Setup Guide

Set up SNMP
As previously stated, Dell EMC Networking OS supports SNMP version 1 and version 2 that are community-based security
models.
The primary difference between the two versions is that version 2 supports two additional protocol operations (informs
operation and snmpgetbulk query) and one additional object (counter64 object).
SNMP version 3 (SNMPv3) is a user-based security model that provides password authentication for user security and
encryption for data security and privacy. Three sets of configurations are available for SNMP read/write operations: no
password or privacy, password privileges, password and privacy privileges.
You can configure a maximum of 16 users even if they are in different groups.
Creating a Community
For SNMPv1 and SNMPv2, create a community to enable the community-based security in Dell EMC Networking OS.
The management station generates requests to either retrieve or alter the value of a management object and is called the
SNMP manager. A network element that processes SNMP requests is called an SNMP agent. An SNMP community is a group
of SNMP agents and managers that are allowed to interact. Communities are necessary to secure communication between
SNMP managers and agents; SNMP agents do not respond to requests from management stations that are not part of the
community.
Dell EMC Networking OS enables SNMP automatically when you create an SNMP community and displays the following
message. You must specify whether members of the community may only retrieve values (read), or retrieve and alter values
(read-write).
22:31:23: %STKUNIT0-P:CP %SNMP-6-SNMP_WARM_START: Agent Initialized - SNMP WARM_START.
To choose a name for the community you create, use the following command.
● Choose a name for the community.
CONFIGURATION mode
snmp-server community name {ro | rw}
To view your SNMP configuration, use the show running-config snmp command from EXEC Privilege mode.
DellEMC(conf)#snmp-server community my-snmp-community ro
22:31:23: %STKUNIT0-P:CP %SNMP-6-SNMP_WARM_START: Agent Initialized - SNMP WARM_START.
DellEMC#show running-config snmp
!
snmp-server community mycommunity ro
Setting Up User-Based Security (SNMPv3)
When setting up SNMPv3, you can set users up with one of the following three types of configuration for SNMP read/write
operations.
Users are typically associated to an SNMP group with permissions provided, such as OID view.
● noauth — no password or privacy. Select this option to set up a user with no password or privacy privileges. This setting is
the basic configuration. Users must have a group and profile that do not require password privileges.
● auth — password privileges. Select this option to set up a user with password authentication.
● priv — password and privacy privileges. Select this option to set up a user with password and privacy privileges.
To set up user-based security (SNMPv3), use the following commands.
● Configure the user with view privileges only (no password or privacy privileges).
CONFIGURATION mode
snmp-server user name group-name 3 noauth
● Configure an SNMP group with view privileges only (no password or privacy privileges).
CONFIGURATION mode
snmp-server group group-name 3 noauth auth read name write name
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Simple Network Management Protocol (SNMP)