G
LOSSARY
Glossary-6
Management Information Base (MIB)
An acronym for Management Information Base. It is a set of database
objects that contains information about a specific device.
Multicast Switching
A process whereby the switch filters incoming multicast frames for
services for which no attached host has registered, or forwards them to all
ports contained within the designated multicast VLAN group.
Out-of-Band Management
Management of the network from a station not attached to the network.
Port Authentication
See IEEE 802.1x
Port Mirroring
A method whereby data on a target port is mirrored to a monitor port for
troubleshooting with a logic analyzer or RMON probe. This allows data on
the target port to be studied unobstructively.
Port Trunk
Defines a network link aggregation and trunking method which specifies
how to create a single high-speed logical link that combines several
lower-speed physical links.
Private VLAN
Private VLANs segregate traffic into a non-broadcast domain. Traffic from
a promiscuous port can pass between all ports that belong to the same
primary VLAN. Traffic from a host port in a secondary VLAN can be
forwarded to a promiscuous port in the associated primary VLAN or to
other ports that belong to the same community VLAN.
Rate-Limit
This function allows the network manager to control th e maximum
rate for traffic transmitted or received on an interface. Rate limiting
is configured on interfaces at the edge of a network to limit traffic