Cisco CRS-1 - Carrier Routing System Router Migration Guide

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Cisco CRS-1 Carrier Routing System to Cisco CRS-3 Carrier Routing System Migration Guide
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Chapter 2 Downgrading Your Cisco CRS-3 Carrier Routing System Router Back to a Cisco CRS-1 Carrier Routing
System Router
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
| 2 | Up | Up | Up | 2 2 | |
| 3 | Up | Up | Up | 2 2 | |
| 4 | Up | Up | Up | 1 1 | |
| 5 | Up | Up | Up | 1 1 | |
| 6 | Up | Up | Up | 1 1 | |
| 7 | Up | Up | Up | 1 1 | |
| 8 | Up | Up | Up | 1 1 | |
| 9 | Up | Up | Up | 1 1 | |
| 10 | Up | Up | Up | 1 1 | |
| 11 | Up | Up | Up | 1 1 | |
| 12 | Up | Up | Up | 1 1 | |
| 13 | Up | Up | Up | 1 1 | |
| 14 | Up | Up | Up | 1 1 | |
| 15 | Up | Up | Up | 1 1 | |
| 16 | Up | Up | Up | 1 1 | |
| 17 | Up | Up | Up | 1 1 | |
| 18 | Up | Up | Up | 1 1 | |
| 19 | Up | Up | Up | 1 1 | |
| 20 | Up | Up | Up | 1 1 | |
| 21 | Up | Up | Up | 1 1 | |
| 22 | Up | Up | Up | 1 1 | |
| 23 | Up | Up | Up | 1 1 | |
| 24 | Up | Up | Up | 1 1 | |
| 25 | Up | Up | Up | 1 1 | |
| 26 | Up | Up | Up | 1 1 | |
| 27 | Up | Up | Up | 1 1 | |
| 28 | Up | Up | Up | 1 1 | |
| 29 | Up | Up | Up | 1 1 | |
| 30 | Up | Up | Up | 1 1 | |
| 31 | Up | Up | Up | 1 1 | |
+------------------------------------------------------------------------+
Downgrading the Next Legacy Node
Now that plane 0 has been successfully downgraded, we should go back the repeat it for the next plane.
Administratively Disable the Fabric Plane. to Verify Fabric Link Connectivity for the next plane, until
all 8 planes in the system are downgraded to CRS-1.
Note We should be doing this only one fabric node at a time, and move to the next node only when the previous
node has successfully been downgraded and verified.

Cisco CRS-1 - Carrier Routing System Router Specifications

General

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