Allied Telesis Summit 24 User's Guide Page 18

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18 Summit 300-48 Switch Software User Guide
ExtremeWare Overview
SSH2 connection
Simple Network Management Protocol (SNMP) support
Remote Monitoring (RMON)
Traffic mirroring for ports
Unified Access
The Summit 300-48 supports the Unified Access architecture, enabling wired and wireless applications
across a completely integrated enterprise infrastructure. With the Altitude product line, the Summit
300-48 supports 802.11 WLAN connectivity. Provisioning of Unified Access is completely controlled by
the Summit 300-48.
Virtual LANs (VLANs)
ExtremeWare has a VLAN feature that enables you to construct your broadcast domains without being
restricted by physical connections. A VLAN is a group of location- and topology-independent devices
that communicate as if they were on the same physical local area network (LAN).
Implementing VLANs on your network has the following three advantages:
They help to control broadcast traffic. If a device in VLAN Marketing transmits a broadcast frame,
only VLAN Marketing devices receive the frame.
They provide extra security. Devices in VLAN Marketing can only communicate with devices on
VLAN Sales using routing services.
They ease the change and movement of devices on networks.
NOTE
For more information on VLANs, see Chapter 5, “Virtual LANs (VLANs)”.
Spanning Tree Protocol
The Summit 300-48 supports the IEEE 802.1D Spanning Tree Protocol (STP), which is a bridge-based
mechanism for providing fault tolerance on networks. STP enables you to implement parallel paths for
network traffic, and ensure that:
Redundant paths are disabled when the main paths are operational.
Redundant paths are enabled if the main traffic paths fail.
A single spanning tree can span multiple VLANs.
NOTE
For more information on STP, see Chapter 13, “Spanning Tree Protocol (STP)”.
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