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I have a 6506-E with a new SUP720. The switch has a 48 port Gig Ethernet SFP to support a large number of 3750 switches. The uplink is connected to a Cisco ASA 5550 configured to transparent mode. The SUP720 has the following IOS: s72033-ipservicesk9...
I am using single mode SFP. The sup is a SUP720-3B and it does't have 10Gb connectios. I did have a SUP720 with 10Gb connections that I used to see if it would work but it gave me the same results.
