Chapter 2: Network Requirements; Link Aggregation - Enterasys Gold Distributed Forwarding Engine 4G4282-49 Hardware Installation Manual

This chapter provides information concerning the network requirements that must be met
to ensure a satisfactory performance from the DFE module. The information consists of
the following:
For information about...

Link Aggregation

10BASE-T Network
100BASE-TX Network
1000BASE-SX/LX/ELX Network
1000BASE-T Network
Link Aggregation
Link Aggregation is a method of grouping multiple physical ports on a network device
into one logical link according to the IEEE 802.3ad‐2002 standard. Because Link
Aggregation is standards based, it allows for automatic configuration with manual
overrides (if applicable), and can operate on 10 Mbps, 100 Mbps, or 1000 Mbps Ethernet
full duplex ports. Thus the network administrator can combine a group of five 100 Mbps
ports into a logical link (trunk) that functions as a single 500 Mbps port. Once the modules
agree on which ports are in the trunk, Spanning Tree can treat these multiple physical
links as a single logical port, eliminating a looping condition among the aggregated links.
Note: The Matrix DFE-Gold Series Configuration Guide and the Cabling Guide referred to
in the following sections can be found on the Enterasys Networks World Wide Web site:
http://www.enterasys.com/support/manuals.
Refer to "Related Documents"
Network Requirements
on page xiv for more information.
Matrix DFE-Gold Series Installation Guide 2-1
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