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Overview

The

. For external authentication, the user credentials are sent to

a remote Remote Authentication Dial In User Service (RADIUS)

server and authenticated. The username and encrypted password are sent to the remote RADIUS server in an ACCESS_REQUEST packet. The user is allowed/denied access to the 

• Administrator
• Operator
• FieldService
• Guest
• SecurityAuditor
• Calea

To configure RADIUS authentication for

Anchor
privileges privileges

Obtain Correct Privileges via RADIUS Transaction

When a user is authenticated via RADIUS, the user is assigned to a group provided by the RADIUS server as part of the ACCESS_ACCEPT packet.

For

0               1               2               3       
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|     Type      |  Length       |            Vendor-Id
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
     Vendor-Id (cont)           | Vendor type   | Vendor length |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|    Attribute-Specific...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-

The Vendor-Id is

an SMI Network Management Private Enterprise Code of the vendor

Ribbon as specified in RFC 2865.

• Vendor ID for

• Ribbon is "2879".
• Vendor type can be "1" considering this is the first instance of using VSAs. Type "1" can be the identifier for a group name from server.
• Vendor length is the length of the group name itself. This is followed by a string consisting of a case-sensitive group name.

If the RADIUS server does not provide a group or provides a group name which is not present in the

the

Anchor
multiple servers multiple servers

Configure Multiple RADIUS Servers

The

When more than one RADIUS server is configured and RADIUS authentication is attempted, the server configured with the least priority value is tried first. If fallback is configured, the inverse priority order is followed to pick the next server for authentication. SBC allows a configurable number of retries and time-outs before retry.

Once the

SBC includes statistics to check the status of a RADIUS server, as well as the time when an unavailable server automatically becomes available again. See "radiusAuthentication" statistic details at

Show Table OAM or Show Status OAM pages.

Enable Remote Authentication

To enable remote authentication:

1. Log into the SBC CLI.
   
   

2. Change to

1. Configuration mode:

   Code Block
   language none
   > configure private

   Span

2. Execute the following command:

   Code Block
   language none
   % set system admin <system name> localAuthenticationEnabled false externalAuthenticationEnabled true

Configure a RADIUS Server

To configure

a remote RADIUS Server:

1. Log

1. into the 

   Spacevars
   0 product

    CLI.
    

2. Change to

1. Configuration mode:

   Code Block
   language none
   > configure private

   Span

2. Execute the following command:

   Code Block
   language none
   % set oam radiusAuthentication radiusServer <server name> mgmtInterfaceGroup <string> priority <#> radiusNasIp <x.x.x.x> radiusServerIp <x.x.x.x> radiusServerPort <#> radiusSharedSecret <8-128> state <disabled | enabled> retryCriteria oosDuration <# minutes> retryCount <#> retryTimer <# milliseconds>

The supports all alphabetical, numeric, and special characters for setting the radiusSharedSecret key.

The following characters in the key must be escaped while setting a radiusSharedSecret for configuring a RADIUS server:

• # (hash) anywhere in the key
• \ (backslash) anywhere in the key
• “ (double quotes) at the beginning or end of the key

For example,

• Un-escaped key: ThisIsARadiusKeyWithDoubleQuote”andBackSlash\Hash#andAdoubleQuoteAtTheEnd”
• Escaped string: ThisIsARadiusKeyWithDoubleQuote”andBackSlash\\Hash\#andAdoubleQuoteAtTheEnd\”