The index of acl group, identifying an ACL.
The object specifies the range of an ACL number.
The basic ACL is represented by the number
in the range 2000 through 2999. The advanced ACL is
represented by the number in the range 3000 through
3999. The interface-based ACL is represented by the
number in the range 1000 to 1999. The User Defined ACL is
represented by the number in the range 5000 through
5999. The User ACL is represented by the number in the range 6000 through
9999. The Mpls ACL is represented by the number in the range 10000 through
10999. The name ACL is represented by the number
in the range 42768 through 76535.