Cisco Nexus 5000 Series Switch CLI Software Configuration Guide, NX-OS 4.0(1a)N1 (OL-16597-01, January 2009)

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Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
OL-16597-01
Chapter 38 Configuring and Managing Zones
Information About Zoning
Figure 38-2 Fabric with Three Zones
Zone Implementation
Cisco Nexus 5000 Series switches automatically support the following basic zone features (no additional
configuration is required):
• Zones are contained in a VSAN.
• Hard zoning cannot be disabled.
• Name server queries are soft-zoned.
• Only active zone sets are distributed.
• Unzoned devices cannot access each other.
• A zone or zone set with the same name can exist in each VSAN.
• Each VSAN has a full database and an active database.
• Active zone sets cannot be changed, without activating a full zone database.
• Active zone sets are preserved across switch reboots.
• Changes to the full database must be explicitly saved.
• Zone reactivation (a zone set is active and you activate another zone set) does not disrupt existing
traffic.
If required, you can additionally configure the following zone features:
• Propagate full zone sets to all switches on a per VSAN basis.
• Change the default policy for unzoned members.
• Interoperate with other vendors by configuring a VSAN in the interop mode. You can also configure
one VSAN in the interop mode and another VSAN in the basic mode in the same switch without
disrupting each other.
• Bring E ports out of isolation.
Active and Full Zone Set Configuration Guidelines
Before configuring a zone set, consider the following guidelines:
H1 S1
S2
S3
H2
H3
Zone 1
Zone 2
Zone 3
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Fabric