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25-7
Cisco MDS 9000 Family Fabric Manager Configuration Guide
OL-17256-03, Cisco MDS NX-OS Release 4.x
Chapter 25 Configuring Domain Parameters
Fibre Channel Domains
Rejecting Incoming RCFs
To reject incoming RCF request frames using Fabric Manager, follow these steps:
Step 1 Expand Switches > Interfaces and then select FC Physical in the Physical Attributes pane.
You see the Fibre Channel configuration in the Information pane.
Step 2 Click the Domain Mgr tab.
You see the information in Figure 25-6.
Figure 25-6 Rejecting Incoming RCF Request Frames
Step 3
Check the RcfReject check box for each interface that you want to reject RCF request frames on.
Step 4 Click the Apply Changes icon to save these changes.
About Autoreconfiguring Merged Fabrics
By default, the autoreconfigure option is disabled. When you join two switches belonging to two
different stable fabrics that have overlapping domains, the following cases apply:
• If the autoreconfigure option is enabled on both switches, a disruptive reconfiguration phase is
started.
• If the autoreconfigure option is disabled on either or both switches, the links between the two
switches become isolated.
The autoreconfigure option takes immediate effect at runtime. You do not need to restart the fcdomain.
If a domain is currently isolated due to domain overlap, and you later enable the autoreconfigure option
on both switches, the fabric continues to be isolated. If you enabled the autoreconfigure option on both
switches before connecting the fabric, a disruptive reconfiguration (RCF) will occur. A disruptive
reconfiguration may affect data traffic. You can nondisruptively reconfigure the fcdomain by changing
the configured domains on the overlapping links and getting rid of the domain overlap.
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