Virtual Private Routed Network Services
7750 SR OS Services Guide Page 1211
Router L2TP Tunnel Commands
tunnel
Syntax tunnel tunnel-name [create]
no tunnel tunnel-name
Context config>service>vprn>l2tp>group
Description This command configures an L2TP tunnel. A tunnel exists between a LAC-LNS pair and consists of a
Control Connection and zero or more L2TP sessions. The tunnel carries encapsulated PPP datagrams
and control messages between the LAC and the L2TP Network Server (LNS).
Parameters tunnel-name — Specifies a valid string to identify a L2TP up to 32 characters in length.
create — mandatory while creating a new tunnel
auto-establish
Syntax [no] auto-establish
Context config>service>vprn>l2tp>group>tunnel
Description This command specifies if this tunnel is to be automatically set up by the system.
Default no auto-establish
avp-hiding
Syntax avp-hiding {never | sensitive | always}
no avp-hiding
Context config>service>vprn>l2tp>group>tunnel
Description This command configures Attribute Value Pair (AVP) hiding. This capability can be used to avoid the
passing of sensitive data, such as user passwords, as cleartext in an AVP.
Note that it is recommended that sensitive information not be sent in clear text.
The no form of the command removes the parameter of the configuration and indicates that the value
on group level will be taken.
Default no avp-hiding
Parameters avp-hiding — Specifies the method to be used for the authentication of the tunnel.
Values never — AVP hiding is not used.
sensitive — AVP hiding is used only for sensitive information (such as username/
password).
always — AVP hiding is always used.
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