Nexus7k supports multicast. There is a Cisco Live presentation available at ciscolive365.com:
BRKIPM-3062 - Nexus Multicast Design Best Practices (2012 San Diego) - 1 Hour
It even shows how to convert IOS configuration to NXOS.
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Daniel Dib
CCIE #37149
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Daniel Dib
CCIE #37149
CCDE #20160011
Please rate helpful posts.