FreeRadius LDAP Simultaneous-Use more than 1

Reilly, Paul preilly at
Fri Feb 20 19:01:05 CET 2015

I been debugging it and I think it has to do with my client.conf settings nastype set to other not cisco.  When I set it to cisco I am getting snmp errors which makes be believe checkrad isnt working properly. 

SNMP Error:
Received SNMP response with error code
  error status: noSuchName
  index 1 (OID:
SNMPv1_Session (remote host: "" [].161)
                  community: "radius_public"
                 request ID: -515873683
                PDU bufsize: 8000 bytes
                    timeout: 2s
                    retries: 5
                    backoff: 1)
 at /usr/sbin/checkrad line 227.
checkrad: No SNMP answer from cisco.
checkrad:  not found!

No I am getting accounting information in /var/log/freeradius/radacct/..... but I guess that doesn’t mean checkrad is working properly.


Paul Reilly
Network Manager
Technology Department
East Penn School District

-----Original Message-----
From: Freeradius-Users [ at] On Behalf Of Alan DeKok
Sent: Friday, February 20, 2015 12:55 PM
To: FreeRadius users mailing list
Subject: Re: FreeRadius LDAP Simultaneous-Use more than 1

On Feb 20, 2015, at 10:21 AM, Reilly, Paul <preilly at> wrote:
> So after some configuration I was to make Freeradius work with MS AD using groups to modify vlan-id and everything seemed to be working great.  I tested Simultaneous-Use with the following configuration and it was working but when I switch it to  ":= 2" it fails to stop users after the second login.

  It should work, unless….

> I can see the user logins using radwho but it only ever shows 1 login.

  That explains why.

>  Do I have to use Mysql to use Simultaneous-Use if the value is greater than 1?


  It might help in this case, because the SQL schema is a bit more flexible than radutmp.

  Ensure that the accounting packets have UNIQUE identifiers for each user.

  And… run in debugging mode to see what’s going on.  Really.  I can’t recommend that enough.

  Alan DeKok.

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