Monday, February 24, 2014

connect pppoe over vlan -- linux

I- when connect pppoe using vlan it does not work -

- error message
Feb 24 10:12:30 sB pppd[6072]: Plugin rp-pppoe.so loaded.
Feb 24 10:12:30 sB pppd[6074]: pppd 2.4.5 started by root, uid 0
Feb 24 10:12:30 sB pppd[6074]: PPP session is 6996
Feb 24 10:12:30 sB pppd[6074]: Connected to d4:ca:6d:8e:d4:29 via interface eth0.25
Feb 24 10:12:30 sB pppd[6074]: Using interface ppp0
Feb 24 10:12:30 sB pppd[6074]: Connect: ppp0 <--> eth0.25
Feb 24 10:13:00 sB pppd[6074]: LCP: timeout sending Config-Requests
Feb 24 10:13:00 sB pppd[6074]: Connection terminated.
Feb 24 10:13:00 sB pppd[6074]: Modem hangup


- pppoe config
$ cat /etc/ppp/peers/pppoe1
# Configuration file for PPP, using PPP over Ethernet
# to connect to a DSL provider.
#
# See the manual page pppd(8) for information on all the options.

##
# Section 1
#
# Stuff to configure...

# MUST CHANGE: Uncomment the following line, replacing the user@provider.net
# by the DSL user name given to your by your DSL provider.
# (There should be a matching entry in /etc/ppp/pap-secrets with the password.)
#user myusername@myprovider.net

# Use the pppoe program to send the ppp packets over the Ethernet link
# This line should work fine if this computer is the only one accessing
# the Internet through this DSL connection. This is the right line to use
# for most people.
#pty "/usr/sbin/pppoe -I eth0 -T 80 -m 1452"

# An even more conservative version of the previous line, if things
# don't work using -m 1452...
#pty "/usr/sbin/pppoe -I eth0 -T 80 -m 1412"

# If the computer connected to the Internet using pppoe is not being used
# by other computers as a gateway to the Internet, you can try the following
# line instead, for a small gain in speed:
#pty "/usr/sbin/pppoe -I eth0 -T 80"


# The following two options should work fine for most DSL users.

# Assumes that your IP address is allocated dynamically
# by your DSL provider...
noipdefault
# Try to get the name server addresses from the ISP.
# Use this connection as the default route.
# Comment out if you already have the correct default route installed.
defaultroute

##
# Section 2
#
# Uncomment if your DSL provider charges by minute connected
# and you want to use demand-dialing.
#
# Disconnect after 300 seconds (5 minutes) of idle time.

#demand
#idle 300

##
# Section 3
#
# You shouldn't need to change these options...

hide-password
lcp-echo-interval 20
lcp-echo-failure 3
# Override any connect script that may have been set in /etc/ppp/options.
connect /bin/true
noauth
persist
#mtu 1480
mtu 1492

# RFC 2516, paragraph 7 mandates that the following options MUST NOT be
# requested and MUST be rejected if requested by the peer:
# Address-and-Control-Field-Compression (ACFC)
noaccomp
# Asynchronous-Control-Character-Map (ACCM)
default-asyncmap

plugin rp-pppoe.so
#nic-wlan0
nic-eth0.25
user "username1"
usepeerdns





2- So we can not use vlan directly, we can add the vlan into bridge and dial pppoe over the bridge and it works.
 - create bridge and add vlan to the bridge
brctl addbr br0
brctl addif br0 eth0.25
ifconfig br0 up
- change the pppoe1 configure to "nic-br0"

- then dial again
pon pppoe1

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