Compatibility; Multiple Partition Example; Figure 23-6 Virtual Switches - Cisco BPX-BXM-155-8DX Installation And Configuration Manual

Overview: How VSI Works

Compatibility

The card uses a flag in the capability message to report multiple partition capability. Firmware releases
that do not support multiple partitions set this flag off. The multiple partitions capability is treated as a
card attribute and added to the attribute list.
Use of a partition with ID higher than 1 requires support for multiple VSI partitions in both switch
software and BXM firmware, even if this is the only partition active on a the card. In a y-red pair
configuration, the multiple partition capability is determined by the minimum of the two cards.
A card with no multiple partition capabilities will mismatch if any of the interfaces has an active
partition with ID higher than 1. Attempts to enable a partition with ID higher than 1 in a logical card
that does not support multiple partitions will be blocked.

Multiple Partition Example

Each logical switch can be seen as a collection of interfaces each with an associated set of resources.
Consider a BPX switch with 4 interfaces:
•
•
•
•
Also assume the resource partitioning in Table 23-4.

Figure 23-6 Virtual Switches

P2
P1
AR
AR
Cisco BPX 8600 Series Installation and Configuration
23-16
10.1
10.2.1
11.1
11.7.1
ifc 10.1
BXM
ifc 10.2.1
Chapter 23
IGX
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001
Configuring BXM Virtual Switch Interfaces
P2
ifc 11.1 P1
AR
BXM
ifc 11.7.1 P1