Table of Contents for
Packet Tracer Network Simulator

Version ebook / Retour

Cover image for bash Cookbook, 2nd Edition Packet Tracer Network Simulator by Jesin A Published by Packt Publishing, 2014
  1. Cover
  2. Table of Contents
  3. Packet Tracer Network Simulator
  4. Packet Tracer Network Simulator
  5. Credits
  6. About the Author
  7. About the Reviewers
  8. www.PacktPub.com
  9. Preface
  10. Who this book is for
  11. Conventions
  12. Reader feedback
  13. Customer support
  14. 1. Getting Started with Packet Tracer
  15. Installing Packet Tracer
  16. Interface overview
  17. Creating a simple topology
  18. Summary
  19. 2. Network Devices
  20. Customizing devices with modules
  21. Emulating WAN
  22. Accessing the CLI
  23. Summary
  24. 3. Generic IP End Devices
  25. Servers
  26. Other end devices
  27. Configuring end devices
  28. Summary
  29. 4. Creating a Network Topology
  30. Testing connectivity with PDUs
  31. Using the simulation mode
  32. Clustering a topology
  33. Summary
  34. 5. Navigating and Modifying the Physical Workspace
  35. Moving devices physically
  36. Managing cables and distances
  37. Customizing icons and backgrounds
  38. Summary
  39. 6. Configuring Routing with the CLI
  40. Dynamic routing protocols
  41. The Routing table
  42. Load sharing
  43. Summary
  44. 7. Border Gateway Protocol (BGP)
  45. BGP versus dynamic routing protocols
  46. Configuring BGP in Packet Tracer
  47. Summary
  48. 8. IPv6 on Packet Tracer
  49. IPv6 static and dynamic routing
  50. Using both IPv4 and IPv6
  51. Summary
  52. 9. Setting Up a Wireless Network
  53. Wireless networks and physical workspaces
  54. Summary
  55. 10. Configuring VLANs and Trunks
  56. InterVLAN routing with routers and layer 3 switches
  57. Switch-to-switch trunk links
  58. Analyzing broadcasts in the simulation mode
  59. Summary
  60. 11. Creating Packet Tracer Assessments
  61. The initial network
  62. The answer network
  63. Testing the activity
  64. Summary
  65. Index

Using both IPv4 and IPv6

In this section, we'll see how to make IPv6-only hosts communicate with other IPv6-only hosts through IPv4-only devices. There are several methods for doing this; we'll discuss IPV6 over IPv4 tunneling using Generic Routing Encapsulation (GRE).

The GRE method encapsulates IPv6 packets within IPv4 packets and transports them over the IPv4 network. The receiving device decapsulates the packet and sends only the IPv6 information to the host. For this exercise, we'll use the following topology:

Using both IPv4 and IPv6

For routing, we will configure EIGRP on IPv4 interfaces for the three routers and static routing on R2 and R3. We will begin by configuring R1, which is the IPv4-only router.

R1(config)#int fa0/0
R1(config-if)#no shutdown
R1(config-if)#ip add 10.0.0.1 255.255.255.0
R1(config)#int fa0/1
R1(config-if)#no shutdown
R1(config-if)#ip add 10.2.0.1 255.255.255.0
R1(config-)#router eigrp 1
R1(config-router)#network 10.0.0.0

Now on the router R2, we will configure IPv4 and IPv6 addresses and routing, respectively.

R2(config)#ipv6 unicast-routing
R2(config)#int fa0/1
R2(config-if)#no shutdown
R2(config-if)#ipv6 add 2000:1::1/64
R2(config)#router eigrp 1
R2(config-router)#network 10.0.0.0 0.0.0.255

Do the same for router R3.

R3(config)#ipv6 unicast-routing
R3(config)#int fa0/1
R3(config-if)#no shutdown
R3(config-if)#ipv6 add 2000:2::1/64
R3(config)#int fa0/0
R3(config-if)#no shutdown
R3(config-if)#ip add 10.2.0.2 255.255.255.0

The only configuration left is the tunnel creation. For router R2, carry out the following list of commands:

R2(config)#int tunnel 0
R2(config-if)#tunnel source f0/0R2(config-if)#tunnel destination 10.2.0.2
R2(config-if)#tunnel mode ipv6ip
R2(config-if)#ipv6 address 2010::1/64

Note that the destination IP is the IPv4 address of interface f0/0 of R3. Configure the other end of the tunnel on router R3

R3(config)#int tunnel 0
R3(config-if)#tunnel source f0/0
R3(config-if)#tunnel destination 10.0.0.2
R3(config-if)#tunnel mode ipv6ip
R3(config-if)#ipv6 address 2010::2/64

The only thing left now is to configure static-IPv6 routes for the prefixes 2000:1::/64 and 2000:2::/64.

R2(config)#ipv6 route 2000:2::/64 2010::2
R3(config)#ipv6 route 2000:1::/64 2010::1

Use the simple PDU tool to check connectivity between PC0 and PC1. Use the tracert command to find the path that the ICMPv6 protocol takes.

PC>tracert 2000:2::2

Tracing route to 2000:2::2 over a maximum of 30 hops: 

  1   0 ms      0 ms      0 ms      2000:1::1
  2   0 ms      0 ms      0 ms      2010::2
  3   0 ms      0 ms      0 ms      2000:2::2

Trace complete.

This shows IPv6 packets going through the tunnel.