Multiple Partitioning; Figure 23-5 Graphical View Of Resource Partitioning, Automatic Routing Management, And Vsi - Cisco BPX 8620 Installation And Configuration Manual

Overview: How VSI Works

Figure 23-5 Graphical View of Resource Partitioning, Automatic Routing Management, and VSI

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Multiple Partitioning

You can configure partition resources between Automatic Routing Management PVCs and three VSI
controllers (LSC or PNNI). Up to three VSI controllers in different control planes can independently
control the switch with no communication between controllers. The controllers are essentially unaware
of the existence of other control planes sharing the switch. This is possible because different control
planes used different partitions of the switch resources.
You can add one or more redundant LSC controllers to one partition, and one or more redundant PNNI
controllers to the other partition. With Release 9.2.3, six new Service Class Templates were added for
interfaces (for a total of nine) with multiple partitions controlled simultaneously by a PNNI controller
and an LSC.
The master redundancy feature allows multiple controllers to control the same partition. In a multiple
partition environment, master redundancy is independently supported on each partition.
The following limitations apply to multiple VSI partitioning:
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Cisco BPX 8600 Series Installation and Configuration
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AutoRoute lcns
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Up to three VSI partitions are supported.
Resources cannot be redistributed amongst different VSI partitions.
The resources that are allocated to a partition: LCNS, Bandwidth and VPI range.
Resources are also allocated to Automatic Routing Management. The resources allocated to
Automatic Routing Management can be freed from Automatic Routing Management and then
allocated to VSI.
No multiple partitions on Virtual Trunks. A Virtual Trunk is managed by either Automatic Routing
Management or by a single VSI partition.
Only one VSI controller can be added to a BPX interface. Other controllers must be added to
different interfaces on the switch.
Chapter 23 Configuring BXM Virtual Switch Interface
VSI lcns
VSI VPIs
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Release 9.3.30, Part Number 78-12907-01 Rev. E0, May 2005
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