Enterasys Networks Fast Network 10 - Manuals

Chapter 1: Introduction Page 1-2 Fast Network 10 User Guide • Chapter 5, FN10 Filters , describes FN10 filtering and provides specific examples of how filters can be used. It also provides instructions for adding, modifying, and deleting Port filters using the Local Console Manager (LCM). • Chapter ...

Document Conventions Fast Network 10 User Guide Page 1-3 1.3 DOCUMENT CONVENTIONS The following conventions are used throughout this document: LCM commands, prompts, and information displayed by the computer appear in Courier typeface, for example: Current Number of Learned Addresses: 133 Number of ...

Chapter 1: Introduction Page 1-4 Fast Network 10 User Guide 1.4 RELATED DOCUMENTATION The following documentation may assist the user in using this product: • Fast Network 10 MIB Reference Guide – contains enterprise MIB information. • Interconnections, Bridges and Routers, Radia Perlman, Addison We...

Overview Fast Network 10 User Guide Page 1-5 . Figure 1-1 FN10 Front Panels Figure 1-2 FN10 Rear Panel with the Optional Fast Ethernet Ports The FN10: • Provides dedicated bandwidth for each network connected to its ports. • Provides full store and forward bridging functionality. • Provides complete...

Chapter 1: Introduction Page 1-6 Fast Network 10 User Guide • Implements the Spanning Tree protocol (802.1d). • Configured with factory-set defaults for immediate plug-and-play capability. In addition, the FN10 offers features that can help you manage and maintain your network, such as: • Configurat...

Overview Fast Network 10 User Guide Page 1-7 Media Access Control (MAC) sub-layer of the Data Link layer. Figure 1-3 shows the OSI Reference Model. Figure 1-3 OSI Reference Model Because the FN10 does not process any Network Layer information, it provides a high level of performance in terms of pack...

Chapter 1: Introduction Page 1-8 Fast Network 10 User Guide forwards the packet to the network segment associated with that destination address. However, if the packet’s source and destination address are on the same network segment, known as local traffic , the packet is automatically discarded (i....

Overview Fast Network 10 User Guide Page 1-9 automatically reconfigured by the Spanning Tree protocol to create an alternate path to the LAN. 1.5.2 FN10 Bridge Address Table The FN10 creates and maintains a dynamic database of addresses called the Bridge Address Table. The FN10 examines every packet...

Chapter 1: Introduction Page 1-10 Fast Network 10 User Guide • A single port number of the LAN on which the address resides • The age of the entry • Various statistics counters • Any filtering restrictions added by a Network Management Station (NMS) Each static entry contains the same information as...

Chapter 1: Introduction Page 1-14 Fast Network 10 User Guide 1.5.4.3 Virtual Workgroups The FN10 allows you to define ports for logical groups of associated hosts (virtual workgroups) to provide a more efficient flow of traffic across your Ethernet network. Virtual workgroups offer you the ability t...

Local Console Manager Fast Network 10 User Guide Page 1-15 Figure 1-10 Using the FN10 to Create Virtual Workgroups to Help Optimize Bandwidth A host from workgroup A can limit a broadcast to all hosts within workgroup A or B and prevent the broadcast from going across the network and adding to the a...

Local Console Manager Fast Network 10 User Guide Page 1-17 • Information that you need to enter with an LCM command is enclosed in square brackets [ ]. For example, you must enter a port number and an IP address to execute the ipaddr [PORT-NUMBER] [IP ADDRESS] command: FN10 >ipaddr 6 192.138.217....

Chapter 1: Introduction Page 1-18 Fast Network 10 User Guide 1.6.2.1 Help Displays the menu of available commands. Help can also be displayed by typing a question mark (?). The output from the help command is displayed below. 1.6.2.2 Erase Entering erase to erase the current FN10 configuration sets ...

Local Console Manager Fast Network 10 User Guide Page 1-19 1.6.2.3 Exit Logs you out of LCM. (The exit command is functionally equivalent to the logout command.) 1.6.2.4 Logout The logout command logs you out of LCM. (The logout command is functionally equivalent to the exit command.) 1.6.2.5 Traplo...

Fast Network 10 User Guide Page 2-1 CHAPTER 2 UNPACKING AND INSTALLING YOUR FN10 Carefully unpack the FN10 from the shipping carton and inspect it for possible damage. If any damage is evident, contact your supplier. The shipping carton contains the following: • The FN10 unit • One AC power cord • C...

FN10 Panels Fast Network 10 User Guide Page 2-3 Table 2-1 Meaning of FN10 LEDs LED Meaning Link (upper level of port LEDs) On – Indicates the link is good.Off – Indicates there is no link. Status (lower level of port LEDs) On/Blinking – Indicates you are monitoring the port for a selected segment st...

Chapter 2: Unpacking and Installing Your FN10 Page 2-4 Fast Network 10 User Guide Table 2-2 describes the FN10 buttons. 2.2 INSTALLING THE FN10 Table-mounting an FN10 If the FN10 is to be table-mounted, make sure you install the four stick-on feet on the bottom of the unit, as shown in Figure 2-3. I...

Installing the FN10 Fast Network 10 User Guide Page 2-5 Rack-mounting an FN10 The table below describes some general considerations you should be aware of before mounting a FN10 in a rack assembly. The FN10 can be rack-mounted in a standard 19-inch equipment cabinet. To mount the FN10 in a rack asse...

Chapter 2: Unpacking and Installing Your FN10 Page 2-6 Fast Network 10 User Guide 2. Place the FN10 chassis in the cabinet. 3. Secure the FN10 with the rack-mount fasteners by inserting and securing a fastener through each of the four slots in the rack-mount brackets, as shown in Figure 2-4. Figure ...

Connecting the Local Console Manager Fast Network 10 User Guide Page 2-7 5. After several more seconds, the Ready LED will stay on, indicating that the power-up diagnostics sequence is complete. In addition, the Port Link LEDs will turn on for those ports with good links and the Segment Status LEDs ...

Chapter 2: Unpacking and Installing Your FN10 Page 2-8 Fast Network 10 User Guide 2.4 CONNECTING THE FN10 TO THE NETWORK Installations vary depending on existing wiring, application objectives, and other considerations. Be sure to have your current network topology map available or contact your netw...

Adding or Replacing the Optional Fast Ethernet Module Fast Network 10 User Guide Page 2-9 2.4.1 Connecting the AUI Interface The FN10 includes one Ethernet Attachment Unit Interface (AUI) connector (Port 1). To connect the AUI to a thick coax network, you must use an AUI drop cable and a tap-type tr...

Chapter 2: Unpacking and Installing Your FN10 Page 2-10 Fast Network 10 User Guide Figure 2-5 Removing the FN10 Backplate 3. Insert the FE module assembly, making sure the edges of the board fit into the guides that allow the assembly to smoothly glide into place. Refer to Figure 2-6. Figure 2-6 Ins...

Adding or Replacing the Optional Fast Ethernet Module Fast Network 10 User Guide Page 2-11 Figure 2-7 Completed FE Module Installation 6. Reconnect the FN10 to the network, plug in the power cord, and power on the unit. 7. Configure the FE module using the LCM command line interface. Refer to Chapte...

Fast Network 10 User Guide Page 3-1 CHAPTER 3 CONFIGURING YOUR FN10 The FN10 does not require any additional configuration to operate as a standard, transparent switch. However, if you want to use any of the FN10’s advanced functions, such as filtering, you must first assign an IP (Internet Protocol...

Chapter 3: Configuring Your FN10 Page 3-2 Fast Network 10 User Guide • Displaying trunking status • Defining and deleting virtual workgroups • Assigning a community name NOTE You can use the LCM erase command to erase all configuration information on the next system reset. If you are using a network...

Assigning IP Addresses Fast Network 10 User Guide Page 3-3 3.1 ASSIGNING IP ADDRESSES IP addresses for each port must be unique. IP addresses are divided into classes based on what portion of the address is network or port information. The address classes are A, B, and C. • Class A addresses are use...

Chapter 3: Configuring Your FN10 Page 3-4 Fast Network 10 User Guide 3.1.1 Displaying IP Addresses To display IP addresses, subnet masks, and MAC addresses of all ports on the FN10 you are configuring, at the LCM prompt: 1. Type ipaddr LCM displays the current IP address table, for example: 3.1.2 De...

Enabling Bridging Fast Network 10 User Guide Page 3-5 3.2 ENABLING BRIDGING The LCM bridge command allows you to set bridging options for a single port or a range of ports. The options include: • off • on (the default with BPDU enabled) • no BPDU BPDU (Bridge Protocol Data Unit) is a data unit trans...

Chapter 3: Configuring Your FN10 Page 3-6 Fast Network 10 User Guide 3.3 DISABLING BRIDGING To turn off the bridging function for a port or port range, at the LCM prompt: 1. Type bridge [PORT-RANGE] off For example, bridge 2 off would disable bridging on port 2. LCM responds: 3.4 DISPLAYING BRIDGING...

Enabling Trunking Fast Network 10 User Guide Page 3-7 3.5 ENABLING TRUNKING If your network configuration requires you to connect two or more FN10s together, but the applications you are running over the network require more than 10 Mbps of bandwidth per connection, you can use the built-in trunking...

Chapter 3: Configuring Your FN10 Page 3-8 Fast Network 10 User Guide Trunk Groups Each set of connections between two FN10s is called a Trunk Group. You can create several Trunk Groups to interconnect your FN10s. Each FN10 can have up to four Trunk Groups. For example, if you have three FN10s (A, B,...

Disabling Trunking Fast Network 10 User Guide Page 3-9 To enable trunking for the example shown, you would: 1. Connect the desired ports of the FN10s together using 10BASE-T crossover cables. If FN10 A is handling only a small number of users, the A to B Trunk Group could have just two ports per FN1...

Chapter 3: Configuring Your FN10 Page 3-10 Fast Network 10 User Guide 1. Type trunk <PORT-RANGE> off For example, trunk 2-4 off 3.7 DISPLAYING TRUNKING STATUS To check the status of your current trunking configuration, at the LCM prompt: 1. Type trunk <PORT-RANGE> The display could look ...

Displaying Trunking Status Fast Network 10 User Guide Page 3-11 To check the status for ports configured for trunking, at the LCM prompt: 1. Type status <PORT-RANGE> The display could look like the following: The following conditions can be displayed: • Broken — Trunking is enabled, but the po...

Chapter 3: Configuring Your FN10 Page 3-12 Fast Network 10 User Guide 3.8 DEFINING AND DELETING WORKGROUPS The FN10 allows you to define logical groups of associated hosts (virtual workgroups) to provide a more efficient flow of traffic across your Ethernet network. Virtual workgroups offer you the ...

Defining and Deleting Workgroups Fast Network 10 User Guide Page 3-13 The LCM commands used to create the previous configuration are as follows: 1. To create workgroup A on ports 3, 4, 5, 13, and 16: FN10 > workgroup A 3-5,13,16 LCM responds with the following display: Name: a Ports: 3, 4, 5, 13,...

Chapter 3: Configuring Your FN10 Page 3-14 Fast Network 10 User Guide 2. To create workgroup B: FN10 > workgroup B 7,11,16,24 ip 198.113.121.0 LCM responds with the following display: Name: b Ports: 7, 11, 16, 24 Info: IP 198.113.121.0 255.255.255.0 In both cases, a specific NETMASK value was omi...

Assigning a Community Name Fast Network 10 User Guide Page 3-15 To delete a workgroup, at the LCM prompt: 1. Type workgroup NAME delete To create or modify the port list for a specific workgroup, at the LCM prompt: 1. Type workgroup NAME PORT-RANGE To modify the network classification of a specific ...

Chapter 3: Configuring Your FN10 Page 3-16 Fast Network 10 User Guide 3.10 CONFIGURING MULTICAST STORM PROTECTION The FN10 provides automatic protection against multicast storms. Multicast storms are excessive broadcasts to all ports, typically caused by a malfunctioning device. They can result in s...

Modifying MIB Variables Fast Network 10 User Guide Page 3-17 3.11 MODIFYING MIB VARIABLES Specific instructions for controlling FN10 operations, modifying parameters, and so on, depend on the NMS you are using. This manual provides instructions for using LCM commands. However, LCM commands do not ex...

Chapter 3: Configuring Your FN10 Page 3-18 Fast Network 10 User Guide 3.11.4 Authentication Password The set password and get password variables (from the SMC proprietary MIB), must be initialized with the correct authentication passwords. All requests from any SNMP manager contain a community name ...

Fast Network 10 User Guide Page 4-1 CHAPTER 4 MONITORING AND MANAGING YOUR FN10 Monitoring the FN10 consists of collecting and analyzing statistics and system status information. Additional statistics gathered by the FN10 are the result of user-configurable filters. See Chapter 5, FN10 Filters, for ...

Chapter 4: Monitoring and Managing Your FN10 Page 4-2 Fast Network 10 User Guide • MAC statistics • Traffic analysis statistics • SNMP statistics You can use this information to analyze your overall network performance and to make configuration changes as necessary. For example, Ethernet port statis...

Chapter 4: Monitoring and Managing Your FN10 Page 4-6 Fast Network 10 User Guide • The number of received packets with frame alignment errors. • The number of packet transmissions that were initially deferred due to the media being busy. • The number of packets not transmitted due to excessive colli...

FN10 Statistics Fast Network 10 User Guide Page 4-7 4.2.6 Traffic Analysis Statistics You can configure the FN10 to collect statistics on traffic between active Ethernet ports, for example: • Number of packets sent from Station A to Station B. Configure pseudo source-port filter with Station A’s add...

Chapter 4: Monitoring and Managing Your FN10 Page 4-8 Fast Network 10 User Guide • The number of SNMP PDUs received by the FN10 which had an ASN.1 parsing error while being decoded by the FN10. [ snmpInASNParseErrs ] • The total number of MIB objects which have been successfully retrieved by the FN1...

Using LCM to Check FN10 Status Fast Network 10 User Guide Page 4-9 • Address display • Ipaddr • Ident These LCM commands are described in the sections that follow. 4.3.1 Displaying Status The status command displays the status of the FN10 and automatically pages through the status of all of the Ethe...

Chapter 4: Monitoring and Managing Your FN10 Page 4-10 Fast Network 10 User Guide If you do not want to view the status of each Ethernet port, use the Ctrl-C keys to return to the LCM prompt. If you do not want to view the status of port 2, use the Ctrl-C keys to return to the LCM prompt. You can vi...

Using LCM to Check FN10 Status Fast Network 10 User Guide Page 4-11 4.3.2 Displaying MAC Addresses The addresses display command displays all MAC addresses in the FN10 Bridge Address Table. The display includes: • The MAC address • Type of address, including: - Dynamic (learned) - Ethernet port (for...

Chapter 4: Monitoring and Managing Your FN10 Page 4-12 Fast Network 10 User Guide To display all MAC addresses, at the LCM prompt: 1. Type addresses display any LCM responds with a list of all MAC addresses, their associated ports, the type, age, and number of frames from and to that address. If you...

Using LCM to Check FN10 Status Fast Network 10 User Guide Page 4-13 LCM would display: LCM allows you to display MAC addresses in two formats: • Little-endian (default) Little-endian is a method of storing or transmitting data in which the least significant bit of each byte is presented first. This ...

Chapter 4: Monitoring and Managing Your FN10 Page 4-14 Fast Network 10 User Guide 4.3.3 Displaying Manufacturing Information The ident command identifies FN10 manufacturing information, including the part number and any power-up test codes and diagnostic data. To display the manufacturing informatio...

Using LCM to Manage the FN10 Fast Network 10 User Guide Page 4-15 4.5 USING LCM TO MANAGE THE FN10 The LCM commands that enable you to manage the FN10 include: • Disable • Enable • Ipaddr • Community • Baud • Reboot These LCM commands are described in the sections that follow. 4.5.1 Disabling a Port...

Chapter 4: Monitoring and Managing Your FN10 Page 4-16 Fast Network 10 User Guide 4.5.2 Enabling a Port When you enable an Ethernet port that has been disabled, whatever bridging functions you had previously configured for that port are re-enabled. To enable a port, or a range of ports, at the LCM p...

Using LCM to Manage the FN10 Fast Network 10 User Guide Page 4-17 The noRIP option allows you to turn off the routing information that builds the routing table. You would use this option when you are connecting network devices that do not support RIP. 4.5.3 Changing a Subnet Mask You can optionally ...

Chapter 4: Monitoring and Managing Your FN10 Page 4-18 Fast Network 10 User Guide 4.5.4 Changing a Community Name A community name is similar to a password. You use the same steps to assign a new community name or to change an existing community name. This sets the MIB variable sxadminAnyPass . You ...

Using LCM to Manage the FN10 Fast Network 10 User Guide Page 4-19 To display the current baud rate setting, at the LCM prompt: 1. Type baud LCM responds: To change the baud rate setting, at the LCM prompt: 1. Type baud <baud rate> For example, baud 9600 would set the baud rate to 9600. LCM res...

Fast Network 10 User Guide Page 5-1 CHAPTER 5 FN10 FILTERS One of the most significant features of the FN10 is its powerful user-configurable filtering capabilities. A filter is an instruction to the FN10 to screen data packets based on the criteria you define. Filtering is useful for gathering stat...

Port Filters Fast Network 10 User Guide Page 5-5 Likewise, you can assign an Exit port one of the following restrictions: • Only allow a certain number of multicast packets every “n” seconds and then stop transmitting. • Filter a packet destined for this port that matches all of the fields in the Po...

Chapter 5: FN10 Filters Page 5-6 Fast Network 10 User Guide For the fields defined as True, False, or Not Applicable (NA) in the following sections: • True – Means all traffic that matches the field will be filtered. • False – Means all traffic that does not match the field selection will be filtere...

Port Filters Fast Network 10 User Guide Page 5-7 For example, if you had the configuration shown below, the And operator assigned to Port 2 would apply to the next instance of Port 2, not necessarily the next sequential filter number in the Port Filter Table index. The Port filter configuration fiel...

Chapter 5: FN10 Filters Page 5-8 Fast Network 10 User Guide Source Range Start The starting MAC address for the source range of MAC addresses. If you are filtering on a single source address, enter that address here. Source Range End Ending MAC address for the source range of MAC addresses. If you a...

Port Filters Fast Network 10 User Guide Page 5-9 Field Origin Either TYPE, IP, MAC, or SR (see Field Offset description). The origin is the field from which the offset count starts. TYPE Field Offset The decimal offset of the portion of the packet to be examined. If the origin is TYPE, the field off...

Chapter 5: FN10 Filters Page 5-10 Fast Network 10 User Guide When adding or modifying a filter, you must enter both a Source Range Start value and a Source Range End value. For example: Source Range: [NA] (InRange/OutRange/NA)>inrange Source Range Start: [00:00:00:00:00:00] >08:00:20:00:00:00 ...

Using Filters for Security Purposes Fast Network 10 User Guide Page 5-11 Figure 5-1 Using Filters to Restrict Access to an Adjoining Network Segment FN10 Engineering Subnet LAN 2 Accounting Subnet LAN 3 Manufacturing Subnet LAN 1 Concentrator Concentrator

Chapter 5: FN10 Filters Page 5-12 Fast Network 10 User Guide The company wants to allow Engineering and Accounting workstations to access resources on the Manufacturing subnet (LAN 1), but wants to prevent users on the Engineering subnet (LAN 2) from accessing resources on the Accounting subnet (LAN...

Using Filters for Security Purposes Fast Network 10 User Guide Page 5-13 Example 2: Blocking Access to Specific Stations In this example, a company uses a FN10 to connect two LANs (see Figure 5-2). Three workstations on LAN 2 (the Accounting Subnet) contain sensitive data (workstations F, G, and H)....

Chapter 5: FN10 Filters Page 5-14 Fast Network 10 User Guide This information is used to configure the filter as follows: • Filter identifier – port number of the port attached to LAN 2 as a destination. • Filter fields – destination address F-H (range, match) source LAN = 1 (match). Note that a mat...

Using Filters for Security Purposes Fast Network 10 User Guide Page 5-15 Example 3: Restricting Access to Authorized Users The example shown in Figure 5-3 is very similar to the previous example. The difference is that access to workstations F, G, and H will not be denied to all LAN 1 users. Instead...

Chapter 5: FN10 Filters Page 5-16 Fast Network 10 User Guide Note that the FN10 is not storing information designed to identify restricted devices or authorized or unauthorized users. Instead, it is using address information (which it does store) to act on filters that have been configured to meet t...

Using Filters to Enhance Network Performance Fast Network 10 User Guide Page 5-17 Example 4: Using a Firewall Filter to Control Multicasts To optimize network performance, you can configure filters to reduce multicasts (packets broadcast to multiple destinations). In addition, you can prevent multic...

Chapter 5: FN10 Filters Page 5-18 Fast Network 10 User Guide This filter is configured as follows: • Filter identifier – port number of the port attached to LAN 2 as a destination (i.e., exit) • Filter identifier – port number of the port attached to LAN 3 as a destination (i.e., exit) • Filter fiel...

Configuring a Port Filter Fast Network 10 User Guide Page 5-19 5.5 CONFIGURING A PORT FILTER To configure a Port filter, use the Local Console Manager (LCM). The LCM prompts you through the fields for each Port filter you want to configure. If you are adding a Port filter to be used in conjunction w...

Chapter 5: FN10 Filters Page 5-20 Fast Network 10 User Guide Complete the following steps to configure a Port filter. To accept a default value, press the Enter key. At the LCM prompt: 1. Type filters add 2. Enter the port number. 1 is the default. If the filter is for port 1, you do not need to ent...

Configuring a Port Filter Fast Network 10 User Guide Page 5-21 9. Select whether the filter will use a destination range of MAC addresses. NA is the default; meaning the filter will not use a destination range. You do not need to enter anything unless you are using a destination range. (If you are n...

Chapter 5: FN10 Filters Page 5-22 Fast Network 10 User Guide 18. Enter the field value. 19. Enter the field mask. 20. Select the operator. Or is the default. You do not need to enter anything if the filter will use the Or operator. If you want the filter to use the And operator, type And . 21. Enter...

Filtering and Performance Considerations Fast Network 10 User Guide Page 5-23 5.5.2 Deleting a Port Filter To delete a Port filter, at the LCM prompt: 1. Type filters delete LCM prompts you for the filter index. 2. Enter the filter number. LCM responds filter deleted. 5.6 FILTERING AND PERFORMANCE C...

Fast Network 10 User Guide Page 6-1 CHAPTER 6 FN10 DIAGNOSTICS AND TROUBLESHOOTING The FN10 incorporates several built-in diagnostic and testing capabilities which are convenient to use and cause minimal or no disruption to the operational network. These capabilities are effective for isolating prob...

Responses to Failures at Power-up Fast Network 10 User Guide Page 6-3 6.1.3 Software Checksum Comparison When the FN10 reboots, its operational software is verified by a checksum comparison before it is loaded. If the software fails the checksum test due to an interrupted new software distribution p...

Chapter 6: FN10 Diagnostics and Troubleshooting Page 6-4 Fast Network 10 User Guide 6.3.1 Loopback Tests Built-in local and remote loopback tests can be used to test individual ports while the FN10 is operational. When in local loopback mode, a port is disconnected from the network. The FN10 generat...

Status and Activity Indicators Fast Network 10 User Guide Page 6-5 Figure 6-1 FN10 Front Panel LEDs X 2X 3X 4X 5X 6X 7X 8X 9X 10X 11X 12X 13X 14X 15X 16X 17X 18X 19X 20X 21X 22X 23X 24X 13 14 15 16 17 18 19 20 21 22 23 24 AUI 1 Link Link 2 3 1 4 5 6 7 8 9 10 11 12 A B Usr Segment Status Select TX RX...

Chapter 6: FN10 Diagnostics and Troubleshooting Page 6-6 Fast Network 10 User Guide Table 6-2 describes the FN10 buttons. Table 6-1 Meaning of FN10 LEDs LED Meaning Link (upper level of port LEDs) On – Indicates the link is good.Off – Indicates there is no link. Status (lower level of port LEDs) On/...

Troubleshooting Fast Network 10 User Guide Page 6-7 6.5 TROUBLESHOOTING This section lists several situations that could happen while using the FN10, and suggests appropriate action. Because every situation is potentially unique, the corrective actions suggested here should be considered as guidelin...

Fast Network 10 User Guide Page A-1 APPENDIX A TECHNICAL SPECIFICATIONS A.1 FN10 SPECIFICATIONS Physical Height 1.75 in (4.45 cm) (1 u) Width 17 in (43.18 cm) Depth 15.75 in (40 cm) Weight 9 lb (4.1 kg) Installation options Tabletop or rack-mount Electrical Input voltage Auto-ranging from 100-120, 2...

Serial Cable Pin Assignments Fast Network 10 User Guide Page A-3 A.2 SERIAL CABLE PIN ASSIGNMENTS For a PC running a Windows terminal connected to the RS232C Network Management Port on the front panel of the FN10, the following serial cable pin assignments are required to manage the FN10 using the L...

Crossover Wiring Fast Network 10 User Guide Page A-5 A.5 CROSSOVER WIRING Two FN10s can communicate only if the transmitter on one unit is connected to the receiver on the other unit. This reversal, or crossover function, can be implemented either in the wiring or in the device itself. When connecti...

Appendix B: Glossary Page B-6 Fast Network 10 User Guide internetworking The linking of one or more networks to facilitate communication across networks. interoperability The ability of equipment from multiple vendors to exchange information using standardized protocols. IP (Internet protocol) IP is...

Fast Network 10 User Guide Index-1 INDEX Numerics 10BASE-T pin assignments A-3 5 - 4 - 3 rule A-5 802.1D Spanning Tree 3-9 A adding filters 5-20 IP addresses 3-3 address table dynamic entry 1-10 size A-2 address table filters about 5-2 destination address 5-4 source address 5-3 source address multic...