# stTunnelEngine

#### Description

Logs events and conditions related to the communication between the IPSec tunnels application and the IPSec server and line modules

#### Emergency

None

#### Alert

None

#### Critical

None

#### Error

Unexpected and nonrecoverable communication errors

#### Warning Log

Unexpected but recoverable events

#### Notice Log

Controller up/down and restart up/down events

#### Info

Processing of controller up/down and restart up/down events; processing of synchronization events following a cold- or warm-restart

#### Debug

Detailed debug information related to all communication between the IPSec tunnels application and the IPSec server and line modules; interactions with the IP Engine application for virtual router table download to designated IPSec server modules

#### Filter

None