9-3To do… Use the command… RemarksApply abasic oradvancedACL tocontrolTelnet usersacl acl-number { inbound |outbound }Apply anACL tocontrolTelnet usersby ACL Apply aLayer 2 ACLto controlTelnet usersacl acl-number inboundRequiredUse either commandz The inbound keyword specifies tofilter the users trying to Telnet tothe current switch.z The outbound keyword specifiesto filter users trying to Telnet toother switches from the currentswitch.Configuration ExampleNetwork requirementsOnly the Telnet users sourced from the IP address of 10.110.100.52 are permitted to access the switch.Network diagramFigure 9-1 Network diagram for controlling Telnet users using ACLsSwitch10.110.100.46Host AIP networkHost B10.110.100.52Configuration procedure# Define a basic ACL. system-view[Sysname] acl number 2000[Sysname-acl-basic-2000] rule 1 permit source 10.110.100.52 0[Sysname-acl-basic-2000] quit# Apply the ACL.[Sysname] user-interface vty 0 4[Sysname-ui-vty0-4] acl 2000 inboundControlling Network Management Users by Source IP AddressesYou can manage Switch 4200G through network management software. Network management userscan access switches through SNMP.You need to perform the following two operations to control network management users by source IPaddresses.