Alcatel-Lucent 7750 SR Manual page 1212

VPRN Service Configuration Commands
challenge
Syntax challenge challenge-mode
no challenge
Context config>service>vprn>l2tp>group>tunnel
Description This command configures the use of challenge-response authentication.
The no form of the command removes the parameter from the configuration and indicates that the
value on group level will be taken.
Default
no challenge
Parameters
challenge-mode — Specifies when challenge-response is to be used for the authentication of the
hello-interval
Syntax hello-interval hello-interval
hello-interval infinite
no hello-interval
Context config>service>vprn>l2tp>group>tunnel
Description
This command configures the number of seconds between sending Hellos for a L2TP tunnel. The no
form removes the parameter from the configuration and indicates that the value on group level will be
taken.
Parameters
hello-interval — Specifies the time interval, in seconds, between two consecutive tunnel Hello
infinite — Specifies that no hello messages are sent.
idle-timeout
Syntax idle-timeout idle-timeout
idle-timeout infinite
no idle-timeout
Context config>service>vprn>l2tp>group>tunnel
Description This command configures the idle timeout to wait before being disconnect. The no form indicates that
the parameter will be removed from the configuration and that the value specified on group level will
be taken.
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tunnel.
Values
always — Always allows the use of challenge-response authentication.
never — Never allows the use of challenge-response authentication.
messages.
Values
60 — 3600
7750 SR OS Services Guide