3 radius client – PLANET SGSD-1022 User Manual

Page 432

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User’s Manual of SGSD-1022 / SGSD-1022P

SGSW-2840 / SGSW-2840P

no authentication enable

local - Use local password only.

radius - Use RADIUS server password only.

tacacs - Use TACACS server password.

Default Setting

Local

Command Mode

Global Configuration

Command Usage

RADIUS uses UDP while TACACS+ uses TCP. UDP only offers best effort delivery, while TCP offers a

connection-oriented transport. Also, note that RADIUS encrypts only the password in the access-request packet from the

client to the server, while TACACS+ encrypts the entire body of the packet.

RADIUS and TACACS+ logon authentication assigns a specific privilege level for each user name and password pair. The

user name, password, and privilege level must be configured on the authentication server.

You can specify three authentication methods in a single command to indicate the authentication sequence. For example,

if you enter “authentication enable radius tacacs local,” the user name and password on the RADIUS server is verified first.

If the RADIUS server is not available, then authentication is attempted on the TACACS+ server. If the TACACS+ server is

not available, the local user name and password is checked.

Example

Console(config)#authentication enable radius

Console(config)#

Related Commands

enable password - sets the password for changing command modes

5.12.3 RADIUS Client

Remote Authentication Dial-in User Service (RADIUS) is a logon authentication protocol that uses software running on a central

server to control access to RADIUS-aware devices on the network. An authentication server contains a database of multiple

user name/password pairs with associated privilege levels for each user or group that require management access to a switch.

Command

Function

Mode

radius-server host

Specifies the RADIUS server

GC

radius-server auth-port

Sets the RADIUS server authentication port

GC

radius-server acct-port

Sets the RADIUS server accounting port

GC

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