Instruction/ maintenance manual of the product 8124-01-M METRObility Optical Systems
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Installation & User Guide Models: 8124-01-M / 8124-01-S 81 12-01-M / 81 12-01-S Lancast ® CenturyStack ® 8100 Managed Hub 10/100Mbps MDI-II 10/100 Mbps Dual Speed Ethernet Hub MDI-II 1x 2x 3x 4x 5x 6x 9x 8x 7x 10x 11x 12x Switch Module Installed CenturyStack 8112-01-S Powe r 100M Collision Forward Int.
© 1998-1999 METRObility Optical Systems, Inc. All rights reserved. Printed in USA. This publication is protected by the copyright laws of the United States and other countries, with all rights reserved.
T able of Contents CenturyStack ® 8100 Managed Hub Installation & User Guide Introduction ............................................................................................... 7 Unpacking the CenturyStack 8100 Managed Hub ..............
4 CenturyStack ® 8100 Managed Hub Using Expansion Modules ...................................................................... 23 Expansion Module Overview ................................................... 23 Internal Bridge Function ............
5 4 Locking the Mini Console ............................................... 53 Unlocking the Mini Console ........................................... 54 Network Configuration ........................................................ 55 IP Address Configuration .
6 CenturyStack ® 8100 Managed Hub 2/3 Port Bridge Module Control/Status ................................ 87 Redundant Link Control ....................................................... 90 Security Intrusion .........................................
Introduction 7 Introduction Unpacking the CenturyStack 8100 Managed Hub C heck that the following components have been included: • 8100 Series Hub • Rack Mount Bracket and Hardware • Rubber Feet • Cascade Cable • Power Cord • Installation & User Guide (this manual) Y our order has been provided with the safetest possible packaging.
8 CenturyStack ® 8100 Managed Hub The 81 12-01-S managed slave model shown below , includes an LED panel, 12 dual-speed auto sensing ports, 2 MDI-II ports, and a switch module expansion slot.
Introduction 9 Key Features The CenturyStack Dual Speed Managed Hub Series has many advanced features: 10/100Mbps Auto Sensing Ports All ports in the CenturyStack 8100 Series are dual speed auto sensing, including the MDI-II ports. Hubs automatically detect the transmission speed and set the port accordingly .
10 CenturyStack ® 8100 Managed Hub RMON Probe Capability The Remote Network Monitoring (RMON) probe is an instrument that exists for the purpose of managing a network.
Introduction 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.
12 CenturyStack ® 8100 Managed Hub Front Panel Overview: Managed Slaves An LED panel, 12 dual-speed, auto sensing ports, switch module installed LED, and 2 MDI-II shared ports are on the front panel of the unit.
Introduction 13 LED Indication The hub’ s LEDs indicate status information for the device, its ports for both segments (10Mbps and 100Mbps), and switch status. LED Indicators 12 Port CenturyStack ® 8124-01-S Pow e r 100M Collision Forward Int. Switch Ext.
14 CenturyStack ® 8100 Managed Hub Forwarding LED* indicator meaning Forward Status Int Ext Meaning LED Switch Switch 100M On On Off A 10Mbps transmission being received by 100Mbps segment through th.
Introduction 15 • Internal Switch (Bridge): The Internal Switch LED is always on when the internal switch (bridge) function is active and forwarding the data. • External Switch (Bridge): The External Switch LED is on when data is being forwarded from one segment to another segment through the external switch port.
16 CenturyStack ® 8100 Managed Hub Mini Console The Mini Console is a high definition display with console keys that enables you to easily monitor and configure the system. The Mini Console provides watch diagnostic functions, including port settings, status monitoring, traf fic utilization, collision, and error rate.
Installation 17 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.
18 CenturyStack 8100 Managed Hub Cascading hubs with cascade cables to make a stack is as simple as connecting the Up port of one hub to the Down port of another hub as illustrated below . Cascade Ports NOTE: T o connect the cascade cable, the Up port on one hub connects to the Down port of another hub.
Installation 19 • Console Management Refer to Chapter 4: Console Management • W eb-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.
20 CenturyStack 8100 Managed Hub 10Mbps connections. All ports are hot pluggable. It is recommended you label each cable to identify the device or port at each end. Connecting Devices Connecting W orkstations Install either a 10BASE-T or a 100BASE-TX Fast Ethernet Network Interface Card into each workstation if not already installed.
Installation 21 Connecting Fast Ethernet Switching Hubs Connect 100Mbps devices using UTP/STP Cat 5 cables with RJ-45 connectors, maximum length 5 meters, enabling sending/receiving to other fast Ethernet switching hubs. By default, each port is set to auto sensing mode.
22 CenturyStack 8100 Managed Hub.
Using Expansion Modules 23 Chapter 2 Using Expansion Modules Expansion Module Overview Expansion modules provide additional functions such as internal bridging of 10Mbps and 100Mbps segments and extended distances between devices.
24 CenturyStack 8100 Managed Hub Backpressur e (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.
Using Expansion Modules 25 2. Remove the power from the hub by disconnecting the power cable from the AC outlet. 3. Remove the installed bridge module or blank cover of the expansion module slot (not the NMU slot, only the bottom slot is available) by turning the two knobs on the front counterclockwise as shown below .
26 CenturyStack 8100 Managed Hub 10. For a hub stack with a master present, you must configure the software for the installed bridge module to enable the internal bridge function because the software default setting is disabled. The default software setting will not allow the internal bridge function to enable.
Using Expansion Modules 27 FX Module LED Indicators The LEDs on each module indicate port activity . All LEDs are green. • Link: On, indicates a link is up. • TX: On, indicates a transmission in progress. • RX: On, indicates receiving data. • FDX: On, indicates the port is set to full duplex .
28 CenturyStack 8100 Managed Hub Module 8102-01-X Module 8102-01-X is either an internal bridge for bridging the internal 10Mbps and 100Mbps segments or an external 10/100BASE-TX distance extender with MDI-X and MDI-II interfaces using an RJ-45 cable.
Using Expansion Modules 29 Jumpers: Module 8102-01-X 1 JP18 2 3 1 JP16 2 3 JP15 JP14 JP13 JP12 JP11 JP10 JP9 JP8 JP7 JP6 JP5 JP4 JP3 JP2 JP1 JP18 Backpressure 2-3 EXT SW 1-2 INT SW JP1 I JP16 Disable .
30 CenturyStack 8100 Managed Hub Module 8103-01-X Module 8103-01-X is a 3-port bridge module with a two port internal bridge for bridging 10Mbps and 100Mbps segments and an external 10/100BASE-TX distance extender with MDI-X and MDI-II interfaces using an RJ-45 cable.
Using Expansion Modules 31 Jumpers: Module 8103-01-X 3 2 1 3 2 1 JP7 JP6 JP5 JP4 JP2 JP1 2-3 JP4 – JP6 Int Sw Enable 1-2 Int Sw Disable JP2 2-3 JP7 Backpressure 1-2 Backpressure dis JP1,.
32 CenturyStack 8100 Managed Hub Module 8102-03-X Module 8102-03-X provides a two port internal bridge for bridging 10Mbps and 100Mbps segments or 100BASE-FX distance extender with SC type connectors for fiber cable. The internal bridge must be enabled with on board jumpers before installation.
Using Expansion Modules 33 Jumpers: Module 8102-03-X 3 JP19 2 1 3 JP1 2 1 3 JP17 2 1 JP16 JP15 JP14 JP13 JP12 JP11 JP10 JP9 JP8 JP7 JP6 JP5 JP4 JP3 JP2 JP1 JP19 Backpressure 2-3 EXT SW 1-2 INT SW JP2 .
34 CenturyStack 8100 Managed Hub Module 8103-03-X Module 8103-03-X provides a two port internal bridge for bridging 10Mbps and 100Mbps segments and 100BASE-FX distance extender with SC type connectors and fiber cable. The internal bridge must be enabled or disabled with on board jumpers before installation.
Using Expansion Modules 35 Jumpers: Module 8103-03-X 3 JP1 2 1 1 2 3 3 2 1 JP8 JP7 JP6 JP5 JP3 JP2 JP1 Backpressure Backpressure dis 2-3 Int Sw Enable 1-2 Int Sw Disable JP3 & JP5-7 JP2, JP8 2-3 1.
36 CenturyStack 8100 Managed Hub.
Managing Through the Mini Console 37 Chapter 3 Managing Through the Mini Console Mini Console Overview The Mini Console is a high definition display panel that provides brilliant text and graphics. It displays information about the system, port status or other information depending on the menu selected.
38 CenturyStack 8100 Managed Hub VFD Display The V acuum Florescent Display (VFD) shows the following port and system information: %: The relative percentage of utilization or collision. Port Number Indicators: Indicates the number of a port, and by brightness, indicates status information.
Managing Through the Mini Console 39 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.
40 CenturyStack 8100 Managed Hub 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.
Managing Through the Mini Console 41 PORT ST A TUS ALL PORTS 10M PORTS 100M PORTS LINK UP LINK DOWN POLAR NORMAL POLAR REVERS NO AUTO P ARTS AUTO P ART ENABLE DISABLE PORT 1~PORT N Press “ ENTER ”.
42 CenturyStack 8100 Managed Hub Observing Network T raffic Y ou 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.
Managing Through the Mini Console 43 Selecting a Group Y ou 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.
44 CenturyStack 8100 Managed Hub Monitoring Port Statistics Y ou 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.
Managing Through the Mini Console 45 AUTO P ART T otal number of times the port was auto-partitioned. TOT AL ERRORS T otal errors received by the port including FCS errors, Align errors, Frame T oo Long, Short Events, Late Events, V ery Long Events and Rate Mismatch.
46 CenturyStack 8100 Managed Hub 3. Press <Next> to move the “ port cursor ” to the desired port, the port number displays in the Message Zone, as shown below . Scrolling to a Port 4. Press <Enter> to confirm the selection of the port; and go to the counter type selection menu.
Managing Through the Mini Console 47 Monitoring Port Detail Information Y ou can monitor detailed port information for all ports at once or for individual ports using the Port Status menu. Monitoring All Ports Status T o view all port status: 1. Press <Next> until “ POR T ST A TUS ” displays in the Message Zone.
48 CenturyStack 8100 Managed Hub 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. 10Mbps Ports 4. Press <Next> to view the status of other ports. 100Mbps ports status displays.
Managing Through the Mini Console 49 POLAR REVERSE The receiver (Rx) polarity has been automatically crossed by the hub. NO AUTO P ART Indicates all ports not auto partitioned. AUTO P ART Indicates all Auto Partitioned ports. ENABLED Indicates all Enabled ports.
50 CenturyStack 8100 Managed Hub Configuring Ports The POR T CONFIG menu enables you to configure individual ports or all ports at one time. Y ou 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.
Managing Through the Mini Console 51 Auto Negotiate Ports 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.
52 CenturyStack 8100 Managed Hub 4. Press <Next> to scroll through each configuration item. 5. Press <Enter> to apply the currently displayed configuration to the port.
Managing Through the Mini Console 53 Configuring the Unit 1. Select UNIT CONFIGURA TION from the Main Menu. Unit Config Main Menu 2. Press <Enter> to go to the UNIT CONFIGURA TION menu. 3. Press <Next> to scroll through each configuration option.
54 CenturyStack 8100 Managed Hub Unlocked State 1. Select UNIT CONFIGURA TION from the Main Menu. 2. Press <Enter> to go to the UNIT CONFIGURA TION 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 .
Managing Through the Mini Console 55 3. Y ou 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 .
56 CenturyStack 8100 Managed Hub IP Address 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.
Managing Through the Mini Console 57 Subnet Mask Select the SUBNET MASK option and follow the same procedure for setting an IP Address. Default Gateway Select the DEF AUL T GA TEW A Y option and follow the same procedure for setting an IP Address.
58 CenturyStack 8100 Managed Hub word displays as four asterisks. The current digit blinks, indicating it can be configured. 1. Scroll to UNIT CONFIG and press <Enter>. Y ou are prompted to enter the password, **** PSW appears in the message zone and the first “ * ” flashes.
Managing Through the Mini Console 59 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.
60 CenturyStack 8100 Managed Hub 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).
Master Hub Configuration & Console Management 61 Chapter 4 Master Hub Configuration and Console Management This Chapter is only for CenturyStack Master Hub configuration and management. When installing CenturyStack the first time, it is necessary to configure the hub through the Console Interface.
62 CenturyStack 8100 Managed Hub 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.
Master Hub Configuration & Console Management 63 Y ou can move the cursor between items in menus using the T ab key or arrow keys. Console Management Menu conventions are listed below: Menu T itle: The menu title briefly describes the purpose of the menu.
64 CenturyStack 8100 Managed Hub 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.
Master Hub Configuration & Console Management 65 Main Menu The management functions of CenturyStack are available from the Main Menu. A management function is selected by pressing <T ab> or Up/Down Arrow keys to highlight the function of interest and pressing Enter .
66 CenturyStack 8100 Managed Hub User Authentication: Allows you to configure user names and passwords. System Utility: Allows you to configure software downloads, restart options, and T elnet session timeout intervals. Monitoring System Information The System Information Menu displays information about the system.
Master Hub Configuration & Console Management 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.
68 CenturyStack 8100 Managed Hub Setting up for Management The Management Setup Menu is used to configure CenturyStack for the available management functions. Management Setup Menu Network Configuration: Allows you to configure the IP Address, Subnet Mask, Default Gateway , and SLIP Address.
Master Hub Configuration & Console Management 69 Network Configuration There are several ways or Network Interfaces that you can use to config- ure the hub.
70 CenturyStack 8100 Managed Hub Interface: The current interface number; 1=Ethernet, 2=SLIP Interface T ype: The interface type — Ethernet or SLIP MAC Address: Displays the hub ’ s MAC Address, for example: 00-E0-95-00-00-05. IP Address: The dotted decimal address assigned to the CenturyStack.
Master Hub Configuration & Console Management 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.
72 CenturyStack 8100 Managed Hub 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 T o view the Console Mode settings, select “ Console ” Mode in the Serial Port Configurations.
Master Hub Configuration & Console Management 73 Out-of-Band Operation Mode 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.
74 CenturyStack 8100 Managed Hub 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. Y ou can add, delete, or edit SNMP community names, set the access rights and status.
Master Hub Configuration & Console Management 75 T o 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.
76 CenturyStack 8100 Managed Hub T rap Receiver Setup T raps are messages sent across the network to an SNMP Network Manager . These messages alert the network manager for network manage- ment purposes.
Master Hub Configuration & Console Management 77 T o set up a trap receiver community name: 1. Select a T rap Community Name and press <Enter> to open the configuration menu for the selected index as shown below .
78 CenturyStack 8100 Managed Hub W eb-Based Management Configuration The Management Capability Setup Menu allows enabling or disabling W eb-Based Management and Out-of-Band Management. Use the space bar to toggle between settings. Select Save and press <Enter > to save the setting.
Master Hub Configuration & Console Management 79 Out-of-Band Management Control Y ou can enable or disable Out-of-Band management. • When connecting with local console, this setting takes effect immediately . • When connecting with T elnet, the system must be restarted before the setting takes effect.
80 CenturyStack 8100 Managed Hub T rap Filter Selecting this option presents the T rap Filter Menu as shown below . T rap Filter Menu 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.
Master Hub Configuration & Console Management 81 Controlling Devices The Device Control Menu displays the configurable device sub menus. Device Control Menu Repeater Group Control/Status : Allows you to read and configure all the hubs in a stack. Repeater Port Control/Status: Allows you to read and configure ports on any hub in a stack.
82 CenturyStack 8100 Managed Hub Repeater Gr oup 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. Repeater Group Control/Status Group Number: The ID number of a hub in the stack; the range is 1~6.
Master Hub Configuration & Console Management 83 Group Last Changed: The value of system uptime since any of the following conditions occurred: • hub cold or warm-started • this instance of gr.
84 CenturyStack 8100 Managed Hub 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 SA VE is executed. • No Reset: None of these are reset. • Reset All: The function logic and counters of the group will be reset.
Master Hub Configuration & Console Management 85 Repeater Port Contr ol/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.
86 CenturyStack 8100 Managed Hub 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 r eturns Link Up for ports.
Master Hub Configuration & Console Management 87 Link T est: Enable or disable link testing. Speed Control: The port speed. The port automatically connects to the 10Mbps or 100Mbps segment based on its port speed. • Auto Negotiate: The speed is detected and the duplex mode is forced to half duplex.
88 CenturyStack 8100 Managed Hub Group Number: The hub ID number assigned to the stack. (1 to 6) Bridge Module Status: Displays the current read only settings.
Master Hub Configuration & Console Management 89 Bridge Module Control This control lists the configurable functions and provides option fields; use Ctrl + S to toggle between options. External Function Admin State: The default value is Disable. • Enable: Enables the external bridge function.
90 CenturyStack 8100 Managed Hub 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.
Master Hub Configuration & Console Management 91 Primary Link Port: This object identifies the port number of the primary link for a given redundant link pair . Secondary Link Group: This object identifies the hub ID of the secondary link for a given redundant link pair .
92 CenturyStack 8100 Managed Hub • Suspend: Indicates that the active ports are disabled and the redundant link function is temporarily suspended until you set its state to enable. NOTE: The suspend state does not cause the port to be switched over .
Master Hub Configuration & Console Management 93 Configuring Redundant Link Control Editing a Link Pair Y ou 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.
94 CenturyStack 8100 Managed Hub Security Intrusion The Security Intrusion Control/Status Menu allows setting up security features. Security Intrusion Control/Status Menu The intrusion control enables you to set up secure ports that allow access by a single authorized MAC address.
Master Hub Configuration & Console Management 95 • Invalid: Purge the security intrusion control configuration for the current port from the system database. Intrusion Authentication Address Auto Learn • Enable: The hub learns the MAC address of the first device from which this port receives data.
96 CenturyStack 8100 Managed Hub Monitoring the Network Statistic counters can be monitored for each repeater group and its ports. The Monitoring Network Menu displays the monitoring sub menus.
Master Hub Configuration & Console Management 97 Broadcast Storm Protection: Monitor the broadcast counters of each hub port to detect if broadcast storming exists in the network. Broadcast Storm Detected: Each hub port or optional module port which causes the broadcast storm displays.
98 CenturyStack 8100 Managed Hub Y ou can monitor the statistics in Absolute or Relative counters. The default is Absolute counters. Repeater Statistics Information Menu (Relative) T otal Tx Collisions: The number of transmission collisions that have occurred in this hub.
Master Hub Configuration & Console Management 99 Repeater Gr oup 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).
100 CenturyStack 8100 Managed Hub Relative Repeater Group Statistics Information Menu (Relative) T otal 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.
Master Hub Configuration & Console Management 101 Repeater Port Statistics Information The Repeater Port Statistics Information Menu shows statistics in Absolute and Relative values.
102 CenturyStack 8100 Managed Hub 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.
Master Hub Configuration & Console Management 103 FCS Errors: The total number of packets received by the port that had a bad Frame Check Sequence. Alignment Errors: T otal Alignment Errors frames within the proper size (64 to 1518 octets) received by the port.
104 CenturyStack 8100 Managed Hub 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.
Master Hub Configuration & Console Management 105 Address T racking Information The Address T racking 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.
106 CenturyStack 8100 Managed Hub 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.
Master Hub Configuration & Console Management 107 Address Sear ch 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 .
108 CenturyStack 8100 Managed Hub Address Search Status • In Use: A management station has obtained ownership. • Not in Use: No other management station has obtained ownership.
Master Hub Configuration & Console Management 109 Broadcast Storm Pr otection 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 .
110 CenturyStack 8100 Managed Hub Optional Module Broadcast Packet Rate Threshold: The 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: The number of broadcast packets received on a given port per second.
Master Hub Configuration & Console Management 111 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.
112 CenturyStack 8100 Managed Hub 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 T o define each user authentication, select an index number and press <Enter>.
Master Hub Configuration & Console Management 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>.
114 CenturyStack 8100 Managed Hub 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.
Master Hub Configuration & Console Management 115 System Download The System Download Menu enables reading Boot Sever Information from a remote BOOTP Server and to download system configuration files, W eb Server database information and system software from a remote TFTP Server .
116 CenturyStack 8100 Managed Hub 2. Perform a cold restart on the system. Y ou 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 .
Master Hub Configuration & Console Management 117 System Restart Menu Y ou 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 .
118 CenturyStack 8100 Managed Hub 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.
Master Hub Configuration & Console Management 119 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: Current user authentication configuration returns to factory defaults.
120 CenturyStack 8100 Managed Hub Configuration Upload Setting CenturyStack network management provides the capability to upload the hub configuration data to the remote server in binary format. Y ou can upload your configuration files and save as a backup in case you need to restore your system settings.
Master Hub Configuration & Console Management 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.
122 CenturyStack 8100 Managed Hub Upload Status: The status of the data transfer with regard 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 .
Technical Information 123 Chapter 5 T echnical Information Product Specifications Standards Compliance IEEE 802.3 10BASE-T , 10BASE5 Ethernet IEEE 802.
124 CenturyStack 8100 Managed Hub Smart Mini Console Configuration, device/port management, and network statistics monitoring (Master only) Three keys on the front panel to perform for all the Mini Co.
Technical Information 125 Power Requirements 100 - 240 V AC, 50/60 Hz Internal universal power supply Environment Operating T emperature: 10 ° to 40 ° C Storage T emperature: -25 ° to 70 ° C Opera.
126 CenturyStack 8100 Managed Hub Agency Compliance Product Safety and Compliance Statements This equipment complies with the following requirements: • UL • CSA • TUV • EN60950 (safety) • FC.
Technical Information 127 W arranty 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.
128 CenturyStack 8100 Managed Hub.
Appendix 129 Appendix Mini Console Menu T ree UTILIZA TION GROUP SELECT GROUP 1~GROUP N ST A TISTICS PORT ST A TUS ALL PORTS HW VER SW VER IP ADDRESS SUBNET MASK DEF AULT GA TEW A Y 10M PORTS 100M POR.
130 CenturyStack 8100 Managed Hub T roubleshooting the Network Q: The local-console ‘ login screen ’ does not come up sometimes when a terminal (PC running terminal emulation) is connected to already booted master hub. Why? A: The screen must be refreshed, when CenturyStack is running and the terminal emulator is started.
Appendix 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.
25 Manchester Street, Merrimack, NH 03054 USA tel: 603-880-1833 • fax: 603-594-2887 www .metrobility .com 5660-810000-001 C 8/01.
An important point after buying a device METRObility Optical Systems 8124-01-M (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought METRObility Optical Systems 8124-01-M yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data METRObility Optical Systems 8124-01-M - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, METRObility Optical Systems 8124-01-M you will learn all the available features of the product, as well as information on its operation. The information that you get METRObility Optical Systems 8124-01-M will certainly help you make a decision on the purchase.
If you already are a holder of METRObility Optical Systems 8124-01-M, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime METRObility Optical Systems 8124-01-M.
However, one of the most important roles played by the user manual is to help in solving problems with METRObility Optical Systems 8124-01-M. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device METRObility Optical Systems 8124-01-M along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
