In a stack, DNS analytics provides chcekpointing of data collected by the master node to the backup node. Similarly, analyzed data of VLANs, which are spanning across MLAG nodes are checkpointed.
To enable DNS analytics, use the following command:
enable dns cache analytics {{vr} vr_name}
To disable DNS analytics, use the following command:
disable dns cache analytics {{vr} vr_name}
To clear the DNS analytics entries, use the following command:
clear dns cache analytics entries {{vr} vr_name}
To configure the timeout of entries or maximum number of entries for DNS analytics, use the following command:
configure dns cache analytics [{timeout minutes} {max-entries max_entries}]
To configure the protected client list for the DNS cache analytics, use the following command:
configure dns cache analytics [add | delete]protected-client [client_ip netmask | ipNetmask] {{vr} vr_name}
To show the DNS analytics status (enabled or disabled) and the configured maximum entries and timeout period, use the following command:
show dns cache analytics configuration {{vr} vr_name}
To show the DNS analytics protected client list, use the following command:
show dns cache analytics protected-client {{vr} vr_name}
To show DNS queries received from clients, use the following command:
show dns cache analytics statistics {client client_ip domain domain_name } {detail} {{vr} vr_name}}