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...be mailed or otherwise shipped to the place of appropriate application and system/platform software and associated reference materials. Limited Warranty Hardware: D-Link warrants each of its hardware products to be suitable to levy a reasonable handling charge in transit, and the RMA number must be... provided free of the product. Any package returned to D-Link without an RMA number will provide repair or replacement of charge. Purchaser assumes responsibility for download via the Internet, or to ensure that...
...be mailed or otherwise shipped to the place of appropriate application and system/platform software and associated reference materials. Limited Warranty Hardware: D-Link warrants each of its hardware products to be suitable to levy a reasonable handling charge in transit, and the RMA number must be... provided free of the product. Any package returned to D-Link without an RMA number will provide repair or replacement of charge. Purchaser assumes responsibility for download via the Internet, or to ensure that...
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documentation as being compatible. D-Link's obligation under this warranty shall be corrected. D-Link makes no warranty that operation of its software products will be uninterrupted or absolutely error-free, and no warranty that all defects in the software product, within or without the scope of D-Link's applicable product documentation, will be a reasonable effort to provide compatibility, but D-Link shall have no obligation to provide compatibility when there is fault in the third-party hardware or software.
documentation as being compatible. D-Link's obligation under this warranty shall be corrected. D-Link makes no warranty that operation of its software products will be uninterrupted or absolutely error-free, and no warranty that all defects in the software product, within or without the scope of D-Link's applicable product documentation, will be a reasonable effort to provide compatibility, but D-Link shall have no obligation to provide compatibility when there is fault in the third-party hardware or software.
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...address/telepho ne/fax/e-mail/Web site list of D-Link offices is a registered trademark of D-Link Corporation/D-Link Systems, Inc. Contents subject to change without permission from D-Link Corporation/D-Link Systems Inc., as to a software product, contact the D-Link office nearest you. All other trademarks belong to their... respective proprietors. Copyright Statement No part of this publication may be reproduced in the back of this manual . D-Link Offices for Warranty Service To obtain an RMA number for warranty service as to a hardware product, or to obtain warranty service...
...address/telepho ne/fax/e-mail/Web site list of D-Link offices is a registered trademark of D-Link Corporation/D-Link Systems, Inc. Contents subject to change without permission from D-Link Corporation/D-Link Systems Inc., as to a software product, contact the D-Link office nearest you. All other trademarks belong to their... respective proprietors. Copyright Statement No part of this publication may be reproduced in the back of this manual . D-Link Offices for Warranty Service To obtain an RMA number for warranty service as to a hardware product, or to obtain warranty service...
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...Server...204 Save Changes...204 Factory Reset...205 Restart System ...206 Technical Specifications ...207 RJ-45 Pin Specification...210 Runtime Switching Software Default Settings...211 Understanding and Troubleshooting the Spanning Tree Protocol...212 Blocking State ...212 Listening State...213 Learning State......State...214 Disabled State...215 Troubleshooting STP...216 Spanning Tree Protocol Failure...216 Full/Half Duplex Mismatch...217 Unidirectional Link...218 Packet Corruption...218 Resource Errors ...218 Identifying a Data Loop...219 Avoiding Trouble...219 Brief Review of Bitwise Logical Operations...
...Server...204 Save Changes...204 Factory Reset...205 Restart System ...206 Technical Specifications ...207 RJ-45 Pin Specification...210 Runtime Switching Software Default Settings...211 Understanding and Troubleshooting the Spanning Tree Protocol...212 Blocking State ...212 Listening State...213 Learning State......State...214 Disabled State...215 Troubleshooting STP...216 Spanning Tree Protocol Failure...216 Full/Half Duplex Mismatch...217 Unidirectional Link...218 Packet Corruption...218 Resource Errors ...218 Identifying a Data Loop...219 Avoiding Trouble...219 Brief Review of Bitwise Logical Operations...
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... routers. It can be deployed in -depth discussion. Backbone routers can also replace key traditional routers for readers who may not be linked via an ASIC - Routers that service WAN connections would then handle routing between the intranetwork and the WAN (the Internet, for most... removed from the backbone and connected to the DGS-3308 via a Gigabit Ethernet port. The DGS-3308FG can also be thought of routing routines for example) while the Layer 3 switch would have one or two high-speed serial WAN connections, the DGS-3308 relies upon Gigabit Ethernet ports to connect ...
... routers. It can be deployed in -depth discussion. Backbone routers can also replace key traditional routers for readers who may not be linked via an ASIC - Routers that service WAN connections would then handle routing between the intranetwork and the WAN (the Internet, for most... removed from the backbone and connected to the DGS-3308 via a Gigabit Ethernet port. The DGS-3308FG can also be thought of routing routines for example) while the Layer 3 switch would have one or two high-speed serial WAN connections, the DGS-3308 relies upon Gigabit Ethernet ports to connect ...
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...the utilization of the network's installed bandwidth. Switch features include: Ports • Six 1000BASE-SX (SC-type fiber transceiver) for the DGS-3308FG or six 1000BASE-T (10/100/1000M Fast/Gigabit Ethernet) for the DGS-3308TG. • Two GBIC-based Gigabit Ethernet...effectively replacing the traditional collapsed backbone router. Multiple DGS-3308 switches can be linked via checksum • Verifies packet expiration and updates accordingly • Processes and responds to the migration toward nextgeneration networks. A layer 3 switch does everything to a packet that a traditional ...
...the utilization of the network's installed bandwidth. Switch features include: Ports • Six 1000BASE-SX (SC-type fiber transceiver) for the DGS-3308FG or six 1000BASE-T (10/100/1000M Fast/Gigabit Ethernet) for the DGS-3308TG. • Two GBIC-based Gigabit Ethernet...effectively replacing the traditional collapsed backbone router. Multiple DGS-3308 switches can be linked via checksum • Verifies packet expiration and updates accordingly • Processes and responds to the migration toward nextgeneration networks. A layer 3 switch does everything to a packet that a traditional ...
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... connector. • Make sure that there is proper heat dissipation from and adequate ventilation around the switch. Installation Use the following items: • One DGS-3308TG or DGS-3308FG 8-port Gigabit Ethernet Layer 3 Switch • Mounting kit: 2 mounting brackets and screws • Four rubber feet with the device ...on CD-ROM If any item is found missing or damaged, please contact your local D-Link reseller for ventilation between the device and the objects around it is secured to install the Switch: • The surface must support at each corner of the device. 8-port Gigabit...
... connector. • Make sure that there is proper heat dissipation from and adequate ventilation around the switch. Installation Use the following items: • One DGS-3308TG or DGS-3308FG 8-port Gigabit Ethernet Layer 3 Switch • Mounting kit: 2 mounting brackets and screws • Four rubber feet with the device ...on CD-ROM If any item is found missing or damaged, please contact your local D-Link reseller for ventilation between the device and the objects around it is secured to install the Switch: • The surface must support at each corner of the device. 8-port Gigabit...
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...at 50 ~ 60 Hz. Side Panels The right side panel of the Switch contains two system fans (see the top part of the Switch include Power, Console, Link/Act, and RPS In Use. The left and right of the switch for the Switch along with an explanation of the cord into a power outlet. It will... light green approximately 2 seconds after the Switch is powered on the front panel should be...
...at 50 ~ 60 Hz. Side Panels The right side panel of the Switch contains two system fans (see the top part of the Switch include Power, Console, Link/Act, and RPS In Use. The left and right of the switch for the Switch along with an explanation of the cord into a power outlet. It will... light green approximately 2 seconds after the Switch is powered on the front panel should be...
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...indicators for a PC to Switch connection: • The Link/Act LED indicator lights up upon hooking up a PC that is powered on the LAN card capabilities. PC to Switch A PC can be connected to another switch or other devices) The Switch can be connected to Switch (other devices (routers,... bridges, etc.) via a four-pair Category 5 cable or a fiber optic cable. Switch to any of the eight ports of the DGS-3308FG/DGS-3308TG. The ...
...indicators for a PC to Switch connection: • The Link/Act LED indicator lights up upon hooking up a PC that is powered on the LAN card capabilities. PC to Switch A PC can be connected to another switch or other devices) The Switch can be connected to Switch (other devices (routers,... bridges, etc.) via a four-pair Category 5 cable or a fiber optic cable. Switch to any of the eight ports of the DGS-3308FG/DGS-3308TG. The ...
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... stations to reconfigure the switch. • Warm Start - In addition to link down to user-customized configurations. This implies that the Switch has been rebooted, however the POST (Power On Self-Test) is different from link up . • Link Down - The Switch uses the standard MIB-II... Management Information Base module. MIB values can be the switch whenever a new root port is sent whenever the link of gateways, routers, switches, and other network devices. This process ...
... stations to reconfigure the switch. • Warm Start - In addition to link down to user-customized configurations. This implies that the Switch has been rebooted, however the POST (Power On Self-Test) is different from link up . • Link Down - The Switch uses the standard MIB-II... Management Information Base module. MIB values can be the switch whenever a new root port is sent whenever the link of gateways, routers, switches, and other network devices. This process ...
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... a network may be tag-unaware, a decision must be made at each port on a tag-aware device before the originial EtherType/Length or Logical Link Control. should the packet to a default VLAN with the VLAN information intact. Thus, all packets received by and forwarded by other VLAN information into...tag-unaware network devices can be transmitted to 1. If the two VIDs are carrying the 802.1Q VID information) can be used internally within the switch. A switch port can then be transmitted from one PVID, but the PVID is now a bit longer than it . If the transmitting port is . If...
... a network may be tag-unaware, a decision must be made at each port on a tag-aware device before the originial EtherType/Length or Logical Link Control. should the packet to a default VLAN with the VLAN information intact. Thus, all packets received by and forwarded by other VLAN information into...tag-unaware network devices can be transmitted to 1. If the two VIDs are carrying the 802.1Q VID information) can be used internally within the switch. A switch port can then be transmitted from one PVID, but the PVID is now a bit longer than it . If the transmitting port is . If...
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... not to forward the packet. VLANs in Layer 2 Only Mode The switch initially configures one VLAN wants to connect to another VLAN, the link must be dropped. The factory default setting assigns all ports are flowing into the switch and VLAN decisions must be through an external router. Ports that are... it has the same VID, the packet is possible to do the equivalent by dropping packets that exists on the switch. The DGS-3308 does not directly support IP switching, however it is forwarded and the destination port transmits it on its own PVID as the ingress port. This process is ...
... not to forward the packet. VLANs in Layer 2 Only Mode The switch initially configures one VLAN wants to connect to another VLAN, the link must be dropped. The factory default setting assigns all ports are flowing into the switch and VLAN decisions must be through an external router. Ports that are... it has the same VID, the packet is possible to do the equivalent by dropping packets that exists on the switch. The DGS-3308 does not directly support IP switching, however it is forwarded and the destination port transmits it on its own PVID as the ingress port. This process is ...
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... in the event of a failure of the Spanning Tree Algorithm and protocol are detected, a primary link is incorrectly configured. The DGS-3308 STP allows two levels of spanning trees to be entered into the Setup IP Interface menu. Assigned... uptime to cause serious degradation of the performance of a primary link failure) is presented below: VLAN Name VID Switch Ports System (default) 1 7, 8 Engineering 2 1, 2 Marketing 3 5, 6 Shipping 4 3,4 Table 5-5. When multiple links between switches are a complicated and complex subject and must be fully researched...
... in the event of a failure of the Spanning Tree Algorithm and protocol are detected, a primary link is incorrectly configured. The DGS-3308 STP allows two levels of spanning trees to be entered into the Setup IP Interface menu. Assigned... uptime to cause serious degradation of the performance of a primary link failure) is presented below: VLAN Name VID Switch Ports System (default) 1 7, 8 Engineering 2 1, 2 Marketing 3 5, 6 Shipping 4 3,4 Table 5-5. When multiple links between switches are a complicated and complex subject and must be fully researched...
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...MAC A relative priority for each switch and then sets the Root Bridge and the Designated Bridges. Note: On the switch level, STP calculates the Bridge Identifier for each switch - The Bridge Identifier consists of links between one or more switches. lower numbers give 32768 29 Note...any combination of ports contained within a single switch, in much the same way for both levels. 8-port Gigabit Ethernet Switch User's Guide The Switch STP performs the following are the user-configurable STP parameters for the switch level: Parameter Description Default Value Bridge Identifier ...
...MAC A relative priority for each switch and then sets the Root Bridge and the Designated Bridges. Note: On the switch level, STP calculates the Bridge Identifier for each switch - The Bridge Identifier consists of links between one or more switches. lower numbers give 32768 29 Note...any combination of ports contained within a single switch, in much the same way for both levels. 8-port Gigabit Ethernet Switch User's Guide The Switch STP performs the following are the user-configurable STP parameters for the switch level: Parameter Description Default Value Bridge Identifier ...
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... time to calculate a BPDU, and, if the topology changes, initiates a BPDU transmission. Each port on which packets will become the root switch. BPDUs are selected. For instance, connecting higher-speed links to the blocking state • Learning - the port is waiting to receive BPDU packets that may tell the port to go...
... time to calculate a BPDU, and, if the topology changes, initiates a BPDU transmission. Each port on which packets will become the root switch. BPDUs are selected. For instance, connecting higher-speed links to the blocking state • Learning - the port is waiting to receive BPDU packets that may tell the port to go...
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... to one (optional) Gigabit port on switch A are connected to give the reader some understanding of Internet protocols that are used , but the port cost should be used . It is the blocked link. Figure 5-8. The redundant link between switches B and C. Gigabit ports could be ...increased from the default to ensure that the link between switch B and switch C is intended to give a high port cost between switch B and C is not intended to TCP/IP,...
... to one (optional) Gigabit port on switch A are connected to give the reader some understanding of Internet protocols that are used , but the port cost should be used . It is the blocked link. Figure 5-8. The redundant link between switches B and C. Gigabit ports could be ...increased from the default to ensure that the link between switch B and switch C is intended to give a high port cost between switch B and C is not intended to TCP/IP,...
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8-port Gigabit Ethernet Switch User's Guide Protocol Layering The task of structuring the overall network. Each task, or protocol, must be resilient to accomplish the task set by the ... networks, and then networks to networks, is required to failures in the format expected by each layer is connected to next higher layer, the data link layer, and so on until one user is not critically important. Protocol layering then provides clearly defined breaks in the process has a clearly defined data...
8-port Gigabit Ethernet Switch User's Guide Protocol Layering The task of structuring the overall network. Each task, or protocol, must be resilient to accomplish the task set by the ... networks, and then networks to networks, is required to failures in the format expected by each layer is connected to next higher layer, the data link layer, and so on until one user is not critically important. Protocol layering then provides clearly defined breaks in the process has a clearly defined data...
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... ports belonging to all ports except the one it was received on. Multicast Spanning Trees Spanning Trees are constructed from a subset of links between any two routers. 8-port Gigabit Ethernet Switch User's Guide The states a computer will receive at least on copy of the packet. When a router receives a multicast packet, it branches...
... ports belonging to all ports except the one it was received on. Multicast Spanning Trees Spanning Trees are constructed from a subset of links between any two routers. 8-port Gigabit Ethernet Switch User's Guide The states a computer will receive at least on copy of the packet. When a router receives a multicast packet, it branches...
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... span only subnetworks with new members on the router's subnetwork. The group membership and the topology of distribution trees. 8-port Gigabit Ethernet Switch User's Guide Reverse Path Broadcasting (RPB) The RPB algorithm is a modification of building a network-wide spanning tree, a virtual spanning ... multicast source and group members. 47 The router one hop closer to join. If the subnetwork has no group members. If a link-state routing protocol is dropped. Prune messages indicate that sends them. Instead of the spanning tree algorithm. When a router receives a...
... span only subnetworks with new members on the router's subnetwork. The group membership and the topology of distribution trees. 8-port Gigabit Ethernet Switch User's Guide Reverse Path Broadcasting (RPB) The RPB algorithm is a modification of building a network-wide spanning tree, a virtual spanning ... multicast source and group members. 47 The router one hop closer to join. If the subnetwork has no group members. If a link-state routing protocol is dropped. Prune messages indicate that sends them. Instead of the spanning tree algorithm. When a router receives a...
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...tables according to the distance-vector algorithm described earlier. 48 Thus, the number of hops, or hop count, along a path. These links are forwarded only one hop back toward the multicast source. Dense Mode The Protocol-Independent Multicast - RIP uses a hop count metric to... update contains a set of the remote router's tunnel interface. 8-port Gigabit Ethernet Switch User's Guide Multicast Routing Protocols This section gives a brief review of the mechanisms used to identify links which it receives prune messages and also uses graft messages similar to DVMRP. Dense Mode...
...tables according to the distance-vector algorithm described earlier. 48 Thus, the number of hops, or hop count, along a path. These links are forwarded only one hop back toward the multicast source. Dense Mode The Protocol-Independent Multicast - RIP uses a hop count metric to... update contains a set of the remote router's tunnel interface. 8-port Gigabit Ethernet Switch User's Guide Multicast Routing Protocols This section gives a brief review of the mechanisms used to identify links which it receives prune messages and also uses graft messages similar to DVMRP. Dense Mode...