Administratively Disabling The Fabric Plane - Cisco CRS-1 - Carrier Routing System Router Migration Manual
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Also See for CRS-1 - Carrier Routing System Router:
- Administration manual (436 pages) ,
- Getting started manual (289 pages) ,
- Troubleshooting manual (264 pages)
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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
Total received multicast data cells: 2576
Total received low priority multicast data cells: 2050
Total received high priority multicast data cells: 526
Total transmitted data cells: 21094
Total transmitted unicast data cells: 4487
Total transmitted low priority unicast data cells: 4487
Total transmitted high priority unicast data cells: 0
Total transmitted multicast data cells: 16607
Total transmitted low priority multicast data cells: 13977
Total transmitted high priority multicast data cells: 2630
Total received correctable errored cells: 0
Total received uncorrectable errored cells: 0
Total received parity error cells: 0
Total received stomp cells: 0
Total received kill cells: 0
Total received unknown cells: 0
Total transmitted bogus cells: 4
Total transmitted statically routed control cells: 0
Total transmitted stomp cells: 0
Total transmitted kill cells: 0
Total transmitted ECI cells: 0
Total transmitted LCE cells: 0
Total unicast lost cells: 0
Total multicast lost cells: 0
Total ctb enqueue to off queue
Total non-ctb enqueue to off queue
Total incoming header error cells: 0
Total incoming data error cells: 0
Total outgoing header error cells: 0
Total outgoing data error cells: 0
Total scs ce error cells: 0
Total scs uce error cells: 0
Last clearing of "show controller fabric plane" counters 00:06:22
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Administratively Disabling the Fabric Plane
Please note that these steps are to be performed for each Fabric Card one at a time. When one Fabric
Node has completed the downgrade process we should come back to this step for the next Fabric Node,
until all 8 Fabrics have been downgraded.
As a first step in the downgrade process, we administratively shutdown the fabric plane that is to be
downgraded. This takes the fabric out of traffic operation, the router now continues to forward traffic on
the remaining 7 planes – there should not be any traffic drop.
OL-13669-03
Downgrading your Cisco CRS-3 Carrier Routing System 4-Slot Line Card Chassis Back to a Cisco CRS-1 Carrier
To avoid traffic loss, you must downgrade the switch fabric one plane at a time. To do that, you must
replace each FC-140G/S card with an FC/S card and restore service to that fabric plane before
downgrading the next fabric plane.
You might want to perform the downgrade during a network maintenance window or when system
traffic is light.
Note
Be sure to review the downgrade procedures before deciding when to schedule the
downgrade. That way, you can familiarize yourself with the downgrade procedure and
determine if there are other issues to consider before performing the downgrade.
We recommend against moving a chassis after it is cabled. Before the fabric cables are installed, the
chassis should be fully installed with power supplies, console cables, grounded, and so forth
Cisco CRS-1 Carrier Routing System to Cisco CRS-3 Carrier Routing System Migration Guide
cells: 0
cells: 0
Routing System 4-Slot Line Card Chassis
2-43
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