72-5
<count>: the command history number can be saved, ranging from 100 to 1000
Command Mode:
Global mode
Usage Guide:
The system can save 100 recent command history of all users at best by default, using this
command can set the max command history number.
Example:
Switch(config)#history all-users max-length 500
72.4 logging
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.
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