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參數(shù)資料
| 型號： | MVTX2602 |
| 廠商： | Zarlink Semiconductor Inc. |
| 英文描述： | Managed 24 Port 10/100 Mbps Ethernet Switch |
| 中文描述： | 管理的24端口10/100 Mbps以太網(wǎng)交換機 |
| 文件頁數(shù)： | 24/147頁 |
| 文件大?。?/td> | 924K |
| 代理商： | MVTX2602 |
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MVTX2602
Data Sheet
24
Zarlink Semiconductor Inc.
Each entry has 64 bits. Each port has a VLAN status field with the following two bits values:
00: Port not a member of VLAN
01: Port is a member of VLAN and is subject to aging (Do not use. Used by the aging module)
10: Port is a member of VLAN and is subject to aging
11: Port is a member of VLAN and is not subject to aging
Note:
The VLAN aging time is controlled by register 402h.
5.4 MAC Address Filtering
The MVTX2602's implementation of intelligent traffic switching provides filters for source and destination MAC
addresses. This feature filters unnecessary traffic, thereby providing intelligent control over traffic flows and
broadcast traffic.
MAC address filtering allows the MVTX2602 to block an incoming packet to an interface when it sees a specified
MAC address in either the source address or destination address of the incoming packet. For example, if your
network is congested because of high utilization from a MAC address you can filter all traffic transmitted from that
address and restore network flow while you troubleshoot the problem.
5.5 Quality of Service
Quality of Service (QoS) refers to the ability of a network to provide better service to selected network traffic over
various technologies. Primary goals of QoS include dedicated bandwidth, controlled jitter and latency (required by
some real-time and interactive traffic) and improved loss characteristics.
Traditional Ethernet networks have had no prioritization of traffic. Without a protocol to prioritize or differentiate
traffic, a service level known as “best effort” attempts to get all the packets to their intended destinations with
minimum delay; however, there are no guarantees. In a congested network or when a low-performance
switch/router is overloaded, “best effort” becomes unsuitable for delay-sensitive traffic and mission-critical data
transmission.
The advent of QoS for packet-based systems accommodates the integration of delay-sensitive video and
multimedia traffic onto any existing Ethernet network. It also alleviates the congestion issues that have previously
plagued such “best effort” networking systems. QoS provides Ethernet networks with the breakthrough technology
to prioritize traffic and ensure that a certain transmission will have a guaranteed minimum amount of bandwidth.
Extensive core QoS mechanisms are built into the MVTX2602 architecture to ensure policy enforcement and
buffering of the ingress port, as well as weighted fair-queue(WFQ) scheduling at the egress port.
In the MVTX2602, QoS-based policies sort traffic into a small number of classes and mark the packets accordingly.
The QoS identifier provides specific treatment to traffic in different classes so that different quality of service is
provided to each class. Frame and packet scheduling and discarding policies are determined by the class to which
the frames and packets belong. For example, the overall service given to frames and packets in the premium class
will be better than that given to the standard class; the premium class is expected to experience lower loss rate or
delay.
The MVTX2602 supports the following QoS techniques:
In a port-based setup, any station connected to the same physical port of the switch will have the same
transmit priority.
In a tag-based setup, a 3-bit field in the VLAN tag provides the priority of the packet. This priority can be
mapped to different queues in the switch to provide QoS.
In a TOS/DS-based set up, TOS stands for “Type of Service” that may include “minimize delay,” “maximize
throughput” or “maximize reliability.” Network nodes may select routing paths or forwarding behaviours that
are suitably engineered to satisfy the service request.
相關PDF資料 |
PDF描述 |
|---|---|
| MVTX2602AG | Managed 24 Port 10/100 Mbps Ethernet Switch |
| MVTX2603 | Unmanaged 24-Port 10/100 Mb + 2-Port 1 Gb Ethernet Switch |
| MVTX2603AG | Unmanaged 24-Port 10/100 Mb + 2-Port 1 Gb Ethernet Switch |
| MVTX2604 | Managed 24-Port 10/100 Mb + 2 Port 1 Gb Ethernet Switch |
| MVTX2604AG | Managed 24-Port 10/100 Mb + 2 Port 1 Gb Ethernet Switch |
相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MVTX2602A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MVTX260x Port Mirroring |
| MVTX2602AG | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Managed 24 Port 10/100 Mbps Ethernet Switch |
| MVTX2602AG2 | 制造商:Microsemi Corporation 功能描述: |
| MVTX2603 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Unmanaged 24-Port 10/100 Mb + 2-Port 1 Gb Ethernet Switch |
| MVTX2603A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Unmanaged 24 port 10/100Mb + 2 port 1Gb Ethernet switch |
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