ZyXEL Communications Corporation P8802T 用户手册

Chapter 4 WAN

Basic Home Station VDSL2 P8802T User’s Guide

compose the network address. The prefix length is written as “/x” where x is a number. For 
example, 

2001:db8:1a2b:15::1a2f:0/32

means that the first 32 bits (2001:db8) is the subnet prefix.