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Step Description Command Keys
8 Specify a shared secret authentication
key that should be the same for both
parties of the tunnel.
esr(config-l2tp)# ipsec
authentication pre-shared-key
{ ascii-text { <TEXT> | encrypted
<ENCRYPTED-TEXT> } |
hexadecimal {<HEX> | encrypted
<ENCRYPTED-HEX> } }
<TEXT> – string [1..64] ASCII
characters;
<HEX> – number, [1..32] bytes
size, set by the string of [2..128]
characters in hexadecimal
format (0xYYYY ...) or
(YYYY ...);
<ENCRYPTED-TEXT> –
encrypted password, [1..32]
bytes size, set by the string of
[2..128] characters.
<ENCRYPTED-TEXT> –
encrypted number, [2..64] bytes
size, set by the string of [2..256]
characters.
9 Enable the tunnel esr(config-l2tp)# enable
10 Specify MTU size
(MaximumTransmissionUnit) for the
tunnel (optional).
esr(config-l2tp)# mtu <MTU> <MTU> – MTU value, takes
values in the range of:
for ESR-10/12V(F)/14VF
– [552..9600];
for ESR-20/21 –
[552..9500];
for
ESR-100/200/1000/1200
/1500/1511/1700 –
[552..10000]
for ESR-3100–
[552..9190].
Default value: 1500.
11 Ignore the default route via the given
L2TP tunnel (optionally)
esr(config-l2tp)# ignore-default-
route
12 Specify authentication method
(optionally).
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 (optionally).
esr(config-l2tp)# load-average
<TIME>
<TIME> – interval in seconds,
takes values of [5..150].
Default value: 5