Interesting, As Paul mentionned, I would expect the ARC to send accounting stop data with the appropriate termination cause. In any case, I believe there is a way to issue a disconnect user command through SNMP instead of a Modem reset. I've yet to figure it out completely, so any help from this list will be welcomed! (Especially from the 3Com people)! Active session information can be "walked" with the .1.3.6.1.4.1.429.4.2.1.46.1. SNMP tree. .1.3.6.1.4.1.429.4.2.1.46.1.6 for example, will walk the interface names per username. The rest of the OID is composed of the Username (ascii values) and the SessionID. So for my username draggy (100.114.97.103.103.121), the OID returned would be: .1.3.6.1.4.1.429.4.2.1.46.1.6.100.114.97.103.103.121.173123 = "slot:4/mod:12" In this case 173123 would be the SessionId. To disconnect the user, the ARC MIB has: .1.3.6.1.4.1.429.4.2.1.46.1.5 uumActiveSessionAction OBJECT-TYPE SYNTAX INTEGER { disconnect(6) } ACCESS write-only STATUS mandatory DESCRIPTION "We need to be able to disconnect all users with a particular user name" ::= { uumActiveSessionEntry 5 } I assume that by writing the integer 6 with a snmpset on the OID .1.3.6.1.4.1.429.4.2.1.46.1.5."username in ascii" I would disconnect the username from the ARC. However, I've been unable to do this since I get back different errors from snmpset. I get unknown OID if I set an integer 6 to the OID above (with and without the SessionId appended), and I get a packet error if I set anything other than the integer 6. Perhaps this user disconnection would send the accounting data. I'm unsure whether the modem disconnect snmpset actually sends out the accounting STOP or not. If it doesn't then I'd consider this a flaw in the way the ARC operates. Nick "Stainforth, Matthew" wrote:
I've found that "disc user" from the ARC CLI will send an accounting STOP record, however, a "reset modem slot:x/mod:y" won't, thereby causing ghost records in the RADIUS tracking. It might be something to look out for if you try to reset the actual interfaces via SNMP.
Matthew Stainforth || Technical Services Manager || BrunNet Inc.
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