Configure basic switch parameters.

Configure the S1, S2, and S3 switches according to the following guidelines:

• Configure the switch hostname.
• Disable DNS lookup.
• Configure an EXEC mode password of class.
• Configure a password of cisco for console connections.
• Configure a password of cisco for vty connections.

(Output for S1 shown)

Switch>enable

Switch#configure terminal

Enter configuration commands, one per line.  End with CNTL/Z.

Switch(config)#hostname S1

S1(config)#enable secret class

S1(config)#no ip domain-lookup 

S1(config)#line console 0

S1(config-line)#password cisco

S1(config-line)#login

S1(config-line)#line vty 0 15

S1(config-line)#password cisco

S1(config-line)#login

S1(config-line)#end

%SYS-5-CONFIG_I: Configured from console by console

S1#copy running-config startup-config 

Destination filename [startup-config]? 

Building configuration...

[OK]