ESR series service routers.ESR-Series. User manual
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Step Description Command Keys
12 Specify authentication method 
(optional).
esr(config-l2tp)# authentication 
method <METHOD>
<METHOD> – authentication 
method, possible values: chap, 
mschap, mschap-v2, eap, pap
Default value: chap.
13 Specify the time interval during which 
the statistics on the tunnel load is 
averaged (optional).
esr(config-l2tp)# load-average 
<TIME>
<TIME> – interval in seconds, 
takes values of [5..150].
Default value: 5.
14 Change the time interval in seconds 
after which the router sends a 
keepalive message (optional).
esr(config-l2tp)# ppp timeout 
keepalive <TIME >
<TIME> – time in seconds, takes 
values of [1..32767].
Default value: 10.
15 Change the number of failed data-link 
tests before breaking the session 
(optional).
esr(config-l2tp)# ppp failure-
count <NUM>
<NUM> – the number of failed 
data-link tests, specified in the 
range [1..100].
Default value: 10.
It is also possible to configure QoS in basic or advanced mode for the L2TP client (see section QoS management).
15.6.2  Configuration example
Objective:
Configure PPTP tunnel on a router:
PPTP server address: 20.20.0.1;
account for connection – login: ivan, password: simplepass.
Solution:
Create L2TP tunnel:
esr(config)# tunnel l2tp 1