The re-authentication is also applicable for authenticated 802.1x devices. When there is a change in theauthentication servers, the supplicants connected to all the ports are forced to re-authenticate.Example Dell(config)#aaa reauthenticate enableDell(config)#aaa authentication login vty_auth_list radiusForce all logged-in users to re-authenticate (y/n)?Dell(config)#radius-server host 192.100.0.12Force all logged-in users to re-authenticate (y/n)?access-classRestrict incoming connections to a particular IP address in a defined IP access control list (ACL).Syntax access-class access-list-nameTo delete a setting, use the no access-class command.Parameters access-list-name Enter the name of an established IP Standard ACL.Defaults Not configured.Command Modes LINECommand History This guide is platform-specific. For command information about other platforms, see the relevant Dell NetworkingOS Command Line Reference Guide.Version Description9.10(0.0) Introduced on the S6100-ON.9.8(1.0) Introduced on the Z9100-ON.9.8(0.0P5) Introduced on the S4048-ON.9.8(0.0P2) Introduced on the S3048-ON.9.7(0.0) Introduced on the S6000–ON.9.2(1.0) Introduced on the Z9500.9.0.2.0 Introduced on the S6000.8.3.19.0 Introduced on the S4820T.8.3.11.1 Introduced on the Z9000.8.3.7.0 Introduced on the S4810.7.6.1.0 Introduced on the S-Series.7.5.1.0 Introduced on the C-Series.pre-6.2.1.1 Introduced on the E-Series.Related Commands • line — applies an authentication method list to the designated terminal lines.• ip access-list standard — names (or selects) a standard access list to filter based on the IP address.• ip access-list extended — names (or selects) an extended access list based on the IP addresses or protocols.1392 Security
