UPDATED: 22/05/2024

I'm using Linux PPPoE for my internet connection, along with a Cisco VA887 router, in modem mode.

Here's the configuration for my specific ISP, but there's no reason why this shouldn't work with typical UK ISP's

This configuration should reside in /etc/ppp/peers/YOUR_ISP_NAME

NOTE: If using ipv6 remove the 'noipv6' option and...

Add the following for ipv6:

ipcp-accept-local
ipv6cp-use-ipaddr
ipv6cp-use-persistent

As far as I know, all UK ISPs use CHAP for authentication, but if yours differs you may need to remove one of the no-ms** or eap/pap options to enable an alternate authentication mechanism.

# Linux ppp configuration

# IP and Routing Configuration
noipdefault
ipcp-accept-local
defaultroute
replacedefaultroute

# Security and Authentication
hide-password
refuse-mschap
refuse-mschap-v2
refuse-eap
refuse-pap
noipv6
noauth

# User Credentials
user 'your username'
password 'your password'

# PPPoE Plugin and Network Interface
plugin rp-pppoe.so enp3s0

# MTU and MRU Settings
mru 1500
mtu 1500

# Connection Persistence and Failure Handling
persist
holdoff 10
maxfail 0

# DNS and Kernel Tuning
usepeerdns
ktune

# Compression and Protocol Control
default-asyncmap
nopcomp

On Debian, configure /etc/network/interfaces like this:

#
# ************************ PPPoE *****************************
#
auto INTERFACE_NAME
        iface INTERFACE_NAME inet manual
        mtu 1508
#
auto unchained-isp
        iface YOUR_PROVIDER_FILENAME inet ppp
        pre-up /sbin/ifconfig INTERFACE_NAME up
        provider YOUR_PROVIDER_FILENAME

Tags: Networking , Linux

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