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29-22
Cisco MDS 9000 Family Fabric Manager Configuration Guide
OL-17256-03, Cisco MDS NX-OS Release 4.x
Chapter 29 Configuring Inter-VSAN Routing
IVR Zones and IVR Zone Sets
• About LUNs in IVR Zoning, page 29-30
• Configuring LUNs in IVR Zoning, page 29-30
• About QoS in IVR Zones, page 29-30
• Configuring QoS for IVR Zones, page 29-30
• Clearing the IVR Zone Database, page 29-31
• Configuring IVR Using Read-Only Zoning, page 29-31
• System Image Downgrading Considerations, page 29-31
About IVR Zones
Table 29-3 identifies the key differences between IVR zones and zones.
Automatic IVR Zone Creation
Figure 29-14 depicts an IVR zone consisting of four members. To allow pwwn1 to communicate with
pwwn2, they must be in the same zone in VSAN 1, as well as in VSAN 2. If they are not in the same
zone, then the hard-zoning ACL entries will prohibit pwwn1 from communicating with pwwn2.
A zone corresponding to each active IVR zone is automatically created in each edge VSAN specified in
the active IVR zone. All pWWNs in the IVR zone are members of these zones in each VSAN.
Table 29-3 Key Differences Between IVR Zones and Zones
IVR Zones Zones
IVR zone membership is specified using the VSAN and
pWWN combination.
Zone membership is specified using pWWN,
fabric WWN, sWWN, or the AFID.
Default zone policy is always deny (not configurable). Default zone policy is deny (configurable).
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