Setting Up SAE Communities
You can configure the following for SAE communities:
- Define the members of an SAE community by adding the IP addresses of SAEs in the community to the virtual router object of the network device in the directory.
See Configuring the SAE Community Manager.
See Specifying the SAE Community Manager.
Defining SAE Communities
You define SAE communities by entering the SAEs in a community in the connected SAE field of the virtual router object.
When you modify a community, wait for passive session stores on the new community members to be updated before you shut down the current active SAE. Otherwise, if you add a new member to a community, and then a failover from the current active SAE to the new member is triggered immediately, the new member's session store may not have received all data from the active SAE's session store.
To define a community, select the SAE Connection tab of the VirtualRouter pane in SDX Admin, and add the addresses of SAEs that can manage the device.
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Adding an SAE
Modifying an SAE Address
- Click the IP address of the SAE in the Connected SAE box.
- Modify the IP address in the field below the Connected SAE box.
- Click Modify.
Deleting an SAE Address
- Click the IP address of the SAE in the Connected SAE box.
- Remove the IP address from the field below the Connected SAE box.
- Click Delete.
Connected SAE
Configuring the SAE Community Manager
To use SDX Configuration Editor to configure the SAE community manager that manages third-party network device communities:
- In the navigation pane, select a configuration file for the SAE that you want to configure.
- Select the Ext. Interface tab, and expand the Community Manager (PROXYCommunityManager) section.
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- Edit or accept the default values in the field.
- Select File > Save.
- Right-click the configuration file, and select SDX System Configuration > Export to LDAP Directory.
Community Manager Fields
In SDX Configuration Editor, you can modify the following field in the Community Manager (PROXYCommunityManager) section of the Ext. Interface pane in an SAE configuration file.
Keepalive Interval [s]
- Interval between keepalive messages sent from the active SAE to the passive members of the community.
- Value—Number of seconds in the range 0-2147483647
- Default—30
- Property name—SAEFeature.PROXYCommunityManager.heartbeat
Number of Threads
- Number of threads that are allocated to manage the community.
- Value—Integer in the range 0-2147483647
- Guidelines—You generally do not need to change this property.
- Default—5
- Property name—SAEFeature.PROXYCommunityManager.num_threads
Acquire Timeout
- Amount of time an SAE waits for a remote member of the community when it is acquiring a distributed lock. To avoid race conditions when the SAE community is determining which SAE is the active SAE, the community manager has a distributed lock. When an SAE attempts to become the active SAE, it needs to acquire the distributed lock.
- Value—Number of seconds in the range 0-2147483647
- Guidelines—You generally do not need to change this property.
- Default—15
- Property name—SAEFeature.PROXYCommunityManager.acquire_timeout
Blackout Time
- Amount of time that an active SAE must wait after it shuts down before it can try to become the active SAE of the community again.
- Value—Number of seconds in the range 0-2147483647
- Default—30
- Property name—SAEFeature.PROXYCommunityManager.blackout_time
Specifying the SAE Community Manager
To use SDX Configuration Editor to specify the name of the community manager that manages third-party network device communities:
- In the navigation pane, select a configuration file for the SAE that you want to configure.
- Select the Router tab, and expand the Proxy Router Driver section.
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- Edit or accept the default values in the field.
See Proxy Router Driver Fields.
- Select File > Save.
- Right-click the configuration file, and select SDX System Configuration > Export to LDAP Directory.
Proxy Router Driver Fields
In SDX Configuration Editor, you can modify the following field in the Proxy Router Driver section of the Router pane in an SAE configuration file.
SAE Community Manager
- Name of the community manager that manages network device communities. Active SAEs are selected from this community. You define community managers in the Ext. Interfaces tab of SDX Configuration Editor. See Configuring the SAE Community Manager.
- Value—Community name
- Default—PROXYCommunityManager
- Property name—Router.proxy.community.name