OTV will work with multicast or unicast as your transport.Multicast is the preferred method due to its flexibility,as well it's limited overhead.It requires that you have multicast already running as transport in existing network.You can use unicas...
One last question but also the most important one, when I change MTU with my script, will that cause inconsistency on the vPCs either glabally or on interfaces..? Will it cause any down time?
Thanks!
To verify enter the following cmd on the N7k.
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Just remember when you set jumbo frames on 5k via system QOS if you enter the following command you will see the reflected change.
show queueing interface \interface name