ZyXEL Communications MSAP2000 manual Packet Filter Set Command

MSAP2000 AAMS User’s Guide

This command displays the packet type filter settings on the specified ADSL port(s) or on all

ADSL ports if no port is specified.

The following example displays the packet type filter settings for ADSL port 9. A “V” in a column means that the port is set to allow that type of packets to pass through.

Figure 135 Packet Filter Show Command Example

ras> switch pktfilter show 9
V: pass through, -: filter out
port pppoe ip arp netbios dhcp eapol igmp
---- ----- -- --- ------- ---- ----- ----
9 V - V	-	-	-	V

27.13.2Packet Filter Set Command

Syntax:

switch pktfilter set <portlist> [pppoeiparpnetbiosdhcpeapoligmpnone]

where
<portlist>	= You can specify a single ADSL port <1>, all ADSL ports <*>
	or a list of ADSL ports <1,3,5>. You can also include a range
	of ports
	<1,5,6~10>.
[pppoeipar	= [pppoe] Reject PPPoE packets. (Point-to-Point Protocol over
pnetbiosdh	Ethernet) relies on PPP and Ethernet. PPPoE is a specification
cpeapoligm	for connecting the users on an Ethernet to the Internet through
pnone]	a common broadband medium, such as a single DSL line,
	wireless device or cable modem.
	[ip] Reject IP packets. Internet Protocol. The underlying protocol
	for routing packets on the Internet and other TCP/IP-based
	networks.
	[arp] Reject ARP packets. Address Resolution Protocol is a
	protocol for mapping an Internet Protocol address (IP address)
	to a physical computer address that is recognized in the local
	network.
	[netbios] Reject NetBIOS packets. (Network Basic Input/Output
	System) are TCP or UDP broadcast packets that enable a
	computer to connect to and communicate with a LAN.
	[dhcp] Reject DHCP packets. Dynamic Host Configuration Protocol
	automatically assigns IP addresses to clients when they log on.
	DHCP centralizes IP address management on central computers
	that run the DHCP server program. DHCP leases addresses, for a
	period of time, which means that past addresses are “recycled” and
	made available for future reassignment to other systems.

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