The following attributes are supported in 
 the Digi PortServer II RADIUS client implementation. 
 
 Radius Attributes (RFC2138)
 Supported:
    Request   Accept   Reject   Challenge   #    Attribute
    1         0        0        0            1   User-Name
    0-1       0        0        0            2   User-Password 
    0-1       0        0        0            3   CHAP-Password
    0-1       0        0        0            4   NAS-IP-Address
    0-1       0        0        0            5   NAS-Port
    0-1       0-1      0        0            6   Service-Type
    0-1       0-1      0        0            7   Framed-Protocol
    0-1       0-1      0        0            8   Framed-IP-Address
    0-1       0-1      0        0            9   Framed-IP-Netmask
    0         0-1      0        0           10   Framed-Routing
    0         0+       0        0           11   Filter-Id
    0         0-1      0        0           12   Framed-MTU
    0+        0+       0        0           13   Framed-Compression
    0+        0+       0        0           14   Login-IP-Host
    0         0-1      0        0           15   Login-Service
    0         0-1      0        0           16   Login-TCP-Port
    0         0-1      0        0-1         27   Session-Timeout
    0         0-1      0        0-1         28   Idle-Timeout
 
 Radius Accounting Attributes (RFC2139)
 Supported:
                       #     Attribute
                       0-1   User-Name
                       0     User-Password
                       0     CHAP-Password
                       0-1   NAS-IP-Address
                       0-1   NAS-Port
                       0-1   Service-Type
                       0-1   Framed-Protocol
                       0-1   Framed-IP-Address
                       0-1   Framed-IP-Netmask
                       0-1   Framed-Routing
                       0+    Filter-Id
                       0-1   Framed-MTU
                       0+    Framed-Compression
                       0+    Login-IP-Host
                       0-1   Login-Service
                       0-1   Login-TCP-Port
                       0-1   Session-Timeout
                       0-1   Idle-Timeout
                       1     Acct-Status-Type
                       0-1   Acct-Delay-Time
                       0-1   Acct-Input-Octets
                       0-1   Acct-Output-Octets
                       1     Acct-Session-Id
                       0-1   Acct-Authentic
                       0-1   Acct-Session-Time
                       0-1   Acct-Input-Packets
                       0-1   Acct-Output-Packets
                       0-1   Acct-Terminate-Cause
                       0-1   Port-Limit
 
   The following table defines the above table entries.
 
       0     This attribute MUST NOT be present
       0+    Zero or more instances of this attribute MAY be present.
       0-1   Zero or one instance of this attribute MAY be present.
       1     Exactly one instance of this attribute MUST be present.