We currently have a 4506-E chassis, Sup 6E, that is using the Gb twin adapters (Gb1/3-6) for the interfaces on the supervisor. These adapters can obviously be replaced with X2 adapters to utilize 10Gb (Te1/1-2) There are two slots so that would give 2 x 10Gb OR 4 x 1Gb.
My question is this: We're currently using a 1Gb up-link configured on Gb1/3 (would be Te1/1 if 10Gb). We're in the process of migrating to 10Gb for this closet so we want to pre-configure the interfaces. Can I configure te1/1 and te1/2 without screwing up the interface that's currently being used for the up-link (Gb1/3)? I'd like to go ahead and create a port-channel config with te1/1-2 so that all we have to do is replace the transceivers and fiber jumpers when the time comes. I'm aware that there is a hw-module command that will need to be issued to change the transceiver type in the config as well.
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