SNMP

Atlas 900 Compute Node iBMC (V3.01.00.00 or Later) User Guide 09

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SNMP

Function Description

The Simple Network Management Protocol (SNMP) consists of a set of network management standards. It contains an application layer protocol, a database model, and a group of resource objects. This protocol helps a network management system to detect devices connected to the network.

On the SNMP page, you can query and configure Simple Network Management Protocol (SNMP) service settings.

The iBMC supports the following SNMP versions:

SNMPv1: The first official SNMP version defined in Requests for Comments (RFC) 1157. Using SNMPv1 may pose security risks. For security purposes, use SNMPv3.
SNMPv2: An experimental protocol defined in RFC 1901 and adopts a community-based management architecture. Using SNMPv2 may pose security risks. For security purposes, use SNMPv3.
SNMPv3: The third official SNMP version, which enhances security and remote configuration capabilities on the basis of earlier versions.

The SNMP function may be unavailable for 5 to 10 seconds after you perform the following operations on the User & Security > Local Users page:

Add or delete users.
Change the user password and role.
Set the SNMPv3 encryption password or SNMPv3 algorithm.

GUI

Choose Services > SNMP.

The SNMP Settings page is displayed, as shown in Figure 3-52.

Figure 3-52 SNMP Settings
Click to enlarge

Parameter Description

Table 3-60 SNMP

Parameter	Description
SNMP	Indicates the status of the SNMP service.
Port	Port number for the SNMP service. Value: 1 to 65535 Default value: 161
Contact Person	Person who manages the server. Value: a string of 0 to 255 characters, including digits, letters, and special characters
Location	Physical location of the server. Value: a string of 0 to 255 characters, including digits, letters, and special characters
SNMPv1/SNMPv2 NOTE: If SNMPv1/SNMPv2 is enabled, change the SNMP community name upon the first login, and change it periodically.
Long Password	Setting of the long password function, which can be enabled or disabled. Enable this function to enforce a minimum of 16 characters for community names. Default value: Enabled
Read-Only Community	Read-only community name. Value: If password check is disabled, the community names must meet the following requirements: If the long password feature is enabled, the community name is a string of 16 to 32 characters without spaces. If the long password feature is disabled, the community name is a string of 1 to 32 characters without spaces. If password check is enabled, the community names must meet the following requirements: Length: A string of 16 to 32 characters if the long password feature is enabled. A string of 8 to 32 characters without spaces if the long password feature is disabled. Contain at least one of the following special characters: `~!@#$%^&()-_=+\\|[{}];:'",<.>/? Contain at least two types of the following characters: Uppercase letters A to Z Lowercase letters a to z Digits 0 to 9 Cannot contain spaces. If weak password check is enabled, the password cannot be the same as the passwords contained in the weak password dictionary. (You can run the ipmcset -t user -d weakpwddic -v export* <filepath \| file_URL> command to export the weak passwords from the weak password dictionary.)
Confirm Read-Only Community	Read-only community name re-entered for confirmation.
Read/Write Community	Read-write community name. Value: If password check is disabled, the community names must meet the following requirements: If the long password feature is enabled, the community name is a string of 16 to 32 characters without spaces. If the long password feature is disabled, the community name is a string of 1 to 32 characters without spaces. If password check is enabled, the community names must meet the following requirements: Length: A string of 16 to 32 characters if the long password feature is enabled. A string of 8 to 32 characters without spaces if the long password feature is disabled. Contain at least one of the following special characters: `~!@#$%^&()-_=+\\|[{}];:'",<.>/? Contain at least two types of the following characters: Uppercase letters A to Z Lowercase letters a to z Digits 0 to 9 Cannot contain spaces. If weak password check is enabled, the password cannot be the same as the passwords contained in the weak password dictionary. (You can run the ipmcset -t user -d weakpwddic -v export* <filepath \| file_URL> command to export the weak passwords from the weak password dictionary.)
Confirm Read/Write Community	Read-write community name re-entered for confirmation.
Login Rules	Login rules applied to SNMPv1 or SNMPv2 users. The login rules configured and enabled for local users will apply to the SNMPv1 or SNMPv2 users.
SNMPv3 NOTE: The SNMPv3 service can be enabled or disabled on the iBMC. By default, the SNMPv3 service is enabled. For iBMC V3.01.12.01 or later versions, you can set the SNMPv3 encryption password and SNMPv3 algorithm on the User & Security > Local Users > Edit User page.
SNMPv3 Authentication Algorithm	SNMPv3 authentication algorithm. Value: MD5 SHA SHA256 SHA384 SHA512 Default value: SHA NOTE: This setting applies only to SNMPv3 and SNMPv3 Trap. iBMC V591 and later versions support the SHA256, SHA384, or SHA512 algorithm. MD5 and SHA may pose security risks. SHA256, SHA384, or SHA512 is recommended. When the server is managed by an NMS, the authentication algorithm type must be the same as that used on the NMS.
SNMPv3 Encryption Algorithm	SNMPv3 encryption algorithm. Value: DES AES Default value: AES NOTE: This setting applies only to SNMPv3 and SNMPv3 Trap. Using DES may pose security risks. AES is recommended.
SNMPv3 Engine ID	Uniquely identifies the SNMP engine of the SNMP agent.

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Updated: 2023-08-04

Document ID: EDOC1100152759

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