# Configuring the E Series Router

To configure the router to support CLI-based packet mirroring:

1. Configure the analyzer interface, the route to the analyzer device, and any static ARP entries.
2. Allow authorized users to have access to the mirror-enable command. The users can then make the packet mirroring CLI commands visible and perform the following steps.
3. Configure the secure policy that forwards the mirrored traffic to the analyzer device.
4. (Optional) For increased security, create an IPSec tunnel between the analyzer interface and the analyzer device.
5. For interface-specific mirroring, attach the secure policy to the interface.
6. For user-specific mirroring, configure the trigger that identifies the user.