The type of number group.
Basic ACL and Advanced ACL support ipv4 and ipv6.
The range of Basic ACL is from 2000 to 2999.
The range of Advanced ACL is from 3000 to 3999.
Simple ACL supports ipv6 only.
The range of Simple ACL is from 10000 to 42767.
MAC ACL and User ACL support ipv4 only.
The range of MAC ACL is from 4000 to 4999.
The range of User ACL is from 5000 to 5999.