Amer Networks SGR24W4 Guia do Utilizador

SGR24W4 24-port Gigabit Web Smart Switch with 4 combo RJ45/SFP ports User’s Guide Release 1.05

User Manual 4 • Supports 802.1Q VLAN • Supports user management and limits one user to login • Maximal packet length can be up to 9600 bytes for

User Manual 94 4-4-1. Warm Restart Web Smart Switch offers many approaches to reboot your switch, such as: power up, hardware reset and software re

User Manual 95 4-4-2. Factory Reset Function name: Factory Default Function description: Factory Default provides the function to retrieve default s

User Manual 96 4-4-3. Software Upgrade Function name: Software Upgrade Function description: You can just click Browse button to retrieve the fil

User Manual 97 4-4-4. Configuration File Transfer Function name: Configuration File Transfer Function description: You can backup your switch’s confi

User Manual 98 4-4-5. Logout In addition to auto logout function we just mentioned in system configuration section, the switch also allows administ

User Manual 99 5. Trouble Shooting 5-1. Resolving No Link Condition The possible causes for a no link LED status are as follows: z The attached dev

User Manual 100 Appendix A Technical Specifications Features • 20 (10/100/1000Mbps) Gigabit Ethernet (TP) switching ports are compliant with IE

User Manual 101 Hardware Specifications  Standard Compliance: IEEE802.3/802.3ab / 802.3z / 802.3u / 802.3x  Network Interface: Configuration

User Manual 102  Diagnostic LED: System LED : Power Per Port LED: 10/100/1000M TP Port 1 to 24 : LINK/ACT, 10/100/1000Mbps 1000M

User Manual 103 Management Software Specifications System Configuration Auto-negotiation support on 10/100Base-TX ports, Web browser can set trans

User Manual 5 1-4. View of 24-Port GbE Web Smart Switch 1-4-1. User Interfaces on the Front Panel (Button, LEDs and Plugs) There

User Manual 104 Appendix B MIB Specifications MIB II Enterprise MIB brief description is listed as below. PRIVATE-GESM-SW24L-MIB DEFINITIONS :

User Manual 6 1000SX/LX Gigabit Fiber Port 21, 22, 23, 24 LED SFP(LINK/ACT) Green Lit when SFP connection with remote device is good Blinks when

User Manual 7 1-5. View of the Optional Modules In the switch, Port 21~24 include two types of media --- TP and SFP Fiber (LC, BiDi-SC…); they suppor

User Manual 8 2. Installation 2-1. Starting 24-Port GbE Web Smart Switch Up This section describes how to install the Web Smart Switch and its com

User Manual 9 • TP Port and Cable Installation ⇒ In the switch, TP port supports MDI/MDI-X auto-crossover, so both types of cable, straight-through

User Manual 10 2-1-2-1. Cabling Requirements for TP Ports ⇒ For Fast Ethernet TP network connection ⎯ The grade of the cable must be Cat. 5 or

User Manual 11 2-1-2-3. Switch Cascading in Topology • Takes the Delay Time into Account Theoretically, the switch partitions the collision domain f

User Manual 12 Case1: All switch ports are in the same local area network. Every port can access each other (See Fig. 2-2).

User Manual 13 Case 2b: Port-based VLAN (See Fig.2-4). 1. VLAN1 members could not access VLAN2, VLAN3 and VLAN4 members. 2. VLAN2 members cou

ii Trademarks Copyright ©2007 Amer.com. Contents subject to change without prior notice. Copyright Statement No part of this publication may be repr

User Manual 14 2-1-3. Configuring the Management Agent of the Switch In the way of web, user is allowed to startup the switch management function.

User Manual 15 2-1-3-1. Management through Ethernet Port There are two ways to configure and monitor the switch through the switch’s Ethernet port.

User Manual 16 Fig. 2-7 the Login Screen for Web 2-1-4. IP Address Assignment For IP address configuration, there are three pa

User Manual 17 With the classful addressing, it divides IP address into three classes, class A, class B and class C. The rest of IP addresses are for

User Manual 18 Class D and E: Class D is a class with first 4 MSB (Most significance bit) set to 1-1-1-0 and is used for IP Multicast. See also RF

User Manual 19 In this diagram, you can see the subnet mask with 25-bit long, 255.255.255.128, contains 126 members in the sub-netted network. Anothe

User Manual 20 For different network applications, the subnet mask may look like 255.255.255.240. This means it is a small network accommodating a

User Manual 21 2-2. Typical Applications The 24-Port GbE Web Smart Switch provides auto MDIX on its TP ports and supports fiber types like: LC and B

User Manual 22 Fig. 2-12 Office Network Connection Fig. 2-11 Peer-to-peer Network Connection

User Manual 23 3. Basic Concept and Management This chapter will tell you the basic concept of features to manage this switch and how they work.

iii Table of Contents CAUTION...

User Manual 24 This above diagram shows the Ethernet architecture, LLC sub-layer and MAC sub-layer, which are responded to the Dat

User Manual 25 The table 3-1 is the format of LLC PDU. It comprises four fields, DSAP, SSAP, Control and Information. The DSAP address field ident

User Manual 26 3-2. Media Access Control (MAC) MAC Addressing Because LAN is composed of many nodes, for the data exchanged among these nodes,

User Manual 27 Bit 47 bit 0 1st by

User Manual 28 - Destination address (DA) — The DA field is used to identify which network device(s) should receive the packet. It is a uniq

User Manual 29 How does a MAC work? The MAC sub-layer has two primary jobs to do: 1. Receiving and transmitting data. When receiving data, it parse

User Manual 30 Ethernet MAC transmits frames in half-duplex and full-duplex ways. In half-duplex operation mode, the MAC can either transmit or re

User Manual 31 Parameter value/LAN 10Base 100Base 1000Base Max. collision domain DTE to DTE 100 meters 100 meters for UTP412 meters

User Manual 32 3-3. Flow Control Flow control is a mechanism to tell the source device stopping sending frame for a specified period of time desig

User Manual 33 Frame Reception In essence, the frame reception is the same in both operations of half duplex and full duplex, except that full-duplex

iv 4-3-3. LACP Status ...87 4-3-4. RSTP Status...

User Manual 34 What if a VLAN tagging is applied? VLAN tagging is a 4-byte long data immediately following the MAC source address. When tagged VLA

User Manual 35 The maximum length of the extension is equal to the quantity (slotTime - minFrameSize). The MAC continues to monitor the medium for co

User Manual 36 Extended Distance Limitations: The diameter of a half-duplex LAN segment is determined by its maximum propagation delay time. For

User Manual 37 How does a switch operate? A Layer 2 switch uses some features of the Data Link layer in OSI model to forward the packet to the de

User Manual 38 Mac address aging There is a field in MAC address table used to put the entry’s Age time which determines how long a MAC entry can

User Manual 39 3-5. Virtual LAN What is a VLAN? It is a subset of a LAN. Before we discuss VLAN, we must understand what LAN is. In general, a LAN is

User Manual 40 Now we apply VLAN technology to configure the system shown as the figure above. We can partition the users into the different lo

User Manual 41 There are many types of VLAN applied. Most popular is port-based VLAN, tag-based VLAN and protocol-based VLAN.  Port-based VLAN Some

User Manual 42 VLAN-tagged frame: An Ethernet frame, carrying VLAN tag field, contains VLAN identification without the value of 0 and 4095, and p

User Manual 43 Ingress Rule: Each packet received by a VLAN-aware bridge will be classified to a VLAN. The classification rule is described as follow

v Revision History Release Date Revision 1.00 02/10/2007 A1 1.01 03/13/2007 A1 1.02 06/23/2007 A2 1.03 07/13/2007 A2 1.04 09/04/2007 A3 1.05

User Manual 44 How does a Tagged VLAN work? If the ingress filtering is enabled and when a packet is received, VLAN bridge will first check if the

User Manual 45 3-6. Link Aggregation Basically, Link Aggregation is to aggregate the bandwidth of more than one port to an assigned logical link. Th

User Manual 46 Terminology Link Aggregation: It is a method to have multiple physical links with the same media and speed bundled to be a logica

User Manual 47 4. Operation of Web-based Management This chapter would introduce how to manage your Web Smart Switch and how to configure the 10/10

User Manual 48 Fig. 4-1 4-1. Web Management Home Overview After login, System Information would be displayed as Fig. 4-2 illustrated. This pa

User Manual 49 • The Information of Page Layout ⎯ On the top part of the information page, it shows the front panel of the switch. Linked ports will

User Manual 50 4-2. Configuration Configuration includes the following functions: System Configuration, Ports Configuration, VLAN Mode Configurati

User Manual 51 4-2-1. System Configuration System configuration is one of the most important functions. Without a proper setting, network administrat

User Manual 52 Active Subnet Mask: Show the active subnet mask of this switch. Active Gateway: Show the active gateway of this switch. DH

User Manual 53 Subnet mask is used to set the subnet mask value, which should be the same value as that of the other devices resided in the s

vi Caution Circuit devices are sensitive to static electricity, which can damage their delicate electronics. Dry weather conditions or walking ac

User Manual 54 4-2-2. Port Configuration Function name: Port Configuration Function description: Port Configuration is applied for the settings

User Manual 55 Fig. 4-4 Port Configuration 4-2-3. VLAN Mode Configuration Web Smart Switch supports Port-based VLAN and Tag-based VLAN (802.1q). It

User Manual 56 Tag-based: Tag-based VLAN identifies its member by VID. This is quite different from port-based VLAN. If there are any more rules in

User Manual 57 Function name: VLAN Group Configuration Function description: It shows the information of VLAN Groups, and allows administrators to mai

User Manual 58 Fig. 4-8 Add or Remove VLAN Member Delete Group: Just tick the check box (;) beside the ID, then press the <Delete> button

User Manual 59 4-2-5. Aggregation The Aggregation (Port Trunking) Configuration is used to configure the settings of Link Aggregation. You can bundle

User Manual 60 4-2-6. LACP Smart Web Switch supports link aggregation IEEE802.3ad standard. The standard describes Link Aggregate Control Protocol

User Manual 61 4-2-7. RSTP RSTP detects and resolves network loops, and provides backup links between switches, bridges and routers. The protocol all

User Manual 62 RSTP Port Configuration Function description: Enable or disable RSTP protocol on the ports that are selected and set path cost.

User Manual 63 4-2-8. 802.1X 802.1x port-based network access control provides a method to restrict users to access network resources via authenticati

Publication date: Septembery, 2007 Revision A3 1 About this user’s manual This user’s manual provides instructions on how to install your Web Smart

User Manual 64 While in the authentication process, the message packets, encapsulated by Extensible Authentication Protocol over LAN (EAPOL), are e

User Manual 65 in the right side is EAPOL and the left side is EAP. 1. At the initial stage, the supplicant A is unauthenticated and a port on switch

User Manual 66 Authentication server, the port you are using is set to be unauthorized. Fig. 4-15 The 802.1X “Enabled” is the type of authenticati

User Manual 67 authentication in 802.1x port security application.Parameter description: Mode: Enable or disable 802.1X function. RADIUS IP: RADIUS se

User Manual 68 Force Reinitialize for all ports in at once. ---------------- continue ----------------- Fig. 4-16 802.1X Configuration Statistics

User Manual 69 Fig. 4-17 802.1X Statistics Function name: 802.1x Parameters Function description: In here, user can enable or disable Reauthenti

User Manual 70 4-2-9 IGMP Snooping Function name: IGMP Snooping Configuration Function description: IGMP Snooping lets administrators configu

User Manual 71 4-2-10. Mirror Configuration Function name: Mirror Configuration Function description: Mirror Configuration is provided to monitor the

User Manual 72 4-2-11. QoS(Quality of Service) Configuration The switch offers powerful QoS function. This function supports VLAN-tagged priority t

User Manual 73 Function name: 802.1p QoS Mode Function description: This function will affect the priority of VLAN tag. Based on priority of VLAN tag

User Manual 2 1. Introduction 1-1. Overview of 24-Port GbE Web Smart Switch The 24-port Gigabit Web Smart Switch is a standard switch that meets a

User Manual 74 Function name: DSCP QoS Mode Function description: In the late 1990s, the IETF redefined the meaning of the 8-bit SERVICE TYPE fiel

User Manual 75 4-2-12 Filter Function name: Filter Configuration Function description: This function lets administrators easily set management source

User Manual 76 Fig. 4-24 Filter Configuration

User Manual 77 4-2-13 Rate Limit Function name: Ingress and Egress Bandwidth Setting Function description: Ingress and Egress Bandwidth Setting functi

User Manual 78 4-2-14 Storm Control Function name: Storm Control Function description: Storm Control is used to block unnecessary multicast and bro

User Manual 79 To enable the Multicast Storm capability. User can use drop-down menu to select number of frames. Default is No Limit. The setting rang

User Manual 80 4-2-15 SNMP Any Network Management System (NMS) running the Simple Network Management Protocol (SNMP) can manage the Managed devices

User Manual 81 Default community name for Set: private Default community name for Trap: public Fig. 4-27 SNMP Configuration

User Manual 82 4-3. Monitoring There are six functions contained in the monitoring function. 4-3-1. Statistics Overview The fu

User Manual 83 Number of bad packets transmitted. Rx Errors: Number of bad packets received. Fig. 4-28 Statistics Overview for all ports

User Manual 3 1-2. Checklist Before you start installing the switch, verify that the package contains the following: ⎯ A 24-Port GbE Web Smart Swit

User Manual 84 4-3-2. Detailed Statistics Function name: Detailed Statistics Function description: Display the detailed counting number of each

User Manual 85 Tx Broad- and Multicast: Show the counting number of the transmitted broadcast with multicast packet. Tx Error Packets: Show the counti

User Manual 86 Rx Fragments: Number of short frames (< 64 bytes) with invalid CRC. Rx Jabber: Number of long frames(according tomax_length regis

User Manual 87 4-3-3. LACP Status Function name: LACP Status Function description: Display LACP status. Fig. 4-30 illustrates that LACP Status window

User Manual 88 4-3-4. RSTP Status Function name: RSTP Status Function description: Display RSTP status. Fig. 4-28 shows you that RSTP window can

User Manual 89 Fig. 4-31 RSTP Status

User Manual 90 4-3-5. IGMP Status Function name: IGMP Status Function description: Display IGMP status. In Fig. 4-29, the window shows VLAN ID fo

User Manual 91 Fig. 4-32 IGMP Status 4-3-6. Ping Status Function name: Ping Status Function description: To set up target IP address for ping fu

User Manual 92 Show the active target IP address. Status: Show the result of the ping status. Received replies: Sh

User Manual 93 4-4. Maintenance There are five functions contained in the maintenance function. Warm RestartFactory DefaultMaintena