Interface Configuration
7210 SAS M, T, X, R6, R12, Mxp Interface Configuration Guide Page 313
Test Sap Id        : 1/1/12:90
Loopback Src Addr  : 00:00:01:00:02:00
Loopback Dst Addr  : 00:00:01:00:03:00
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===============================================================================
*A:7210SAS>config>port#
Sample Output for 7210 SAS-T
A:SAST-1# show system internal-loopback-ports detail 
===============================================================================
Internal Loopback Port Status
===============================================================================
Port                Loopback            Application         Service
Id                  Type                                    Enabled
-------------------------------------------------------------------------------
1/1/27              Virtual             Not-In-Use          No
1/1/28              Virtual             Not-In-Use          No
========================================
Mac-swap Application Status
========================================
Enabled            : No
Test Service Id    : None
Test Sap Id        : None
========================================
Sample Output for 7210 SAS-X
A:SASX# show system internal-loopback-ports detail 
===============================================================================
Internal Loopback Port Status
===============================================================================
Port                Loopback            Application         Service
Id                  Type                                    Enabled
-------------------------------------------------------------------------------
1/1/10              Physical            Mac-Swap            No
1/1/11              Physical            Testhead            No
========================================
Mac-swap Application Status
========================================
Enabled            : Yes
Test Service Id    : None
Test Sap Id        : None
========================================
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Sample Output for 7210 SAS-R6 and 7210 SAS-R12
*A:7210SAS>show>system# internal-loopback-ports detail