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30-3
Cisco MDS 9000 Family Fabric Manager Configuration Guide
OL-17256-03, Cisco MDS NX-OS Release 4.x
Chapter 30 Configuring and Managing Zones
About Zoning
Figure 30-1 Fabric with Two Zones
Of course, there are other ways to partition this fabric into zones. Figure 30-2 illustrates another
possibility. Assume that there is a need to isolate storage system S2 for the purpose of testing new
software. To achieve this, zone 3 is configured, which contains only host H2 and storage S2. You can
restrict access to just H2 and S2 in zone 3, and to H1 and S1 in zone 1.
Figure 30-2 Fabric with Three Zones
Zone Implementation
All switches in the Cisco MDS 9000 Family 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.
H1
S1
S2
S3
H2
H3
Zone 1
Zone 2
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Fabric
H1 S1
S2
S3
H2
H3
Zone 1
Zone 2
Zone 3
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Fabric
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