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Nortel Ethernet Switch 460/470Configuration — SystemMonitoringATTENTIONClicking on a PDF hyperlink takes you to the appropriate page. If necessary,scro

10 ContentsNortel Ethernet Switch 460/470Configuration — System MonitoringNN47210-503 01.01 Standard3.7 22 February 2007Copyright © 2005-2007, Nortel N

100 Chapter 6 Configuring RMON using Device Managerto drop to zero), the falling alarm cannot fire, because the baseline trafficis always greater than th

RMON Alarms 101intended only to demonstrate how alarms fire; it is not a useful alarm.Because of the high frequency, delete this alarm and replace it w

102 Chapter 6 Configuring RMON using Device ManagerFigure 42Alarm variable listAlarm variables are in three for mats, depending on the type:•A chassis

RMON Alarms 103Alarm Manager dialog box fieldsTable 44Rmon Inser t Alarm dialog box fieldsField DescriptionVariable Name and type of alarm--indicated by

104 Chapter 6 Configuring RMON using Device ManagerStep Action1Select the port on which you have created an alarm.2From the Device Manager main menu, c

RMON Alarms 105Field DescriptionInterval The interval in seconds over which data is sampled and compared withthe rising and falling thresholds. When s

106 Chapter 6 Configuring RMON using Device ManagerField DescriptionFallingThreshold A threshold for the sampled statistic. When the current sampled va

RMON events 107The RmonAlarms dialog box opens displaying the Alarms tab (Figure43 "RmonAlarms dialog box -- Alarms tab" (page 104)).2Click

108 Chapter 6 Configuring RMON using Device ManagerField DescriptionLastTimeSentThe value of sysUpTime at the time this event entry last generatedan ev

RMON Log information 109—End—Deleting an eventTo delete an event:Step Action1In the Events tab, highlight an event Description.2Click Delete.The event

11PrefaceAbout this guideThis guide provides information about system logging, displaying systemstatistics, and configur ing network monitoring on the

110 Chapter 6 Configuring RMON using Device ManagerTable 47 "Log tab fields" (page 110) descr ibes the Log tab fields.Table 47Log tab fieldsItem

RMON Log information 111Figure 48Graph Port dialog box -- RMON tabTable 48 "RMON tab fields" (page 111) describes the RMON tab fields.Table 48

112 Chapter 6 Configuring RMON using Device ManagerField DescriptionFragments The total number of packets received that were less than64 octets in leng

113Chapter 7Configuring RMON using Web-basedmanagementThe RMON management infor mation base (MIB) is an interface betweenthe RMON agent on an Ethernet

114 Chapter 7 Configuring RMON using Web-based managementThe RMON Threshold page opens (Figure 49 "RMON Thresholdpage" (page 114)).Figure 49R

Configuring RMON fault threshold parameters 115Item Range DescriptionCurrentLevelInteger The value of the statistic during the last sampling period.Not

116 Chapter 7 Configuring RMON using Web-based managementItem Range Descriptiongiven delta-valued alarm and add them together, theresult is twice the a

Viewing the RMON fault event log 117Viewing the RMON fault event logRMON events and alarms work together to notify you when values in yournetwork go o

118 Chapter 7 Configuring RMON using Web-based managementItem DescriptionTriggered By Indicates a comment that describes the source of theevent.ID Sign

Viewing RMON Ethernet statistics 119Item DescriptionPackets The number of good packets received that were directed to thebroadcast address. This does

12 PrefaceYou can use any generic SNMP-based network management softwareto configure and manage Ethernet Switches 460 and 470.•TelnetTelnet allows you

120 Chapter 7 Configuring RMON using Web-based management5To refresh statistical information, click Update, or click Back to returnto the Ethernet Stat

Viewing RMON history 121Table 52 "RMON History page items" (page 121) describes the itemson the RMON History page.Table 52RMON History page

122 Chapter 7 Configuring RMON using Web-based managementThe RMON History Statistics Table is updated with information aboutthe selected device and por

123Appendix AQuick steps for port mirroringIf you are a system administrator with experience configuring EthernetSwitch port mirroring, use the flowchar

124 Appendix A Quick steps for port mirroringFigure 53Configuring port mirroring (1 of 2)Nortel Ethernet Switch 460/470Configuration — System Monitoring

Configuring port mirror ing 125Figure 54Configuring port mirroring (2 of 2)Nortel Ethernet Switch 460/470Configuration — System MonitoringNN47210-503 01.

126IndexSymbols/Numerics1..64 field 1121024..1518 field 112128..255 field 112256..511 field 112511..1023 field 11265..127 field 112AAddrMaskReps field 54, 55

Index 127Description field 107DestUnreachs field 54, 56Display Message From field 66Display Messages From field 16Display Unit field 66displaying logs 31Dr

128 IndexLLastTimeSent field 108Late Collisions field 28, 74, 75, 79LateCollisions field 62Link field 75log messages 15Log tab 109logging 31logging remote

Index 129graphing 56, 57graphs for single and multipleports 56product support 14publications 13RReasmFails field 53ReasmOKs field 53ReasmReqds field 53Re

Related publications 13Example: If the command syntax ishttp-server {enable | disable}the options are enable or disable.brackets ([ ]) Indicate option

130 Indexsystem statistics options, viewingEthernet error statistics 77interface statistics 76port statistics 71transparent bridging statistics 79Ttec

Nortel Ether net Switch 460/470Configuration — System MonitoringCopyright © 2005-2007 , Nortel NetworksAll Rights Reserved.Publication: NN47210-503Docu

14 Preface•Nortel Ethernet Switch 460/470 Configuration — Quality of Service andIP Filtering (NN47210-502)•Nortel Ethernet Switch 460/470 Configuration

15Chapter 1Network monitoringThe Ethernet Switches 460 and 470 provide features that allow you tomonitor your network, display switch statistics, and

16 Chapter 1 Network monitoringè Choose Display System Log (or type y) from the main menu.Figure 1System Log screenDisplaying most recent log entry fir

Port mirroring 17Field DescriptionDisplay configurationcomplete?This field allows you to determine whether the configurationinformation received from

18 Chapter 1 Network monitoringPort-based mirroring configurationFigure 2 "Port-based mirroring configuration example" (page 18) shows anexamp

Port mirroring 19•Monitor all traffic received by port X or transmitted by port Y.•Monitor all traffic received by port X (destined to port Y) and thent

Document status: StandardDocument version: 01.01Document date: 22 February 2007Copyright © 2005-2007, Nortel NetworksAll Rights Reserved.The informati

20 Chapter 1 Network monitoringFigure 4Address-based mirroring configuration exampleIn this configuration, the designated monitor port (port 23) can be

Port mirroring 21Note: The screen data displayed at the bottom of the screen changesto show the new currently active port mirroring configuration after

22 Chapter 1 Network monitoring•VLAN configuration settings for any ports configured for port-basedmirroring cannot be changed. Use the Port Mirroring C

Port mirroring 23Table 2 "Port Mirroring Configuration screen fields" (page 23) describes thePort Mirroring Configuration screen fields.Table 2P

24 Chapter 1 Network monitoringField DescriptionIndicates the MAC addresses that is monitored by the designatedport monitor when one of the address-ba

Port Statistics screen 25Field Description<-> Port X and Port Y <-> Monitor all traffic received/transmitted by Port X andreceived/transmi

26 Chapter 1 Network monitoringFigure 7Port statistics screenTable 4 "Port Statistics screen fields" (page 26) describes the Port Statisticss

Port Statistics screen 27Field DescriptionBroadcasts Received column: Indicates the total number of good broadcastpackets received on this port.Transm

28 Chapter 1 Network monitoringField Description512-1023 bytes Received column: Indicates the total number of 512-byte to1023-byte packets received on

Port Statistics screen 29Field DescriptionThe following field values appear only when the port selected in the Unit/Port field is configuredwith a GBI

"Software" is owned or licensed by Nortel Networks, its parent or one of its subsidiaries or affiliates, and iscopyrighted and licensed, not

30 Chapter 1 Network monitoringNortel Ethernet Switch 460/470Configuration — System MonitoringNN47210-503 01.01 Standard3.7 22 February 2007Copyright ©

31Chapter 2Configuring network monitoring usingCLIYou can configure network monitoring features and display switch statisticsusing the CLI. This chapter

32 Chapter 2 Configuring network monitoring using CLITable 5 "show logging command parameters and variables" (page 32)describes the parameter

Setting the system event log 33Table 6 "logging command parameters and variables" (page 33) describesthe parameters and variables for the lo

34 Chapter 2 Configuring network monitoring using CLIParameters and variables Descriptionlevel critical | serious |informationalSpecifies the level of

Enabling remote logging 35Table 8 "clear logging command parameters and values" (page 35) showsthe parameters and values for the clear loggi

36 Chapter 2 Configuring network monitoring using CLITable 9 "show logging command parameters and variables" (page 36)describes the parameter

Enabling remote logging 37no logging remote enable commandThe no logging remote enable command disables sending syslogmessages to a remote server. The

38 Chapter 2 Configuring network monitoring using CLIThe no logging remote address command has no parameters orvariables.logging remote level commandTh

Using port mirroring 39default logging remote level commandThe default logging remote level command sets the severity levelof the logs you send to the

f. This License Agreement is governed by the laws of the country in which Customer acquires the Software.If the Software is acquired in the United Sta

40 Chapter 2 Configuring network monitoring using CLIport-mirroring commandThe port-mirroring command sets the port mirroring configuration. Thesyntax o

Displaying port statistics 41Parameters andvariablesDescriptionXtxMirror packets transmitted on port X.XrxOrXtxMirror packets received or transmitted

42 Chapter 2 Configuring network monitoring using CLIshow port-statistics commandThe show port-statistics command displays the statistics for theport o

Displaying port statistics 43Figure 11show port-statistics command outputclear-stats commandThe clear-stats command clears all statistical information

44 Chapter 2 Configuring network monitoring using CLITable 14 "clear-stats command parameters and variables" (page 44)describes the parameter

45Chapter 3Configuring network monitoring usingDevice ManagerYou can use the Device Manager to configure system logging and to displaychassis and port s

46 Chapter 3 Configuring network monitoring using Device ManagerFigure 12System Log Settings tab—End—Table 15 "System Log Settings tab items"

Remote System Log tab 47Items DescriptionVolatile CurrSize The current number of log messages in the volatileportion of the system log message facilit

48 Chapter 3 Configuring network monitoring using Device ManagerStep Action1From the Device Manager menu bar, select Edit > Diagnostics >System L

Graphing chassis statistics 49Items Description•Critical/Serious/Informational - Causes all logmessages are sent to the remote syslog server•None - Sp

5Revision HistoryVersion Reason for revision01.01Updated software and document references for Release 3.7 software.Nortel Ethernet Switch 460/470Config

50 Chapter 3 Configuring network monitoring using Device ManagerThe Graph Chassis dialog box opens with the SNMP tab displayed(Figure 14 "Graph Ch

Graphing chassis statistics 51Figure 15Graph Chassis dialog box -- IP tab—End—Table 17 "Chassis IP tab fields" (page 51) describes the Chassi

52 Chapter 3 Configuring network monitoring using Device ManagerField DescriptionForwDatagrams The number of input datagrams for which this entitywas n

Graphing chassis statistics 53Field DescriptionFragCreates The number of IP datagram fragments generated as aresult of fragmentation at this entity.Re

54 Chapter 3 Configuring network monitoring using Device Manager—End—Table 18 "ICMP In tab fields" (page 54) describes the ICMP In tab fields.T

Graphing chassis statistics 55The ICMP Out tab opens (Figure 17 "Graph Chassis dialog box --ICMP Out tab" (page 55)).Figure 17Graph Chassis

56 Chapter 3 Configuring network monitoring using Device ManagerField DescriptionDestUnreachs The number of ICMP Destination Unreachablemessages sent.T

Graphing port statistics 57The graphPort dialog box for a single port or for multiple ports opens withthe Interface tab displayed.Note: Some statistic

58 Chapter 3 Configuring network monitoring using Device ManagerTable 20 "Port Interface tab fields for multiple ports" (page 58) descr ibes t

Graphing port statistics 59Field DescriptionOutErrors For packet-oriented interfaces, the number of outboundpackets that were not transmitted because

6 Revision HistoryNortel Ethernet Switch 460/470Configuration — System MonitoringNN47210-503 01.01 Standard3.7 22 February 2007Copyright © 2005-2007, N

60 Chapter 3 Configuring network monitoring using Device ManagerFigure 19Graph Port dialog box -- Port Ethernet Errors tab—End—Table 21 "Ethernet

Graphing port statistics 61Field DescriptionInternalMacReceiveErrorsA count of frames for which reception on aparticular interface fails due to an int

62 Chapter 3 Configuring network monitoring using Device ManagerField DescriptionSingleCollisionFrames A count of successfully transmitted frames ona p

Graphing port statistics 632Do one of the following:•From the Device Manager main menu, choose Graph > Port.•From the shortcut menu, choose Graph.•

64 Chapter 3 Configuring network monitoring using Device ManagerField DescriptionOutFrames The number of frames received by this port fromits segment.I

65Chapter 4Configuring network monitoring usingWeb-based managementYou can configure network monitoring features using Web-basedmanagement.This chapter

66 Chapter 4 Configuring network monitoring using Web-based managementFigure 21System Log pageTable 23 "System Log page fields" (page 66) desc

Configuring port mirror ing 67SectionItem Range DescriptionIndex The number of the event.Time Stamp The time, in hundreths ofa second, between systemin

68 Chapter 4 Configuring network monitoring using Web-based managementThe Port Mirroring page opens (Figure 22 "Port Mirroring page"(page 68)

Configuring port mirror ing 69Item Range DescriptionMAC addresses to monitor, see Table 26"Address-based monitoring modes" (page71).The defau

7ContentsPreface 11About this guide 11Network management tools and interfaces 11Before you begin 12Text conventions 12Related publications 13Obtaining

70 Chapter 4 Configuring network monitoring using Web-based managementTable 25 "Port-based monitoring modes" (page 70) describes theport-base

Viewing system statistics 71Table 26 "Address-based monitoring modes" (page 71) describesthe address-based monitoring modes.Table 26Address-

72 Chapter 4 Configuring network monitoring using Web-based managementStep Action1From the main menu, choose Statistics > Port.The Port page opens (

Viewing system statistics 73SectionItem DescriptionLost Packets The number of packets discarded on this port whenthe capacity of the port transmit buf

74 Chapter 4 Configuring network monitoring using Web-based managementSectionItem DescriptionMultiple Collisions The number of packets transmitted succ

Viewing system statistics 75Figure 24Port Error Summary pageTable 28 "Por t Error Summary Table fields" (page 75) describes theread-only info

76 Chapter 4 Configuring network monitoring using Web-based managementViewing interface statisticsYou can view selected switch interface statistics.To

Viewing system statistics 77Item DescriptionOut Non-Unicast The number of packets that higher-level protocols requestedbe transmitted to a non-unicast

78 Chapter 4 Configuring network monitoring using Web-based managementFigure 26Ethernet Errors pageTable 30 "Ethernet Errors page items" (pag

Viewing system statistics 79Item DescriptionSQE Test Errors The number of times that the SQE TEST ERROR message is generatedby the PLS sublayer for a

8 ContentsDisplaying port statistics 41show port-statistics command 42clear-stats command 43Chapter 3 Configuring network monitoring using DeviceManage

80 Chapter 4 Configuring network monitoring using Web-based managementFigure 27Transparent Bridging pageTable 31 "Transparent Bridging page items&

Monitoring MLT traffic 81—End—Monitoring MLT trafficYou can monitor the bandwidth usage for the MultiLink Trunk member portswithin each trunk in your co

82 Chapter 4 Configuring network monitoring using Web-based managementSectionItem Range DescriptionUnit/Port A list of the trunk member switchports tha

83Chapter 5Configuring RMON using the CLIThe remote network monitoring (RMON) management information base(MIB) is an interface between the RMON agent o

84 Chapter 5 Configuring RMON using the CLIThe show rmon alarm command is in the privExec mode.The show rmon alarm command has no parameters or variabl

show rmon stats 85Figure 31 "show rmon history command output" (page 85) displays asample output of the show rmon history command.Figure 31s

86 Chapter 5 Configuring RMON using the CLIFigure 32show rmon stats command outputrmon alarmThe rmon alarm command allows you to set RMON alarms andthr

no rmon alarm 87Parameters and variables Description<1-2147483647>The sampling interval in seconds.absoluteUse absolute values (value of theMIB

88 Chapter 5 Configuring RMON using the CLIrmon eventThe rmon event command allows you to configure RMON event log andtrap settings. The syntax for the

rmon stats 89rmon history <1-65535> <LINE> <1-65535> <1-3600> [owner<LINE>]The rmon history command is in the config comm

Contents 9Creating a history 92Disabling history 94Viewing RMON history statistics 94Enabling Ethernet statistics gathering 96Disabling Ethernet stati

90 Chapter 5 Configuring RMON using the CLITable 39 "rmon stats command parameters and variables" (page 90)describes the parameters and varia

91Chapter 6Configuring RMON using DeviceManagerThe Remote Network Monitoring (RMON) MIB is an interface betweenthe RMON agent on an Ethernet Switch and

92 Chapter 6 Configuring RMON using Device ManagerRMON historyEthernet histor y records periodic statistical samples from a network. Asample is called

Working with RMON information 93Figure 34RmonControl, Insert History dialog box3Select the port from the port list or type the port number.4Set the nu

94 Chapter 6 Configuring RMON using Device ManagerField DescriptionInterval The interval in seconds over which the data is sampledfor each bucket in th

Working with RMON information 95Figure 35Rmon Histor y statisticsTable 42 "Rmon History statistics tab fields" (page 95) describes the RmonHi

96 Chapter 6 Configuring RMON using Device ManagerField DescriptionUndersizePktsThe number of packets received during the sampling intervalthat were le

Working with RMON information 97The RmonControl, Insert Ether Stats dialog box opens (Figure 37"RmonControl, Insert Ether Stats dialog box"

98 Chapter 6 Configuring RMON using Device ManagerDisabling Ethernet statistics gatheringTo disable Ethernet statistics that you have set:Step Action1F

RMON Alarms 99rising value, the alarm fires as a rising event. During the first interval thatthe data drops below the falling value, the alarm fires as a