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Configuring Firewall Settings
92 EN/LZT 108 6492 R2 - October 2003
hardware address (i.e. MAC addresses). Certain
types of computers, such as diskless workstations,
must use RARP to determine their IP address before
communicating with other network devices.
AppleTalk A networking protocol used for Apple Macintosh
networks.
NetBEUI NetBIOS Enhanced User Interface. On many LAN
operating systems, the NetBEUI rotocol provides the
method by which computers identify themselves to
and communicate with each other.
IPX Internetwork Packet Exchange. A networking protocol
used on Novell Netware-based LANs.
BPDU Bridge Protocol Data Unit. BPDUs are data messages
that are exchanged across the switches between
LANs that are connected by a bridge. BPDU packets
contain information on ports, addresses, priorities,
and costs, and are exchanged across bridges to
detect and eliminate loops in a network.
ARP Address Resolution Protocol. Computers on a LAN
use ARP to learn the hardware addresses (i.e. MAC
addresses) of other computers when they know only
their IP addresses.
IPV6 Multicast IP Multicasting under IP Protocol version 6. See IP
Multicast above.
802.1.Q This IEEE specification defines a protocol for virtual
LANs on Ethernet networks. A virtual LAN is a group
of PCs that function as a local area network, even
though the PCs may not be physically connected.
They are commonly used to facilitate administration of
large networks.