Thresholds to Monitor Memory and Disk Usage

STEP A On the High Availability page in the Communication Channel table, specify a HA Management IP Address for the Internal and External interfaces.

Enter IP addresses that are one host number higher than the addresses you entered for the first device. For example, if you entered 192.168.1.201 for the internal interface on the first device. Then, enter 192.168.1.202 for the second device.

STEP B Apply the changes.

Force High Availability State Change

If two devices are configured as a high-availability pair, one device is always Active mode while the other is in Standby mode. From the High Availability page, you can force a device to change modes.

STEP 1

STEP 2

STEP 3

Log into one of the devices in the High Availability pair.

From the LSM menu, select System > High Availability.

To change the current HA state of the device, click Switch.

It may take a moment for the device to change states.

Configuring High Availability with AutoDV

For the standby device to perform AutoDV, it needs a separate Digital Vaccine license.

The standby device uses the High Availability management IP address as the source IP address when doing AutoDV. Therefore, the HA management IP address must be public and routed to the Internet in addition to the external Virtual Interface IP address. When the active device does AutoDV it uses its external VI address.

If you have a separate (that is, the Internet side of the X family device) NAT device, then there is no need for a public IP address for either device so long as both can route to the Internet.

Troubleshooting High Availability with AutoDV

If the standby device cannot do AutoDV, check for the following:

Verify that the primary device can do AutoDV. If so it suggests a routing or licensing issue.

If the standby device cannot do AutoDV, can it do so if you make the standby device active? If so it suggests a licensing issue and not a networking issue.

If the standby device cannot do AutoDV even when it becomes the primary device, and licenses have been checked, it suggests that the standby device has a problem routing to or from the Internet via its High Availability management IP address.

Thresholds to Monitor Memory and Disk Usage

From the LSM Health menu (Events > Health > Monitor), you can monitor current disk and memory usage levels for the X family device. The Monitor page has a State field that indicates whether usage is at normal, high, or critical levels. The settings that determine these levels are specified on the Thresholds page.

X Family LSM User’s Guide V 2.5.1

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