My original reply was that what you have in your diagram is just a standard vPC connection ie. the ASR's just use port channeling on their end and the Nexus pair use a vPC.
So there is no reason why that wouldn't work. However the recommendation is not to use a vPC to connect to L3 devices such as routers, firewalls in routed mode. Have a look at this link and read the recommendations, supported and unsupported topologies when connecting a L3 device to a Nexus pair -
We are pleased to announce availability of Beta software for 16.6.3.
16.6.3 will be the second rebuild on the 16.6 release train targeted
towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are
looking for early feedback from customers befor...
Introduction Featured Speakers Luis Espejel is the Telecommunications
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IOS® and Cisco IOS XE platforms, and NX to some extent. He has also
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In this session you can learn more about Layer 3 multicast and the best
practices to identify possible threats and take security measures. It
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