Information About Ip Tunnels; Ip Tunnel Overview - Cisco 7604-RSP720C-R Configuration Manual

S e n d d o c u m e n t c o m m e n t s t o n e x u s 7 k - d o c f e e d b a c k @ c i s c o . c o m
Configuring IP Tunnels
This chapter describes how to configure IP tunnels using Generic Route Encapsulation (GRE) on Cisco
NX-OS devices.
This chapter includes the following sections:
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Information About IP Tunnels

IP tunnels can encapsulate a same-layer or higher layer protocol and transport the result over IP through
a tunnel created between two devices.
This section includes the following topics:
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IP Tunnel Overview

IP tunnels consists of the following three main components:
OL-23435-03
Information About IP Tunnels, page 8-1
Licensing Requirements for IP Tunnels, page 8-3
Prerequisites for IP Tunnels, page 8-4
Guidelines and Limitations, page 8-4
Default Settings, page 8-4
Configuring IP Tunnels, page 8-4
Verifying the IP Tunnel Configuration, page 8-10
Configuration Examples for IP Tunneling, page 8-10
Additional References, page 8-11
Feature History for Configuring IP Tunnels, page 8-11
IP Tunnel Overview, page 8-1
GRE Tunnels, page 8-2
Path MTU Discovery, page 8-3
Virtualization Support, page 8-3
High Availability, page 8-3
C H A P T E R
Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x
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