HP AJ732A Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 4.1( - Page 25
Reconfiguring SSM Ports Before Upgrading to NX-OS Release 4.1(3a
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Upgrading Your Cisco MDS NX-OS Software Image Send documentation comments to mdsfeedback-doc.com. Reconfiguring SSM Ports Before Upgrading to NX-OS Release 4.1(3a) Starting with Cisco MDS SAN-OS Release 3.0(1), the SSM front panel ports can no longer be configured in auto mode, which is the default for releases prior to Release 3.0(1). Note To avoid any traffic disruption, modify the configuration of the SSM ports as described below, before upgrading a SAN-OS software image prior to Release 3.3(1c) to NX-OS Release 4.1(3a). For more information on upgrading SAN-OS software, see the "Upgrading Your Cisco MDS NX-OS Software Image" section on page 14. If the configuration is not updated before the upgrade, the installation process for the new image will automatically convert all ports configured in auto mode to Fx mode. This change in mode might cause a disruption if the port is currently operating in E mode. To upgrade the image on your SSM without any traffic disruption, follow these steps: Step 1 Step 2 Step 3 Verify the operational mode for each port on the SSM using the show interface command: switch# show interface fc 2/1 - 32 fc2/1 is up Hardware is Fibre Channel, SFP is short wave laser w/o OFC (SN) Port WWN is 20:4b:00:0d:ec:09:3c:00 Admin port mode is auto