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Dell PowerEdge FN I/O Module Command Line Reference Guide 9.10(0.0)

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snmp-server user

Configure a new user to an SNMP group.

Syntax snmp-server user name { group_name remote ip-address udp-port port-number} [1 | 2c | 3] [encrypted] [auth {md5 | sha} auth-password] [priv des56 | aes128–cfb} priv-password [access access-list-name | ipv6 access-list-name | access-list-name ipv6 access-list-name]

To remove a user from the SNMP group, use the no snmp-server user name { group_name remote ip-address udp-port port-number} [1 | 2c | 3] [encrypted] [auth {md5 | sha} auth-password] [priv des56 | aes128–cfb} priv password] [access access-list-name | ipv6 access-list-name] command.

Parameters
name Enter the name of the user (not to exceed 20 characters), on the host that connects to the agent.
group_name Enter a text string (up to 20 characters long) as the name of the group. The following groups are created for mapping to read/write community/security-names (defaults):
  • v1v2creadu — maps to a community with ro permissions.
  • 1v2cwriteu — maps to a community rw permissions.
remote ip-address Enter the keywords udp-port then the user datagram protocol (UDP) port number on the remote device. The range is from 0 to 65535. The default is 162.
udp-port port-number Enter the keywords udp-port then the UDP (User Datagram Protocol) port number on the remote device. The range is from 0 to 65535. The default is 162.
1 | 2c | 3 (OPTIONAL) Enter the security model version number ( 1, 2c, or 3):
  • 1 is the least secure version.
  • 3 is the most secure of the security modes.
  • 2c allows transmission of informs and counter 64, which allows for integers twice the width of what is normally allowed.

The default is 1.

encrypted (OPTIONAL) Enter the keyword encrypted to specify the password appear in encrypted format (a series of digits, masking the true characters of the string).
auth (OPTIONAL) Enter the keyword auth to specify authentication of a packet without encryption.
md5 | sha (OPTIONAL) Enter the keyword md5 or sha to designate the authentication level.
  • md5 — Message Digest Algorithm
  • sha — Secure Hash Algorithm
auth-password (OPTIONAL) Enter a text string (up to 20 characters long) password that enables the agent to receive packets from the host and to send packets to the host. Minimum: eight characters long.
priv des56 (OPTIONAL) Enter the keywords priv des56 to initiate a privacy authentication level setting using the CBC-DES privacy authentication algorithm (des56).
aes128 (OPTIONAL) Enter the keyword aes128 to initiate the AES128-CFB encryption algorithm for transmission of SNMP packets.
priv password (OPTIONAL) Enter a text string (up to 20 characters long) password that enables the host to encrypt the contents of the message it sends to the agent and decrypt the contents of the message it receives from the agent. Minimum: eight characters long.
access-list-name (Optional) Enter the standard IPv4 access list name (a string up to 16 characters long).
Defaults If no authentication or privacy option is configured, then the messages are exchanged (attempted anyway) without any authentication or encryption.
Command Modes CONFIGURATION
Supported Modes Full–Switch Mode
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.3(0.0) Added support for the AES128-CFB encryption algorithm on the MXL 10/40GbE Switch IO Module platform.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information

No default values exist for authentication or privacy algorithms and no default password exists. If you forget a password, you cannot recover it; the user must be reconfigured. You can specify either a plain-text password or an encrypted cypher-text password. In either case, the password is stored in the configuration in an encrypted form and displayed as encrypted in the show running-config command.

If you have an encrypted password, you can specify the encrypted string instead of the plain-text password. The following command is an Example of how to specify the command with an encrypted string.

  • NOTE: The number of configurable users is limited to 16.
Example 
Dell# snmp-server user privuser v3group v3 encrypted auth md5
                                             9fc53d9d908118b2804fe80e3ba8763d priv des56 d0452401a8c3ce42804fe80e3ba8763d
Usage Information The following command is an example of how to enter a plain-text password as the string authpasswd for user authuser of group v3group.
Example 
Dell#conf
                                             Dell(conf)# snmp-server user authuser v3group v3 auth md5 authpasswd
Usage Information The following command configures a remote user named n3user with a v3 security model and a security level of authNOPriv.
Example 
Dell#conf
                                             Dell(conf)# snmp-server user n3user ngroup remote 172.31.1.3 udp-port 5009 3
                                             auth md5 authpasswd
Related Commands show snmp user — displays the information configured on each SNMP user name.

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