# isisHelloGeneral

#### Description

IS-IS system notifications

#### Emergency

None

#### Alert

None

#### Critical

None

#### Error

Memory failure and other fatal errors

#### Warning Log

Communication failure between IS-IS and IS-IS hello

#### Notice Log

None

#### Info

None

#### Debug

Timer expiration and other normal events

#### Filter 1

interface—See description of the isisAdjChange interface filter for information about this filter

#### Filter 2

router—See description of the isisAdjChange router filter for information about this filter