Ive seen both types of designs (with a little modification).
The first type, we call high-availability design ( but we use 2 links between the 2 l2 switches).
and the second type is usual config.
I dont see any problem using network B, but for network A I'd suggest a redundant link (you could use a l2 port-channel too, to avoid SPT blocking 1 of the links) between the 2 l2 sw.
Just make sure you have the correct placement of root bridges and guarantee that you wont have connectivity issues between the HSRP routers on the Core layer. (on Cisco terms, I'd call your routers Collapse Distribution routers).
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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In this session you can learn more about Layer 3 multicast and the best
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