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GS748T Software User Manual

Network Cabling

C-3

v2.0, April 2007

Figure C-1Straight-Through Twisted-Pair Cable

Figure C-2

illustrates crossover twisted pair cable.

Figure C-2Crossover Twisted-Pair Cable

Patch Panels and Cables

If you are using patch panels, make sure that they meet the 100BASE-TX requirements. Use
Category 5 UTP cable for all patch cables and work area cables to ensure that your UTP patch
cable rating meets or exceeds the distribution cable rating.

To wire patch panels, you need two Category 5 UTP cables with an RJ-45 plug at each end, as
shown in

Figure C-3

Содержание GS748TS - ProSafe 48 Port Gigabit Stackable Smart Switch

Страница 1: ...202 10233 01 April 2007 NETGEAR Inc 4500 Great America Parkway Santa Clara CA 95054 USA GS748T Software User Manual...

Страница 2: ...ons The Federal Office for Telecommunications Approvals has been notified of the placing of this equipment on the market and has been granted the right to test the series for compliance with the regul...

Страница 3: ...styr Radiolan overholder de v sentlige krav og vrige relevante krav i direktiv 1999 5 EF Deutsch German Hiermit erkl rt NETGEAR Inc dass sich das Ger t Radiolan in bereinstimmung mit den grundlegenden...

Страница 4: ...Alul rott NETGEAR Inc nyilatkozom hogy a Radiolan megfelel a vonatkoz alapvet k vetelm nyeknek s az 1999 5 EC ir nyelv egy b el r sainak Polski Polish Niniejszym NETGEAR Inc o wiadcza e Radiolan jest...

Страница 5: ...no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the eq...

Страница 6: ...Details Model Number GS748T Publication Date April 2007 Product Family Smart Switch Series Product Name GS748T Smart Switch Home or Business Product Business Language English Publication Part Number 2...

Страница 7: ...Interface 1 1 System Requirements 1 2 Chapter 2 Getting Started Smart Wizard Discovery Network with DHCP server 2 1 Network without DHCP Server 2 2 Manually Assigning Network Parameters 2 3 NIC Setti...

Страница 8: ...trolling Per port Packet Throughput 4 14 Storm Control Dropping Traffic that is Flooding a Port 4 15 Using Spanning Tree Protocol to Prevent Path Loops 4 15 Enabling Switch Management using SNMP 4 18...

Страница 9: ...rk Cabling Fast Ethernet Cable Guidelines C 1 Category 5 Cable C 1 Category 5 Cable Specifications C 2 Twisted Pair Cables C 2 Cabling C 4 Near End Cross Talk NEXT C 5 Patch Cables C 6 RJ 45 Plug and...

Страница 10: ...x v2 0 April 2007...

Страница 11: ...on in a network using its remaining factory default parameters However a greater level of configuration anywhere from the basic up to the maximum possible will give your network more advantage of its...

Страница 12: ...se notes detail the platform specific functionality of the Switching SNMP Config and Management packages Note Although this document applies to the NETGEAR GS748T Smart Switch some of the illustration...

Страница 13: ...navigate directly to where the topic is described in the manual A button to access the full NETGEAR Inc online knowledge base for the product model Links to PDF versions of the full manual and individ...

Страница 14: ...k the print icon in the upper left of your browser window Printing a PDF version of the Complete Manual Use the Complete PDF Manual link at the top left of any page Click the Complete PDF Manual link...

Страница 15: ...web browser instead of having to use expensive and complicated SNMP software products Simply by using your web browser you can monitor the performance of your switch and optimize its configuration for...

Страница 16: ...XP or Windows 2000 Switch to PC network cable crossover or straight connection via hub IBM type PC to run web management GUI RAM and disk requirement is not critical For running local or remote Web M...

Страница 17: ...etwork with DHCP server To install the switch in a network with a DHCP server proceed as follows 1 Connect the GS748T switch to a DHCP network 2 Power on the switch by connecting its power cord 3 Inst...

Страница 18: ...line that shows it Then click on the Web Access button The discovery utility displays a login window similar to the following Use your web browser to manage your switch The default password is passwor...

Страница 19: ...is 192 168 0 239 3 Install the Smart Wizard Discovery Utility program on your computer 4 Start the Smart Wizard Discovery utility 5 Click Discover for the Smart Wizard Discovery Utility to find your G...

Страница 20: ...nistrator privilege to change these settings 1 On your PC access the MS Windows operating system TCP IP Properties page as shown In MS Windows XP this is found in Control Panel Network Connections Loc...

Страница 21: ...Web Management Additional Utilities Alternatively from the main page of Figure 2 1 you can access the additional functions Password Change Firmware Upgrade Password Change You can set a new password o...

Страница 22: ...his procedure assumes that you have downloaded or otherwise obtained the firmware upgrade and that you have it available as a binary file on your computer This procedure uses the TFTP protocol to impl...

Страница 23: ...GS748T Software User Manual Getting Started Smart Wizard Discovery 2 7 v2 0 April 2007 Exit Click Exit from the Switch Setting section to close the Smart Wizard Discovery Utility program...

Страница 24: ...GS748T Software User Manual 2 8 Getting Started Smart Wizard Discovery v2 0 April 2007...

Страница 25: ...t Explorer 5 0 or later or Netscape Navigator 6 0 or later Starting Web Management This section describes setting browser interface options and using the home page for the GS748T Smart Switch This int...

Страница 26: ...Set up option selected from the navigation pane of the web interface Your host PC network parameters must then also be set back to match your network The NETGEAR Home Page and Switch Status Having co...

Страница 27: ...n of the functions available in the switch The material that follows in this manual describes these functions and how to configure them None of the switch parameters can be configured directly from th...

Страница 28: ...rsion DHCP whether enabled as service from the switch Network Parameters IP Address Subnet mask Default gateway MAC address System Name and Location Name user values Login Timeout System UpTime IP Acc...

Страница 29: ...rward Delay is a value for time spent in a discarding state before passing frames The Switch Status page displays the port settings for both 10 100 Mbps and 10 100 1000 Mbps ports To configure the por...

Страница 30: ...atus System Functions Under the System heading in the Navigation Pane there are four functions click on any one to enter the appropriate configuration screen Switch Status Gives a snapshot of the curr...

Страница 31: ...sword you must perform a factory reset of the switch to regain management access to it In this case you will lose your configuration settings because they are overwritten by factory default values How...

Страница 32: ...s and the switch reboots Factory Reset Factory Reset restores factory defaults when you want or make a major configuration change or need to regain management access to the switch Use this feature und...

Страница 33: ...Resetting the System Resetting reboots the embedded operating system To reset the switch for any reason either Power cycle it by disconnecting and reconnecting the power cord or Use the Reset button o...

Страница 34: ...GS748T Software User Manual 3 10 Basic Web Management v2 0 April 2007...

Страница 35: ...page contains a Switch Menu which enables you to manage your GS748T Smart Switch with features under the following main headings Port Configuration Statistics QoS VLAN Trunking Monitor MAC Address Tab...

Страница 36: ...ibutes per port by clicking a port ID number at the port setting menu 1 Click on Port Configuration in the Menu Sidebar the port configuration page appears 2 Click on a Port ID number in the first col...

Страница 37: ...et to 0 7 To activate the new settings click Apply Viewing Packet Statistics This page shows reports of packet traffic and packet errors The table headings meanings are explained as follows ID The por...

Страница 38: ...S Were dropped due to lack of resources 1 Click on Statistics in the main menu a Statistics page appears 2 Click on the Refresh button at the top of the page to obtain current statistics data 3 Click...

Страница 39: ...ration on page 4 2 IEEE 802 1p based QoS IEEE 802 1p based QoS enables the user to map each of the eight priority levels specified in IEEE 802 1p p0 to p7 to one of four hardware priority queues High...

Страница 40: ...e backward compatible with routers that only support IP precedence lack the 3 bit expansion field and are called Class selector DSCPs See the following diagram for the setting page for DCCP priorities...

Страница 41: ...ports A receiving switch associates the tagged frame with the VLAN and forwards it according to its own VLAN to port lookup table to all ports on the VLAN except the ingress port In this way a VLAN st...

Страница 42: ...e page you can create a new VLAN add new ports to an existing VLAN remove ports from an existing VLAN or delete a VLAN 2 Create a new VLAN Group From the VLAN Management pull down window select Add ne...

Страница 43: ...ears showing a VLAN selection window with a table that lists all of the ports with their VLAN membership 2 From the VLAN Management pull down window click on the VLAN ID that you want to reconfigure 3...

Страница 44: ...to assign all ports to membership of your VLAN 5 Click Apply Reconfiguring a Port based VLAN 1 From the main Navigation Pane menu select Switch VLAN VLAN Group Setting Port based VLAN a screen appears...

Страница 45: ...tches to work as one virtual link aggregate link to provide greater bandwidth than would be available by confining the traffic to a single port Trunks can be defined for similar port types only For ex...

Страница 46: ...activate the new setting Setting up Port Trunks 1 From the main Navigation Pane menu select Switch Trunking The Trunk Setting table is displayed 2 Check the boxes against the port numbers in the table...

Страница 47: ...s to be copied mirrored to your selected sniffer port which may be any port that is not a source port This traffic may be selected from transmitted egress frames received ingress frames or all frames...

Страница 48: ...0240 bytes 1 From the main Navigation Pane menu select Switch Advanced Jumbo Frame The Jumbo Frame Setting page is displayed 2 Select Enable or Disable on this page and click Apply Controlling Per por...

Страница 49: ...ed rate of those two types of packet If packets of the selected type arrive at a rate exceeding the threshold they are dropped Storm Control is disabled on every port by default To enable Storm Contro...

Страница 50: ...any server access request to be forwarded Fastlink mode can cause temporary loops in your network but the STP eliminates them Fastlink is best used on end node ports i e ports connected to PCs or ser...

Страница 51: ...Switch Advanced Spanning Tree The IEEE 802 1W RSTP Setting page shown in The following screen is displayed with a table of port numbers that can be set as enabled or disabled 2 Select Enable RSTP is...

Страница 52: ...you to limit the IP addresses from which the MIBs of the switch can be accessed and to which IPs the switch sends SNMP traps The switch only responds to requests from management computers whose IP add...

Страница 53: ...by MAC Address and VLAN ID A configuration page enables you to select the source MAC address and VLAN members that are allowed to access this switch If the VLAN mode for the switch is set up as Port b...

Страница 54: ...specifies how a host can register a router to receive specific multicast traf fic Configure the switch to use IGMP snooping in subnets that receive IGMP queries from either IGMP or the IGMP snooping...

Страница 55: ...groups is supported To define a multicast group 1 From the main Navigation Pane menu select Switch Multicast Static Multicast Group the Static Multicast Groups Setting page is displayed as shown belo...

Страница 56: ...GS748T Software User Manual 4 22 Configuring the Switch v2 0 April 2007...

Страница 57: ...1Q standards Table A 1 GS748T Smart Switch Specifications Feature Value Interfaces 48G P01 P48 Fiber Option 4 Mini GBIC Combo P45 P48 PoE N A Flash Memory Size 2MB SRAM Size and Type 16MB DDR Table A...

Страница 58: ...bled Port Trunking Aggregation 10 Disabled 802 1D Spanning Tree 1 Disabled 802 1w RSTP 1 Disabled IGMP Snooping 1 Disabled Static 802 1Q Tagging 256 VID 1 MemberPorts 1 48 Port Based Private VLAN 48X1...

Страница 59: ...mbo frame 48 per port Disabled Table A 7 System Setup Feature Sets Supported Default DHCP Manual IP 1 192 168 0 239 System Name Configuration 1 NULL Configuration Save Restore 1 N A Firmware Upgrade 1...

Страница 60: ...GS748T Software User Manual A 4 Specifications and Default Values v2 0 April 2007 Smart Wizard N A Enabled Statistics 48 per port N A Table A 9 Management Feature Sets Supported Default...

Страница 61: ...ilding Yet if they are all assigned to a single VLAN they can share resources and bandwidth as if they were connected to the same segment The resources of other departments can be invisible to the mar...

Страница 62: ...switch are either tagged or untagged depending on the setting for that port s VLAN membership properties A U for a given port means that packets leaving the switch from that port are Untagged Inversel...

Страница 63: ...For Port 5 the outgoing packet leaves as a tagged packet with a VLAN tag value of 20 Port based VLANs Port based VLANs help to confine broadcast traffic to the switch ports This switch allows up to 26...

Страница 64: ...or IT department to monitor and control activities on all other VLANs VLAN 2 Port 1 Port 8 for Sales department port 7 and 8 connect to file archives and printer server VLAN 3 Port 7 Port 14 for Marke...

Страница 65: ...he following specifications Certification Ensure that your Category 5 UTP cable has completed the Underwriters Laboratories UL or Electronic Testing Laboratories ETL certification process Termination...

Страница 66: ...sually media dependent interface ports called MDI or uplink ports Most repeaters and switch ports are configured as media dependent interfaces with built in crossover ports called MDI X or normal port...

Страница 67: ...ed Pair Cable Patch Panels and Cables If you are using patch panels make sure that they meet the 100BASE TX requirements Use Category 5 UTP cable for all patch cables and work area cables to ensure th...

Страница 68: ...as a guide to correct cabling for 1000BASE T Cabling The 1000BASE T product is designed to operate over Category 5 cabling To further enhance the operation the cabling standards have been amended The...

Страница 69: ...of transition points as there is a connection via an RJ 45 to another connector a patch panel or device at each transition point Removing the jacket that surrounds the four pairs of twisted cable It...

Страница 70: ...RJ 45 connector is used to connect stations hubs and switches through UTP cable it supports 10 Mbps 100 Mbps or 1000 Mbps data transmission Figure C 4 shows an RJ 45 plug and RJ 45 jack Table C 2 list...

Страница 71: ...1995 Category 5 specifications Install Category 5e cable where possible including patch panel cables Minimize transition points jacket removal and untwisted lengths Cable bundles must be properly inst...

Страница 72: ...GS748T Software User Manual C 8 Network Cabling v2 0 April 2007...

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