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20-24
Cisco MDS 9000 Family Fabric Manager Configuration Guide
OL-17256-03, Cisco MDS NX-OS Release 4.x
Chapter 20 Configuring Interfaces
TL Ports for Private Loops
• Each private device on a TL port may be included in a different zone.
• All devices on the loop are treated as private loops. You cannot mix private and public devices on
the loop if the configured port mode is TL.
• The only FC4-type supported by TL ports is SCSI (FCP).
• Communication between a private initiator to a private target on the same private loop does not
invoke TL port services.
Table 20-6 lists the TL port translations supported in Cisco MDS 9000 Family switches. Figure 20-12
shows examples of TL port translation support.
Figure 20-12 TL Port Translation Support Examples
Configuring TL Ports
To configure the TL interface mode using Fabric Manager, follow these steps:
Table 20-6 Supported TL Port Translations
Translation from Translation to Example
Private initiator Private target From I1 to T1 or vice versa
Private initiator Public target — N port From I1 to T2 or vice versa
Private initiator Public target — NL port From I4 to T3 or vice versa
Public initiator — N port Private target From I2 to T1 or vice versa
Public initiator — NL port Private target From I3 to T1 or vice versa
NL port
NL port
NL port
NL port
NL port
N port
N port
F port
F port
TL port
TL port
FL port
Private
loop
Private
loop
Public
loop
Private
initiator (I4)
Private
initiator (I1)
Public
initiator (I2)
Public
initiator (I3)
Public
target (T2)
Private
target (T1)
Public
target (3)
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