Manual Chapter :
Managing iRules
Applies To:
Show Versions
BIG-IQ Centralized Management
- 6.0.0
Managing iRules
How do I change object settings on a managed device?
To change the object settings on a managed device, there are four tasks to perform.
This figure illustrates the workflow you perform to manage the objects on BIG-IP® devices. Changing the settings is the second step in this process.
Change managed object workflow
Create a new iRule
You can use the BIG-IQ Local Traffic interface to
add a new iRule to a managed device.
Important: When revising
configurations on devices that belong to a high availability cluster, it is
important to let the changes synchronize to the cluster members instead of trying to
make the same changes to multiple devices. If you try to replicate changes you made
on one device in the cluster, the next config sync attempt could fail.
Important: Rules are different from most other Local Traffic objects in
that they associate with virtual servers instead of devices. So to deploy a new
iRule to a device, you attach the iRule to a virtual server associated with the
target device and then deploy that change.
Note: This is a shared object. Shared objects do not deploy to a
device unless they are attached to a device specific object. The table lists device
specific and shared objects. When you create a shared object, remember that you must
associate it with a device specific before it can deploy to a device.
| Device Specific Objects | Shared Objects |
|---|---|
| Node | Certificates and Keys |
| Pool | Eviction Policies |
| SNAT Pool | iRules |
| Virtual Server | Monitors |
| Profiles |
To deploy this iRule to a device,
attach the iRule to a virtual server associated with the target device and then deploy
that change.
Attach iRules to virtual servers
You can use the BIG-IQ Local Traffic interface to attach iRules to a set
of virtual servers. Adding an iRule sequence to a group of servers at once can save time
and help you cut down on errors that result from performing repetitious tasks.
