29
Snmp-server command
Parameter
Description
MCT-RACK(config)# snmp-
server user [user_name]
[user_name]
Specify an existing SNMPv3 community
name for configuration.
MCT-RACK(config-v3-
community- user_name)#
authentication [md5 | sha]
[md5 | sha]
Specify the method to ensure the identity
of users.
md5(message-digest algorithm):
A
widely used cryptographic hash function
producing a 128-bit (16-byte) hash value,
typically expressed in text format as a 32
digit hexadecimal number.
sha(Secure Hash Algorithm):
A 160-bit
hash function which resembles the said
MD5 algorithm.
MCT-RACK(config-v3-
community- user_name)#
authentication password
[password]
[password]
Specify the passwords,
up to 20
characters.
MCT-RACK(config-v3-
community- user_name)#
private [des]
[des]
Specify the method to ensure
confidentiality of data.
des(data encryption standard):
An
algorithm to encrypt critical information
such as message text message
signatures…etc.
MCT-RACK(config-v3-
community- user_name)#
private password [password]
[password]
Specify the passwords,
up to 20
characters.
No Command
MCT-RACK(config-v3-community-
user_name)# no authentication
Disable authentication function.
MCT-RACK(config-v3-community-
user_name)# no authentication password
Delete authentication password.
MCT-RACK(config-v3-community-
user_name)# no private
Disable data encryption function.
MCT-RACK(config-v3-community-
user_name)# no private password
Delete private password.
Show Command
MCT-RACK(config-v3-community-
user_name)# show
Show the current status of SNMPv3
community.
A combination of a security event as below indicates which security mechanism is used
when handling an SNMP packet.
Authentication
Private
Result
None
None
Uses a username match for
authentication
