Dell PowerSwitch S4820T Configuration Guide for the S4820T System 9.112.0P1 - Page 76
Configuring Login Authentication for Terminal Lines
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access-class access-list-name [ipv4 | ipv6] NOTE: If you already have configured generic IP ACL on a terminal line, then you cannot further apply IPv4 or IPv6 specific filtering on top of this configuration. Similarly, if you have configured either IPv4 or IPv6 specific filtering on a terminal line, you cannot apply generic IP ACL on top of this configuration. Before applying any of these configurations, you must first undo the existing configuration using the no access-class access-list-name [ipv4 | ipv6] command. Example of an ACL that Permits Terminal Access Example Configuration To view the configuration, use the show config command in LINE mode. Dell(config-std-nacl)#show config ! ip access-list standard myvtyacl seq 5 permit host 10.11.0.1 Dell(config-std-nacl)#line vty 0 Dell(config-line-vty)#show config line vty 0 access-class myvtyacl Dell(conf-ipv6-acl)#do show run acl ! ip access-list extended testdeny seq 10 deny ip 30.1.1.0/24 any seq 15 permit ip any any ! ip access-list extended testpermit seq 15 permit ip any any ! ipv6 access-list testv6deny seq 10 deny ipv6 3001::/64 any seq 15 permit ipv6 any any ! Dell(conf)# Dell(conf)#line vty 0 0 Dell(config-line-vty)#access-class testv6deny ipv6 Dell(config-line-vty)#access-class testvpermit ipv4 Dell(config-line-vty)#show c line vty 0 exec-timeout 0 0 access-class testpermit ipv4 access-class testv6deny ipv6 ! Configuring Login Authentication for Terminal Lines You can use any combination of up to six authentication methods to authenticate a user on a terminal line. A combination of authentication methods is called a method list. If the user fails the first authentication method, Dell Networking OS prompts the next method until all methods are exhausted, at which point the connection is terminated. The available authentication methods are: enable line local none radius Prompt for the enable password. Prompt for the password you assigned to the terminal line. Configure a password for the terminal line to which you assign a method list that contains the line authentication method. Configure a password using the password command from LINE mode. Prompt for the system username and password. Do not authenticate the user. Prompt for a username and password and use a RADIUS server to authenticate. 76 Management
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