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C H A P T E R 3 Physical Configuration Guidelines
29
In a stack of four hubs, if you remove a hub that is assigned unit 2 and
connect the cascade cable of unit 1 to unit 3, the hub that was assigned
unit 3 will reset and be renumbered as unit 2.
100BASE-T Network
Configurations
This section provides information about the typical 100BASE-T
network configurations that incorporate the Express hub. The versatile
repeater plays a key role in a 100BASE-T shared local area network
(LAN) and a 100BASE-T switched LAN. In both high-speed network
configurations, the repeater is installed in the wiring closet to greatly
increase the performance of your network.
100BASE-T Shared LAN
Users who are operating network intensive applications on powerful
workstations require more bandwidth than the conventional 10BASE-
T network can offer, therefore requiring the need for expanded
bandwidth. By migrating users who require more bandwidth to devices
that operate at 100 Mbps Fast Ethernet, you can greatly increase their
bandwidth and response times. By installing the Express hub in your
network, you can create a power workgroup with many users who can
share access to centralized network devices, such as servers and
printers, that are operating at 100 Mbps.
CAUTION
Removing a hub removes
port connectivity for that hub
from the network. In
nonredundant management
configurations, removing a
hub equipped with an NMM
removes management from
the entire stack. When you
remove a hub from the
middle of the stack (a hub
that is in the middle of the
stack is any hub that is
located between two
operating hubs), you split the
Ethernet segment into two
separate segments when the
cascade cable is disconnected
from the top and bottom
hubs.