# log-adjacency-changes

#### Syntax

For IS-IS adjacencies:

log-adjacency-changes [ severity { severityValue | severityNumber } ]
[ verbosity verbosityLevel ]

no log-adjacency-changes

For OSPFv3 adjacencies:

[ no ] log-adjacency-changes [ severity { severityValue | severityNumber } ]
[ verbosity verbosityLevel ]

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Generates a log message when the state of an IS-IS adjacency or an OSPFv3 neighbor changes. For OSPFv2 neighbors, use theospf log-adjacency-changes command. Manipulates the same log as the Global Configuration log commands. The no version disables this function.

#### Options

- severity—Sets minimum severity of the log messages for this category; described either by a descriptive term—severityValue—or by a corresponding number—severityNumber—in the range 0–7. The lower the number, the higher the priority:
  - emergency or 0—System unusable
  - alert or 1—Immediate action needed
  - critical or 2—Critical condition exists
  - error or 3—Error condition
  - warning or 4—Warning condition
  - notice or 5—Normal but significant condition
  - info or 6—Informational message
  - debug or 7—Debug message
- verbosity—Specifies the verbosity of this log category's messages
- verbosityLevel—Specifies the verbosity of the log category's messages; can be any of the following:
  - high—Verbose
  - low—Terse
  - medium—Moderate detail

#### Mode

Router Configuration