SNMP performs network management functions using a data structure called a MIB (Management Information Base). SNMP is widely implemented but not very secure, since it uses only text community strings for accessing controller or service platform configuration files.

Use SNMP ACLs to help reduce SNMP vulnerabilities, as SNMP traffic can be exploited to produce a DoS.

The following table summarizes SNMP access list configuration commands:
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SNMP Access List Config Mode Commands

Command Description
deny (ip-snmp acl) Creates a deny SNMP MIB object traffic rule
permit (ip-snmp acl) Creates a permit SNMP MIB object traffic rule
no (ip-snmp acl) Removes a deny or permit SNMP MIB object traffic rule