact-timeout 20


active


content WEB01-79


add service WEB01-79


vip address 172.20.10.79


redundancy-l4-stateless


active


content WEB01-80


add service WEB01-80


vip address 172.20.10.80


redundancy-l4-stateless


active


content WEB02-82


add service WEB02-82


vip address 172.20.10.82


redundancy-l4-stateless


active


content WEB02-83


add service WEB02-83


vip address 172.20.10.83


redundancy-l4-stateless


active


!*************************** GROUP ***************************



group WEB01-79


add service WEB01-79


vip address 172.20.10.79


redundancy-l4-stateless


active


group WEB01-80


add service WEB01-80


vip address 172.20.10.80


redundancy-l4-stateless


active


group WEB02-82


add service WEB02-82


vip address 172.20.10.82


redundancy-l4-stateless


active


group WEB02-83


add service WEB02-83


vip address 172.20.10.83


redundancy-l4-stateless


active

Syed Iftekhar Ahmed Tue, 10/14/2008 - 15:15
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keepalives configured for your services will mark the service down when its not available.


Syed

Marlon Malinao Tue, 10/14/2008 - 21:25
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Hi Syed,


Thanks for the reply. No extra configuration needed and the LB will automatically route packets to the other server.


Regards,

Marlon

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