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User Manual for the NETGEAR 7300S Series Layer 3 Managed Switch Software
Glossary C-21
202-10088-01, March 2005
an 802.1Q-compliant switch or router. Devices recognizing 802.1Q-tagged frames maintain appropriate
tables to track VLANs. The first three bits of the 802.1Q tag are used by 802.1P to establish priority for the
packet.
Virtual Router Redundancy Protocol
VRRP specifies an election protocol that dynamically assigns responsibility for a virtual router to one of the
VRRP routers on a LAN. The VRRP router controlling the IP address(es) associated with a virtual router is
called the Master, and forwards packets sent to these IP addresses. The election process provides dynamic
fail-over in the forwarding responsibility should the Master become unavailable. This allows any of the
virtual router IP addresses on the LAN to be used as the default first hop router by end-hosts. The advantage
gained from using VRRP is a higher availability default path without requiring configuration of dynamic
routing or router discovery protocols on every end-host.
VLAN
See “Virtual Local Area Network” on page 20.
VRRP
See “Virtual Router Redundancy Protocol” on page 21.
W
WAN
See “Wide Area Network” on page 21.
Web
Also known as World-Wide Web (WWW) or W3. An Internet client-server system to distribute information,
based upon the hypertext transfer protocol (HTTP).
Wide Area Network
A WAN is a computer network that spans a relatively large geographical area. Typically, a WAN consists of
two or more local-area networks (LANs).
Windows Internet Naming Service
WINS. Windows Internet Naming Service is a server process for resolving Windows-based computer names
to IP addresses.
If a remote network contains a WINS server, your Windows PCs can gather information from that WINS
server about its local hosts. This allows your PCs to browse that remote network using the Windows
Network Neighborhood feature.