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METRObility Optical Systems CenturyStack 8124-01-M Installation And User Manual

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Installation & User Guide
Models: 8124-01-M / 8124-01-S
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  Summary of Contents for METRObility Optical Systems CenturyStack 8124-01-M

  • Page 1 Switch Module Installed MDI-II Switch Module Installed Installation & User Guide Models: 8124-01-M / 8124-01-S 8112-01-M / 8112-01-S ® 10/100 Mbps Dual Speed Ethernet Hub 10/100 Mbps Dual Speed Ethernet Hub 10/100 Mbps Dual Speed Ethernet Hub 10/100 Mbps Dual Speed Ethernet Hub...
  • Page 2 METRObility Optical Systems, Inc. Lancast and CenturyStack are registered trademarks of METRObility Optical Systems, Inc. All other trademarks appearing in this manual are the property of their respective owners.
  • Page 3: Table Of Contents

    Table of Contents ® CenturyStack 8100 Managed Hub Installation & User Guide Introduction ... 7 Unpacking the CenturyStack 8100 Managed Hub ... 7 Overview of the CenturyStack 8100 Managed Hub ... 7 Key Features ... 9 Front Panel Overview ... 12 Managed Slaves ...
  • Page 4: Centurystack

    Using Expansion Modules ... 23 Expansion Module Overview ... 23 Internal Bridge Function ... 23 External Bridge Function ... 23 Backpressure (flow control) ... 24 Installing a Bridge Module ... 24 TX Module LED Indicators ... 26 FX Module LED Indicators ... 27 Module 8102-01-X ...
  • Page 5 Locking the Mini Console ... 53 Unlocking the Mini Console ... 54 Network Configuration ... 55 IP Address Configuration ... 55 Subnet Mask ... 57 Default Gateway ... 57 Out-of-Band Configuration ... 57 Securing the Hub ... 57 Setting the Password ... 57 Cancelling the Password ...
  • Page 6 2/3 Port Bridge Module Control/Status ... 87 Redundant Link Control ... 90 Security Intrusion ... 94 Monitoring the Network ... 96 Repeater Statistics Information ... 97 Repeater Group Statistics Information ... 99 Repeater Port Statistics Information ... 101 Address Tracking Information ... 105 Address Search Information ...
  • Page 7: Installation & User Guide

    The CenturyStack twelve port models are 8112-01-M (master) and the 8112-01-S (managed slave). The 8112-01-M master model shown below includes a Network Management Unit (NMU), Mini-Console, 12 dual-speed auto sensing ports, 2 MDI-II ports and a switch module expansion slot. ® CenturyStack 8112-01-M...
  • Page 8 8112-01-S Dual Speed CenturyStack Hub 8112-01-S (Managed Slave) Dual Speed CenturyStack Managed Hub 8124-01-M/S The CenturyStack twenty-four port models are 8124-01-M (master) and 8124-01-S (managed slave). The 8124-01-M master model shown below includes a Network Management Unit (NMU), Mini-Console, 24 dual-speed auto sensing ports, 2 MDI-II ports and a switch module expansion slot.
  • Page 9: Key Features

    Expansion Slots Every model in the CenturyStack 8100 Series has one slot for adding expansion modules, see below. The lower slot accepts switch expansion modules. See Chapter 2: Using Expansion Modules for more information. The upper slot is for the Network Management Unit (NMU) only.
  • Page 10 RMON Probe Capability The Remote Network Monitoring (RMON) probe is an instrument that exists for the purpose of managing a network. The goals of the RMON probe are described in the following sections: Offline Operation, Proac- tive Monitoring, Problem Detection and Reporting, Value Added Data, and Multiple Managers.
  • Page 11 Redundant Link Capacity Redundant links can be configured enabling up to 24 pairs in a CenturyStack. For each pair of redundant links one port must be set as the primary and active, the other as backup and isolated. If the primary port fails, it is isolated and the backup port is set to primary and active.
  • Page 12: Front Panel Overview

    An LED panel, 24 dual-speed, auto sensing ports, switch module installed LED, and 2 MDI-II shared ports are on the front panel of the unit. See below. The Switch Module Installed LED is on if a switch module is installed in the hub. LED Panel ®...
  • Page 13: Led Indication

    (10Mbps and 100Mbps). If there is collision in a segment the LED for that segment is on. • Forward: Packet forwarding is active via the switch module connecting both 10Mbps and 100Mbps domains. Forward LED indicates the packet forward status through the switch modules.
  • Page 14 Switch Switch ® 8100 Managed Hub Meaning A 10Mbps transmission being received by 100Mbps segment through the internal switch A 10Mbps transmission being received by 100Mbps segment through the external switch A 100Mbps transmission being received by 10Mbps segment through the...
  • Page 15: Master Units

    The front panel for model 8112-01-M supports the Mini Console, switch module installed LED, 12-10/100 ports, and 2-MDI-II ports. The front panel for model 8124-01-M supports the Mini Console, switch module installed LED, 24-10/100 ports, and 2-MDI-II ports. The switch module installed LED is on if a switch module is installed.
  • Page 16: Rear Panel Overview

    For more information see Chapter 3: Managing Through the Mini Console. CenturyStack 8124-01-M Rear Panel Overview The rear panel of each hub in the CenturyStack 8100 Series supports 2-expansion slots, two cascade ports and an AC power socket.
  • Page 17: Installation

    Chapter 1 Installation Choosing a Location The CenturyStack location should be less than 100 meters from servers, workstations, or switches. The CenturyStack can be desk mounted or rack mounted. CAUTION: Category 5 UTP/STP cables are environmentally sensitive. Make sure that the cable route is not too close to electrical noise sources such as power lines or fluorescent lights.
  • Page 18: Using Cascade Cables

    Managing the hubs can be accomplished with the master hub’s versatile management capabilities, such as: • Mini Console Management Refer to Chapter 3: Managing Through the Mini Console CenturyStack 8100 Managed Hub Down Down Down Cascade Ports Switch/ Transceiver Switch/ Transceiver Switch/ Transceiver...
  • Page 19: Master Hub Role

    • Console Management Refer to Chapter 4: Console Management • Web-Based Management Refer to the CenturyStack Network Management Guide • SNMP Management Refer to the CenturyStack Network Management Guide Slave Hub Role Slave hubs supply the stack with additional ports (12/24) and an addi- tional expansion module slot.
  • Page 20: Workstations

    10Mbps connections. All ports are hot pluggable. It is recommended you label each cable to identify the device or port at each end. MDI-II Switch Module Installed Shared Ports Connecting Workstations Install either a 10BASE-T or a 100BASE-TX Fast Ethernet Network Interface Card into each workstation if not already installed.
  • Page 21: Connecting To Fast Ethernet Switching Hubs And Devices

    Cat 5 UTP/STP cable. To increase the distance between dual speed hubs you must use fiber cable and connect using an expansion switch module. For more information about expansion switch modules, refer to Chapter 2: Using Expansion Modules.
  • Page 22 CenturyStack 8100 Managed Hub...
  • Page 23: Using Expansion Modules

    Internal Bridge Function The Internal Bridge Function is used for bridging 10Mbps and 100Mbps segments in a hub or in a stack. Only one internal switch can be enabled in a CenturyStack, more than one will cause network looping. IMPORTANT: There can only be one internal switch enabled in a CenturyStack, however multiple external bridges are allowed.
  • Page 24: Backpressure (Flow Control)

    Backpressure (flow control) When packets are passed from 100Mbps segments to 10Mbps segments the flow is restricted due to the lesser capacity of the 10Mbps segment causing backpressure and resulting in dropped packets. With flow control or backpressure enabled, packets are made to wait until the flow is unrestricted before being sent, reducing the number of dropped packets.
  • Page 25 Refer to Chapter 1: Using Cascade Cables. 9. Reconnect the AC power cord to the wall outlet. Insert the Module Using Expansion Modules AC LINE 100-240VAC 50-60Hz, 1.5A MAX Switch/ Transceiver AC LINE 100-240VAC 50-60Hz, 1.5A MAX Switch/ Transceiver...
  • Page 26: Tx Module Led Indicators

    LED is on by default) On, indicates the port is set to full duplex. Off, indicates the port is set to half duplex. Switch Module LINK Link up Receive TX Module LEDs...
  • Page 27: Fx Module Led Indicators

    On, indicates a transmission in progress. On, indicates receiving data. On, indicates the port is set to full duplex. Off, indicates the port is set to half duplex. 3 Ports Switch Module LINK FX Module LEDs Using Expansion Modules Full Duplex...
  • Page 28: Module 8102-01-X

    The default jumper setting for backpressure is disabled. To enable the backpressure function, change JP18 jumper to 2&3. Jumper JP18 • 1&2 =disabled (Default) • 2&3 = enabled CenturyStack 8100 Managed Hub 3 Ports Switch Module LINK 100M MDI-X 100BASE-TX MDI-II...
  • Page 29 JP16 JP18 Backpressure Disable Enable JP18...
  • Page 30: Module 8103-01-X

    The default jumper setting for backpressure is disabled. To enable the backpressure function, change JP1 and JP7 jumpers to 2&3. Jumpers JP1, JP7 • 1&2 = disabled (Default) • 2&3 = enabled CenturyStack 8100 Managed Hub 3 Ports Switch Module LINK 100M MDI-X 100BASE-TX MDI-II...
  • Page 31 JP1, Backpressure Backpressure dis Int Sw Enable Int Sw Disable JP4 – JP6...
  • Page 32: Module 8102-03-X

    Module 8102-03-X Backpressure Jumpers The default jumper setting for backpressure is disabled. To enable the backpressure function, change JP19 jumper to 2&3. Jumper JP19 • 1&2 = disabled (Default) • 2&3 = enabled CenturyStack 8100 Managed Hub 3 Ports Switch Module LINK...
  • Page 33 JP17 JP19 Backpressure Disable Enable JP19...
  • Page 34: Module 8103-03-X

    • 1&2 = disabled (Default) • 2&3 = enabled NOTE: JP2 is used to control the distance extender port and internal 100Mbps-segment backpressure function. JP8 is used to control internal bridge backpressure function. CenturyStack 8100 Managed Hub 3 Ports Switch Module LINK...
  • Page 35 JP2, JP8 Backpressure Backpressure dis Int Sw Enable Int Sw Disable & JP5-7...
  • Page 36 CenturyStack 8100 Managed Hub...
  • Page 37: Managing Through The Mini Console

    • Group Indicators • Symbols (Lock, Caution, WWW, SNMP & OOB) Mini Console Display Panel Port Number Indicator ® ® CenturyStack K % 1 8124-01-M Message Zone Gauge Bars Port Frame Group Indicators 11 12 13 Lock Symbol Mini Console...
  • Page 38: Vfd Display

    VFD Display The Vacuum Florescent Display (VFD) shows the following port and system information: %: The relative percentage of utilization or collision. Port Number Indicators: brightness, indicates status information. See the next table. Port Indicator Frame: partitioned. Message Zone: the menu tree, port information and system information including self-diagnostic tests and error messages.
  • Page 39: Port Indicator Definition

    Port Indicator Definition The port number indicators define the port status and activity by the way they are illuminated, such as ON, OFF, flashing and with a frame around the numbers. The following table summarizes the definition of the port indicators. Port Indicator Definitions Port No.
  • Page 40: Menu Tree

    The following summarizes the Console Key functions. Prev: Cycles back through the current menu level. Next: Cycles forward through the current menu level. Enter: Selects the displayed menu item or when pressed and held changes a setting. Holding down the Enter key changes the default setting and places an “*”...
  • Page 41 PORT STATUS ALL PORTS PORT 1~PORT N PORT CONFIG SYS LOCKED ALL PORT PORT 1~PORT N UNIT CONFIG CONSOLE LOCK NETWORK CONFIG SET PASSWORD SYS RESTART SYS DEFAULT EIA232 CONFG SYSTEM INFO HW VER SW VER IP ADDRESS SUBNET MASK DEFAULT GATEWAY 10M PORTS 100M PORTS...
  • Page 42: Observing Network Traffic

    Observing Network Traffic You can observe the network traffic in the Mini Console with the Utiliza- tion menu. Seven columns of gauge bars, which shift continuously from left to right as time elapses, represent the utilization rate of each segment. The gauge bar columns on the left are for the 10Mbps segment and the gauge bars on the right are for the 100Mbps segment.
  • Page 43: Selecting A Group

    Selecting a Group You can select a group to monitor and configure when there are managed hubs cascaded to the master hub. “Group” refers to a hub in the stack, the range is 1~6 when the maximum number of hubs exist in the stack. You can manage each hub using the Mini Console.
  • Page 44: Monitoring Port Statistics

    Monitoring Port Statistics You can monitor statistics of individual ports or all ports simultaneously using the Statistics Menu. The table, “Port Statistics Counters” lists the available counters that can be monitored. Port Statistic Counters Counter Type READABLE FRAMES READABLE OCTETS FCS ERRORS ALIGN ERRORS FRM TOO LONG...
  • Page 45: Selecting A Port To Monitor

    AUTO PART TOTAL ERRORS Selecting a Port to Monitor 1. Press <Next> until Statistics displays in the Message Zone. K % 1 2. Press Enter to go to the port selection menu and select a port for viewing. In the port selection menu, six units of the gauge bars, below the port number, indicate the current port.
  • Page 46 3. Press <Next> to move the “port cursor” to the desired port, the port number displays in the Message Zone, as shown below. 4. Press <Enter> to confirm the selection of the port; and go to the counter type selection menu. The name of the port statistics counter “READABLE FRM”...
  • Page 47: Monitoring Port Detail Information

    Monitoring Port Detail Information You can monitor detailed port information for all ports at once or for individual ports using the Port Status menu. Monitoring All Ports Status To view all port status: 1. Press <Next> until “PORT STATUS” displays in the Message Zone.
  • Page 48 3. Press Enter to view all the ports’ status at once. The figure below illustrates 10Mbps ports 1, 2, 3, 4, 7, 10, 13, 14, 15, 16, 19 & 22. 4. Press <Next> to view the status of other ports. 100Mbps ports status displays.
  • Page 49: Monitoring Individual Port Status

    POLAR REVERSE NO AUTO PART AUTO PART ENABLED DISABLED Monitoring Individual Port Status To view the status of individual ports: 1. Press <Next> until “PORT STATUS” displays in the Message Zone. 2. Press <Enter> to go to the port selection menu. “ALL PORTS”...
  • Page 50: Configuring Ports

    Configuring Ports The PORT CONFIG menu enables you to configure individual ports or all ports at one time. You are prompted to enter the password when the console is locked. The ports must be configured to match the devices at the other end of the link.
  • Page 51: Configuring A Single Port

    Ports 13 – 24 K % 1 3. Press <Next> to scroll through each configuration item. 4. Press Enter to apply the configuration displayed in the Message Zone to all the ports. Configuring a single port 1. With “PORT CONFIG” displayed in the Message Zone, press <Enter>...
  • Page 52: Unit Configuration

    4. Press <Next> to scroll through each configuration item. 5. Press <Enter> to apply the currently displayed configuration to the port. The applied configuration is indicated by an asterisk sign displayed before the name of the configuration in the Message Zone as shown below, otherwise, the asterisk sign does not appear.
  • Page 53: Configuring The Unit

    Configuring the Unit 1. Select UNIT CONFIGURATION from the Main Menu. K % 1 2. Press <Enter> to go to the UNIT CONFIGURATION menu. 3. Press <Next> to scroll through each configuration option. 4. Press <Enter> to go to the next level of the configuration menu. The following lists Unit Configuration options: Unit Configuration Options Console Lock...
  • Page 54: Unlocking The Mini Console

    1. Select UNIT CONFIGURATION from the Main Menu. 2. Press <Enter> to go to the UNIT CONFIGURATION menu. 3. Console Lock displays in the Message Zone. 4. Press <Next> to toggle to lock. 5. Press <Enter> to set the configuration, a lock sign appears in the display.
  • Page 55: Network Configuration

    3. You are prompted to enter the password. 4. Enter the password. The console is unlocked. Network Configuration The Network Configuration menu allows setting the hub’s IP Address, Subnet Mask and Default Gateway. The hub’s Network Configurations must be set to compatible settings with LAN configurations to make connections to the hub.
  • Page 56 5. Press <Prev> to increase the digit (“0” ~ “9”). NOTE: Use “0” for a blank space, for example: entering “000” equals “0” or entering “022” equals “22”. 6. Press Enter to set the digit and move the cursor to the next digit.
  • Page 57: Subnet Mask

    Subnet Mask Select the SUBNET MASK option and follow the same procedure for setting an IP Address. Default Gateway Select the DEFAULT GATEWAY option and follow the same procedure for setting an IP Address. Out-of-Band Configuration You can set the Out-of-Band configuration with the EIA232 Config Menu, which allows setting the baud rate for the EIA232 port.
  • Page 58: Cancelling The Password

    word displays as four asterisks. The current digit blinks, indicating it can be configured. 1. Scroll to UNIT CONFIG and press <Enter>. You are prompted to enter the password, **** PSW appears in the message zone and the first “*” flashes. Press <Next> to increase the digit.
  • Page 59: Restarting The Hub

    Restarting the Hub The hub will use your configurations to set up the system when it restarts. Restart the system with the Restart Menu using the following steps: 1. Scroll to UNIT CONFIG and press <Enter>. 2. Scroll to SYS RESTART and press <Enter>. 3.
  • Page 60: System Information Menu

    System Information Menu The System Information menu displays information about the device version, the device software version, and the network configuration settings (IP Address, Subnet Mask and Default Gateway). System Information The following system information is cycled through in the Mini Console: System Information HW VER SW VER...
  • Page 61: Master Hub Configuration & Console Management

    PC or DTE device using a serial cable. The CenturyStack has a 9-pin, female connector. Stackable Master Hub Configuration & Console Management Network Management Unit Down RS-232 Management Port 9-pin Female Connector Connecting the Console Interface (NMU) Module AC LINE 100-240VAC 50-60Hz, 1.5A MAX Switch/ Transceiver...
  • Page 62: Menu Convention

    5. Press <ENTER> 2 or 3 times and the login panel to the management interface and login menu appears as shown below. See Menu Convention in the next section to understand the menu fields and commands of the console management interface. Menu Convention This section describes the types of fields and commands of console management menus and their usage.
  • Page 63 You can move the cursor between items in menus using the Tab key or arrow keys. Console Management Menu conventions are listed below: Menu T itle: The menu title briefly describes the purpose of the menu. Check Box: Use to set a configuration item that is enclosed in parentheses “( )”.
  • Page 64: Using The Console Program

    Using the Console Program Ensure that the VT-100 compatible terminal parameters are set. Start the VT-100 compatible terminal and connect power to the hub. If the hub is already powered, press <Enter>, one or more times to bring up the login menu.
  • Page 65: Main Menu

    Main Menu The management functions of CenturyStack are available from the Main Menu. A management function is selected by pressing <Tab> or Up/Down Arrow keys to highlight the function of interest and pressing Enter. The Main Menu appears with the first item highlighted as below. The Main Menu has six major selectable items: System Information, Management Setup, Device Control, Network Management, User Authentication, and System Utility.
  • Page 66: Monitoring System Information

    User Authentication: Allows you to configure user names and passwords. System Utility: Allows you to configure software downloads, restart options, and Telnet session timeout intervals. Monitoring System Information The System Information Menu displays information about the system. You can view the system software and hardware information and config- ure the system configurations as shown below.
  • Page 67 System Description: A textual description of the entity. This also includes the name and version identification of the system’s hardware type, software operating system, and networking software. System Object ID: This ID is the vendor’s authoritative identification of the network management subsystem contained in the entity.
  • Page 68: Setting Up For Management

    Setting up for Management The Management Setup Menu is used to configure CenturyStack for the available management functions. Network Configuration: Address, Subnet Mask, Default Gateway, and SLIP Address. Serial Port Configuration: port connections. SNMP Community Setup: access rights. Trap Receiver: Set up community trap addresses. Management Capability Setup: and Out-Of-Band Management.
  • Page 69: Network Configuration

    Network Configuration There are several ways or Network Interfaces that you can use to config- ure the hub. You must set up the hub using Local Console management to enable the other management capabilities: • Mini Console (see Chapter 3) •...
  • Page 70: Local Console/Remote Telnet-Slip

    NOTE: The SNMP agent, TCP/IP stack and the Web engine are implemented on the 10Mbps bus of the master hub. Therefore the 10Mbps segment must be used for Web-Based Management in the absence of a switch module. CenturyStack 8100 Managed Hub...
  • Page 71 Out-of-Band Serial Configuration Menu The baud rate, character size, parity, and stop bits are read only and not configurable. Baud Rate: The current serial port baud rate that can be configured from the Serial Port Configuration Menu. Character Size: 8 bits character size Parity: None Stop Bits: 1 stop bit IP Address: The dotted decimal address assigned to the SLIP...
  • Page 72: Serial Port Configuration

    Serial Port Configuration The Serial Port Configuration Menu is used to configure Console Mode connections to a VT-100 terminal emulator and Out-of-Band serial connections to a modem. Console Mode To view the Console Mode settings, select “Console” Mode in the Serial Port Configurations.
  • Page 73 Baud Rate: The baud rate can be configured as one from 2400bps, 4800bps, 9600bps, 19200bps. The default is 9600. Character Size: 8 bits character size Parity: No parity. Stop Bits: 1 stop bit Select <Save> to retain the new configuration. The new configuration takes effect if Out-of-Band management is enabled.
  • Page 74: Snmp Community Setup

    SNMP Community Setup The SNMP Community Setup Menu is used to set up SNMP communi- ties. Up to six Community Names, Access Rights, and Status can be configured. You can add, delete, or edit SNMP community names, set the access rights and status.
  • Page 75 To add a community name: 1. Highlight an index number and press <Enter>. An editable panel is presented, “SNMP Community Menu -2”. 2. Enter a name in the Input field. 3. Set the access right and status. 4. Highlight ADD, and press <Enter>, the new name is entered and displayed.
  • Page 76: Trap Receiver Setup

    Trap Receiver Setup Traps are messages sent across the network to an SNMP Network Manager. These messages alert the network manager for network manage- ment purposes. You can set up six trap receivers. You can configure the following: Community Name: of the remote network manager.
  • Page 77 To set up a trap receiver community name: 1. Select a Trap Community Name and press <Enter> to open the configuration menu for the selected index as shown below. Configuring a Community Name The Community Name can be edited, the IP Address can be configured, and the Status can be set to Active or Inactive.
  • Page 78: Web-Based Management Configuration

    Web-Based Management Configuration The Management Capability Setup Menu allows enabling or disabling Web-Based Management and Out-of-Band Management. Use the space bar to toggle between settings. Select Save and press <Enter > to save the setting. This menu lets you enable or disable Web-Based Management and Out- of-Band Management.
  • Page 79 Out-of-Band Management Control You can enable or disable Out-of-Band management. • When connecting with local console, this setting takes effect immediately. • When connecting with Telnet, the system must be restarted before the setting takes effect. Web-Based Management Configuration Master Hub Configuration & Console Management...
  • Page 80: Trap Filter

    Trap Filter Selecting this option presents the Trap Filter Menu as shown below. This menu lets you enable or disable trap filters for those traps defined by RFC1215 and RFC1516. Marking a trap filter disables the trap and no traps are sent for the specified trap. The default is all traps enabled. CenturyStack 8100 Managed Hub Trap Filter Menu...
  • Page 81: Controlling Devices

    Repeater Port Control/Status: configure ports on any hub in a stack. 2/3-Port Bridge Module Control/Status: any Bridge (Switch) Modules such as Module 8102-01-X, Module 8102-03-X, Module 8103-01-X, and Module 8103-03-X in a stack. Redundant Link Control: 24 redundant link pairs.
  • Page 82: Repeater Group Control/Status

    Repeater Group Control/Status The Repeater Group Control/Status displays status information for groups and allows enabling or disabling a group as well as naming and resetting the group. Group Number: The ID number of a hub in the stack; the range is 1~6. Group Status Port Capacity: The maximum number of ports that can be contained within the group (12/24).
  • Page 83 Group Last Changed: the following conditions occurred: • hub cold or warm-started • this instance of group was created (such as, when a device or module was added to the system) • a change in the value of hub operational status •...
  • Page 84 Group Reset All, some or none of the group’s function can be changed by selecting one of these options: NOTE: The selected option takes effect after SAVE is executed. • No Reset: None of these are reset. • Reset All: The function logic and counters of the group will be reset.
  • Page 85: Repeater Port Control/Status

    Repeater Port Control/Status The Repeater Port Control/Status displays status information for each port, of each linked repeater, and allows enabling/disabling, setting the speed, and enabling/disabling link status change notification for ports. The Repeater Port Control/Status menu provides information about the hub’s port status.
  • Page 86 Link Status: The current link status of the port. • Link Down: Link pulses are not detected on this port. • Link Up: Link pulses are being received on this port. NOTE: When the port link test function is disabled, the Port Link Status always returns Link Up for ports.
  • Page 87: 2/3 Port Bridge Module Control/Status

    NOTE: Whenever the Port Link Status is changed, the “hubPortLinkStsChgTrap” will be raised by the hub. 2/3 Port Bridge Module Control/Status This menu displays settings and allows configuring a bridge (switch) module in a given hub in the stack. 2/3 Port Switch Module Control/Status Menu Master Hub Configuration &...
  • Page 88 Group Number: The hub ID number assigned to the stack. (1 to 6) Bridge Module Status: Bridge Description: bridge module. • 8102-01-X Bridge or 10/100BASE-TX Distance Extender • 8103-01-X Bridge and 10/100BASE-TX Distance Extender • 8102-03-X Bridge or 100BASE-FX Distance Extender •...
  • Page 89 You must remove power from the hub before installing or removing the modules. 2. You should enable the internal bridge on only one switch module if you have multiple bridge modules installed in the stack. This prevents a network loop condition.
  • Page 90: Redundant Link Control

    Redundant Link Control The Redundant Link Control menu allows configuring up to 24 pairs of redundant links. A redundant pair consists of any two physically linked ports in the stack, where one is the primary link port and the other is the secondary link port.
  • Page 91 “port switch over” is performed and a trap is sent to the trap receivers. • Enable: A trap is sent to the trap receivers if a switch over occurs. • Disable: No trap is sent to the trap receivers if a switch over occurs.
  • Page 92 5. Enter the Secondary Link Port (1 to 12/24). 6. Enable the Link Switch Over Notify. (Optional) 7. Enable the Status. 8. Select <Save> to update the new Linked Pair. Repeat these steps for each Link Pair.
  • Page 93 Configuring Redundant Link Control Editing a Link Pair You can edit a Link Pair by entering the Link Pair number (of an existing Link Pair) and reconfiguring the rest of the columns, then select Save, the Link Pair is updated to the new settings. Deleting a Link Pair You can delete a Link Pair by entering the Link Pair number (of an existing Link Pair) and setting the Status to Invalid, then select <Save>;...
  • Page 94: Security Intrusion

    Security Intrusion The Security Intrusion Control/Status Menu allows setting up security features. The intrusion control enables you to set up secure ports that allow access by a single authorized MAC address. Group Number: The hub ID number that is assigned to the CenturyStack hub (1-6).
  • Page 95 Intrusion V iolated MAC Address: Displays the MAC address of the last unauthorized device to send to this port. NOTE: If another hub or unrouted switch is attached to a port with Security Intrusion enabled, then only one of possibly many MAC addresses will be allowed to pass data.
  • Page 96: Monitoring The Network

    Monitoring the Network Statistic counters can be monitored for each repeater group and its ports. The Monitoring Network Menu displays the monitoring sub menus. Repeater Statistics Information: as Tx collisions, total frames and total errors and total octets for both 10Mbps segment and 100Mbps segment. Repeater Group Statistics Information: counters for each hub.
  • Page 97: Repeater Statistics Information

    Broadcast Storm Protection: each hub port to detect if broadcast storming exists in the network. Broadcast Storm Detected: port which causes the broadcast storm displays. Repeater Statistics Information Selecting this option presents the Repeater Statistics Information Menu as shown below. Repeater Statistics Information Menu (Absolute) Master Hub Configuration &...
  • Page 98 You can monitor the statistics in Absolute or Relative counters. The default is Absolute counters. Total Tx Collisions: have occurred in this hub. Total Frames: The number of frames received in this hub. Total Errors: Total errors received by the port including FCS errors, Align errors, Frame Too Long, Short Events, Late Events, Very Long Events and Rate Mismatches.
  • Page 99: Repeater Group Statistics Information

    Repeater Group Statistics Information The Repeater Group Statistics Information Menu displays statistics counters for each group. Absolute Repeater Group Statistics Information Menu (Absolute) Statistics information counters for the current hub (Group Number). Counters are displayed in Absolute or Relative values by toggling the display mode.
  • Page 100 Relative Repeater Group Statistics Information Menu (Relative) Total Frames: The number of frames of valid frame length that have been received on the ports of this hub and not including FCS Error and Collision Event. Total Octets: The total number of octets contained in the valid frames that have been received on the ports of this hub.
  • Page 101: Repeater Port Statistics Information

    Repeater Port Statistics Information The Repeater Port Statistics Information Menu shows statistics in Absolute and Relative values. Absolute Repeater Port Statistics Information Menu (Absolute) The Repeater Port Statistics Information Menu displays counter informa- tion for the current port of the current hub. A hub can be selected with the PREV GROUP and NEXT GROUP commands and its ports can be selected with the PREV PORT and NEXT PORT commands.
  • Page 102 Relative Repeater Port Statistics Information Menu (Relative) Display Mode: Relative counters represent the values collected since the relative mode was selected. Absolute values represent the value collected since system start. Group Number: The ID number of a hub in the stack. (1 to 6) Port Number: Port number of selected group.
  • Page 103 FCS Errors: The total number of packets received by the port that had a bad Frame Check Sequence. Alignment Errors: Total Alignment Errors frames within the proper size (64 to 1518 octets) received by the port. Frame T oo Long: Total frames received by the port that were longer than 1518 octets (excluding framing bits, but including FCS octets).
  • Page 104 transmissions. This counter is incremented by one each time that a port automatically isolates as a consequence of false carrier events. The conditions which cause a port to automatically isolate are defined by the transition from the False Carrier state to the Link Unstable state. The port automatically recovers.
  • Page 105: Address Tracking Information

    Address Tracking Information The Address Tracking Information Menu provides per port based node tracking capability (MAC address based). This capability provides the basic traffic analysis function to diagnose network problems, such as Intrusion. The node tracking function records the source MAC of each data packet and provides the filters for data analysis.
  • Page 106 Source MAC Address (00-E0-95-00-00-00 for example) in the tracking list contains the value that is given by the Last Source Address for this port. This list can contain 15 entries. The list does not age out, the first entries are deleted to accommodate new entries when the list is full.
  • Page 107: Address Search Information

    Address Search Information Selecting this option presents the Address Search Information Menu as shown below. Address Search Information Menu The CenturyStack provides per segment based source (MAC address) matching capability. The active address tracking capability is used to watch for a given MAC address and report on which port it was seen. This capability can also be used to collect the necessary information for mapping the topology of a network.
  • Page 108 Address Search Status • In Use: A management station has obtained ownership. • Not in Use: No other management station has obtained ownership. A management station first retrieves the values of the appropriate instances of the Address Search Lock and Address Search Status objects, periodically repeating the retrieval if necessary, until the value of Address Search Status is ‘Not In Use’.
  • Page 109: Broadcast Storm Protection

    Broadcast Storm Protection The Hub periodically monitors the broadcast counters of each hub port to detect a broadcast storm condition. If a hub port is detected to be causing a broadcast storm, it is automatically partitioned and a trap is sent to the network manager.
  • Page 110 Optional Module Broadcast Packet Rate Threshold: number of broadcast packets received on a given optional module per second. The range is 0 to 14,880 packets per second. Port Broadcast Packet Rate Threshold: broadcast packets received on a given port per second. The range is 0 to 14,880 packets per second.
  • Page 111: Broadcast Storm Detected

    Formula for calculating Broadcast packet rate Broadcast packet rate = Broadcast packet received Sampling Interval in Seconds Broadcast Storm Detected This menu displays a list of ports with a detected Broadcast Storm. Broadcast Storm Detected Menu Each broadcast storm is detected and the hub and port number are listed in this menu.
  • Page 112: User Authentication

    User Authentication The User Authentication Menu is used to assign user login names, passwords and read/write privileges. The Mini Console password can be configured in the User Authentication Menu. User Authentication Menu To define each user authentication, select an index number and press <Enter>.
  • Page 113 User Authentication Menu (editable) User Authentication Menu (updated) Select the index number first and press Enter. Enter a user name of up to 12 characters and a password of up to 6 characters, specify read/write privilege and then press <Enter>. Master Hub Configuration &...
  • Page 114: System Utility

    System Utility The System Utility Menu lets you download microcode, restart the Hub, reset the Hub to the factory default, set the login time-outs, configure the upload settings and request an upload. System Download: System downloads are used to update system software or replace existing software that has become corrupted.
  • Page 115: System Download

    System Download The System Download Menu enables reading Boot Sever Information from a remote BOOTP Server and to download system configuration files, Web Server database information and system software from a remote TFTP Server. To download software check Bootp Request, select the appropriate download function, enter the filename with the full path, save the configuration and finally, restart the device from the System Restart Menu.
  • Page 116: System Restart

    2. Perform a cold restart on the system. You should perform a code download only to update existing software or if existing code has become corrupted. Before performing a system download, make sure that you know the IP address of your TFTP server and the location of the files on the server.
  • Page 117 You can restart the system at any time without losing configuration settings, except in the case of a download. When you select Execute and then select <Enter>, a warning message informs the user that system restart is going to be performed right now. Warm: A warm restart restarts the hub at the runtime code.
  • Page 118: Factory Reset

    Factory Reset The Factory Reset Menu allows resetting CenturyStack to the original factory settings. All user configurations will be lost. A Confirm Messages displays before the hub is reset so the user can abort the factory reset. The Factory Reset Menu lets you return all Hub settings to the original default settings.
  • Page 119: Login Timeout Interval

    2. Select how the user wants the user authentication configuration processed during a factory reset: • Not Reset: Current user authentication configuration is saved. • Reset to factory default: configuration returns to factory defaults. 3. Select Execute and press <Enter>. When Execute and Enter are selected, a warning message informs the user that system configuration data will be reset.
  • Page 120: Configuration Upload Setting

    Configuration Upload Setting CenturyStack network management provides the capability to upload the hub configuration data to the remote server in binary format. You can upload your configuration files and save as a backup in case you need to restore your system settings. Enter the TFTP Server IP Address and the chosen file name (for example: filename.CFG) and the path where the files will be uploaded on the server.
  • Page 121 Configuration Upload Request/Status Configuration Upload Request This menu enables you to submit a request for a configuration file upload and view the status of a download. Select Submit to make the Upload Request. TFTP Server IP Address: The IP address of the server where the configuration files will be uploaded.
  • Page 122: Configuration Upload Request/Status

    Upload Status: to errors. • No Error: The upload was successfully stored in the specified configuration file. • No-Such-File: The path specified in the Configuration Filename field cannot be found on the TFTP Server. • Access V iolation: The file specified Configuration Filename field is Write Protected.
  • Page 123: Technical Information

    1 & port 12 respectively 6 hubs per stack SCSI cascade Automatic Unit ID numbering Management data on serial cascade Class II repeater 1 slot for network management unit (Master only) 1 slot for optional switch module Technical Information...
  • Page 124 Smart Mini Console Key Management Features (through Web and SNMP) BOOTP/TFTP Console/Telnet Management VT-100 terminal interface supported SNMP Management CenturyStack 8100 Managed Hub Configuration, device/port management, and network statistics monitoring (Master only) Three keys on the front panel to perform for all the Mini Console functions VFD (Vacuum Fluorescent Display) panel displays text &...
  • Page 125 Power Requirements Environment Safety Regulations EMI Certifications Dimensions Weight Mounting Ordering Information 8112-01-M/8124-01-M 8112-01-S/8124-01-S Optional Modules Module 8102-01-X Module 8102-03-X Module 8103-01-X Module 8103-03-X 100 - 240 VAC, 50/60 Hz Internal universal power supply Operating Temperature: 10 to 40 C...
  • Page 126: Agency Compliance

    Agency Compliance Product Safety and Compliance Statements This equipment complies with the following requirements: • UL • CSA • TUV • EN60950 (safety) • FCC Part 15, Class A • EN55022 Class A (emissions) • EN50082-1 (immunity) • IEC 825-1 Classification •...
  • Page 127: Warranty & Servicing

    Warranty and Servicing Information METRObility Optical Systems, Inc. warrants the CenturyStack 8100 Managed Hub to be in good working order for a period of THREE YEARS from the date of METRObility shipment. Should the unit fail anytime during said three-year period, METRObility will, at its option, replace or repair the product.
  • Page 128 CenturyStack 8100 Managed Hub...
  • Page 129: Appendix

    UTILIZATION GROUP SELECT STATISTICS GROUP 1~GROUP N ALL PORTS PORT 1~PORT N PORT 1~PORT N READABLE FRM READABLE OCT FCS ERRORS ALIGN ERRORS FRM TOO LONG SHORT EVENTS RUNTS COLLISIONS LATE EVENTS VERY LONG EN RATE MISMATCH AUTO PART TOTAL ERRORS PORT STATUS PORT CONFIG UNIT CONFIG...
  • Page 130: Troubleshooting The Network

    LAN and want to install a 8102-01 as an internal switch or have a 8103-01 as both internal and external, or have another slave model in the stack and one 8102-01 as an external...
  • Page 131 Q: Is there a loop detection and isolation feature available in CenturyStack, in case two switch modules (internal bridging enabled on the hardware) are installed in the same stack? A: No. The stack will go into a loop even before the software has booted.
  • Page 132 25 Manchester Street, Merrimack, NH 03054 USA tel: 603-880-1833 • fax: 603-594-2887 www.metrobility.com 5660-810000-001 C 8/01...