About Recovering from Link Isolation
When two switches in a fabric are merged using a TE or E port, these TE and E ports may become isolated
when the active zoneset databases are different between the two switches or fabrics. When a TE port or an E
port become isolated, you can recover that port from its isolated state using one of three options:
• Import the neighboring switch's active zoneset database and replace the current active zoneset (see Figure
29: Importing and Exporting the Database , on page 79.
• Export the current database to the neighboring switch.
• Manually resolve the conflict by editing the full zoneset, activating the corrected zoneset, and then
bringing up the link.
Figure 29: Importing and Exporting the Database
Importing and Exporting Zone Sets
Issue the import and export commands from a single switch. Importing from one switch and exporting from
another switch can lead to isolation again.
Note
To import or export the zoneset information from or to an adjacent switch, follow these steps:
Step 1 switch# zoneset import interface fc1/3 vsan 2
Imports the zoneset from the adjacent switch connected through the fc 1/3 interface for VSAN 2.
Step 2 switch# zoneset import interface fc1/3 vsan 2-5
Imports the zoneset from the adjacent switch connected through the fc 1/3 interface for VSANs ranging from 2 through
5.
Step 3 switch# zoneset export vsan 5
Cisco MDS 9000 Series Fabric Configuration Guide, Release 8.x
79
Configuring and Managing Zones
About Recovering from Link Isolation
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