PPP
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(Redirected from PPPoE Client)
Resources
PPP (Point-to-Point Protocol) is commonly used in establishing a direct connection between two networking nodes. It can provide connection authentication, transmission encryption, and compression.
Installation
USE flags for net-dialup/ppp Point-to-Point Protocol (PPP)
activefilter
|
Enables active filter support |
atm
|
Enables ATM (Asynchronous Transfer Mode) protocol support |
dhcp
|
Installs PPP DHCP client plugin for IP address allocation by a DHCP server (see http://www.netservers.co.uk/gpl/) |
eap-tls
|
Enables support for Extensible Authentication Protocol and Transport Level Security (see http://www.nikhef.nl/~janjust/ppp/index.html) |
gtk
|
Installs GTK+ password prompting program that can be used by passprompt.so PPP plugin for reading the password from a X11 input terminal |
ipv6
|
Enables support for IP version 6 |
pam
|
Enables PAM (Pluggable Authentication Modules) support |
radius
|
Enables RADIUS support |
Portage has a USE flag ppp
for enabling support for PPP for other packages.
FILE
/etc/portage/make.conf
USE="... ppp ..."
After setting global USE flags update your system to the changes take effect:
root #
emerge --ask --changed-use --deep @world
Or emerge net-dialup/ppp package manually:
root #
emerge --ask net-dialup/ppp
Kernel
Following kernel options need to be enabled, to support PPPoE, which is used in most cases.
Note
Using PPP compression is not suggested.
Using PPP compression is not suggested.
KERNEL
Device Drivers ---> [*] Network device support ---> <*> PPP (point-to-point protocol) support < > PPP BSD-Compress compression (NEW) < > PPP Deflate compression (NEW) [ ] PPP filtering (NEW) < > PPP MPPE compression (encryption) (EXPERIMENTAL) (NEW) [ ] PPP multilink support (EXPERIMENTAL) (NEW) <*> PPP over Ethernet (EXPERIMENTAL) < > PPP support for async serial ports (NEW) < > PPP support for sync tty ports (NEW)
Option | Driver | Description |
---|---|---|
PPP BSD-Compress compression | ppp_bsdcomp | (Not recommended) Support for data compression. "PPP Deflate compression" is preferable. |
PPP filtering | - | Support for packet filtering. |
PPP MPPE compression (encryption) | ppp_mppe | Driver for Microsoft Point-to-Point Encryption. |
PPP multilink support | - | Support for PPP multilink to combine serveral lines. |
PPP over Ethernet | pppoe | Driver for PPPoE. |
PPP support for sync tty ports | ppp_sync_tty | Support for synchronous devices. |
Finally you need to rebuild linux, install and boot new kernel with PPP support.
Configuration
Provided eth0 following lines should be added for PPPoE connection:
FILE
/etc/conf.d/net
Add:... config_ppp0="ppp" link_ppp0="eth0" (Specify your ethernet interface) plugins_ppp0="pppoe" username_ppp0='user' password_ppp0='password' pppd_ppp0=" noauth defaultroute usepeerdns mtu 9120 (Get the correct MTU (Jumbo frame) value from your eth0 Gigabit Ethernet card interface) holdoff 3 child-timeout 60 lcp-echo-interval 15 lcp-echo-failure 3 noaccomp noccp nobsdcomp nodeflate nopcomp novj novjccomp" ... rc_net_ppp0_need="net.eth0"
Create an init script for the PPP device by symlinking to net.lo:
root #
ln -s /etc/init.d/net.lo /etc/init.d/net.ppp0
root #
/etc/init.d/net.ppp0 start