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Step Description Command Keys
6 Specify MTU size
(MaximumTransmissionUnit) for the
tunnel (optionally).
esr(config-pptp)# 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.
7 Specify the user and set an encrypted or
unencrypted password to authenticate
the remote party.
esr(config-pptp)# username
<NAME> password ascii-text
{ <WORD> | encrypted <HEX> }
<NAME> – user name, set by
the string of up to 31
characters.
<WORD> – unencrypted
password, set by the string of
[8..64] characters, may include
[0-9a-fA-F] characters.
<HEX> – encrypted password,
set by the string of [16..128]
characters.
8 Enable the tunnel. esr(config-pptp)# enable
9 Override the MSS (Maximum segment
size) field in incoming TCP packets
(optional).
esr(config-pptp)# ip tcp adjust-
mss <MSS>
<MSS> – MSS value, takes
values in the range of
[500..1460].
Default value: 1460
10 Ignore the default route via the given
PPTP tunnel (optionally)
esr(config-pptp)# ignore-default-
route
11 Specify the time interval during which
the statistics on the tunnel load is
averaged (optionally).
esr(config-pptp)# load-average
<TIME>
<TIME> – interval in seconds,
takes values of [5..150].
Default value: 5
12 Specify authentication method
(optionally).
esr(config-pptp)# authentication
method <METHOD>
<METHOD> – authentication
method, possible values: chap,
mschap, mschap-v2, eap, pap
Default value: chap