Enforcing Hardware Zoning - HP A7533A - Brocade 4Gb SAN Switch Base Administrator's Manual

• Is enforced at the ASIC level. Each ASIC maintains a list of source port IDs that have permission to
access any of the ports on that ASIC.
• Is available on 1, 2, 4, 8 and 10 Gbps platforms.
• Ensures that the name server does not return any information to an unauthorized initiator in response to
a name server query.
• Is exclusively enforced through selective information presented to end nodes through the fabric Simple
Name Server (SNS). When an initiator queries the name server for accessible devices in the fabric, the
name server returns only those devices that are in the same zone as the initiator. Devices that are not
part of the zone are not returned as accessible devices.
Fabric OS uses hardware-enforced zoning (on a per-zone basis) whenever the fabric membership or zone
configuration changes.
The exact zoning methodology varies on different switch models.
models, the hardware zoning methodology for each, and tips for best usage.
Table 55

Enforcing hardware zoning

Fabric type
Brocade
2000-series
200 Administering Advanced Zoning
Methodology
Enable hardware-enforced zoning only on
domain,port zones; WWN or mixed zones are
not hardware-enforced. Any domain,port zone
that overlaps a mixed or WWN zone is not
hardware-enforced.
An overlap occurs when a member specified
by WWN is connected to a port in a
domain,port zone. The domain,port zone loses
its hardware enforcement even though a
review of the zone configuration does not
indicate it.
Table 55 shows various HP switch
Best practice
Use domain,port identifiers.
Do not identify a zone
member by its WWN.