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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
Related Command: show logging buffered
46.3 history all-users max-length
Command: history all-users max-length <count>
Function: Set the max command history of all users saved by the switch.
Parameter: <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
46.4 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