Create a security zone and add interfaces into the security zone on an AR router

A router considers that data flows occurring within a security zone are trustful and therefore no security policy needs to be implemented. If data flows occur between different security zones, the security check function of the firewall is triggered, and corresponding policy is implemented.
To configure firewall services, create relevant security zones and specify priorities for the security zones so as to determine deployment of security services according to the priorities between different security zones. The specified priorities cannot be modified; otherwise, other configuration cannot be performed. Different security zones have different priorities. The larger the value, the higher the priority of a zone. After a security zone is created, interfaces must be added to the zone to activate the firewall.
The specific configuration procedure is as follows:
1. Run the system-view command to access the system view.
2. Run the firewall zone zone-name command to create a security zone.
By default, no security zone is created on the router.
3. Run the priority security-priority command to configure a priority for the security zone.
4. Run the quit command to access the system view.
5. Run the interface interface-type interface-number command to access the interface view.
6. Run the zone zone-name command to add interfaces to the security zone.//Each security zone can contain multiple interfaces, but an interface can be added to one zone only.
Note: The router will automatically create a security zone named Local which has the highest priority. This security zone cannot be deleted or contain any interface, and its priority cannot be modified. To apply the firewall functions to the control packets which are reported to this router, the Local security zone may be used.
For details about the commands for creating a security zone and adding interfaces into the security zone as well as creating an interzone, see the URL:
The AR router creates a security domain and adds the interface to the security zone.

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