[cisco-bba] max sessions problem?

David Suarez - KNET david at knet.es
Tue May 12 05:26:11 EDT 2009

Hi all,

I have a successfull L2TP tunel with 5 five users working without problems, my headache start when sixth session try to establish a connection. I don't know why but the sixth authenticate with my RADIUS but router don't give an IP address.

vpdn enable
vpdn ip udp ignore checksum
vpdn-group l2tp_lmds
  protocol l2tp
  virtual-template 19
 session-limit 32767
 terminate-from hostname remote
 l2tp tunnel password xxxxx
interface Virtual-Template19
 description L2TP tunnel para LMDS
 bandwidth 4000
 ip address
 no ip redirects
 no ip unreachables
 ip accounting access-violations
 ip mtu 1492
 ip tcp adjust-mss 1440
 delay 16777215
 peer default ip address pool pool_local
 ppp mtu adaptive
 ppp authentication chap ms-chap-v2 ms-chap pap

myrouter#sh vpdn tunnel

L2TP Tunnel Information Total tunnels 2 sessions 6

LocID RemID Remote Name   State  Remote Address  Port  Sessions VPDN Group
36069 20047 remote               est  1701  2        l2tp_lmds
33460 33365 remote               est   1701  4        l2tp_lmds

Myrouter#sh users | i VPDN
  Vi3.1        bfauslg at realm  PPPoVPDN     00:00:09
  Vi3.2        senior at realm   PPPoVPDN     00:00:04
  Vi3.3        bmurrieta at realm PPPoVPDN     00:00:04
  Vi3.4        mquellg at realm   PPPoVPDN     00:00:00
  Vi3.5        asajanj at realm  PPPoVPDN     00:00:03
  Vi3.6        ananda at realm   PPPoVPDN     00:25:40

If  I shutdown, for example, bmurrieta session, then ananda session (after a clear) take the IP (IP address is assigned by RADIUS).

Someboy knows what is my problem?

Thanks in advance.

David Su?rez Rubio

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