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SYSTEM ACCESS
This chapter covers the following topics:
■ Product Overview
■ Configuring the Switch 7750
■ Setting Terminal Parameters
■ Command Line Interface
Product Overview The 3Com Switch 7750 is a large capacity, modularized wire speed Layer 2/Layer 3
switch. It is designed for IP metropolitan area networks (MAN), large-sized
enterprise networks, and campus network users.
The Switch 7750 has an integrated chassis structure. The chassis contains a card
area, fan area, power supply area, and a power distribution area. In the card area,
there are seven slots. Slot 0 is prepared specially for the switch Fabric module. The
remaining slots are for interface modules. You can install different interface
modules for different networks; the slots support a mixed set of modules.
The Switch 7750 supports the following services:
■ MAN, enterprise/campus networking
■ Multicast service and multicast routing functions and audio and video multicast
service.
Features Table 3 lists and describes the function features that the Switch 7750 supports.
Table 3 Function Features
Features Support
VLAN VLANs compliant with IEEE 802.1Q standard
Port-based VLAN
Protocol-based VLAN
GARP VLAN Registration Protocol (GVRP)
STP protocol Spanning Tree Protocol (STP)
Multiple Spanning Tree Protocol (MSTP), compliant with IEEE
802.1D/IEEE 802.1s Standard
Flow control IEEE 802.3x flow control (full-duplex)
Back-pressure based flow control (half-duplex)
Broadcast suppression Broadcast suppression
Multicast GARP Multicast Registration Protocol (GMRP)
Internet Group Management Protocol (IGMP) Snooping
Internet Group Management Protocol (IGMP)
Protocol-Independent Multicast-Dense Mode (PIM-DM)
Protocol-Independent Multicast-Sparse Mode (PIM-SM)