Carrier Routing System 4-Slot Line Card Chassis; Downgrading The Next Legacy Node - Cisco CRS-1 - Carrier Routing System Router Migration Manual

Chapter 2 Downgrading Your Cisco CRS-3 Carrier Routing System Router Back to a Cisco CRS-1 Carrier Routing
System Router
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Downgrading the Next Legacy Node

Now that plane 0 has been successfully downgraded, we should go back the repeat it for the next plane.
Follow steps 3.1.4 Administratively Disable the Fabric Plane. to 3.1.11 Verify Fabric Link Connectivity
for the next plane, until all 8 planes in the system are downgraded to CRS-1.
We should be doing this only one fabric node at a time, and move to the next node only when the previous
Note
node has successfully been downgraded and verified.
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
This section contains the following procedures:
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OL-13669-03
Downgrading your Cisco CRS-3 Carrier Routing System 4-Slot Line Card Chassis Back to a Cisco CRS-1 Carrier
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Verifying the Fabric Plane Status, page 2-42
Administratively Disabling the Fabric Plane, page 2-43
Power Disable the Fabric Card, page 2-44
Swap the Cisco CRS-3 Fabric with the Newly Installed Cisco CRS-1 Fabric, page 2-44
Power-up the Newly Installed Cisco CRS-1 Fabric Card, page 2-57
Booting Up the Newly Downgraded Cisco CRS-1 Fabric, page 2-57
Cisco CRS-1 Carrier Routing System to Cisco CRS-3 Carrier Routing System Migration Guide
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Routing System 4-Slot Line Card Chassis
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