Cisco CRS-1 - Carrier Routing System Router Migration Guide

CHAPTER
2-1
Cisco CRS-1 Carrier Routing System to Cisco CRS-3 Carrier Routing System Migration Guide
OL-13669-03
2
Downgrading Your Cisco CRS-3 Carrier Routing
System Router Back to a Cisco CRS-1 Carrier
Routing System Router
This chapter describes how to downgrade a single-chassis Cisco CRS-3 Carrier Routing System back to
a single-chassis Cisco
CRS-1 Carrier Routing System.
This chapter describes the following concepts:
• Downgrading your Cisco CRS-3 Carrier Routing System 16-slot line card chassis back to a Cisco
CRS-1 Carrier Routing System 16-slot line card chassis
• Downgrading your Cisco CRS-3 Carrier Routing System 8-slot line card chassis back to a Cisco
CRS-1 Carrier Routing System 8-slot line card chassis
• Downgrading your Cisco CRS-3 Carrier Routing System 4-slot line card chassis back to a Cisco
CRS-1 Carrier Routing System 4-slot line card chassis
Feature History for the Cisco CRS-3 Carrier Routing System
Contents
This chapter contains the following sections:
• Prerequisites for Downgrading your Cisco CRS-3 Carrier Routing System Router Back to a Cisco
CRS-1 Carrier Routing System Router, page 2-2
• Downgrading your Cisco CRS-3 Carrier Routing System 16-Slot Line Card Chassis Back to a Cisco
CRS-1 Carrier Routing System 16-Slot Line Card Chassis, page 2-2
• Downgrading your Cisco CRS-3 Carrier Routing System 8-Slot Line Card Chassis Back to a Cisco
CRS-1 Carrier Routing System 8-Slot Line Card Chassis, page 2-22
• Downgrading your Cisco CRS-3 Carrier Routing System 4-Slot Line Card Chassis Back to a Cisco
CRS-1 Carrier Routing System 4-Slot Line Card Chassis, page 2-41
Release Modification
Release 4.0.0.T The Cisco CRS-3 Carrier Routing System was introduced.
Release 4.0.1 The Cisco CRS-3 Carrier Routing System adds support for 100GE
interfaces.

Cisco CRS-1 - Carrier Routing System Router Specifications

General

Brand	Cisco
Model	CRS-1 - Carrier Routing System Router
Category	Network Router
Language	English