Cisco FirePOWER 7000 Manual page 13

7000 and 8000 Series Device High Availability
Establishing Device High-Availability State Sharing
Smart License
N/A
Device high-availability state sharing allows 7000 or 8000 Series devices or stacks in high-availability pairs
to synchronize as much state as necessary, so that if either device or stack fails, the other peer can take over
with no interruption to traffic flow.
Caution Modifying a high-availability state sharing option on a 7000 or 8000 Series device restarts the Snort process
on the primary and secondary devices, temporarily interrupting traffic insepection on both devices. Whether
traffic drops during this interruption or passes without further inspection depends on how the target device
handles traffic. See
Procedure
Step 1 Configure HA link interfaces for each device in the device high-availability pair; see
Interfaces.
Step 2 Choose Devices > Device Management.
Step 3 Next to the device high-availability pair you want to edit, click the edit icon (
In a multidomain deployment, if you are not in a leaf domain, the system prompts you to switch.
Step 4
In the State Sharing section, click the edit icon (
Step 5 Decrease the state sharing values to improve paired peer readiness, or increase the values to allow better
performance.
Note
Step 6
Click OK to save your changes.
What to do next
• Deploy configuration changes; see
Related Topics
Classic License
Control
®
Snort Restart Traffic Behavior
Cisco recommends that you use the default values, unless your deployment presents a good reason
to change them.
Configuring HA Link Interfaces
®
Snort Restart Scenarios
Establishing Device High-Availability State Sharing
Supported Devices Supported Domains
7000 & 8000 Series Leaf only
for more information.
).
Deploy Configuration Changes.
7000 and 8000 Series Device High Availability
Access
Admin/Network
Admin
Configuring HA Link
).
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