QTECH SmartEdge 100 PPP and PPPoE - Manual (Page 11)

Overview
Transfer Mode (PPPoA) subscribers are supported for IPv4 or in dual-stack
environments.
You can configure three possible variations for a subscriber that has a valid /32
netmask configured:
• Reserve one IP address for the subscriber and install only the host
/32 route. The system rejects IPCP netmask option requests received
from the Customer Premise Equipment (CPE) client. This is the default
configuration; no additional configuration is required.
• Reserve an entire subnet range for the subscriber and install the subnet
route.
• Reserve one IP address for the subscriber and install the subnet route.
Without this configuration, the SmartEdge OS rejects IPCP option 144 requests
received from CPE clients.
7 64/1543-CRA 119 1170/1 Uen K | 2012-12-04