Here is a more details list of aaa for my Cisco 7204 configuration: aaa new-model aaa authentication login default local aaa authentication login console enable aaa authentication login telnet line aaa authentication login localauth local aaa authentication ppp default group radius local aaa authorization network default group radius local aaa accounting delay-start aaa accounting nested aaa accounting exec default start-stop group radius aaa accounting network default start-stop group radius
! vpdn enable vpdn aaa override-server 172.17.17.17 ! vpdn-group 1 accept-dialin protocol l2tp virtual-template 1 terminate-from hostname aaaabbbr.ca.AADS local name abc123456789cha lcp renegotiation always l2tp tunnel password 7 xxxxxxxxxxxxxxxx ! radius-server host 172.17.17.17 auth-port 1645 acct-port 1646 ! interface Virtual-Template1 mtu 1492 ip address 192.168.172.1 255.255.255.128 peer default ip address pool DSLCustomer ppp authentication chap callin ! ip local pool DSLCustomer 192.168.172.51 192.168.172.125 ---- Original message ---- >Date: Mon, 02 Oct 2006 09:18:59 +1000 >From: James Wakefield <[EMAIL PROTECTED]> >Subject: Re: only work with 5 users or clients >To: [EMAIL PROTECTED], FreeRadius users mailing list <[email protected]> > >Tom Miller wrote: >> I have a 7204 (12.0(22)S1) terminating DSL L2TP VPDN and >> freeradius ( 1.0.4) >> >> I am having problem when number of users (clients) >> increase from 6 and up. >> >> It worked fine when I have only 5 users (clients) using >> the system. >> >> >> I found the max_requests was set at 1024 in radiusd.conf and >> have inscrease the number up to 50 clients (50x256=12800) >> >> max_requests = 12800 >> >> >> >> However, It doesn't seem to have any effect. What am I doing >> wrong. >> >> >> One things I noticed. The two users that can not connect >> will sent incomplete information >> to the radius server from NAS (7204) such as: >> >> >> Waking up in 6 seconds... >> rad_recv: Access-Request packet from host 192.168.17.1:1645, >> id=200, length=95 >> NAS-IP-Address = 192.168.17.1 >> NAS-Port = 3 >> NAS-Port-Type = ISDN >> User-Name = "[EMAIL PROTECTED]" >> CHAP-Password = 7482c25ab08ffsddfddc0625fcb4007e >> Service-Type = Framed-User >> Framed-Protocol = PPP >> >> auth: user supplied CHAP-Password matches local User- Password >> Sending Access-Accept of id 200 to 192.168.17.1:1645 >> Service-Type = Framed-User >> Framed-Protocol = PPP >> Framed-IP-Address = 209.101.222.12 >> Framed-IP-Netmask = 255.255.255.128 >> Framed-MTU = 1492 >> Finished request 16 >> Going to the next request >> >> >> >> >> *********** This is a log when it connected. It included >> the Tunnel server and client end point ********* >> >> >> >> rad_recv: Accounting-Request packet from host >> 192.168.17.1:1646, id=199, length=232 >> NAS-IP-Address = 192.168.17.1 >> NAS-Port = 6 >> NAS-Port-Type = ISDN >> User-Name = "[EMAIL PROTECTED]" >> Acct-Status-Type = Stop >> Acct-Authentic = RADIUS >> Service-Type = Framed-User >> Acct-Session-Id = "00000CD8" >> Framed-Protocol = PPP >> Tunnel-Server-Endpoint:0 = "10.10.6.5" >> Tunnel-Client-Endpoint:0 = "10.10.6.6" >> Tunnel-Type:0 = L2TP >> Tunnel-Client-Auth-Id:0 = "12345678" >> Tunnel-Server-Auth-Id:0 = "sfldse26rr.wi.AADS" >> Acct-Tunnel-Connection = "13441125" >> Framed-IP-Address = 209.101.222.12 >> Acct-Terminate-Cause = Admin-Reset >> Acct-Input-Octets = 281672 >> Acct-Output-Octets = 266074 >> Acct-Input-Packets = 4390 >> Acct-Output-Packets = 4154 >> Acct-Session-Time = 1967 >> Acct-Delay-Time = 0 >> Processing the preacct section of radiusd.conf >> > >This is an accounting stop record, as opposed to the access accept >record you display above and below. It isn't necessarily indicative of >what freeradius sent to the NAS, or anything else that happened when the >client connected. > >> --- Walking the entire request list --- >> Waking up in 6 seconds... >> rad_recv: Access-Request packet from host 172.17.17.1:1645, >> id=200, length=95 >> NAS-IP-Address = 172.17.17.1 >> NAS-Port = 3 >> NAS-Port-Type = ISDN >> User-Name = "[EMAIL PROTECTED]" >> CHAP-Password = 0xcc3aeb78c7482c25ab08dc0625fcb4007e >> Service-Type = Framed-User >> Framed-Protocol = PPP >> >> auth: user supplied CHAP-Password matches local User- Password >> Sending Access-Accept of id 200 to 172.17.17.1:1645 >> Service-Type = Framed-User >> Framed-Protocol = PPP >> Framed-IP-Address = 38.101.172.12 >> Framed-IP-Netmask = 255.255.255.128 >> Framed-MTU = 1492 >> Finished request 16 >> Going to the next request >> >> >> What am I missing here? > >How are you authenticating and authorizing your users? users file, some >sort of database or directory? Could you send some relevant excerpts >from those sources, eg: some users file stanzas if you're using the >users file, objects from your LDAP directory in LDIF if you're using LDAP? > >My hunch is that freeradius isn't configured to send the necessary >attributes and your NAS is defaulting those attributes, but can't do >that for more than 5 concurrent users. Unless you're observing >considerable delay between the receipt of access-request and the sending >of access-accept (ie: more than a couple of seconds), or freeradius is >sending different attributes with the access-accept for the same user >when things seem to be going wrong to when they're going right, I think >you're missing some attributes or your NAS is misconfigured or both. > > >Cheers, >-- >James Wakefield, >Unix Administrator, Information Technology Services Division >Deakin University, Geelong, Victoria 3217 Australia. > >Phone: 03 5227 8690 International: +61 3 5227 8690 >Fax: 03 5227 8866 International: +61 3 5227 8866 >E-mail: [EMAIL PROTECTED] >Website: http://www.deakin.edu.au - List info/subscribe/unsubscribe? See http://www.freeradius.org/list/users.html

