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Network Port Issues with 6500 and IBM VIO Server

I would like to know if any others have had similar issues and what they did to resolve.

I have a pair of 6509 functioning as access switches. The 6509 connect to a number of IBM 595 cabinets. I recently rebooted the 6509. After the reboot, several network connections begin bouncing (up/down every second). After further investigation, the bouncing interfaces connected to a VIO server in the 595 cabinet. The only way to resolve the issue was to power off then on the VIO server.

The 6509 interfaces have been configured as an access switchport assigned to a VLAN. Multiple virtual servers connect to the VIO server which in turn connects to the physical NIC and the 6509.

6509 IOS – 12.2.33.SXI9

IO operating system – 2.1

AIX operating system – 6.1

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