L2TPv3

L2TPv3 – Intro

Table of content

Intro
Configurable components of L2TPv3 are :

xconnect
Pseudowire-class

encapsulation
ip local interface interface
protocol {l2tpv3|none} [l2tp-class-name]
sequencing {transmit | receive both}
ip dfbit set
ip pmtu
ip tos
ip ttl value
ip protocol {l2tp|uti} -

l2tp-class

cookie size [4|8] [size]
timeout setup
authentication
hostname
password
hidden
hello

Intro Top
You can configure L2TPv3 in 3 Modes.
Manual Mode
Manual Mode with Keep Alive
Dynamic Mode
Manual Mode is where you manually specify the [...]

L2TPv3

L2TPv3 can be configured on either a physical port or on a subinterface.  The first is known as Port tunneling and the second as vlan tunneling.
I have set up the topology below.

To configure port tunneling from R1 fast ethernet 1/1 to R3 fast ethernet 1/1 use the following configuration.
R1
pseudowire-class ZARAR
encapsulation l2tpv3
ip local interface Loopback0
interface FastEthernet1/1
xconnect [...]