H3C Technologies H3C SecPath F1000-E - Manual (Page 50)

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response packet from the peer within a specified period of time, it retransmits the Hello packet. If it
receives no response packet from the peer after transmitting the Hello packet three times, it considers the
L2TP tunnel is down and tries to re-establish a tunnel with the peer.
Follow these steps to set the Hello interval:
To do… Use the command… Remarks
Enter system view system-view —
Enter L2TP group view l2tp-group group-number —
Set the hello interval tunnel timer hello hello-interval
Optional
60 seconds by default
Enabling Tunnel Flow Control
The L2TP tunnel flow control function controls data packet transmission by buffering and adjusting data
packets that arrive out of order.
Follow these steps to enable tunnel flow control:
To do… Use the command… Remarks
Enter system view system-view —
Enter L2TP group view l2tp-group group-number —
Enable the tunnel flow control
function
tunnel flow-control
Optional
Disabled by default
Disconnecting Tunnels by Force
Either the LAC or the LNS can initiate a tunnel disconnection request. You can also disconnect a tunnel
when no users are online or a network failure occurs. Once a tunnel is disconnected, the control
connection and all the sessions within the tunnel are removed. When a user dials in, a new tunnel is
established.
Follow these steps to disconnect tunnels by force:
To do… Use the command… Remarks
Disconnect tunnels by force
reset l2tp tunnel { id tunnel-id |
name remote-name }
Available in user view
Displaying and Maintaining L2TP
To do… Use the command… Remarks
Display information about L2TP
tunnels
display l2tp tunnel Available in any view