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Introduction
Access Control (MAC) sub-layer of the Data Link layer. Figure 1-2
shows the OSI Reference Model.
Figure 1-2. OSI Reference Model
Port Trunking
Another performance enhancing feature of the SmartSTACK
ELS100-16TX is Port Trunking. The SmartSTACK ELS100-16TX
allows two Trunk groups of up to eight 10 Mbps or 100 Mbps ports
to be connected between the SmartSTACK ELS100-16TX and
network devices including Cabletron’s SmartStack 10, FastNET
products and ATX LAN switch. This capability provides a scalable
dedicated bandwidth in a single trunk group of up to 1.6 Gbps
(full duplex) when using 100BaseX ports or 160Mbps (full duplex)
when using the ports in 10BaseT mode. This is accomplished
without introducing any emerging technologies such as Gigabit
Ethernet or ATM. By connecting multiple SmartSTACK ELS100-
16TX products using port trunking, the network administrator can
create a virtual chassis (spanning multiple physical chassis),
providing many-switched Ethernet and Fast Ethernet ports at a
very low cost per port.
Autonegotiation
Auto-negotiation is supported on all of the 16 switched Ethernet
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Presentation
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Application
Session
Transport
Network
Data Link
Physical
ELS100-16TX operates at Layer 2