METRObility Optical Systems 8100 manuale d’uso

Network Management Guide Lancast ® CenturyStack ® 8100 Managed Hub 10/100Mbps[...]

© 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. No part of this publication may be reproduced, stored in a retrieval system, translated, tran- scribed, or transmitted, in any form, or by any mea[...]

T able of Contents Managed CenturyStack ® 10/100Mbps Hub Network Management Guide Introduction ............................................................................................... 7 Overview of Managed CenturyStack 8100 Hub ........................ 7 Network Management ................................................................ 8 R[...]

4 CenturyStack 8100 Managed Hub Out-of-Band Menu ............................................................... 22 SNMP Community ................................................................... 23 T rap Receiver ........................................................................... 24 Controlling CenturyStack Hubs ........................[...]

5 6 Event Group Configuration ...................................................... 61 Statistics Information ............................................................... 63 History Information .................................................................. 65 Event Log ........................................................................[...]

6 CenturyStack 8100 Managed Hub[...]

Introduction 7 Introduction Overview of Managed CenturyStack 8100 Hub The Managed CenturyStack 8100 Hub is a series of auto sensing dual speed, manageable and stackable hubs. The Managed CenturyStack Series consists of masters and managed slaves with 12 or 24 ports. The features and functions of the Managed CenturyStack make it a powerful, cost eff[...]

8 CenturyStack 8100 Managed Hub Network Management The Managed CenturyStack Hubs offer extensive management functions including local console, remote telnet, RMON Management, MIB Browser Management, W eb-Based Management and SNMP Management. Remote Network Monitoring (RMON) Remote Monitoring allows users to monitor LANs remotely . Users can remain [...]

Introduction 9 RMON Support RMON is a major step forward in internetwork management. It defines a remote monitoring MIB that supplements MIB-II and provides the network manager with vital information about the internetwork. The Managed CenturyStack Hub Series fully supports RMON Management Groups 1, 2, 3, and 9, and users can set up for RMON Manage[...]

10 CenturyStack 8100 Managed Hub period, and other parameters. Once samples are taken, the data is stored as an entry in a media-specific table. Each entry defines one sample, and is associated with the history Control Entry that caused the sample to be taken. Each counter in the ether History Entry counts the same event as its similarly named coun[...]

Introduction 11 be issued. Managed CenturyStack RMON Management enables users to set up Event Groups. The Event Group Implementation of the Event Group is optional. The Event Group controls the generation and notification of events from the hub. Each entry in the event T able describes the parameters of the event that can be triggered. Each event e[...]

12 CenturyStack 8100 Managed Hub[...]

Getting Started 13 Chapter 1 Getting Started Web-based Management Requirements W eb-based Management allows comprehensive monitoring and configur- ing of the CenturyStack with the familiar interface of a W eb browser . W eb Management uses photographic quality views and real-time updates of hub activity . W eb Management allows managing the Century[...]

14 CenturyStack 8100 Managed Hub The CenturyStack Home Page is loaded into the W eb browser application as shown below . Home Page NOTE: If the CenturyStack Home Page does not load: 1. Review “ Network Configuration ” in the Lancast Century- Stack 8100 Managed Hub Installation and User Guide . 2. Check the hub ’ s IP Address using the Mini-Co[...]

Getting Started 15 Trap W indow A Trap W indow is loaded when a web connection is made to a CenturyStack hub. The T rap W indow is used to indicate any trap messages from the device. The T rap W indow can be closed. When the Trap W indow pops up, users can use the two menu items: Display and Buffer as follows: Display The CenturyStack management T [...]

16 CenturyStack 8100 Managed Hub The following traps are sent to the T rap Frame window: ColdStart: The system is re-initialized and may be altered from a previous state. LinkDown: A failure in one of the communications links. LinkUp: A communication link has come up. AuthenticationFailure: An unauthorized SNMP manager is detected. RptrGroupChange:[...]

Getting Started 17 Device Panel A device panel that emulates the front panel of the CenturyStack managed hub is loaded in the Device Panel window in the web-browser application. The device panel uses Java applets to display the utilization information that is displayed in the Mini-Console. Additional device panels in each device in the CenturyStack[...]

18 CenturyStack 8100 Managed Hub System Information The System Information Menu displays information about the system software. Y ou can view the system software and hardware information and configure the following system configurations: System Contact, System Name and System Location. System Information The following System Information is configur[...]

Management Setup 19 Chapter 2 Management Setup Network Configuration The Network Configuration Menu enables users to configure connections to the CenturyStack hubs. The Ethernet Menu is used to setup Ethernet connections. The Slip Menu is used to setup slip connections. The Console Menu is used to setup console or serial connections. The SNMP Commu[...]

20 CenturyStack 8100 Managed Hub Slip Menu The Slip Menu displays current Slip configurations and allows users to make new slip configuration settings, IP Address and Subnet Mask. Network Configuration – Slip Menu Please select Save to update the new configuration.[...]

Management Setup 21 Serial Port Configuration The Serial Port Configuration enables users to monitor and configure Out- of-Band serial connections through the sub menus, Console Menu and Out-of-Band Menu. Serial connections allow users to connect to the Hub while the hub is operating either by cable or modem. Console Menu A Console Port connection [...]

22 CenturyStack 8100 Managed Hub Out-of-Band Menu The Out-of-Band Menu allows setting up for connections to CenturyStack using a modem. Users can configure the Baud Rate to attain the fastest speed available to both the hub and the modem. Serial Port Configuration – Out-of-Band Menu The following shows the configurations and the optional values a[...]

Management Setup 23 SNMP Community The SNMP Community Setup Menu allows setting up a maximum of six Community Names, setting Access Right and Status. SNMP Community Setup Menu T o setup an SNMP community , enter a valid SNMP Community name in the SNMP Community Name field. Set the Access Right (Read Only or Read/W rite) and Status, then select Add [...]

24 CenturyStack 8100 Managed Hub Trap Receiver The T rap Receiver Setup Menu allows setting up a maximum of six trap receivers. Users can setup trap receivers to receive traps when network violations occur . T rap Receiver Setup Menu T o set up T rap Receivers enter an Index number , a SNMP T rap Receiver Name, the SNMP manager IP Address of the tr[...]

Controlling CenturyStack Hubs 25 Chapter 3 Controlling CenturyStack Hubs Users can control Managed CenturyStack Hubs by selecting Device Control from the main menu. The following lists the controls available and a brief description of the control. Device Control Description Repeater Group Control/Status Monitor and configure hubs in the stack Repea[...]

26 CenturyStack ® 8100 Managed Hub Group Control The Repeater Group Control/Status Menu displays status information for groups and allows enabling or disabling a group as well as naming and resetting the group. Repeater Group Control[...]

Controlling CenturyStack Hubs 27 Repeater Group Control – 2 T o configure the Repeater Group Control, first select a group (1 – 6) and click the Submit button, to load the configurations for the selected group. Next configure the items listed below and select Save , to update the new configuration. Repeater Group Control Group Admin State No Ch[...]

28 CenturyStack ® 8100 Managed Hub Port Control The Repeater Port Control/Status Menu displays status information for each port of each linked repeater . This menu allows enabling or disabling the Administration State, setting the Speed Control, and enabling or disabling Link Status Change Notification for ports. Repeater Port Control-1[...]

Controlling CenturyStack Hubs 29 Repeater Port Control-2 T o configure repeater ports, first select the group (1 – 6) and select Submit to load the configurations for the selected group. Next select the port of the selected group that is to be configured. Then configure the items listed below and select Save to update the new configuration. Repea[...]

30 CenturyStack ® 8100 Managed Hub Switch Module Control Switch Modules are slide-in units that can be inserted into managed CenturyStack Hubs to gain additional functions such as extending distances and switching between different speeds. The 3-Port Bridge Module has two internal ports (to bridge 10M and 100M segments) and one external port. The [...]

Controlling CenturyStack Hubs 31 T o configure the 3-Port Bridge Module, first select the group (1 – 6) where a module exists and select Submit . If a module exists in the selected group, it is indicated next to Description under Current Configuration. Next, configure the items listed below and select Save to update the new configuration. 3-Port [...]

32 CenturyStack ® 8100 Managed Hub Redundant Link Control The Redundant Link Control Menu allows configuring of up to 24 pairs of redundant links within a stack. Users can ensure that all packets sent will reach their destination even in the event of a hub failure when Link Pairs are configured. Configuring Link Pairs requires naming the Link Pair[...]

Controlling CenturyStack Hubs 33 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 . Editing a Link Pair Users can edit a Link Pair by entering the Link Pair number (of an existing Link Pair) and reconfiguring the rest of the columns, then se[...]

34 CenturyStack ® 8100 Managed Hub Intrusion Control The Security Intrusion Control/Status Menu allows setting up security features. Intrusion control is a MAC address-based capability to prevent any unauthorized nodes from accessing the network. The hub monitors those nodes that have been secured by the security control function. When a security [...]

Controlling CenturyStack Hubs 35 Security Intrusion-2 T o configure Security Intrusion: 1. Select a port number from the Port Number drop down list. 2. Set the Intrusion Status. 3. Set the Intrusion Auth Address Auto Learn. 4. Enter the Intrusion Auth MAC Address. 5. Set the Intrusion Action. 6. Save Security Intrusion Control/Status Group Number H[...]

36 CenturyStack ® 8100 Managed Hub[...]

Monitoring the Network 37 Chapter 4 Monitoring the Network CenturyStack network management enables users to monitor network statistics counters. Counters can be monitored in relative and absolute values. Counters can be monitored for each segment, each group, and each port. The Network Monitoring Menu also enables Address Search and T racking and c[...]

38 CenturyStack 8100 Managed Hub T o view the Repeater Group Statistics counter , select a group (1 – 6) from the Group Number drop down list. Next select the Display Mode and select Submit to load the counters for the selected group. Repeater Group Statistics Counters Group Number Selected group ’ s Hub ID Display Mode Counter values in Absolu[...]

Monitoring the Network 39 Port Statistics Information Menu – 2 T o view port statistic information, select a group (1 – 6) from the Group Number drop down list. Then select a port (1 – 12/24), set the Display Mode and select Submit to load the counters for the selected port and group.[...]

40 CenturyStack 8100 Managed Hub Port Statistics Information Group Number Number of the group in the stack (1 – 6) Port Number Port number of selected group (1 – 12/24) Display Mode Absolute or Relative Readable Frames T otal readable frames received by the port FCS Errors T otal FCS Errors received by the port Alignment Errors T otal Alignment[...]

Monitoring the Network 41 Address Tracking The Address Tracking Information Menu provides per port based, node tracking capability (MAC address based). This capability provides the basic traffic analysis capability to diagnose network problems, such as Intrusion. The node tracking function records the source MAC of each data packet. Up to 15 Source[...]

42 CenturyStack 8100 Managed Hub Address T racking Information Group Number Repeater Group (1 – 6) Port Number Port number of selected group (1 – 12/24) Source Address Change This counter is incremented by one for each time that the Last Source Address for this port has changed Last Source Address The Source MAC Address of the last readable fra[...]

Monitoring the Network 43 Address Search Information CenturyStack network management provides source (MAC address) search capability . This active address tracking capability is used to watch for a given MAC address and report which port on which it was seen. This capability can also be used to collect the necessary information for mapping the topo[...]

44 CenturyStack 8100 Managed Hub 3. Execute the Save command to get the owner of this entry . If the entry is free and available, the Address Search Lock is increased by 1, Address Search Status is set to “ In Use ” , and Address Search Owner is set to “ We b ” , as shown below . Otherwise, the request to own the entry is rejected. 4. After[...]

Monitoring the Network 45 Broadcast Storm Protection The CenturyStack 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, the following actions can be taken: (1) sending a trap, (2) partition the port, or (3) both sending a trap and parti[...]

46 CenturyStack 8100 Managed Hub Segment Rate Thr eshold: the number of broadcast packets received on a given segment per second Port Rate Thr eshold: the number of broadcast packets received on a given port per second. Optional Module Rate Thr eshold: the number of broadcast packets received on each port of a given optional module per second. Form[...]

Monitoring the Network 47 Broadcast Storm Detected CenturyStack network management provides broadcast storm detection. If a broadcast storm is detected, the Broadcast Storm Detected Menu displays the detected broadcast storm Group number , Port number , or the group number of the optional module.[...]

48 CenturyStack 8100 Managed Hub[...]

Remote Network Monitoring 49 Chapter 5 Remote Network Monitoring The CenturyStack Hub fully supports RMON Management Group 1, 2, 3, and 9. Users can setup for RMON Management using W eb-Based Management or SNMP Management. Described here is detailed information for RMON Group 1, 2, 3, and 9 as well as the operation with W eb-Based Management. Remot[...]

50 CenturyStack 8100 Managed Hub • Problem Detection and Reporting The monitor can be configured to recognize conditions, most notably error conditions, and to continuously check for them. When one of these conditions occurs, the event may be logged, and management stations may be notified in a number of ways. • V alue Added Data Because a remo[...]

Remote Network Monitoring 51 Statistic Group Configuration The Statistic Group Configuration enables configuring statistic groups. Indexes can be edited, saved, added, and deleted. Statistics Group Configuration Menu Adding a Statistics Group T o add an index item all the following must be entered: Index, Owner , and Status, otherwise the entry wil[...]

52 CenturyStack 8100 Managed Hub Deleting a Statistics Entry T o delete a statistics entry , enter the index number . Then, select Delete to remove the index item. NOTE: The default Index 1 and 2 cannot be deleted. Modifying a Statistics Group T o modify an existing index item, enter the existing index number with the new information for each field[...]

Remote Network Monitoring 53 History Group Configuration The History Group Menu provides a means of collecting the data gathered by the statistics group over time intervals and storing them for later retrieval. History Groups can be monitored, edited, saved, added and deleted with the History Group Configuration Menu. If any fields are left blank, [...]

54 CenturyStack 8100 Managed Hub Deleting a RMON History Group T o delete a History Group, enter the index number . Then, select Delete to remove the index item. Modifying a RMON History Group T o modify an existing index item, enter the existing index number with the new information for each field. Then, select Save to complete the modification. R[...]

Remote Network Monitoring 55 threshold until the opposite threshold is crossed. The Hub provides the threshold control function to support the RMON Alarm Group. Up to 16 Alarm Control Entries can be created. The syntax and semantic checking are performed to verify the value input by the user before it can be set to the object of Alarm group. The va[...]

56 CenturyStack 8100 Managed Hub T o configure an Alarm Group: 1. Enter the number in the Alarm Group Index (for Creation) field. 2. Select Add . After selecting Add the newly added index number shifts from the “For Cr eation” field, to the “For Modification and Deletion” field, and is ready for modification. 3. Configure the remaining fiel[...]

Remote Network Monitoring 57 Alarm Group Configuration Alarm Group Index • creation Create a new alarm group (number). • modification & deletion Select an existing alarm group to monitor or edit. V ariable Category RMON/ rptr group/ rptr port Alarm Index The current alarm group index number Alarm V ariable Category Read only Alarm Interval [...]

58 CenturyStack 8100 Managed Hub Event Group Configuration Menu-3 The Counter Ids, as shown below , are explained as follows: EtherStats DropEvents: The number of times drop events have been detected due to lack of resources. EtherStats Octets: The total number of octets of data (including those in bad packets) received on the network (excluding fr[...]

Remote Network Monitoring 59 EtherStats CRC Align Errors: The total number of packets received that had a length (excluding framing bits, but including FCS octets) between 64 and 1518 octets, but had either a bad Frame Check Sequence (FCS) with an integral number of octets (FCS Error) or a bad FCS with a non-integral number of octets (Alignment Err[...]

60 CenturyStack 8100 Managed Hub EtherStats Pkts 65 to 127 Octets: The total number of packets (including bad packets) received that were between 65 and 127 octets in length inclusive (excluding framing bits, but including FCS octets). EtherStats Pkts 128 to 255 Octets: The total number of packets (including bad packets) received that were between [...]

Remote Network Monitoring 61 Event Group Configuration The Event group controls the generation and notification of events from the CenturyStack. Each entry in the event T able describes the parameters of the event that can be triggered. Each event entry is fired by an associated condition located elsewhere in the MIB. An event entry may also be ass[...]

62 CenturyStack 8100 Managed Hub T o configure the Event Group: 1. Enter an index number in the Event Group Index field. 2. Enter a description. 3. Select the Event T ype. 4. Enter a valid Event Community name. 5. Enter the Event Owner name. 6. Set the Event Status to valid. 7. Select Add to add the Event Group. After saving an Event Group, the con[...]

Remote Network Monitoring 63 Statistics Information The RMON Statistics Information Menu displays statistics counters in Absolute or Relative values, for 10Mbps segments and 100Mbps segments. T o view statistics information, select an Ethernet Statistics Index from the drop down list. Select the Display Mode and click Submit. The statistics display[...]

64 CenturyStack 8100 Managed Hub Statistics Information Index 1 (10M segment)/2 (100M segment) Display Mode Absolute/Relative Data Source 10M segment/100M segment Owner The name of the Statistics group Status V alid Readable Frames T otal readable frames received by the segment Multicast Frames T otal multicast frames received by the segment Broadc[...]

Remote Network Monitoring 65 History Information The History Information Menu enables users to view history information as configured in the History Group Configuration Menu. RMON History Information T o view history information, select an Ethernet History Index from the drop down list and click Submit . T o view a sample, select an index number fr[...]

66 CenturyStack 8100 Managed Hub RMON History Information-2[...]

Remote Network Monitoring 67 History Information History Control Data Source 10M segment/100M segment History Control Owner Name assigned as the Owner . History Control Bucket Request Number of sample buckets requested History Control Bucket Granted Number of sample buckets that were granted History Control Status V alid/CreateRequest/UnderCreation[...]

68 CenturyStack 8100 Managed Hub Event Log The RMON Event Log Menu displays information based on valid configurations made in the RMON Event Group Configuration Menu. RMON Event Log T o view Event Logs, select the Log Index drop down list and select an index number from the Event Index drop down list and then select Submit .[...]

Remote Network Monitoring 69 Event Log Event Index V alid index items configured in the RMON Event Configuration Menu Log Index Number of the event log Event Description Description of the event Event T ype No Change/Event None/Log/Trap/Log & T rap Event Community Name of the event community Event Owner Owner of the event community Event Status[...]

70 CenturyStack 8100 Managed Hub System Utility The System Utility Menu provides the function System Restart. The system can be restarted at any time without loss of settings. System Restart The System Restart Menu allows the user to reset the system with a W arm start. A warm restart only reloads the system software. System Restart[...]

Additional Information 71 Chapter 6 Additional Information Agency Compliance Product Safety and Compliance Statements: This equipment complies with the following requirements: • UL • CSA • EN60950 (safety) • FCC Part 15, Class A • EN55022 Class A (emissions) • EN50082-1 (immunity) This product shall be handled, stored and disposed of in[...]

72 CenturyStack 8100 Managed Hub Standards Compliance • IEEE 802.3 10BASE-T , 10BASE-5 Ethernet • IEEE 802.3u 100BASE-TX Ethernet • RFC 1213 MIB II RFC 1516 Repeater MIB Proprietary MIBs • RFC 1757 RMON Group 1, 2, 3 and 9 • In-Band and Out-of-Band Management • VT -100 T erminal Interface support Warranty and Servicing Information METRO[...]

Additional Information 73[...]

25 Manchester Street, Merrimack, NH 03054 USA tel: 603-880-1833 • fax: 603-594-2887 www .metrobility .com 5620-810001-001 B 8/01[...]