CCNP and CCIE Enterprise Core & CCNP Enterprise Advanced Routing Portable Command Guide: All ENCOR (350-401) and ENARSI (300-410) Commands in One Compact, Portable Resource

Chapter 13

Overlay Tunnels and VRF

This chapter provides information about the following topics:

• Generic Routing Encapsulation (GRE)

  • Configuring an IPv4 GRE tunnel

  • Configuring an IPv6 GRE tunnel

  • Verifying IPv4 and IPv6 GRE tunnels

  • Configuration example: IPv4 and IPv6 GRE tunnels with OSPFv3

• Site-to-site GRE over IPsec

  • GRE/IPsec using crypto maps

  • GRE/IPsec using tunnel IPsec profiles

  • Verifying GRE/IPsec

• Site-to-site virtual tunnel interface (VTI) over IPsec

• Cisco Dynamic Multipoint VPN (DMVPN)

  • Configuration example: Cisco DMVPN for IPv4

  • Verifying Cisco DMVPN

• VRF-Lite

  • Configuring VRF-Lite

  • Verifying VRF-Lite

Caution

Your hardware platform or software release might not support all the commands documented in this chapter. Please refer to ...