D-Link DES-3326S - Switch - Stackable Podręcznik Użytkownika

DES-3326S Layer 3 Switch User’s Guide First Edition (June, 2001) 651E3326S015 Printed In Taiwan RECYCLABLE

x Switch LED Indicators ...37 Stacking Module LED Indicators...

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 100 Switch Management and Operating Concepts Figure 5-11. IP Packet Header The flags and fra

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 101 There is no relationship between the MAC address o

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 102 Switch Management and Operating Concepts TCP and UDP Well-Known Ports Application protocol

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 103 No two TCP connection can have the same set of num

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 104 Switch Management and Operating Concepts the response are very short. There is no need to

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 105 The Domain Name System Computer users usually pref

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 106 Switch Management and Operating Concepts entire name translation, or simply return the addr

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 107 Usually, it is a network policy to assign the same

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 108 Switch Management and Operating Concepts Gateways connect a network with one or more other

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 109 When IP is transmitting large files, large packets

xi VLAN Layout ...169 Assigning IP Network Addresses and Subnet Masks to VLANs...

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 110 Switch Management and Operating Concepts computer has an entry. If it does, the local comp

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 111 Internet Assigned Numbers Authority (IANA) for spe

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 112 Switch Management and Operating Concepts 224.0.0.11 Mobile Agents 224.0.0.12 DHCP Servers a

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 113 the router should forward multicast packets it rec

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 114 Switch Management and Operating Concepts 2 Table 5-14. IGMP Type Codes Multicast routers

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 115 The transition states a host will go through to jo

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 116 Switch Management and Operating Concepts Flooding The simplest algorithm for the delivery o

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 117 Reverse Path Broadcasting (RPB) The Reverse Path B

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 118 Switch Management and Operating Concepts Reverse Path Multicasting (RPM) Reverse Path Multi

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 119 Multicast Routing Protocols This section contains

xii Identifying a Data Loop ... 335 Avoiding Trouble ...

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 120 Switch Management and Operating Concepts other routers will discard multicast packets from

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 121 distance (represented by the number of hops or rou

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 122 Switch Management and Operating Concepts RIP can also be slow to converge (to remove incons

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 123 Figure 5-17. RIP v.1 Message Format

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 124 Switch Management and Operating Concepts The COMMAND field specifies an operation according

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 125 The distances, measured in router hops are entered

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 126 Switch Management and Operating Concepts Figure 5-18. RIP Message Format RIP version 2

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 127 “state” is a description of that interface and its

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 128 Switch Management and Operating Concepts 1. When OSPF is started, or when a change in the

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 129 area) even though every router in the area will ha

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 13 1 INTRODUCTION This section describes the Layer 3 functionality and Layer 2 and Layer 3 feature

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 130 Switch Management and Operating Concepts Figure 5-19. Constructing a Shortest Path Tree

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 131 Router ARouter BRouter D128.213.0.0192.213.11.0222

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 132 Switch Management and Operating Concepts Router ARouter B128.213.0.0192.213.11.001051010 Ro

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 133 receive particular link-state updates are located.

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 134 Switch Management and Operating Concepts link-state updates describing every router on the

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 135 OSPF Authentication OSPF packets can be authentica

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 136 Switch Management and Operating Concepts backbone through a router. OSPF allows routing in

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 137 configured between two border routers that both ha

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 138 Switch Management and Operating Concepts segment and to elect a Designated Router on multi-

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 139 • Down − No information has been received from a

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 14 Introduction Ethernet port to connect to a separate device, which in turn, connects the networ

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 140 Switch Management and Operating Concepts • Loading − The routers are finalizing the infor

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 141 The OSPF Packet Header Every OSPF packet is preced

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 142 Switch Management and Operating Concepts Description 3 Link-State Request 4 Link-State Upda

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 143 authentication scheme. Table 5-16. OSPF Packet

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 144 Switch Management and Operating Concepts Hello Packet1Router IDArea IDVersion No.Checksum A

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 145 Priority. The Router Priority is used in the elec

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 146 Switch Management and Operating Concepts The Database Description Packet Database Descripti

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 147 I – bit The Initial bit. When set to 1, this pac

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 148 Switch Management and Operating Concepts The Link-State Request Packet Link-State Request p

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 149 Figure 5-25. Link-State Request Packet Each adv

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 15 and improve the utilization of the network’s installed bandwidth. The Functions of a Layer 3 S

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 150 Switch Management and Operating Concepts Version No.PaRouter IDArea IDAuAuthenticationAuthe

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 151 AllSPFRouters, to the multicast address AllDRouter

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 152 Switch Management and Operating Concepts Each link-state advertisement describes a piece of

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 153 Link-State AdvertisementLink-State AgeOptioLink-St

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 154 Switch Management and Operating Concepts 3 Summary Link (IP Network) 4 Summary Link (ASBR)

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 155 the link state advertisement header by excepting t

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 156 Switch Management and Operating Concepts Link-State AgeOptioLink-State IDAdvertising Router

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 157 Field Description V – bit When set, the router is

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 158 Switch Management and Operating Concepts Type A quick classification of the router link.

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 159 router’s Router ID. 2 IP address of Designated Rou

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 16 Introduction Features The DES-3326S Switch was designed for easy installation and high perform

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 160 Switch Management and Operating Concepts are given, this field should be set to 0. TOS 0 Me

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 161 attached to the network, including the Designated

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 162 Switch Management and Operating Concepts adjacent to the Designated Router (DR) are listed.

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 163 Figure 5-31. Summary Link Advertisement For stu

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 164 Switch Management and Operating Concepts advertisements. Table 5-24. Summary Link Advert

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 165 Link-State AgeOptioLink-State IDAdvertising Router

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 166 Switch Management and Operating Concepts metric. Forwarding Address Data traffic for the a

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 167 6 WEB-BASED SWITCH MANAGEMENT Introduction The DES-3226 offers

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 168 Web-Based Switch Management Before You Start The DES-3326S Layer 3 Switch supports a wide a

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 169 4. Determine how each subnet will communicate with the WAN or

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 17 • Store and forward switching scheme. • Full and half-duplex for both 10Mbps and 100Mbps conn

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 170 Web-Based Switch Management Layer 3 VLANs must be configured on the switch before they can

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 171 Defining Static Routes Routes between the IP interfaces and a d

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 172 Web-Based Switch Management Figure 6-1. Login Button This opens the management module’s

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 173 Figure 6-2. User Accounts Control Table Click New to add a u

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 174 Web-Based Switch Management changes (including User additions or updates) must be entered i

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 175 The following table summarizes the Root, User+ and User privile

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 176 Web-Based Switch Management When this is done, the settings will be immediately applied to

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 177 Figure 6-5. Save Configuration Confirmation Click the OK bu

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 178 Web-Based Switch Management Figure 6-6. Factory Reset Screen Click Yes if you want the

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 179 following at a minimum must be configured or known for the swit

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 18 Introduction • Data filtering rate eliminates all error packets, runts, etc. at 148,800 pps p

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 180 Web-Based Switch Management Where the x’s represent the IP address to be assigned to the IP

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 181 Figure 6-7. Save Changes Screen Starting and Stopping the W

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 182 Web-Based Switch Management Figure 6-8. Password Dialog Box 1. Thers is no default User

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 183 Areas of the User Interface The figure below shows the user int

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 184 Web-Based Switch Management Area Function 1 Presents a graphical near re

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 185 This section, arranged by topic, describes how to perform comm

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 186 Web-Based Switch Management Figure 6-10. Switch Information – Basic Settings

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 187 The Switch Information window shows which (if any) external mod

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 188 Web-Based Switch Management Figure 6-11. Basic Switch Setup

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 189 The switch’s factory default IP address is 10.90.90.90 with a s

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 19 • Supports RIP – (Routing Information Protocol) version I and II. • Supports OSPF − (Open Sho

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 190 Web-Based Switch Management addresses, network masks, and default gateways to be assigned b

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 191 Class B network, and 255.255.255.0 for a Class C network, but c

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 192 Web-Based Switch Management SNMP Settings Some settings must be entered to allow the switch

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 193 addresses entered will be allowed to access the switch to manag

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 194 Web-Based Switch Management Figure 6-13. SNMP Community Setup Setting Up Trap Receiver

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 195 Figure 6-14. Trap Receivers The IP Address field is the IP

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 196 Web-Based Switch Management management agent. To change a switch’s order in the stack, you

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 197 To view the stacking information, click on the Stacking Informa

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 198 Web-Based Switch Management Figure 6-18. The Stacking Module’s Front Panel Notice the L

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 199 Entering the show stacking command with no parameters returns a

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

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 20 Introduction • SNMP v.1 Agent. • Fully configurable either in-band or out-of-band control vi

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 200 Web-Based Switch Management switch’s MAC address. The lowest MAC address in the switch sta

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 201 config stacking mode slave This will configure the switch wit

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 202 Web-Based Switch Management Configure Ports Click the Port Configurations link from the Bas

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 203 Click on the port you want to configure on the Port Configurati

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 204 Web-Based Switch Management Use the State<Enabled> pull-down menu to either enable or

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 205 and 100 Mbps devices, full- or half-duplex. The Auto setting al

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 206 Web-Based Switch Management Figure 6-23. Serial Port Settings Use the Select Protocol

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 207 interface uses 8 data bits. Stop Bits Displays the number of bi

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 208 Web-Based Switch Management Advanced Setup Changing switch operation mode setting changes s

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 209 Figure 6-24. 802.1Q VLANs To delete an existing 802.1Q VLA

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 21 • DCHP Client support. • DCHP Relay Agent. • DNS Relay Agent. • Password enabled. Switch St

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 210 Web-Based Switch Management To edit an existing 802.1Q VLAN, click the corresponding click-

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 211 VLAN Name Allows the entry of a name for the new VLAN in the Ad

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 212 Web-Based Switch Management the VLAN and that the port is forbidden from becoming a member

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 213 Figure 6-27. Port VLAN ID (PVID) The following field can

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 214 Web-Based Switch Management Ingress filtering. To enable or disable GVRP, globally, on the

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 215 Layer 3 IP Networking To access the Layer 3 IP Networking links

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 216 Web-Based Switch Management Using a 10.xxx.xxx.xxx IP address notation, the above example w

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 217 Figure 6-29. Setup IP Interface To setup an new IP interfac

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 218 Web-Based Switch Management Figure 6-31. Setup IP Interface – Edit Choose a name for t

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 219 interface. Subnet Mask This field allows the entry of a subnet

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 22 Introduction Gigabit Ethernet Technology Gigabit Ethernet is an extension of IEEE 802.3 Ethern

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 220 Web-Based Switch Management Figure 6-32. RIP Status This window allows RIP to be global

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 221 To edit a RIP configuration, click the corresponding Interface

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 222 Web-Based Switch Management <Disabled> Only, and V1 and V2. This entry specifies whi

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 223 Figure 6-35. MD5 Key Table The following fields can be set

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 224 Web-Based Switch Management Setup OSPF The OSPF General Setup dialog box allows OSPF to be

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 225 this case, it would be 10.255.255.255, but any unique 32-bit nu

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 226 Web-Based Switch Management Figure 6-37. OSPF Area Setting The following fields can be

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 227 65,535. The default is None (0). Remove Allows for the removal

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 228 Web-Based Switch Management Figure 6-39. OSPF Interface Configuration The following fi

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 229 OSPF Hello packets, in seconds. Between 5 and 65535 seconds ca

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 23 2 UNPACKING AND SETUP This chapter provides unpacking and setup information for the Switch. Unp

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 230 Web-Based Switch Management MD5 Key Table Configuration menu. When MD5 is selected, the A

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 231 Figure 6-40. OSPF Interface Configuration − Monitor Virtual I

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 232 Web-Based Switch Management Figure 6-41. Virtual Interface Configuration The following

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 233 Area Aggregation Configuration Area Aggregation allows all of t

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 234 Web-Based Switch Management Network Number Sometimes called the Network Address. The 32-bi

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 235 Figure 6-43. Route Redistribution Settings The following f

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 236 Web-Based Switch Management Count in the RIP routing protocol.

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 237 IP Multicasting The functions supporting IP multicasting are ad

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 238 Web-Based Switch Management IGMP Snooping, DVMRP, and PIM-DM routing protocols can be ind

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 239 and Enabled. This is used to enable or disable IGMP Snooping f

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 24 Unpacking and Setup Installation Use the following guidelines when choosing a place to insta

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 240 Web-Based Switch Management Figure 6-46. IGMP Interface Setup The Internet Group Multi

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 241 This dialog box allows the configuration of IGMP for each IP in

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 242 Web-Based Switch Management <125> 125 seconds. This specifies the length of time betw

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 243 Figure 6-49. DVMRP Interface Configuration − Edit This men

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 244 Web-Based Switch Management When a sender initiates a multicast, DVMRP initially assumes th

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 245 Neighbor Timeout Interval <35> This field allows an entry

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 246 Web-Based Switch Management PIM-DM has no explicit ‘join’ messages. It relies upon periodic

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 247 To configure PIM-DM for a given IP Interface, click the corresp

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 248 Web-Based Switch Management Join/Prune Interval <60 > This field allows an entry of b

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 249 • All UDP multicast packets will be forwarded to the router po

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Figure 2-1. Installing rubber feet for desktop installation Rack Installation The DES-3326S

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 250 Web-Based Switch Management To add a static router port configuration, click the Edit butto

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 251 Port Mirroring To configure a port for port mirroring: Click th

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 252 Web-Based Switch Management The following fields can be set: Parameter Description Source P

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 253 Priority To configure a forwarding priority for a given MAC add

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 254 Web-Based Switch Management Figure 6-56. MAC Address Priority − Add To edit the priori

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 255 The following fields can be set: Parameter Description MAC Addr

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 256 Web-Based Switch Management Filtering IP Address Filtering With the switch configured to La

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 257 Figure 6-59. IP Address Filtering − Add To edit an existing

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 258 Web-Based Switch Management Source/Destination <Source> This field can be toggled bet

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 259 Forwarding MAC Address Aging Time The MAC Address Aging Time s

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 26 Unpacking and Setup Then, use the screws provided with the equipment rack to mount the switc

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 260 Web-Based Switch Management Unicast MAC Address Forwarding MAC addresses can be statically

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 261 Figure 6-63. Unicast MAC Address Settings − Add To edit an

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 262 Web-Based Switch Management of an end station that will be entered into the switch’s static

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 263 Figure 6-65. Multicast MAC Address Settings To add a new m

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 264 Web-Based Switch Management Figure 6-67. Multicast MAC Address Settings − Edit The fo

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 265 Forbidden Forbidden Non-Member - specifies the port as not bein

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 266 Web-Based Switch Management To delete an existing static/default route, click corresponding

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 267 <0.0.0.0> gateway for the IP address above. Metric <1

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 268 Web-Based Switch Management Figure 6-71. Static ARP – Add The following fields can be

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 269 To globally configure STP on the switch, click the Spanning Tre

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 27 ♦ All LED indicators will momentarily blink. This blinking of the LED indicators represents a

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 270 Web-Based Switch Management down menu. This will enable or disable the Spanning Tree Proto

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 271 The Hello Time cannot be longer than the Max. Age. Otherwise,

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 272 Web-Based Switch Management Figure 6-73. STP Port Settings

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 273 In addition to setting Spanning Tree parameters for use on the

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 274 Web-Based Switch Management Link Aggregation Link aggregation allows several ports to be g

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 275 aggregation group. If two redundant link aggregation groups are

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 276 Web-Based Switch Management To edit an existing entry to the switch’s forwarding table, cli

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 277 interconnected the switches in the switch stack. Port Member Al

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 278 Web-Based Switch Management TFTP Services folder and finally click on the Download Firmware

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 279 Click Download to record the IP address of the TFTP server.

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 28 Identifying External Components 3 IDENTIFYING EXTERNAL COMPONENTS This chapter describes the

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 280 Web-Based Switch Management Save Settings To Server To download a configuration file for th

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 281 Figure 6-80. Save Switch History To TFTP Server Enter the

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 282 Web-Based Switch Management Figure 6-81. BOOTP/DHCP Relay The following fields can be

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 283 process the value in the seconds field of the BOOTP or DHCP pac

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 284 Web-Based Switch Management The following fields can be set: Parameter Description Interfac

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 285 The following fields can be set: Parameter Description DNS Rela

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 286 Web-Based Switch Management Figure 6-85. DNS Relay Static Table Configuration To add a

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 287 Network Monitoring The SR24i provides extensive network monitor

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 288 Web-Based Switch Management Figure 6-87. Port Utilization window Select the desired por

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 289 The following field can be set: Parameter Description Update In

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Identifying External Components 29 ♦ A front-panel slide-in module slot for Gigabit Ethernet p

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 290 Web-Based Switch Management Figure 6-88. Port Error Packet Statistics window Select the

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 291 port on the switch. Update Interval <Suspend> The interva

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 292 Web-Based Switch Management Drop Packets The total number of events in which packets were d

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 293 Port Packet Analysis The Port Packet Analysis window displays t

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 294 Web-Based Switch Management Parameter Description Update Interval <Suspend> The inter

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 295 (Total/sec). TX Bytes Displays the number of bytes (octets) tra

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 296 Web-Based Switch Management Figure 6-90. Browse Address Table – sequential window IP Ad

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 297

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 298 Web-Based Switch Management Figure 6-91. IP Address Table

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 299 The following fields are displayed: Parameter Description Desti

18. Zum Netzanschluß dieses Gerätes ist eine geprüfte Leitung zu verwenden, Für einen Nennstrom bis 6A und einem Gerätegewicht grőßer 3kg ist eine

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 30 Identifying External Components Side Panels The right side panel of the Switch contains two

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 300 Web-Based Switch Management Figure 6-92. Routing Table Parameter Description IP Address

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 301 ARP Table To view the switch’s ARP table, click on the ARP Tabl

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 302 Web-Based Switch Management Figure 6-93. ARP Table

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 303 OSPF Link State Database Table The switch maintains two OSPF Li

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 304 Web-Based Switch Management LSDB Type Displays which one of four types of link advertisemen

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 305 OSPF Neighbor Table Figure 6-95. OSPF Neighbor Table The fo

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 306 Web-Based Switch Management OSPF Virtual Neighbor Table Figure 6-96. OSPF Virtual Neig

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 307 DVMRP Neighbor Address Table To view the DVMRP neighbor address

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 308 Web-Based Switch Management between the switch and the listed router. Learned Indicates whe

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 309 Router Ports This displays which of the switch’s ports are curr

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Identifying External Components 31 100BASE-FX Fiber Module (2Km/15Km) Figure 3-5. 100BASE-

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 310 Web-Based Switch Management IP address and the corresponding MAC address from IGMP packets

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 311 IP Multicast Forwarding Table To view the switch’s IP multicast

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 312 Web-Based Switch Management Protocol The routing protocol in use. IGMP Group Table To view

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 313 Querier IP The IP address of the IGMP querier. Expire The total

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 314 Web-Based Switch Management between the switch and the listed router. Learned Indicates whe

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Web-Based Switch Management 315 Figure 6-104. Switch History

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 316 Technical Specifications A TECHNICAL SPECIFICATIONS General Standards: IEEE 802.3 10BASE-T

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Technical Specifications 317 General Network Cables: 10BASE-T: 100BASE-TX: Fiber Optic:

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Physical and Environmental 318 Technical Specifications Weight: 2.5 kg EMI: FCC Class A, CE C

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Understanding and Troubleshooting the Spanning Tree Protocol 319 B UNDERSTANDING AND TROUBLESHOO

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 32 Identifying External Components ♦ Front-panel module. ♦ Connects to 1000BASE-T devices. ♦

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 320 Understanding and Troubleshooting the Spanning Tree Protocol Blocking State A port in the b

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Understanding and Troubleshooting the Spanning Tree Protocol 321

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 322 Understanding and Troubleshooting the Spanning Tree Protocol Listening State The listening

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Understanding and Troubleshooting the Spanning Tree Protocol 323

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 324 Understanding and Troubleshooting the Spanning Tree Protocol Learning State A port in the l

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Understanding and Troubleshooting the Spanning Tree Protocol 325

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 326 Understanding and Troubleshooting the Spanning Tree Protocol Forwarding State A port in the

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Understanding and Troubleshooting the Spanning Tree Protocol 327

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 328 Understanding and Troubleshooting the Spanning Tree Protocol Disabled State A port in the d

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Understanding and Troubleshooting the Spanning Tree Protocol 329

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Identifying External Components 33 Channel insertion loss Unit: dB 2.33 2.53 3.25 3.43 1000BAS

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 330 Understanding and Troubleshooting the Spanning Tree Protocol Troubleshooting STP Spanning T

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Understanding and Troubleshooting the Spanning Tree Protocol 331 to transition its port 2 from t

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 332 Understanding and Troubleshooting the Spanning Tree Protocol In the above example, port 1

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Understanding and Troubleshooting the Spanning Tree Protocol 333 Any failure that allows a link

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 334 Understanding and Troubleshooting the Spanning Tree Protocol packets transmitted but none r

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Understanding and Troubleshooting the Spanning Tree Protocol 335 Identifying a Data Loop Broadca

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 336 Understanding and Troubleshooting the Spanning Tree Protocol Organize the redundant links a

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Understanding and Troubleshooting the Spanning Tree Protocol 337 This is a common network desig

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 338 Understanding and Troubleshooting the Spanning Tree Protocol switches A and B and two block

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Understanding and Troubleshooting the Spanning Tree Protocol 339 Impact of Layer 3 Switching. Th

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 34 Identifying External Components GBIC Two-Port Module Figure 3-9. GBIC two-port module ♦

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 340 Understanding and Troubleshooting the Spanning Tree Protocol Using layer 3 switches and IP

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Understanding and Troubleshooting the Spanning Tree Protocol 341

C BRIEF REVIEW OF BITWISE LOGICAL OPERATIONS AND The logical AND operation compares 2 bits and if they are both “1”, then the result is “1”, othe

0 0 1 1 1 0 NOT The logical NOT operation simply changes the value of a single bit. If it is a “1”, the result is “0”, if it is a “0”, the result

INDEX 1 1000BASE-SX Gigabit Module...31 100BASE-FX Fiber (MTRJ Type) Module...

I IEEE 802.1Q tagging ...68 IEEE 802.1Q VLANs ...68 Illustration of STA ...63 Ingress port...

Authentication Failure ...48, 51 Broadcast Storm...52 Cold Start ...48, 51 Link Change Event ...49, 51

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Registration Card Print, type or use block letters. Your name: Mr./Ms_____________________________________________________________________________ O

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Identifying External Components 35 GBIC Port ♦ Front-panel module. ♦ One Stacking port and on

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 36 Identifying External Components Figure 3-11. Up to 6 Switches in a Switch Stack The stac

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Identifying External Components 37 Switch LED Indicators The LED indicators of the Switch inclu

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 38 Identifying External Components Figure 3-13. Stacking Module LED Indicators The Link a

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Connecting The Switch 39 4 CONNECTING THE SWITCH This chapter describes how to connect the DES

iv 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,

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 40 Connecting The Switch Figure 4-1. Switch connected to an End Node The LED indicators fo

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Connecting The Switch 41 Switch Stack Connections Up to 6 DES-3326S switches can be stacked, u

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 42 Connecting The Switch Figure 4-. Switch Stack connections between optional stacking modul

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Connecting The Switch 43 100BASE-TX Device For a 100BASE-TX device, the Switch’s LED indicators

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 44 Switch Management and Operating Concepts 5 SWITCH MANAGEMENT AND OPERATING CONCEPTS This cha

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 45 Local console management uses the terminal connecti

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 46 Switch Management and Operating Concepts Make sure the terminal or PC you are using to make

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 47 • The Master Switch can be chosen automatically. S

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 48 Switch Management and Operating Concepts Stack Order MAC Address 1(added Switch) 001122334

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 49 Switch IP Address Each Switch must be assigned its

irrespective of any earlier expiration of original warranty period. When D-Link provides replacement, then the defective product becomes the proper

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 50 Switch Management and Operating Concepts Setting an IP Address The IP address for the switch

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 51 accidentally turned OFF the Switch), or less seriou

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 52 Switch Management and Operating Concepts • New Root This trap indicates that the Switch ha

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 53 • Sending and receiving SNMP packets through the I

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 54 Switch Management and Operating Concepts they must immediately take certain actions to avoid

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 55 sent if a new root trap is sent for the same transi

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 56 Switch Management and Operating Concepts Object-Identity (OID) at the network manager. MIB v

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 57 other ports. This process is referred to as ‘learn

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 58 Switch Management and Operating Concepts same port as where it originated. This keeps local

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 59 Spanning Tree The IEEE 802.1D Spanning Tree Protoco

vi error-free, and no warranty that all defects in the software product, within or without the scope of D-Link's applicable product documentatio

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 60 Switch Management and Operating Concepts Bridge Identifier (Not user-configurable except by

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 61 chance of a given port being elected as the root po

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 62 Switch Management and Operating Concepts which the packet is transmitted will receive the BP

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 63 STP Port States The BPDUs take some time to pass th

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 64 Switch Management and Operating Concepts • From initialization (switch boot) to blocking •

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 65 When STP is enabled, every port on every switch in

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 66 Switch Management and Operating Concepts transmissions of BPDU packets sent by the Root Brid

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 67 Illustration of STP A simple illustration of three

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 68 Switch Management and Operating Concepts Figure 5-3. Before Applying the STA Rules In th

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 69 Figure 5-4. After Applying the STA Rules The s

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-

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 70 Switch Management and Operating Concepts Link Aggregation Link aggregation is used to combin

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 71 Figure 5-5. Link Aggregation Group Data transmit

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 72 Switch Management and Operating Concepts VLANs A VLAN is a collection of end nodes grouped b

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 73 IEEE 802.1Q VLANs Some relevant terms: Tagging - Th

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 74 Switch Management and Operating Concepts • Forwarding rules between ports – decides filter

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 75 across Ethernet backbones) and 12 bits of VLAN ID (

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 76 Switch Management and Operating Concepts Figure 5-8. Adding an IEEE 802.1Q Tag Port VLAN

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 77 Within the switch, different PVIDs mean different V

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 78 Switch Management and Operating Concepts Tagging and Untagging Every port on an 802.1Q compl

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 79 and the destination port transmits it to its attach

viii 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 Rule

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 80 Switch Management and Operating Concepts A VLAN that does not have a corresponding IP interf

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 81 • Subnet – a portion of a network sharing a partic

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 82 Switch Management and Operating Concepts grouped together in bytes, or eight bits. (A bit i

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 83 Each digit in an 8-bit binary number (an octet) rep

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 84 Switch Management and Operating Concepts Class E Addresses are reserved for future use. The

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 85 The Default subnet masks are: • Class A – 1111111

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 86 Switch Management and Operating Concepts This example uses an 11-bit subnet mask. (There ar

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 87 # of Bits Subnet Mask CIDR Notation # of Subnets #

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 88 Switch Management and Operating Concepts 8 255.255.255.0 /24 254 254 64516 9 255.255.255.

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 89 Backbone 6 25, 26 Table 5-12. VLAN Example – Ass

ix Table of Contents Introduction...13 Layer 3 Switching ...

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 90 Switch Management and Operating Concepts The 6 IP interfaces, each with an IP address (liste

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 91 Protocol Layering The Internet Protocol (IP) divide

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 92 Switch Management and Operating Concepts system or network, but must communicate and interop

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 93 Between two protocol stacks, members of the same la

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 94 Switch Management and Operating Concepts Layer 2 switching forwards packets based on the uni

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 95 communicating. TCP and UDP are well-known protocol

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 96 Switch Management and Operating Concepts TCP/IP is a layered set of protocols. An example,

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 97 The information required for IP to do its job is co

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide 98 Switch Management and Operating Concepts The header also contains a sequence number that is

DES-3326S Layer 3 Fast Ethernet Switch User’s Guide Switch Management and Operating Concepts 99 The window field controls the amount of data being