User Manual for the NETGEAR 7300 Series Layer 3 Managed Switch Software
C-2 Glossary
202-10009-01_060204
100BASE-TX
The IEEE specification for 100 Mbps Fast Ethernet over Category 5 twisted-pair cable.
1000BASE-SX
The IEEE specification for 1000 Mbps Gigabit Ethernet over fiber-optic cable.
1000BASE-T
The IEEE specification for 1000 Mbps Gigabit Ethernet over Category 5 twisted-pair cable.
gain access.
A
ABR
See “Area Border Router” on page 2.
Access Control List
An ACL is a database that an Operating System uses to track each user’s access rights to system objects
(such as file directories and/or files).
ACL
See “Access Control List” on page 2.
Address Resolution Protocol
An Internet Protocol that dynamically maps Internet addresses to physical (hardware) addresses on a LAN.
Advanced Network Device Layer/Software
Term for the Device Driver level.
Aging
When an entry for a node is added to the lookup table of a switch, it is given a timestamp. Each time a packet
is received from a node, the timestamp is updated. The switch has a user-configurable timer that erases the
entry after a certain length of time with no activity from that node.
Area Border Router
A router located on the border of one or more OSPF areas that connects those areas to the backbone
network. ABRs are considered members of both the OSPF backbone and the attached areas. They therefore
maintain routing tables describing both the backbone topology and the topology of the other areas. (Cisco
Systems Inc.)
ARP
See “Address Resolution Protocol” on page 2.
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