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Cisco MDS 9000 Family Fabric Manager Configuration Guide
OL-17256-03, Cisco MDS NX-OS Release 4.x
Chapter 36 Configuring FICON
Configuring FICON Ports
• Viewing ESCON Style Ports, page 36-26
• Port Prohibiting, page 36-26
• Assigning a Port Address Name, page 36-27
• About RLIR, page 36-27
• Displaying RLIR Information, page 36-27
Configuring Port Blocking
If you block a port, the port is retained in the operationally down state. If you unblock a port, a port
initialization is attempted. When a port is blocked, data and control traffic are not allowed on that port.
Physical Fibre Channel port blocks will continue to transmit an Off-line state (OLS) primitive sequence
on a blocked port.
Caution You cannot block or prohibit the CUP port (0XFE).
If a port is shut down, unblocking that port does not initialize the port.
Note The shutdown/no shutdown port state is independent of the block/no block port state.
To block or unblock port addresses in a VSAN using Device Manager, follow these steps:
Step 1 Choose FICON > VSANs.
Step 2 Select a VSAN ID and click Port Configuration.
You see the FICON Port Configuration dialog box for the selected VSAN (see Figure 36-14).
Figure 36-14 FICON Port Configuration Dialog Box
Step 3 Check the Blocked check box for the port that you want to block.
Step 4 Click Apply to save the changes.
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