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2.2.9.2.2.2 clear logging
Command: clear logging { sdram | nvram }
Function:
This command is used to clear all the information in the log buffer zone.
Command Mode:
Admin Mode
Usage Guide:
When the old information in the log buffer zone is no longer concerned,
we can use this command to clear all the information
example:
Clear all information in the log buffer zone sdram
Switch# clear logging sdram
2.2.9.2.2.3 logging host
Command: logging {<ipv4-addr> | <ipv6-addr>} [ facility <local-number> ] [level
<severity>]
no logging {<ipv4-addr> | <ipv6-addr>}[ facility <local-number> ]
Function:
The command is used to configure the output channel of the log host. The
“no” form of this command will disable the output at the log host output channel
Parameter: <ipv4-addr>
is the IPv4 address of the host,
<ipv6-addr>
is the IPv6
address of the host;
<local-number>
is the recording equipment of the host with a valid
range of local0
～
local7,which is in accordance with the facility defined in the
RFC3164;
<severity>
is the severity threshold of the log information severity level,The
rule of the log information output is explained as follows:only those with a level equal to
or higher than the threshold will be outputted. For detailed description on the severity
please refer to the operation manual.
Command Mode:
Global Mode
Default:
No log information output to the log host by default. The default recorder of the
log host is the local0, the default severity level is warnings
Usage Guide:
Only when the log host is configured by the logging command, this
command will be available. We can configure many IPv4 and IPv6 log hosts.
Example 1:
Send the log information with a severity level equal to or higher than
warning to the log server with an IPv4 address of 100.100.100.5, and save to the log
recording equipment local1
Switch(Config)#
logging 100.100.100.5 facility local1 level warnings
Example 2:
Send the log information with a severity level equal to or higher than
informational to the log server with an IPv6 address of 3ffe:506:1:2::3, and save to the log
recording equipment local1
Switch(Config)#
logging 3ffe:506:1:2::3 facility local5 level informational
