ZyXEL Communications IES-612-51A User Manual page 172

Chapter 20 Filtering
Table 46 Packet Filter (continued)
LABEL
PPPoE Pass
through
IP Pass through
ARP Pass through
NetBios Pass
through
DHCP Pass through
EAPOL Pass
through
IGMP Pass through
Add
Apply
Cancel
Port
PPPoE, IP, ARP,
NetBios, DHCP,
EAPOL, IGMP,
PPPoE Only
172
DESCRIPTION
Point-to-Point Protocol over Ethernet relies on PPP and Ethernet. It is a
specification for connecting the users on an Ethernet to the Internet through a
common broadband medium, such as a single DSL line, wireless device or
cable modem.
Internet Protocol. The underlying protocol for routing packets on the Internet
and other TCP/IP-based networks.
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 (Network Basic Input/Output System) are TCP or UDP packets that
enable a computer to find other computers.
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.
EAP (Extensible Authentication Protocol, RFC 2486) over LAN. EAP is used
with IEEE 802.1x to allow additional authentication methods (besides RADIUS)
to be deployed with no changes to the access point or the wireless clients.
Internet Group Multicast Protocol is used when sending packets to a specific
group of hosts.
Click Add or Apply to save the filter settings. The settings then display in the
summary table at the bottom of the screen.
Clicking Add or Apply saves your changes to the IES-612-51A's volatile
memory. The IES-612-51A loses these changes if it is turned off or loses power,
so use the Config Save link on the navigation panel to save your changes to
the non-volatile memory when you are done configuring.
Click Cancel to begin configuring the fields afresh.
This table shows the DSL port packet filter settings.
These are the numbers of the DSL ports. Click this number to edit the port's
filter settings in the section at the top.
These are the packet filter settings for each port.
"V" displays for the packet types that the IES-612-51A is to accept on the port. "-
" displays for packet types that the IES-612-51A is to reject on the port (packet
types that are not listed are accepted). When you select PPPoE Only,"#"
appears for all of the packet types. With PPPoE Only, the IES-612-51A rejects
all packet types except for PPPoE (packet types that are not listed are also
rejected).
IES-612-51A User's Guide