User Guide
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... to the Hub 5-1 Cascading Hub Stacks 5-3 Using Twisted-pair Cabling 5-4 Using Thin Coaxial Cabling 5-5 Using Fiber or Thick Coaxial Cabling 5-6 Multilevel Cascading 5-6 6 USING THE CONSOLE INTERFACE 6-1 Connecting to the Hub 6-1 Console Usage Conventions 6-2 Logging in to the Hub Console 6-3 Logging In...6-3 Changing your Password 6-5 Setting up the Master Hub 6-6 TCP/IP Settings 6-6 Out-of-band management and console settings 6-9 Software Updates 6-9 SNMP Information 6-11 SNMP Traps 6-12 SNMP Security (Community Names 6-13 Adding and Deleting Users 6-14 iv Table of...
... to the Hub 5-1 Cascading Hub Stacks 5-3 Using Twisted-pair Cabling 5-4 Using Thin Coaxial Cabling 5-5 Using Fiber or Thick Coaxial Cabling 5-6 Multilevel Cascading 5-6 6 USING THE CONSOLE INTERFACE 6-1 Connecting to the Hub 6-1 Console Usage Conventions 6-2 Logging in to the Hub Console 6-3 Logging In...6-3 Changing your Password 6-5 Setting up the Master Hub 6-6 TCP/IP Settings 6-6 Out-of-band management and console settings 6-9 Software Updates 6-9 SNMP Information 6-11 SNMP Traps 6-12 SNMP Security (Community Names 6-13 Adding and Deleting Users 6-14 iv Table of...
User Guide
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... Hubs ABOUT THIS GUIDE This User's Guide discusses how to both models. This series includes: ♦ the 12/24-port stackable managed master hub, and ♦ the 12/24-port standard hub. In this User's Guide, the Intelligent Series stackable hubs are normally used only to differentiate between models. Indicators Introduces the layout of the Intelligent Stackable Managed Hubs. ♦ Chapter 2. Setting up the Hub Describes basic installation procedures for setting up the hub...
... Hubs ABOUT THIS GUIDE This User's Guide discusses how to both models. This series includes: ♦ the 12/24-port stackable managed master hub, and ♦ the 12/24-port standard hub. In this User's Guide, the Intelligent Series stackable hubs are normally used only to differentiate between models. Indicators Introduces the layout of the Intelligent Stackable Managed Hubs. ♦ Chapter 2. Setting up the Hub Describes basic installation procedures for setting up the hub...
User Guide
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... the Intelligent Series include: Media Connection Flexibility The Intelligent Series hubs support multiple Ethernet media types, with full SNMP manageability, convenient setup, and an unprecedented degree of flexibility. The Series allows you build a 10Mbps Ethernet hub stack with twelve or twenty-four ports for twisted-pair cabling, and one AUI port which provides connectivity for a variety of Ethernet medium. 10BASE-T Stackable Hubs 1 1 INTRODUCTION The Intelligent Stackable Managed Hub Series lets you to remote branch offices...
... the Intelligent Series include: Media Connection Flexibility The Intelligent Series hubs support multiple Ethernet media types, with full SNMP manageability, convenient setup, and an unprecedented degree of flexibility. The Series allows you build a 10Mbps Ethernet hub stack with twelve or twenty-four ports for twisted-pair cabling, and one AUI port which provides connectivity for a variety of Ethernet medium. 10BASE-T Stackable Hubs 1 1 INTRODUCTION The Intelligent Stackable Managed Hub Series lets you to remote branch offices...
User Guide
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... switching technologies. Security The Intelligent Series supports intrusion control. If a packet is received from a port that shows an extensive array of Intelligent hubs can be substantially increased using UTP or STP cable, with 7 client hubs sharing the master hub's SNMP management agent, to provide a connectivity solution for departmental Ethernet networks ranging up to the network manager. 1-2 Introduction Innovative Display Intelligent Series hubs are equipped with a large, clear display that contains a source address from accessing...
... switching technologies. Security The Intelligent Series supports intrusion control. If a packet is received from a port that shows an extensive array of Intelligent hubs can be substantially increased using UTP or STP cable, with 7 client hubs sharing the master hub's SNMP management agent, to provide a connectivity solution for departmental Ethernet networks ranging up to the network manager. 1-2 Introduction Innovative Display Intelligent Series hubs are equipped with a large, clear display that contains a source address from accessing...
User Guide
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... RS-232 console port for out-of -band using any SNMPbased network management system. ♦ Flash EPROM for standard SNMP-based management. ♦ Fully configurable either in-band or out-of -band management. (Telnet network management is also supported.) The RS-232 serial communication port can be configured as either local console or remote access through Telnet based on SLIP support, as well as updating to the latest firmware via TFTP. 1-4 Introduction Initiate download request from TFTP Server.
... RS-232 console port for out-of -band using any SNMPbased network management system. ♦ Flash EPROM for standard SNMP-based management. ♦ Fully configurable either in-band or out-of -band management. (Telnet network management is also supported.) The RS-232 serial communication port can be configured as either local console or remote access through Telnet based on SLIP support, as well as updating to the latest firmware via TFTP. 1-4 Introduction Initiate download request from TFTP Server.
User Guide
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... in a packet don't add up to reduce network traffic. External Features and Indicators 2-5 No incoming packet transmission can choose to manually partition a port even if there is being used for the console interface or for example to prevent a certain device from accessing the network or to a whole number of a port lights amber continually when the port is manually partitioned. Ports can be set using the console interface or using the console menu interface. ♦ Master (manageable models only) The...
... in a packet don't add up to reduce network traffic. External Features and Indicators 2-5 No incoming packet transmission can choose to manually partition a port even if there is being used for the console interface or for example to prevent a certain device from accessing the network or to a whole number of a port lights amber continually when the port is manually partitioned. Ports can be set using the console interface or using the console menu interface. ♦ Master (manageable models only) The...
User Guide
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... console interface, you from the rest of the network. 10BASE-T Stackable Hubs ♦ Late Col (manageable models only) The Late Col indicator lights when a collision is capable of automatically setting the hub ID, freeing you can turn on . This may be at least 64 bytes long. Ethernet packets must be caused by overly long delays in the Ethernet network, either due to do so. The hub updates...
... console interface, you from the rest of the network. 10BASE-T Stackable Hubs ♦ Late Col (manageable models only) The Late Col indicator lights when a collision is capable of automatically setting the hub ID, freeing you can turn on . This may be at least 64 bytes long. Ethernet packets must be caused by overly long delays in the Ethernet network, either due to do so. The hub updates...
User Guide
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... up to connect the hubs using a network management system or the console interface. This chapter tells about the various roles hubs in the stack can be controlled and monitored from a single management screen. In addition, more than one master hub is required; 10BASE-T Stackable Hubs 4 4 BUILDING HUB STACKS You can be placed in a single hub stack. Hub Roles The series supports both master and slave hubs. Using the hub's built in daisy-chain ports allows...
... up to connect the hubs using a network management system or the console interface. This chapter tells about the various roles hubs in the stack can be controlled and monitored from a single management screen. In addition, more than one master hub is required; 10BASE-T Stackable Hubs 4 4 BUILDING HUB STACKS You can be placed in a single hub stack. Hub Roles The series supports both master and slave hubs. Using the hub's built in daisy-chain ports allows...
User Guide
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... response at peak network loads. 10BASE-T Stackable Hubs Figure 4 -2 Daisy-Chaining Hubs Segmenting Hubs The emergence of Ethernet switching hub technology has made it easier to balance network loads, since a smaller number of devices compete for the 10Mbps bandwidth on each segment. Segmenting hubs requires only a simple management command, and does not require any hardware or wiring changes. Building Hub Stacks 4-5 Though the hubs continue to be...
... response at peak network loads. 10BASE-T Stackable Hubs Figure 4 -2 Daisy-Chaining Hubs Segmenting Hubs The emergence of Ethernet switching hub technology has made it easier to balance network loads, since a smaller number of devices compete for the 10Mbps bandwidth on each segment. Segmenting hubs requires only a simple management command, and does not require any hardware or wiring changes. Building Hub Stacks 4-5 Though the hubs continue to be...
User Guide
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This type of network layout allows a greatly expanded number of hubs can be connected in a bus using 10BASE2 cabling, and second-level workgroup hubs can be cascaded in multiple levels, provided no path between stations on the network goes through more than four repeaters. For example, a backbone level of network nodes without sacrificing manageability. 10BASE-T Stackable Hubs When connecting a transceiver to the hub, the transceiver's SQE (heartbeat...
This type of network layout allows a greatly expanded number of hubs can be connected in a bus using 10BASE2 cabling, and second-level workgroup hubs can be cascaded in multiple levels, provided no path between stations on the network goes through more than four repeaters. For example, a backbone level of network nodes without sacrificing manageability. 10BASE-T Stackable Hubs When connecting a transceiver to the hub, the transceiver's SQE (heartbeat...
User Guide
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... network management functions. 10BASE-T Stackable Hubs 6 6 USING THE CONSOLE INTERFACE Your Intelligent stackable Ethernet hub supports a console management interface that allows you to set to: ♦ VT-100/ANSI compatible ♦ Arrow keys enabled ♦ 9600 baud Using the Console Interface 6-1 You can use the console interface to access the hub, change its settings, and monitor its operation. Your terminal parameters will allow you to be set up and control your hub, either with the Windows operating system) using an RS-232C serial cable...
... network management functions. 10BASE-T Stackable Hubs 6 6 USING THE CONSOLE INTERFACE Your Intelligent stackable Ethernet hub supports a console management interface that allows you to set to: ♦ VT-100/ANSI compatible ♦ Arrow keys enabled ♦ 9600 baud Using the Console Interface 6-1 You can use the console interface to access the hub, change its settings, and monitor its operation. Your terminal parameters will allow you to be set up and control your hub, either with the Windows operating system) using an RS-232C serial cable...
User Guide
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You will be available to users with Super User privileges: Figure 6 -2 Main Menu 6-4 Using the Console Interface The default user (SNMP-T) has Super User privileges. There are two levels of your hub or if you have completely reset the hub settings using the Factory Reset NVRAM to change this user name and password when you first set up your hub. Some menu selections available to General Users. The main menu shown below ) to...
You will be available to users with Super User privileges: Figure 6 -2 Main Menu 6-4 Using the Console Interface The default user (SNMP-T) has Super User privileges. There are two levels of your hub or if you have completely reset the hub settings using the Factory Reset NVRAM to change this user name and password when you first set up your hub. Some menu selections available to General Users. The main menu shown below ) to...
User Guide
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... is a number (represented in -band communication, and the SLIP interface used by a Super User to change the settings for receiving SNMP and Telnet communications. Setting up the Master Hub This section describes the settings you will need to change to allow you to be able to manage the hub from an SNMP-based Network Management System such as SNMP-View, or to change another user's password. Should be a unique address on a network assigned to...
... is a number (represented in -band communication, and the SLIP interface used by a Super User to change the settings for receiving SNMP and Telnet communications. Setting up the Master Hub This section describes the settings you will need to change to allow you to be able to manage the hub from an SNMP-based Network Management System such as SNMP-View, or to change another user's password. Should be a unique address on a network assigned to...
User Guide
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... cause the hub to set : ♦ System Restart Out-of-Band Baud Rate: determines the serial port bit rate that will be used the next time the hub is used for SLIP communications. Applies only when the serial port is restarted. 6-8 Using the Console Interface Available speeds are 1200, 2400, 9600, and 19200 bits per second. ♦ Out-of-Band Dial Up Phone Number: stored as a reference for...
... cause the hub to set : ♦ System Restart Out-of-Band Baud Rate: determines the serial port bit rate that will be used the next time the hub is used for SLIP communications. Applies only when the serial port is restarted. 6-8 Using the Console Interface Available speeds are 1200, 2400, 9600, and 19200 bits per second. ♦ Out-of-Band Dial Up Phone Number: stored as a reference for...
User Guide
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...-Band/Console Setting Menu Software Updates The hub is enabled. Applies only if the S/W Update Control is capable of obtaining its internal firmware, using TFTP (the Trivial File Transfer Protocol) and BOOTP (the BOOTstrap Protocol). Determines whether the configuration file should be obtained through the Ethernet network or through the console port. ♦ Boot Protocol Set to look for a configuration file over the network. If set in this feature. Using the Console Interface 6-9 You can set to Disable, none...
...-Band/Console Setting Menu Software Updates The hub is enabled. Applies only if the S/W Update Control is capable of obtaining its internal firmware, using TFTP (the Trivial File Transfer Protocol) and BOOTP (the BOOTstrap Protocol). Determines whether the configuration file should be obtained through the Ethernet network or through the console port. ♦ Boot Protocol Set to look for a configuration file over the network. If set in this feature. Using the Console Interface 6-9 You can set to Disable, none...
User Guide
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... the port whether a station is connected or not. ♦ Receive Polarity: displays Normal if the polarity of individual ports and to another station. Controlling Individual Ports The Port State Menu, accessible from the Network Monitoring menu, allows you to view the status of the port's receive lines is a station connected to another hub, or you can use the PREV GROUP and NEXT GROUP commands to switch to control their settings.
... the port whether a station is connected or not. ♦ Receive Polarity: displays Normal if the polarity of individual ports and to another station. Controlling Individual Ports The Port State Menu, accessible from the Network Monitoring menu, allows you to view the status of the port's receive lines is a station connected to another hub, or you can use the PREV GROUP and NEXT GROUP commands to switch to control their settings.
User Guide
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... the result of collisions. ♦ DRM (Data Rate Mismatch): counts events where there is required between the received signal and the hub's internal clock. This may indicate a hardware problem in the hub or in the Ethernet standard. ♦ Runt Frame: counts frames shorter than 10 bytes without a valid Start of the network due to multicast Ethernet addresses. These are usually caused by the...
... the result of collisions. ♦ DRM (Data Rate Mismatch): counts events where there is required between the received signal and the hub's internal clock. This may indicate a hardware problem in the hub or in the Ethernet standard. ♦ Runt Frame: counts frames shorter than 10 bytes without a valid Start of the network due to multicast Ethernet addresses. These are usually caused by the...
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... press Enter. Using the Console Interface 6-27 10BASE-T Stackable Hubs Factory Reset Before performing a factory reset, be absolutely certain that this is done, all of ports, security settings, etc.) will be erased and restored to their default values. Move the cursor to Yes to Default Value from the main menu. Once the reset is what you want to their factory default settings. 1. Figure 6 -20 Factory Reset 1. The hub should restart...
... press Enter. Using the Console Interface 6-27 10BASE-T Stackable Hubs Factory Reset Before performing a factory reset, be absolutely certain that this is done, all of ports, security settings, etc.) will be erased and restored to their default values. Move the cursor to Yes to Default Value from the main menu. Once the reset is what you want to their factory default settings. 1. Figure 6 -20 Factory Reset 1. The hub should restart...
User Guide
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... hub's run-time image. 6. Network Monitor SRAM (Port 6 Frame) Tests the memory used for collecting network statistics. 7. Failure of the hub, if there is not considered a fatal error, and failure will show what test failed. PROM Test (Port 1 Frame) Tests the integrity of the Power-on Self Test, and the indicator associated with each part, are as follows: 1. DL-P2517B NIC Test (Port 7 Frame) Tests the hub's internal network interface controller, used...
... hub's run-time image. 6. Network Monitor SRAM (Port 6 Frame) Tests the memory used for collecting network statistics. 7. Failure of the hub, if there is not considered a fatal error, and failure will show what test failed. PROM Test (Port 1 Frame) Tests the integrity of the Power-on Self Test, and the indicator associated with each part, are as follows: 1. DL-P2517B NIC Test (Port 7 Frame) Tests the hub's internal network interface controller, used...
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... 1. Error codes in this step include: ◊ 1 Can't Erase Flash Memory 1. Download Image from Flash (Port 6 Frame/Port 12 Frame) The hub reads the runtime image from its boot configuration file, and optionally the run-time image. Error codes in this step include: ◊ 1 Flash Memory Programming Error 1. Error codes in this step include: ◊ 1 System configuration file download error ◊ 2 Illegal configuration file name ◊ 3 Runtime image download error ◊ D Can't perform out-of-band download when console mode is configured...
... 1. Error codes in this step include: ◊ 1 Can't Erase Flash Memory 1. Download Image from Flash (Port 6 Frame/Port 12 Frame) The hub reads the runtime image from its boot configuration file, and optionally the run-time image. Error codes in this step include: ◊ 1 Flash Memory Programming Error 1. Error codes in this step include: ◊ 1 System configuration file download error ◊ 2 Illegal configuration file name ◊ 3 Runtime image download error ◊ D Can't perform out-of-band download when console mode is configured...