[c-nsp] Cisco 7206 - L2TP Tunnel Problem after tunnel clear /lotsof wt-con

[Mike]

show vpdn tunnel all says:

Tunnel id 20421 is up, remote id is 28017, 100 active sessions
  Tunnel state is established, time since change 2w6d
  Remote tunnel name is .....
    Internet Address x.x.x.x, port 1701
  Local tunnel name is ...
    Internet Address x.x.x.x, port 1701
  Tunnel domain unknown
  VPDN group for tunnel is group134
  536671359 packets sent, 484483324 received
  2610425873 bytes sent, 947642311 received
  Last clearing of "show vpdn" counters never
  Control Ns 8722, Nr 20394
  Local RWS 20050 (default), Remote RWS 8
  Tunnel PMTU checking disabled
  Retransmission time 1, max 1 seconds
  Unsent queuesize 0, max 0
  Resend queuesize 0, max 5
  Total resends 5, ZLB ACKs sent 14249
  Current nosession queue check 0 of 5
  Retransmit time distribution: 0 0 1 0 0 0 0 0 0


> What's your current receive window size (RWS shown in "show vpdn tunnel
> all")? You could try reducing this to a very low value (10, or even
> lower) using "l2tp flow-control receive-window" within the vpdn-group..

> oli