Alcatel-Lucent 7950 SR, Руководство по управлению системой

Страница: 271 / 462

SNMP
7950 SR OS System Management Guide Page 271
The context-name is treated as either a full context-name string or a context name prefix
depending on the keyword specified ( exact or prefix ).
read view-name — Specifies the keyword and variable of the view to read the MIB objects.
This command must be configured for each view to which the group has read access.
Default
none
write view-name — Specifies the keyword and variable of the view to configure the contents of the
agent.
This command must be configured for each view to which the group has write access.
Values
Up to 32 characters
notify view-name — specifies keyword and variable of the view to send a trap about MIB objects.
This command must be configured for each view to which the group has notify access.
Values
none
attempts
Syntax attempts [ count ] [ time minutes1 ] [ lockout minutes2 ]
no attempts
Context config>system>security>snmp
Description
This command configures a threshold value of unsuccessful SNMP connection attempts allowed in a
specified time frame. The command parameters are used to counter denial of service (DOS) attacks
through SNMP.
If the threshold is exceeded, the host is locked out for the lockout time period.
If multiple attempts commands are entered, each command overwrites the previously entered
command.
The no form of the command resets the parameters to the default values.
Default attempts 20 time 5 lockout 10 — 20 failed SNMP attempts allowed in a 5 minute period with a 10
minute lockout for the host if exceeded.
Parameters count — The number unsuccessful SNMP attempts allowed for the specified time .
Default 20
Values 1 — 64
time minutes1 — The period of time, in minutes, that a specified number of unsuccessful attempts
can be made before the host is locked out.
Default 5
Values 0 — 60