Table 4-2
Log severity levels
Severit
y Value
Severity
Level
Description
0
Emergency
System is unusable: A fatal fault occurs in the device, such as an
abnormally running program or unauthorized use of memory.
The system must restart.
1
Alert
Action must be taken immediately: A serious fault occurs in a
device, such as memory usage reaching the upper limit. The fault
needs to be rectified immediately.
2
Critical
Critical conditions: A critical fault occurs, such as memory usage
reaching the lower limit, the temperature reaching the lower
limit, BFD detecting an unreachable device, or an internal fault
in a device. The fault needs to be located and rectified.
3
Error
Error conditions: A fault caused by an incorrect operation or
process occurs, such as an incorrect protocol packet received
from another device, a wrong command, or a wrong password.
4
Warning
Warning conditions: An exception occurs, such as disabling of
a routing process, packet loss detected by BFD, or receipt of a
wrong protocol packet.
5
Notice
Normal but significant conditions: A key operation is performed
to keep a device run properly, such as running the
shutdown
command, neighbor discovery, or status change of the protocol
state machine.
6
Informational
Informational messages: A common operation is performed to
keep a device run properly, such as running the
display
command.
7
Debugging
Debug-level messages: A routine operation is performed, and no
action is required.
Log Format
shows the format in which logs are output.
Figure 4-1
Log format
<Int_16>TIMESTAMP HOSTNAME %%ddAAA/B/CCC(l):VR=X-CID=ZZZ; YYYY
describes the fields in a log.
HUAWEI NetEngine5000E Core Router
Configuration Guide - System Management
4 Log Management
Issue 01 (2011-10-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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