Configuring CoPP
You can classify communication between NXDB and the external controller in a Control Plane Policing (CoPP) management class. Doing so avoids congestion of the default CoPP class that affects the control communication.
copp copy profile strict prefix controller
ip access-list controller-copp-acl
10 permit tcp any any eq 6640
20 permit tcp any eq 6640 any
30 permit tcp any any eq www
40 permit tcp any eq www any
50 permit tcp any any eq 443
60 permit tcp any eq 443 any
class-map type control-plane match-any controller-copp-class-management
match access-group name controller-copp-acl
control-plane
service-policy input controller-copp-policy-strict