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Dell SmartFabric OS10 User Guide Release 10.5.3

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Restrict SNMP access

To filter SNMP requests on the switch, assign access lists to an SNMP community. Both IPv4 and IPv6 access lists are supported.

These points are applicable when you assign an ACL to an SNMP community:

  • By default, SNMP requests from all hosts are allowed.
  • You can only apply permit ACL rules to an SNMP community. deny ACL rules do not take effect if you apply them.
  • To permit SNMP requests for multiple hosts, apply individual permit ACL rules for hosts or prefixes.
  • Applying ACL rules for an SNMP community in a non default VRF is not supported.
  1. Create access lists with permit filters; for example: 
    OS10(config)# ip access-list snmp-read-only-acl
OS10(config-ipv4-acl)# permit ip 172.16.0.0 255.255.0.0 any
OS10(config-ipv4-acl)# exit
OS10(config)#
  2. Apply ACLs to an SNMP community in CONFIGURATION mode. 
    OS10(config)# snmp-server community public ro acl snmp-read-only-acl
View SNMP ACL configuration 
OS10# show snmp community
Community : public
Access : read-only
ACL : snmp-read-only-acl

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