Forum Discussion

pj_109705's avatar
pj_109705
Icon for Nimbostratus rankNimbostratus
Dec 06, 2012

N:N loadbalancing and failure recovery

We have 3 devices and 3 servers where each Device maintains 1 TCP conn with a Server.   We need to setup Irule to maintain following failback:   - each Device needs to be connected to separate ...
application delivery
dev
devops
iRules
nitass's avatar
nitass
Icon for Employee rankEmployee
Dec 06, 2012
- each Device needs to be connected to separate server if all 3 servers are healthy

 

- if 1 server fails, particular device will be reconnected to another server so that server will handle 2 TCP connectionsi am thinking to use table and node command i.e. recording client and server mapping in table and using node command to direct traffic to specific server.

 

 

table

 

https://devcentral.f5.com/wiki/irules.table.ashx

 

 

node

 

https://devcentral.f5.com/wiki/iRules.node.ashx

 

 

- after failed server comes back, we need to resume 1:1 situationmay we delete existing connection when server comes back?

 

 

Acton on Log - using the alertd deamon

 

https://devcentral.f5.com/wiki/advdesignconfig.Acton-on-Log-using-the-alertd-deamon.ashx