1-47[Switch-ui-vty0-4] protocol inbound ssh[Switch-ui-vty0-4] quit# Create RADIUS scheme rad.[Switch] radius scheme rad# Specify the primary authentication server.[Switch-radius-rad] primary authentication 10.1.1.1 1812# Specify the primary accounting server.[Switch-radius-rad] primary accounting 10.1.1.1 1813# Set the shared key for authentication packets to expert.[Switch-radius-rad] key authentication expert# Set the shared key for accounting packets to expert.[Switch-radius-rad] key accounting expert# Specify that a username sent to the RADIUS server carries the domain name.[Switch-radius-rad] user-name-format with-domain# Specify the service type for the RADIUS server, which must be extended when the RADIUS serverruns iMC.[Switch-radius-rad] server-type extended[Switch-radius-rad] quit# Configure the AAA methods for the domain.[Switch] domain bbb[Switch-isp-bbb] authentication login radius-scheme rad[Switch-isp-bbb] authorization login radius-scheme rad[Switch-isp-bbb] accounting login radius-scheme rad[Switch-isp-bbb] quitWhen using SSH to log in, a user enters a username in the form userid@bbb for authentication usingdomain bbb.3) Verify the configurationAfter the above configuration, the SSH user should be able to use the configured account to access theuser interface of the switch. The commands that the user can access depend on the settings for EXECusers on the iMC server.Level Switching Authentication for Telnet Users by an HWTACACS ServerNetwork requirementsAs shown in Figure 1-14,z Connect the Telnet user to the switch and the switch to the HWTACACS server.z Configure the switch to use local authentication for the Telnet user and assign the privilege level of0 for the user to enjoy after login.z Configure the switch to use the HWTACACS server and, if HWTACACS authentication is notavailable, use local authentication instead for level switching authenticate of the Telnet user.