Difference between revisions of "Manual:Simple TE"

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Revision as of 09:30, 30 September 2011

Summary

This article shows how to simply create traffic engineering tunnels using both dynamic and static tunnel paths.It also shows how to steer traffic over the tunnel.


Network Layout

We will create a network consisting of four routers connected in diamond shape as illustrated in diagram below.

Simple-te.png

Each router is connected to neighboring router using /30 network and each of them have unique loopback address form 10.255.0.x network. Loopback addresses will be used as tunnel source and destination.

The goal is to interconnect two LAN segments (Lan1, Lan2) using TE tunnels in the way that:

  • traffic in direction from LAN1 to LAN2 goes over path through R2
  • traffic in direction from LAN2 to LAN1 goes over path through R4

Router Configurations

Connectivity between routers and Loopback addresses

R1

/system identity set name=R1

/interface bridge add name=Loopback

/ip address
add address=192.168.33.1/30 interface=ether1
add address=192.168.33.14/30 interface=ether2
add address=192.168.10.1/24 interface=ether3
add address=10.255.0.1/32 interface=Loopback

R2

/system identity set name=R2

/interface bridge add name=Loopback

/ip address
add address=192.168.33.2/30 interface=ether1
add address=192.168.33.5/30 interface=ether2
add address=10.255.0.2/32 interface=Loopback


R3

/system identity set name=R3

/interface bridge add name=Loopback

/ip address
add address=192.168.33.6/30 interface=ether1
add address=192.168.33.9/30 interface=ether2
add address=192.168.20.1/24 interface=ether3
add address=10.255.0.3/32 interface=Loopback

R4

/system identity set name=R4

/interface bridge add name=Loopback

/ip address
add address=192.168.33.10/30 interface=ether1
add address=192.168.33.13/30 interface=ether2
add address=10.255.0.4/32 interface=Loopback