Appending a new ACE to the end of an ACL
Switch(config)# ipv6 access-list My-list permit esp host 2001:db8:0:5ad::19 any 1 Switch(Config)# ipv6 access-list My-list 2 Switch(config-ipv6-acl)# permit ipv6 any host 2001:db8:0:5ad::1
1 From the global configuration prompt, appends an ACE to the end of the ACL named My-list
2 Enters the context of the "My-list"ACL and appends an ACE to the end of the list