Configure L2TP server on Linux (Support mppc/MPPE)

Author: kendiv
Date: 2006.12.16

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I. Software and environment configuration used
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1. l2tpd-0.69.tar.gz

Kernel: linux-2.6.12.6 + MPPE/mppc path (1.3)
PPP: ppp-2.4.3 + MPPE/mppc path (1.1)

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2. Install RP-L2TP
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# Cp l2tpd-0.69.tar.gz/usr/src/VPN/
# Cd/usr/src/VPN/
# Tar zxvf l2tpd-0.69.tar.gz
# Cd l2tpd-0.69
# Make

After compilation is successful, l2tpd will be generated in the current directory

# Cp l2tpd/usr/local/sbin/

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3. Copy the configuration file
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# Mkdir/etc/L2TP/
# Cd/usr/src/VPN/l2tpd-0.69/doc
# Cp l2tpd. conf. Sample/etc/L2TP/
# Cp l2tp-secrets.sample/etc/L2TP/
# Touch/etc/PPP/options. L2TP

# Cp l2tpd. 8/usr/local/man/man8/

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4. Modify the PPP configuration file (/etc/PPP/options. L2TP)
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Name Mimi. VPN # L2TP server name
Lock
MTU 1450
MRU 1450
Auth

# Handshake auth Method
+ Chap
+ Mschap-v2

# Debug
# Dump

Logfile/var/log/l2tpd. Log

Passive
Nodetach
Noccp
Novj
Novjccomp
Nopcomp
Noaccomp

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5. Start l2tpd
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# The l2tpd-D/* parameter D indicates that the l2tpd is run on the foreground, and the running information of the entire l2tpd is displayed. If no D is added, the l2tpd is run on the background;

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Vi. Windows client Configuration
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Under "HKEY_LOCAL_MACHINE/system/CurrentControlSet/services/RASMAN/parameters", add

Set prohibitipsec type to DWORD to 1

++
After Windows XP is configured, it must be restarted to take effect.