Specifications

A-8
Cisco BPX 8600 Series Installation and Configuration
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001
Appendix A Upgrade Information
Feature Mismatching
Multiple VSI Partitions
Support for up to two partitions requires BPX switch software 9.2.3 and Firmware Ez. 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 to 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 will be 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.
Functional Description of Feature Mismatch Checking
The following sections describe some of the behavior related to feature mismatching in this release.
Card Insertion/Mismatch Checking
The BXM and UXM card insertion/mismatch checking verifies that the inserted card supports all
features currently available to the user. For Feature Mismatching, this verification is performed:
• When a single card is inserted, if the physical card does not support the specific feature, and the
feature has been enabled, the card will mismatch.
• When a single card is inserted, if the feature is not enabled, and the physical card supports the new
feature, the logical card database should be updated to reflect this feature.
Table A-4 Mismatch Conditions if Number of Channels Changes
Configurations Mismatch
Replacing the current active card with a card with more channels: card will not
mismatch, although the additional channels are NOT available to the user.
No
Replacing the current active card with a card with fewer channels: the inserted
card will mismatch.
Yes
Active or standby Y-cable configuration with both the primary and secondary
card supporting the same number of channels as defined in the logical database:
no mismatch.
No
Active Y-cable configuration with the Secondary Card supporting fewer
channels than defined in the logical card (primary card) database: the secondary
card will mismatch.
Secondarycard
mismatch
Active Y-cable configuration with the primary card supporting less channels
than the logical card database: the primary card will mismatch.
Primary card
mismatch
Active Y-cable configuration with the primary or secondary cards (or both)
supporting more channels then the logical card DB: neither card will mismatch
although the additional channels are NOT available to the user.
No mismatch
Standby Y-cable configuration with the primary or secondary cards supporting
different number of channels: card will mismatch.
Mismatch