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For questions about Cisco Virtual Switching System (VSS). For instance, you want to convert your 6500 Series switches with Supervisor 2T to run as one virtual switch. Therefore you have questions about how to enable VSS and what to consider before doing so.

23 votes

What are the alternatives to OTV for stretching a layer 2 network across 2 datacenters?

Dark fiber and LAG across the two links. VPLS won't work on 4500. Disable STP on the DCI link (and make sure nobody ever reconnects the cables the wrong way) or use MST with each DC as a region (you …
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