3com 3031 Instruccion De Instalación

When using the 

parameter to specify the tunnel names to be 

deleted, the system will delete all the tunnels with this name. When the 

 parameter is specified, only the specified tunnel will be deleted.

This configuration can enable/disable a simple flow control function on the tunnel.

These configurations are optional on LAC side.

Perform the following in the L2TP Group View.

By default, the flow control function of Tunnel is disabled.

After the above configuration, execute 

 command in all views to display 

the running of the L2TP configuration, and to verify the effect of the 
configuration. The 

 command can be used in user view.Displaying and 

debugging L2TP

L2TP call can be initialized either by a NAS (Network Access Server) or user end. 
Only a client-initialized example is provided below.

VPN users access company headquarters following the procedure below:

VPN users first connect to Internet, then originate Tunnel connection request to 
LNS. After LNS has accepted the request, a virtual Tunnel is established between 
LNS and VPN users to fulfill data transmission between the users and the company 
headquarters.

Table 971   Enabling/Disabling flow control function of the tunnel

Enable flow control function of Tunnel

Disable flow control function of Tunnel

Table 972   Displaying and debugging L2TP

Show current L2TP Tunnel information

Show current L2TP session information

Enable all L2TP information debugging

Enable control packet debugging

Enable PPP packet debugging

Enable L2TP error debugging

Enable L2TP event debugging

Enable hidden AVP debugging

Enable L2TP payload debugging

Enable L2TP time stamp debugging