ZyXEL Communications IES-708-22A - Manual (Page 313)

Chapter 49 Packet Filter Commands
IES-708-22A User’s Guide
313
The following example sets DSL port 5 to reject ARP, PPPoE and IGMP packets.
49.1.3 Packet Filter PPPoE Only Command
Syntax:
ras> switch pktfilter pppoeonly <portlist>
This command sets the IES-708-22A to allow only PPPoE traffic on the specified DSL port(s).
The system will drop any non-PPPoE packets.
The following example sets DSL port 1 to accept only PPPoE packets.
ras> switch pktfilter set 5 arp pppoe igmp
ras> switch pktfilter pppoeonly 1