RADIUS ATTRIBUTES REFERENCE GUIDE 
RELEASE 14.0.R4
RADIUS Attributes Reference
Issue: 01 3HE 10793 AAAB TQZZA 01 279
 
Table 93 lists the possible [101] Error-Cause attribute values generated in the SR OS 
in response to a Disconnect Message targeting an IPsec tunnel.
508 Multiple Session 
Selection 
Unsupported
Multiple Session Selection Unsupported is a fatal error sent by 
a NAS in response to a CoA-Request or Disconnect-Request 
whose session identification attributes match multiple sessions, 
where the NAS does not support Requests applying to multiple 
sessions.
No
Table 92 RADIUS CoA Message [101] Error-Cause Values (Continued)
Code CoA Error Cause Description SR OS
Table 93  RADIUS Disconnect Message [101] Error-Cause Values for IPSec Tunnel
Code CoA Error Cause Description
404 Invalid Request A fatal error sent if some other aspect of the Disconnect-Request is 
invalid, such as multiple tunnel identifications present in the request.
503 Session Context Not 
Found
A fatal error sent if the tunnel identified in the Disconnect-Request does 
not exist.
504 Session Context Not 
Removable
A fatal error sent if all identified tunnels belong to a tunnel-group in MC-
IPsec standby status.