We have a collapsed core using two N7K as core and with Access switches 3650. We have vpc running on core and port-channels on the access switches side. When we ping from one of the core or access its fine and 100% success without any packet loss, but at the same time if we ping the access switches from the other core so there is packet loss and same from the access switch side.
If we ping from the users connected on the access switches towards the core there is no packet loss.
We do not have any control plane policy or no firewall is there in between.
can some one help on this. Any help will be very much appreciated.
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