Configuring Itd; Chapter - Cisco Nexus 9000 Series Configuration Manual

Configuring ITD

This chapter describes how to configure the Intelligent Traffic Director (ITD) on the Cisco NX-OS device.
•
•
•
•
•
•
•
•
•
About ITD
Intelligent Traffic Director (ITD) is an intelligent, hardware-based, multi-terabit solution that allows you to
build a scalable architecture for Layer 3 and Layer 4 traffic distribution, load balancing, and redirection.
Benefits of ITD:
• Multi-terabit solution at line rate
• Transparency to end device and stateless protocol benefits
• Reduced complexities and architecture scaling for alternative features like Web Cache Communication
• Simplified provisioning and ease of deployment
• Legacy service appliances can co-exist with new ones
• Removes the requirement for an expensive external load balancer
• No certification, integration, or qualification needed between the devices and the Cisco NX-OS switch
• Order of magnitude OPEX savings : reduction in configuration, and ease of deployment
• CAPEX savings : No service module or external L3/L4 load-balancer needed. Every Nexus port can be
ITD features:
About ITD, on page 3
Licensing Requirements for ITD, on page 12
Guidelines and Limitations for ITD, on page 13
ITD Support Summary, on page 14
Default Settings for ITD, on page 15
Configuring ITD, on page 16
Verifying the ITD Configuration, on page 25
Configuration Examples for ITD, on page 28
Related Documents, on page 65
Protocol (WCCP) and policy-based routing
used as load-balancer
Cisco Nexus 9000 Series NX-OS Intelligent Traffic Director Configuration Guide, Release 9.x
2
C H A P T E R
3