Hi Aman,

That is the way it works. This is not IOS dependent. Basically, the restrictions is to use only two uplinks (one each on each Supervisor) are due to the hardware design of the Supervisor. Therefore, this will not be fixed in any new software releases.

You can view this link which will guide you which gbics slots will be active on different sup platforms

http://www.cisco.com/warp/customer/473/177.html#topic2

HTH

Ankur

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