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4-19
Cisco MDS 9000 Family Troubleshooting Guide
OL-5183-02, Cisco MDS SAN-OS Release 1.3
Chapter 4 Troubleshooting Switch Fabric Level Issues
Troubleshooting Zoning Issues
After deactivating the zoneset on switch4 and performing a shutdown followed by a no shutdown on the
ISL that connects it to switch3, the zone merge is processed again. Because switch3 has no active
zoneset, it learns the active zoneset from switch4 during the zone merge process.
Misconfigured Zones Within an Active Zoneset in the Same VSAN
Even when the active zonesets contain the same zones for a VSAN on all the switches within a fabric,
the members contained within those zones must also match or the zone merge will fail.
In this example, the active zonesets “wall” for VSAN 1 on switches switch3 and switch4 contain the
same zone “excal1”. However, the members of the zone are different on each switch. When the switches
they are connected together to form the switch fabric, a zone merge failure occurs and VSAN 1 becomes
isolated.
This topic has already been covered in a previous section. All you need to to do is to modify the
membership of the zones so that any zones that have the same names also have the exact same
membership.
For instructions about changing the membership of a zone, refer to the Cisco MDS 9000 Family
Configuration Guide.
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