442 Fabric OS Administrator’s Guide
53-1002446-01
F_Port trunking
22
Backward compatibility support
For backward compatibility, an FC router that supports EX_Port trunking can continue to
interoperate with older FC routers and all previously supported Brocade switches in the backbone
fabric or Brocade edge fabric.
Configuring EX_Port trunking
With EX_Port trunking, you use the same CLI commands as you do for E_Port trunking. See
“Configuring trunk groups” on page 437 for instructions.
Displaying EX_Port trunking information
1. Log in as an admin and connect to the switch.
2. Enter the switchShow command to display trunking information for the EX_Ports.
The following is an example of a master EX_Port and a slave EX_Port displayed in switchShow.
fcr_switch:admin_06> switchshow
Index Slot Port Address Media Speed State
==============================================
16 2 0 ee1000 id N4 No_Light
17 2 1 ee1100 id N4 Online EX_Port (Trunk port, master is Slot 2 Port 2 )
18 2 2 ee1200 id N4 Online EX_Port 10:00:00:05:1e:35:bb:32 "MtOlympus_82"
(fabric id = 2 )(Trunk master)
19 2 3 ee1300 id N4 No_Light
20 2 4 ee1400 id N4 Online EX_Port (Trunk port, master is Slot 2 Port 7 )
21 2 5 ee1500 id N4 Online EX_Port (Trunk port, master is Slot 2 Port 7 )
22 2 6 ee1600 id N4 Online EX_Port (Trunk port, master is Slot 2 Port 7 )
23 2 7 ee1700 id N4 Online EX_Port 10:00:00:60:69:80:1d:bc "MtOlympus_72"
(fabric id = 2 )(Trunk master)
F_Port trunking
You can configure F_Port trunking in the following scenarios:
• Between F_Ports on a Fabric OS switch and N_Ports on an Access Gateway module
• Between F_Ports on a Fabric OS switch and N_Ports on a Brocade adapter
For F_Port trunking, you must create a Trunk Area (TA) within the trunk group. When you assign an
area within a trunk group, that group is F_Port trunking enabled. The TA that you assign must be
within the 8-port trunk group beginning with port 0 (zero). After you assign a TA to a port, the port
immediately acquires the TA as the area of its PID. Likewise, after you remove a TA from a port, the
port immediately acquires the default area as its PID. F_Port trunking prevents reassignments of
the Port ID, also referred to as the Address Identifier, when F_Ports go offline, and it increases
F_Port bandwidth.
This chapter describes how you configure F_Port trunking on the switch. See the Access Gateway
Administrator’s Guide and the Brocade Adapters Administrator’s Guide for information about
configuring the corresponding N_Port trunking on the Access Gateway and the Brocade adapter.
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