Debugging L2Tp - 3Com 3C13618 Command Reference Manual

router is NONE. A default L2TP group can be configured in order to receive a tunnel
connecting request originated by an unknown peer-end, or just for test purpose.
If the name of remote tunnel is configured, make sure that the name of remote tunnel
is in accordance with the name of the local end configured on LAC.
For related commands, see l2tp-group.
Example
# Accept a L2TP tunnel connecting request from the peer-end (LAC) named AS8010
on L2TP group 2, and creates a virtual-access interface on virtual-template 1.
[3Com-l2tp2] allow l2tp virtual-template 1 remote AS8010
# Take L2TP group 1 as the default L2TP group to accept the L2TP tunnel connecting
requests from any peer-end, and creates a virtual-access interface according to
virtual-template 1.
[3Com] l2tp-group 1
[3Com-l2tp1] allow l2tp virtual-template 1

1.1.2 debugging l2tp

Syntax
debugging l2tp { all | control | error | event | hidden | payload | time-stamp }
undo debugging l2tp { all | control | error | event | hidden | payload |
time-stamp }
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Parameter
all: Enable all the L2TP information debugging.
control: Enable the control packet debugging.
error: Enable the error information debugging.
event: Enable the event debugging.
hidden: Hide start information debugging of AVP.
payload: Enable the L2TP datagram debugging.
time-stamp: Enable the debugging for displaying time stamps.
VPN
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