Create FQDN obejct for ACL
# set address Contonso fqdn www.contonso.com
Configure this object in to ACL
Check for correct DNS resolution via CLI:
# request system fqdn show
To refresh DNS entries:
# request system fqdn refresh
1.1 Switched campus 1.1.a Switch administration 1.1.a i Managing MAC address table Show Commands: Switch#show mac address-table ? address ...