D-Link 3308TG - Switch User's Guide

DGS-3308 Series 8-Port Gigabit Layer 3 Switch User’s Guide First Edition (December 2001) 651FG3308015 Printed In Taiwan RECYCLABLE

Remote Management Setup...

8-port Gigabit Ethernet Switch User’s Guide 90 Figure 6-36. IGMP Snooping screen To edit a VLAN’s IGMP Snooping Settings: • Switch IGMP Snooping:

8-port Gigabit Ethernet Switch User’s Guide 91 address remain in the IGMP address table. The default value is 260 seconds. To set the age-out timer fo

8-port Gigabit Ethernet Switch User’s Guide 92 Static Router Port Note: There is no difference between the setup of a ‘router port’ in Layer 2 Only m

8-port Gigabit Ethernet Switch User’s Guide 93 port of the Layer 3 switch would not be able to receive UDP data streams at all of its ports unless the

8-port Gigabit Ethernet Switch User’s Guide 94 Figure 6-40. IP Multicast Settings menu Multicast Interface Configuration To configure the multicas

8-port Gigabit Ethernet Switch User’s Guide 95 • Interface Name:[ ] – Enter the name of the IP interface that is to be configured for multicasti

8-port Gigabit Ethernet Switch User’s Guide 96 • Robustness Var:[ ] – This is a tuning variable to allow for subnetworks that are expected to lose

8-port Gigabit Ethernet Switch User’s Guide 97 Figure 6-44. DVMRP Interface Configuration screen • Interface Name:[ ] – Enter the name

8-port Gigabit Ethernet Switch User’s Guide 98 • Route Metric:[1 ] – This field allows an entry between 1 and 255 and defines the route cost for th

8-port Gigabit Ethernet Switch User’s Guide 99 Note: The Protocol Independent Multicast – Dense Mode (PIM-DM) protocol should be used in networks wi

8-port Gigabit Ethernet Switch User’s Guide 1 ABOUT THIS GUIDE This User’s guide tells you how to install your DGS-3308, how to connect it to your Eth

8-port Gigabit Ethernet Switch User’s Guide 100 Highlight Static Router Port Settings from the Multicasting Menu and press Enter. Figure 6-46. Stat

8-port Gigabit Ethernet Switch User’s Guide 101 Mirroring To configure a port for port mirroring, highlight Mirroring from the Main Menu and press Ent

8-port Gigabit Ethernet Switch User’s Guide 102 Figure 6-48. Target Port Selection screen The target port is the port where information will be du

8-port Gigabit Ethernet Switch User’s Guide 103 The Action:< > field can be toggled between Add/Modify and Delete using the space bar. Entr

8-port Gigabit Ethernet Switch User’s Guide 104 Filtering Layer 2 Filtering Layer 2 Only switch operation mode. To enter a MAC address into the filter

8-port Gigabit Ethernet Switch User’s Guide 105 Figure 6-52. Setup MAC Address Filter screen The Action:< > field can be toggled betwe

8-port Gigabit Ethernet Switch User’s Guide 106 Figure 6-53. Filtering Menu To enter a MAC address into the filtering table, highlight MAC Address

8-port Gigabit Ethernet Switch User’s Guide 107 The Source/Destination: < > field can be toggled between Src. (source), Dst. (destination),

8-port Gigabit Ethernet Switch User’s Guide 108 Forwarding Layer 2 Forwarding Layer 2 Only switch operation mode To enter a MAC address into the switc

8-port Gigabit Ethernet Switch User’s Guide 109 Figure 6-57. MAC Address Forwarding screen The Action:< > field can be toggled between Add

8-port Gigabit Ethernet Switch User’s Guide 2 11 INTRODUCTION This section describes the Layer 3 functionality and Layer 2 and Layer 3 features of th

8-port Gigabit Ethernet Switch User’s Guide 110 Figure 6-58. Forwarding Menu Highlight MAC Address Forwarding and press Enter. Figure 6-59. MA

8-port Gigabit Ethernet Switch User’s Guide 111 Highlight APPLY and press enter to make the changes current. Use Save Changes from the Main Menu to en

8-port Gigabit Ethernet Switch User’s Guide 112 Figure 6-61. Setup Static ARP Entries screen The Action:< > field can be toggled between A

8-port Gigabit Ethernet Switch User’s Guide 113 Figure 6-62. Configure Spanning Tree screen Note: The Spanning Tree Protocol (STP) operates on t

8-port Gigabit Ethernet Switch User’s Guide 114 Max. Age  2 x (Hello Time + 1 second) Port Group Spanning Tree Settings In addition to setting Spanni

8-port Gigabit Ethernet Switch User’s Guide 115 Figure 6-64. STP Port Settings screen The STP port settings that can be configured are: • Config

8-port Gigabit Ethernet Switch User’s Guide 116 Load balancing is automatically applied to the links in the port trunk group, and a link failure withi

8-port Gigabit Ethernet Switch User’s Guide 117 Switch Utilities Layer 2 Switch Utilities To access the Switch Utilities menu, highlight Utilities fro

8-port Gigabit Ethernet Switch User’s Guide 118 Figure 6-67. Upgrade Firmware from TFTP Server screen Enter the server IP address and the path and

8-port Gigabit Ethernet Switch User’s Guide 119 Figure 6-68. Download Configuration File from TFTP Server screen Enter the IP address of the serve

8-port Gigabit Ethernet Switch User’s Guide 3 installed. Many network segments display poor performance, but the Ethernet wire is only carrying a frac

8-port Gigabit Ethernet Switch User’s Guide 120 Figure 6-69. Upload Configuration File to TFTP Server screen Enter the IP address of the server an

8-port Gigabit Ethernet Switch User’s Guide 121 Figure 6-70. Save Log to TFTP Server screen Enter the IP address of the server and the path and fi

8-port Gigabit Ethernet Switch User’s Guide 122 Figure 6-71. Ping screen Enter the IP address of the network device to be Pinged and the number of

8-port Gigabit Ethernet Switch User’s Guide 123 Figure 6-72. Switch Utilities menu Highlight BOOTP/DHCP Relay on the Switch Utilities menu and pre

8-port Gigabit Ethernet Switch User’s Guide 124 limit, the packet is dropped. The range is between 1 and 16 hops, with a default value of 4. The relay

8-port Gigabit Ethernet Switch User’s Guide 125 Figure 6-75. DNS Relay screen The DNSR Status <Disabled> can be toggled between Disabled and

8-port Gigabit Ethernet Switch User’s Guide 126 Figure 6-76. DNS Relay – Static table configuration screen The Action:<Add/Modify> field c

8-port Gigabit Ethernet Switch User’s Guide 127 Figure 6-77. Network Monitoring Menu Port Utilization To view the port utilization, highlight Port

8-port Gigabit Ethernet Switch User’s Guide 128 The Port Utilization screen shows the number of packets transmitted and received per second and calc

8-port Gigabit Ethernet Switch User’s Guide 129 Figure 6-80. Port Packet Analysis screen In addition to the size of packets received or transmitte

8-port Gigabit Ethernet Switch User’s Guide 4 • Per device packet buffer: 512Kbytes. • RS-232 DCE Diagnostic port (console port) for setting up and

8-port Gigabit Ethernet Switch User’s Guide 130 Figure 6-81. Browse MAC Address Table screen The Browse By:<ALL > field can be toggled bet

8-port Gigabit Ethernet Switch User’s Guide 131 Figure 6-82. IGMP Snooping screen Switch History To view the switch history log, highlight Switch

8-port Gigabit Ethernet Switch User’s Guide 132 Layer 3 Network Monitoring When the Switch is in Layer 3 (IP Routing) mode, several items are added to

8-port Gigabit Ethernet Switch User’s Guide 133 Figure 6-85. Browse IP Address screen To display a particular IP address, enter the IP address in

8-port Gigabit Ethernet Switch User’s Guide 134 Figure 6-86. Routing Table screen To display a particular Destination IP address, enter the IP add

8-port Gigabit Ethernet Switch User’s Guide 135 Figure 6-87. ARP Table screen To display a particular IP interface or an IP address, enter the IP

8-port Gigabit Ethernet Switch User’s Guide 136 Figure 6-88. Browse Router Port screen To display a particular router port, enter the VLAN ID numb

8-port Gigabit Ethernet Switch User’s Guide 137 Figure 6-89. Browse IP Multicast Forwarding Table screen To display a particular multicast group,

8-port Gigabit Ethernet Switch User’s Guide 138 Figure 6-90. IGMP Group Table screen To display an IGMP Group Table, enter the name of the routing

8-port Gigabit Ethernet Switch User’s Guide 139 Figure 6-91. DVMRP Routing Table screen To display a particular source IP address, enter the IP ad

8-port Gigabit Ethernet Switch User’s Guide 5 • Supports IP packet de-fragmentation. • Supports Path MTU discovery. • Supports 802.1D frame support

8-port Gigabit Ethernet Switch User’s Guide 140 Figure 6-92. Reboot menu The reboot options are as follows: • Reboot simply restarts the switch.

8-port Gigabit Ethernet Switch User’s Guide 141 Figure 6-93. Reboot screen To reboot the Switch, in the mode entered above, highlight Yes and pres

8-port Gigabit Ethernet Switch User’s Guide 142 77 WEB-BASED NETWORK MANAGEMENT Introduction The DGS-3308 offers an embedded Web-based (HTML) interfa

8-port Gigabit Ethernet Switch User’s Guide 143 3. Determine which network resources must be shared by the subnets. Shared resources may be connected

8-port Gigabit Ethernet Switch User’s Guide 144 Existing WAN or Internet connections will probably have a router to connect the interface device to th

8-port Gigabit Ethernet Switch User’s Guide 145 Figure 7-3. User Accounts Control Table – Add screen 1. Enter the new user name, assign an initia

8-port Gigabit Ethernet Switch User’s Guide 146 After establishing a User Account with Root-level privileges, click Apply and then press Save Chan

8-port Gigabit Ethernet Switch User’s Guide 147 Figure 7-5. Factory Reset to Default Value screen Select Yes if you want the Switch to retain its

8-port Gigabit Ethernet Switch User’s Guide 148 1. Starting at the main window of the User Interface, click Configuration and then press Switch IP Se

8-port Gigabit Ethernet Switch User’s Guide 149 Figure 7-6. Save Changes screen Starting and Stopping the Web-based Manager Do the following to us

8-port Gigabit Ethernet Switch User’s Guide 6 • BOOTP support. • IP filtering on the management interface. • DHCP Client support. • DHCP Relay Age

8-port Gigabit Ethernet Switch User’s Guide 150 Areas of the User Interface The figure below shows the user interface. The user interface is divided i

8-port Gigabit Ethernet Switch User’s Guide 151

8-port Gigabit Ethernet Switch User’s Guide 152 Layer 2 Mode

8-port Gigabit Ethernet Switch User’s Guide 153

8-port Gigabit Ethernet Switch User’s Guide 154

8-port Gigabit Ethernet Switch User’s Guide 155 Switch IP Setup Use the IP Setup window to set the boot-up option, or to manually configure the IP add

8-port Gigabit Ethernet Switch User’s Guide 156 Figure 7-10. Switch Information – Basic Settings screen Items on the screen above include: • Devi

8-port Gigabit Ethernet Switch User’s Guide 157 Figure 7-11. Power Supply & Cooling Fan Status screen Configure Ports You can select a port to

8-port Gigabit Ethernet Switch User’s Guide 158 • Flow Control – Allows flow control to be Enabled or Disabled for the selected port. • Configure

8-port Gigabit Ethernet Switch User’s Guide 159 Layer 2 Switch Settings Note: Layer 2 Switch functions and settings are also available when the Switch

8-port Gigabit Ethernet Switch User’s Guide 7 22 UNPACKING AND SETUP This chapter provides unpacking and setup information for the Switch. Unpacking

8-port Gigabit Ethernet Switch User’s Guide 160 • Rx Mode – Displays whether received RIP packets will be interpreted as RIP version Rip V1, Rip V2,

8-port Gigabit Ethernet Switch User’s Guide 161 Note: A VLAN that does not have a corresponding IP interface defined for it, will function as a Layer

8-port Gigabit Ethernet Switch User’s Guide 162 • Interface Name – A name given to identify this IP interface. • IP Address – The IP address of thi

8-port Gigabit Ethernet Switch User’s Guide 163 Figure 7-20. 802.1Q Static VLANs Entry Settings – Edit screen Items on the screen above include: •

8-port Gigabit Ethernet Switch User’s Guide 164 Port VLAN ID (PVID) The Port VLAN ID is used by the port to tag outgoing, untagged packets, and to mak

8-port Gigabit Ethernet Switch User’s Guide 165 Port GVRP Settings The following read-only window is used to configure the Port Group VLAN Registratio

8-port Gigabit Ethernet Switch User’s Guide 166 Figure 7-26. Setup IEEE 802.1Q Multicast Forwarding screen Items on the screen above include: • M

8-port Gigabit Ethernet Switch User’s Guide 167 • Switch IGMP Snooping – This enables or disables IGMP snooping on the Switch. • Querier State – Se

8-port Gigabit Ethernet Switch User’s Guide 168 Figure 7-29. IGMP Interface Configuration screen Items on the screen above include: • Interface N

8-port Gigabit Ethernet Switch User’s Guide 169 • Interface – The name of the IP interface that the IGMP static member belongs to. • IGMP Static Gr

8-port Gigabit Ethernet Switch User’s Guide 8 Figure 2-1. Installing rubber feet for desktop installation Rack Installation The DGS-3308 can be

8-port Gigabit Ethernet Switch User’s Guide 170 Figure 7-32. DVMRP Interface Configuration screen Items on the screen above include: • Interface

8-port Gigabit Ethernet Switch User’s Guide 171 Figure 7-33. PIMDM Interface Configuration screen Items on the screen above include: • Interface

8-port Gigabit Ethernet Switch User’s Guide 172 • VID – The VLAN ID of the VLAN the static router port resides on. • Port Members – The ports that

8-port Gigabit Ethernet Switch User’s Guide 173 MAC Address Priority Figure 7-36. Setup MAC Address Priority screen Items on the screen above incl

8-port Gigabit Ethernet Switch User’s Guide 174 The Target Port Selection window can be used to designate a single RJ-45 port pair for mirroring as sh

8-port Gigabit Ethernet Switch User’s Guide 175 • Direction – Allows the specification of which packets will be mirrored based upon whether the pack

8-port Gigabit Ethernet Switch User’s Guide 176 Figure 7-40. STP Group Configuration – Add screen Items on the screen above include: • Group Name

8-port Gigabit Ethernet Switch User’s Guide 177 • Priority:[0..65535] – Device priority used in selecting the root device, root port, and designated

8-port Gigabit Ethernet Switch User’s Guide 178 Figure 7-41. STP Group Configuration - Edit screen Items on the screen above include: • Group Nam

8-port Gigabit Ethernet Switch User’s Guide 179 Figure 7-42. STP Port Settings screen Items on the screen above include: • Cost – A port cost can

8-port Gigabit Ethernet Switch User’s Guide 9 Figure 2-2B. Installing the Switch on an equipment rack Power on The DGS-3308 can be used with AC p

8-port Gigabit Ethernet Switch User’s Guide 180 • Enable the trunk prior to connecting any cable between the switches to avoid creating a data loop.

8-port Gigabit Ethernet Switch User’s Guide 181 MAC Forwarding Figure 7-44. MAC Address Forwarding screen Items on the screen above include: Add a

8-port Gigabit Ethernet Switch User’s Guide 182 • IP Address – Displays the IP addresses statically entered into the IP forwarding table. • Subnet

8-port Gigabit Ethernet Switch User’s Guide 183 Figure 7-47. Static ARP screen Items on the screen above include: • Interface Name – Displays the

8-port Gigabit Ethernet Switch User’s Guide 184 MAC Filtering Figure 7-49. Setup MAC Address Filter screen Items on the screen above include: Add

8-port Gigabit Ethernet Switch User’s Guide 185 Figure 7-50. Filter Address Setup screen Filter Address Table Items on the screen above include: •

8-port Gigabit Ethernet Switch User’s Guide 186 Figure 7-51. BOOTP/DHCP Relay screen Items on the screen above include: • BOOTP/DHCP Relay Status

8-port Gigabit Ethernet Switch User’s Guide 187 • Interface Name – The subnet name, or IP interface name, of the network that the BOOTP server is loc

8-port Gigabit Ethernet Switch User’s Guide 188 The following window is used to set up the static DNS Relay function on the Switch. Figure 7-54. S

8-port Gigabit Ethernet Switch User’s Guide 189 Figure 7-55. Management Station IP Settings screen The item on the screen above is: • IP Address

Wichtige Sicherheitshinweise 1. Bitte lesen Sie sich diese Hinweise sorgfältig durch. 2. Heben Sie diese Anleitung für den spätern Gebrauch auf.

8-port Gigabit Ethernet Switch User’s Guide 10 33 IDENTIFYING EXTERNAL COMPONENTS This chapter describes the front panel, rear panel, and LED indicat

8-port Gigabit Ethernet Switch User’s Guide 190 • Rights – Specifies the level of access for an authorized user. The levels can be Read, for read onl

8-port Gigabit Ethernet Switch User’s Guide 191 Items on the screen above include: • User Name – The name given to identify the user account. • Acc

8-port Gigabit Ethernet Switch User’s Guide 192 Enter the old password, the new password, and then confirm the new password. Determine whether the new

8-port Gigabit Ethernet Switch User’s Guide 193 • Time Out – Specifies length of time a Telnet session can be idle. When this time has expired, the S

8-port Gigabit Ethernet Switch User’s Guide 194 Figure 7-63. Port Error Packet screen Items on the screen above include: • Update Interval – Th

8-port Gigabit Ethernet Switch User’s Guide 195 • Drop Pkts – The total number of events in which packets were dropped due to a lack of resources. •

8-port Gigabit Ethernet Switch User’s Guide 196 • Frame Size/Type – The size in octets (bytes) of frames transferred through the switch. • Frames –

8-port Gigabit Ethernet Switch User’s Guide 197 Address Table The following section describes how to browse the Switch’s address tables. Browse MAC Ad

8-port Gigabit Ethernet Switch User’s Guide 198 Figure 7-66. Browse MAC Address Table screen Items on the screen above include: • MAC Address Agi

8-port Gigabit Ethernet Switch User’s Guide 199 Figure 7-67. IP Address Table screen To display a particular IP address, enter the IP address in t

8-port Gigabit Ethernet Switch User’s Guide 11 • The AC power connector is a standard three-pronged connector that supports the power cord. Plug-in t

8-port Gigabit Ethernet Switch User’s Guide 200 Figure 7-68. Routing Table screen To display a particular Destination IP address, enter the IP add

8-port Gigabit Ethernet Switch User’s Guide 201 Figure 7-69. ARP Table screen To browse the ARP table, enter the IP interface name in the first fi

8-port Gigabit Ethernet Switch User’s Guide 202 Figure 7-70. GVRP Status screen Browse Router Port A static router port is simply a port that has

8-port Gigabit Ethernet Switch User’s Guide 203 • Port Members – Ports that are router ports, both statically and dynamically assigned. IGMP Snoopin

8-port Gigabit Ethernet Switch User’s Guide 204 IGMP Group Table The Web Manager allows you to display an IGMP Group Table. Figure 7-74. IGMP Grou

8-port Gigabit Ethernet Switch User’s Guide 205 Figure 7-76. Switch History screen Items on the screen above include: • Sequence # – A counter in

8-port Gigabit Ethernet Switch User’s Guide 206 Upgrade Firmware from TFTP Server Note: The TFTP server must be on the same IP subnet as the Switch. T

8-port Gigabit Ethernet Switch User’s Guide 207 Figure 7-79. Upload Configuration File to TFTP Server screen Items on the screen above include: •

8-port Gigabit Ethernet Switch User’s Guide 208 Figure 7-81. Save Changes screen Once the Switch configuration settings have been saved to NV-RAM,

8-port Gigabit Ethernet Switch User’s Guide 209 Restart System The following menu is used to restart (reboot) the Switch. Click Yes to save the curren

8-port Gigabit Ethernet Switch User’s Guide 12 44 CONNECTING THE SWITCH This chapter describes how to connect the DGS-3308FG/DGS-3308TG to your Gigab

8-port Gigabit Ethernet Switch User’s Guide 210 AA TECHNICAL SPECIFICATIONS General Standards: IEEE 802.3 10BASE-T Ethernet (DGS-3308TG) IEEE 802.3

8-port Gigabit Ethernet Switch User’s Guide 211 General 1000BASE-LX: Fiber Optic: 50µm and 62.5µm multi-mode fiber or 10µm single-mode fiber IEC 79

8-port Gigabit Ethernet Switch User’s Guide 212 Performance Forwarding Table Age Time: Max age: 10–1000000 seconds. Default = 300. IP Address 2K

8-port Gigabit Ethernet Switch User’s Guide 213 BB RJ-45 PIN SPECIFICATION When connecting the Switch to another switch, a bridge or a hub, a normal

8-port Gigabit Ethernet Switch User’s Guide 214 CC RUNTIME SWITCHING SOFTWARE DEFAULT SETTINGS Load Mode Ethernet Switch Operation Mode Layer 2 Con

8-port Gigabit Ethernet Switch User’s Guide 215 DD UNDERSTANDING AND TROUBLESHOOTING THE SPANNING TREE PROTOCOL When the spanning-tree algorithm dete

8-port Gigabit Ethernet Switch User’s Guide 216 Listening State The listening state is the first transition for a port from the blocking state. Listen

8-port Gigabit Ethernet Switch User’s Guide 217 Learning State A port in the learning state prepares to participate in frame forwarding. The port ente

8-port Gigabit Ethernet Switch User’s Guide 218 A port in the forwarding state does the following: • Forwards packets received from the network segme

8-port Gigabit Ethernet Switch User’s Guide 219 • Does not add addresses to its forwarding database. • Receives BPDUs, but does not direct them to t

8-port Gigabit Ethernet Switch User’s Guide 13 Figure 4-2. Switch to switch connection

8-port Gigabit Ethernet Switch User’s Guide 220 In this example, B has been elected as the designated bridge and port 2 on C is in the blocking state

8-port Gigabit Ethernet Switch User’s Guide 221 In the above example, port 1 on B is configured as a full-duplex port and port 1 on A is either config

8-port Gigabit Ethernet Switch User’s Guide 222 converge. If the CPU is over-utilized, it is possible that BPDUs may not be sent in a timely fashion.

8-port Gigabit Ethernet Switch User’s Guide 223 This is a common network design. The switches C and D have redundant links to the backbone switches A

8-port Gigabit Ethernet Switch User’s Guide 224 In this example, the VLAN definitions are extended to switches A and B. This gives only a single blo

8-port Gigabit Ethernet Switch User’s Guide 225 Using layer 3 switches and IP routing eliminates the need for STP port blocking because the packets a

8-port Gigabit Ethernet Switch User’s Guide 226 EE BRIEF REVIEW OF BITWISE LOGICAL OPERATIONS AND The logical AND operation compares 2 bits and if

8-port Gigabit Ethernet Switch User’s Guide 227 INDEX A AC inputs ...216

8-port Gigabit Ethernet Switch User’s Guide 228 NV-RAM...62, 149 O Operating

Offices Australia D-Link Australasia Unit 16, 390 Eastern Valley Way, Roseville, NSW 2069 Australia TEL: 61-2-9417-7100 FAX: 61-2-9417-1077

8-port Gigabit Ethernet Switch User’s Guide 14 55 SWITCH MANAGEMENT AND OPERATING CONCEPTS This chapter discusses many of the concepts and features u

Netherlands D-Link Benelux Fellenoord 1305611 ZB, Eindhoven, the Netherlands TEL: 31-40-2668713 FAX: 31-40-2668666 URL: www.d-link-benelux.

Registration Card Print, type or use block letters. Your name: Mr./Ms ___________________________________________________________________________

8-port Gigabit Ethernet Switch User’s Guide 15 • Data width: 8 bits • Parity: none • Stop bits: 1 • Flow Control

8-port Gigabit Ethernet Switch User’s Guide 16 Figure 5-2. Switch Information screen In addition, you can also set an IP Address for a gateway rou

8-port Gigabit Ethernet Switch User’s Guide 17 • Cold Start – This trap signifies that the Switch has been powered up and initialized such that softw

8-port Gigabit Ethernet Switch User’s Guide 18 Authentication The authentication protocol ensures that both the router SNMP agent and the remote user

8-port Gigabit Ethernet Switch User’s Guide 19 Some filtering requires the manual entry of information into a filtering table: • MAC address filterin

WARRANTIES EXCLUSIVE IF THE D-LINK PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE, THE CUSTOMER'S SOLE REMEDY SHALL BE, AT D-LINK'S OPTION, R

8-port Gigabit Ethernet Switch User’s Guide 20 Eight binary bits are called a ‘byte’ or an ‘octet’. An octet can represent any decimal value between ‘

8-port Gigabit Ethernet Switch User’s Guide 21 Subnet Masking A subnet mask can be applied to an IP address to identify the network and the node parts

8-port Gigabit Ethernet Switch User’s Guide 22 Classless InterDomain Routing – CIDR Under CIDR, the subnet mask notation is reduced to a simplified sh

8-port Gigabit Ethernet Switch User’s Guide 23 2 Table 5-3. Class B Subnet Masks # of Bits Subnet Mask CIDR Notation # of Subnets # of Hosts Total

8-port Gigabit Ethernet Switch User’s Guide 24 • Untagging – The act of stripping 802.1Q VLAN information out of the packet header. • Ingress port

8-port Gigabit Ethernet Switch User’s Guide 25 Figure 5-3. IEEE 802.1Q Packet Forwarding 802.1Q VLAN Tags The figure below shows the 802.1Q VLAN t

8-port Gigabit Ethernet Switch User’s Guide 26 The EtherType and VLAN ID are inserted after the MAC source address, but before the originial EtherType

8-port Gigabit Ethernet Switch User’s Guide 27 Ingress Filtering A port on a switch where packets are flowing into the switch and VLAN decisions must

8-port Gigabit Ethernet Switch User’s Guide 28 An example is presented below: VLAN Name VID Switch Ports System (default) 1 5 Engineering 2 6, 7

8-port Gigabit Ethernet Switch User’s Guide 29 This automatic network reconfiguration provides maximum uptime to network users. However, the concepts

documentation as being compatible. D-Link's obligation under this warranty shall be a reasonable effort to provide compatibility, but D-Link s

8-port Gigabit Ethernet Switch User’s Guide 30 greater chance of a given switch being elected as the root bridge Hello Time The length of time betwe

8-port Gigabit Ethernet Switch User’s Guide 31 • The port identifier of the transmitting port The switch sends BPDUs to communicate and construct the

8-port Gigabit Ethernet Switch User’s Guide 32 • From learning to forwarding or to disabled • From forwarding to disabled • From disabled to blocki

8-port Gigabit Ethernet Switch User’s Guide 33 User-Changeable STA Parameters The factory default setting should cover the majority of installations.

8-port Gigabit Ethernet Switch User’s Guide 34 Figure 5-7. Before Applying the STA Rules In this example, only the default STP values are used.

8-port Gigabit Ethernet Switch User’s Guide 35 Protocol Layering The task of connecting users to networks, and then networks to networks, is made some

8-port Gigabit Ethernet Switch User’s Guide 36 Using the protocol layering model to visualize the organization of the network software, Layer 2 repres

8-port Gigabit Ethernet Switch User’s Guide 37 Layer 1 Layer 2 This is commonly called the switching layer. It allows for the addressing of end statio

8-port Gigabit Ethernet Switch User’s Guide 38 TCP/IP Transmission Control Protocol/Internet Protocol (TCP/IP) is the official name of a suite of prot

8-port Gigabit Ethernet Switch User’s Guide 39 Connection 1 1234, 21 10.42.73.23 210.128.12.1 Connection 2 1235, 21 10.42.73.23 210.128.12.1 So

D-Link Offices for Registration and Warranty Service The product's Registration Card, provided at the back of this manual, must be sent to a D-

8-port Gigabit Ethernet Switch User’s Guide 40 The TCP header is added to the beginning of each packet. This header contains at least 20 octets includ

8-port Gigabit Ethernet Switch User’s Guide 41 Figure 5-12. IP Packet Header Flags and Fragment Offset are used when a packet must be divided into

8-port Gigabit Ethernet Switch User’s Guide 42 IP removes the IP header. It looks at the IP protocol field. Since the protocol type is TCP, it passes

8-port Gigabit Ethernet Switch User’s Guide 43 The software in a traditional router (or the hardware in a layer 3 switch) is designed to forward packe

8-port Gigabit Ethernet Switch User’s Guide 44 Figure 5-14. Class D Multicast Address Some of the assigned IP multicast addresses: Address Assignme

8-port Gigabit Ethernet Switch User’s Guide 45 Internet Group Management Protocol (IGMP) Computers and network devices that want to receive multicast

8-port Gigabit Ethernet Switch User’s Guide 46 The states a computer will go through to join or to leave a multicast group are shown below: Figure

8-port Gigabit Ethernet Switch User’s Guide 47 Reverse Path Broadcasting (RPB) The RPB algorithm is a modification of the spanning tree algorithm. Ins

8-port Gigabit Ethernet Switch User’s Guide 48 Multicast Routing Protocols This section gives a brief review of two multicast routing protocols – the

8-port Gigabit Ethernet Switch User’s Guide 49 RIP specifies a few rules to improve performance and reliability. Once a router learns a route from ano

FCC Warning This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules.

8-port Gigabit Ethernet Switch User’s Guide 50 RIP Version 1 Message Format RIP messages can be classified into two types: routing information message

8-port Gigabit Ethernet Switch User’s Guide 51 10 Update Response 11 Update Acknowledgement Table 5-12. RIP Command Codes A router or host can ask

8-port Gigabit Ethernet Switch User’s Guide 52 RIP2 Message Format The message format used with RIP2 is an extension of the RIP1 format, with addition

8-port Gigabit Ethernet Switch User’s Guide 53 Consider, for example, a typical corporate intranet. Most use a hierarchy that consists of a high-speed

8-port Gigabit Ethernet Switch User’s Guide 54 66 CONFIGURING THE SWITCH USING THE CONSOLE INTERFACE Your 8-port Gigabit Ethernet Layer 3 Switch supp

8-port Gigabit Ethernet Switch User’s Guide 55 5. Develop a security scheme. Some subnets on the network need more security or should be isolated fro

8-port Gigabit Ethernet Switch User’s Guide 56 Connecting to the Switch You can use the console interface by connecting the Switch to a VT100-compatib

8-port Gigabit Ethernet Switch User’s Guide 57 Figure 6-1. Initial screen, first time connecting to the Switch Note: There is no initial username

8-port Gigabit Ethernet Switch User’s Guide 58 Figure 6-2. Main Menu Note: The first user automatically gets Root privileges (See Table 6-1). It i

8-port Gigabit Ethernet Switch User’s Guide 59 Figure 6-3. Main Menu Figure 6-4. Setup User Accounts screen User Accounts Management From the Main

Table of Contents About This Guide...

8-port Gigabit Ethernet Switch User’s Guide 60 1. Toggle the Action:< > field to <Add> using the space bar. This will allow the additi

8-port Gigabit Ethernet Switch User’s Guide 61 Some settings, though, require you to restart the switch before they will take effect. Restarting the S

8-port Gigabit Ethernet Switch User’s Guide 62 Once the Switch configuration settings have been saved to NV-RAM, they become the default settings for

8-port Gigabit Ethernet Switch User’s Guide 63 Figure 6-8. Reboot screen Highlight Yes and press Enter to complete the desired option from the Sys

8-port Gigabit Ethernet Switch User’s Guide 64 Figure 6-9. Setup Users Accounts screen 1. Toggle the Action:<Add> field using the space bar

8-port Gigabit Ethernet Switch User’s Guide 65 Highlight Setup User Accounts from the Main Menu. The current user accounts can be read from the Setup

8-port Gigabit Ethernet Switch User’s Guide 66 Switch Information Highlight Switch Information from the Main Menu and press Enter: Figure 6-11. Sw

8-port Gigabit Ethernet Switch User’s Guide 67 Figure 6-12. Power Supply and Cooling Fan Status screen IP Setup Some settings must be entered to a

8-port Gigabit Ethernet Switch User’s Guide 68 Figure 6-13. IP Setup screen Configuring the Switch’s IP Address The Switch needs to have an IP a

8-port Gigabit Ethernet Switch User’s Guide 69 § Subnet Mask – A Bitmask that determines the extent of the subnet that the Switch is on. Should be of

Internet Group Management Protocol (IGMP)...

8-port Gigabit Ethernet Switch User’s Guide 70 Setup Trap Recipients Figure 6-15. Setup Trap Recipients screen Configure Ports Highlight Configur

8-port Gigabit Ethernet Switch User’s Guide 71 Figure 6-16. Configure Ports screen To configure a specific port, toggle the Configure Port from [

8-port Gigabit Ethernet Switch User’s Guide 72 Figure 6-17. Serial Port Settings screen The following fields can then be set: • Baud Rate – Sets

8-port Gigabit Ethernet Switch User’s Guide 73 2. IP Routing with IEEE 802.1Q VLAN support: the switching process is based upon the IP source and des

8-port Gigabit Ethernet Switch User’s Guide 74 Figure 6-19. Switch Mode Selection screen The field Select switch operation mode:< > can

8-port Gigabit Ethernet Switch User’s Guide 75 Switch Settings – IP Routing Mode Once the Switch is configured for IP Routing (Layer 3 Switching), and

8-port Gigabit Ethernet Switch User’s Guide 76 Figure 6-22. Main Menu – Layer 2 Switching Mode Layer 2 Switch Settings Note: Layer 2 Switch funct

8-port Gigabit Ethernet Switch User’s Guide 77 Figure 6-23. Layer 2 Switch Settings screen The following fields can then be set: • Switch GVRP: &

8-port Gigabit Ethernet Switch User’s Guide 78 Figure 6-24. Setup Layer 3 – IP Networking menu Now highlight Setup RIP Configuration from the Setu

8-port Gigabit Ethernet Switch User’s Guide 79 • Interface name:[ ] – The name of the IP interface on which RIP is to be setup. This interface m

Layer 2 Switch Utilities...

8-port Gigabit Ethernet Switch User’s Guide 80 Figure 6-26. VLAN Menu To create an 802.1Q VLAN, highlight Edit 802.1Q VLANs and press Enter:

8-port Gigabit Ethernet Switch User’s Guide 81 Choose which ports will be members of the new VLAN and enter their membership status in the Membership

8-port Gigabit Ethernet Switch User’s Guide 82 Figure 6-28. Edit 802.1Q VLANs menu Note: The default VLAN includes all of the ports on the Switch

8-port Gigabit Ethernet Switch User’s Guide 83 To configure the port settings of an 802.1Q VLAN, highlight Configure 802.1Q Port Settings and press En

8-port Gigabit Ethernet Switch User’s Guide 84 Figure 6-31. VLAN Menu To edit an existing 802.1Q VLAN, highlight Edit 802.1Q VLANs and press Enter

8-port Gigabit Ethernet Switch User’s Guide 85 Delete mode, entire VLANs can be deleted. VLANs to be edited can be selected by either the VID:[ ] fi

8-port Gigabit Ethernet Switch User’s Guide 86 • Ingress Filter – This enables the port to compare the VID tag of an incoming packet with the PVID nu

8-port Gigabit Ethernet Switch User’s Guide 87 Sales 5 10.160.0.0 10.160.0.1 Backbone 6 10.192.0.0 10.192.0.1 Table 5-6. VLAN Example – Assig

8-port Gigabit Ethernet Switch User’s Guide 88 Figure 6-34. Setup IP Interface screen Toggle the Action:<Add/Modify> field to Add/Modify. Ch

8-port Gigabit Ethernet Switch User’s Guide 89 Multicasting Layer 2 Multicast Setup To access the Multicasting Menu, highlight Multicasting from the M