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Generic SNMPUser Guide

Introduction1-2 Related ManualsChapter 7, Using the IP Routing Table Window, discusses the IP Routing Table and how to route data through your network

Useful Definitions 1-3IntroductionActive openA sequence of events occurring when an entity using an application protocol of the Internet suite (such a

Introduction1-4 Useful DefinitionsTherefore, a site’s core gateway must have routing information on all networks available within the autonomous site,

Useful Definitions 1-5IntroductionMaximum transmission unit (MTU)The largest amount of user-data (e.g. the largest size of an IP datagram) that can be

Introduction1-6 Software ConventionsSubnetA physical network within the IP network.Subnet maskA 32-bit quantity (four binary octets) that filters a de

Software Conventions 1-7IntroductionUsing the MouseThis document assumes you are using a Windows-compatible mouse with two buttons; if you are using a

Introduction1-8 Software Conventions• Dragging means to move the mouse pointer across the screen while holding the mouse button down. It is often used

Getting Help 1-9IntroductionAn OK, Set, or Apply button appears in windows that have configurable values; it allows you to confirm and SET changes you

Introduction1-10 Getting HelpGetting Help from the Global Technical Assistance CenterIf you need technical support related to NetSight Element Manager

2-1Chapter 2System GroupThe System Group window; using the Other Groups menuThe System Group window provides basic information about the type of devic

System Group2-2 Modifying the System Group Administrative FieldsThe System Group window displays the following fields:Object IDDisplays the unique ide

Modifying the System Group Administrative Fields 2-3System GroupFigure 2-3. Contact Text Boxb. Type in the new contact information in the text box; th

System Group2-4 Modifying the System Group Administrative FieldsFigure 2-6. Other Group MenuTo access the Other Groups drop-down menu via the System G

3-1Chapter 3Viewing the Interface GroupViewing interface statistics; using the Admin/Status option and the Last Change fieldThe Interface Group window

Viewing the Interface Group3-2Figure 3-1. Interface Group WindowThe following fields are non-statistical interface descriptions fields:AddressThe inte

3-3Viewing the Interface GroupLast ChangeThe Last Change field (bottom of the window) displays the date and the time since the system was last reiniti

Viewing the Interface Group3-4Unknown Protocol (Received Packets only)The number of packets received via the interface which were discarded because of

4-1Chapter 4Using the Address Translation TableThe Address Translation Table window; editing the Address Translation TableThe Address Translation Tabl

Using the Address Translation Table4-2Figure 4-1. Address Translation Table WindowThe display panel (upper section) of the Address Translation window

4-3Using the Address Translation TableEditing the Address Translation TableYou can modify existing entries in, or add new entries to the Address Trans

iNoticeEnterasys Networks reserves the right to make changes in specifications and other information contained in this document without prior notice.

Using the Address Translation Table4-4

5-1Chapter 5Viewing IP Group StatisticsThe IP Group window; using the Time To Live optionThe Internet Protocol (IP) is the protocol used in the Intern

Viewing IP Group Statistics5-2Figure 5-1. IP Group WindowForwarding StateDisplays whether this entity is acting as an IP gateway in respect to the for

5-3Viewing IP Group Statisticsdatagrams, this counter includes datagrams discarded because the destination address was not a local address. This field

Viewing IP Group Statistics5-4No Route The number of IP datagrams discarded because no route could be found to transmit them to their destination. Thi

5-5Viewing IP Group StatisticsSetting the Time To Live OptionWhen a device transmits an IP datagram, it sets the amount of time, in seconds, the datag

Viewing IP Group Statistics5-6

6-1Chapter 6Viewing the IP Address TableThe IP Address Table window The IP Address Table displays the IP Addresses and the subnet masks for each of th

Viewing the IP Address Table6-2The display panel of the IP Address Table window contains address information for each entry in the table. If there are

7-1Chapter 7Using the IP Routing Table WindowIP Routing Table window; modifying the routing information; The IP Routing Table provides a way for devic

iiAppleTalk, Apple, Macintosh, and TokenTalk are registered trademarks; and Apple Remote Access and EtherTalk are trademarks of Apple Computer, Inc.Sm

Using the IP Routing Table Window7-2 Figure 7-1. IP Routing Table WindowThe IP Routing Table displays the following fields:DestinationThe destination

7-3Using the IP Routing Table WindowRoute MaskIndicates the mask to be logical-ANDed with the destination address before being compared to the value i

Using the IP Routing Table Window7-4Route InfoA reference to MIB definitions specific to the particular routing protocol which is responsible for this

7-5Using the IP Routing Table WindowModifying Entries in the IP Routing Table1. Click in the Destination field, enter the desired destination IP addre

Using the IP Routing Table Window7-6

8-1Chapter 8Using the Net to Media TableThe Net To Media Table window; modifying an entryThe Net to Media Table is used by MIB-II devices to map IP ad

Using the Net to Media Table8-2The display panel (top section) of the Net to Media Table displays address information for the associated interface. Th

8-3Using the Net to Media Table2. Enter the desired changes in the Physical Addr field within the Values set for area.3. Click on the option button co

Using the Net to Media Table8-4

9-1Chapter 9Viewing ICMP Group StatisticsThe ICMP Group windowICMP (Internet Control Message Protocol) is the Internet Protocol mechanism used by netw

iiiANNEX, ANNEX-II, ANNEX-IIe, ANNEX-3, ANNEX-802.5, MICRO-ANNEX-XL, and MICRO-ANNEX-ELS are trademarks of Xylogics, Inc.MAXserver and Xyplex are trad

Viewing ICMP Group Statistics9-2Figure 9-1. ICMP Group WindowThe ICMP Group window displays the following message statistics:ICMP Received Message Sta

9-3Viewing ICMP Group StatisticsTime ExceededThe number of ICMP Time Exceeded messages received, according to the icmpInTimeExcds. When a device disca

Viewing ICMP Group Statistics9-4Address Mask RequestThe number of ICMP Address Mask Request Messages received, according to the icmpInAddrMasks.Addres

9-5Viewing ICMP Group Statisticsdatagram. If the timer expires before all fragments are received, the station discards the fragments it has already re

Viewing ICMP Group Statistics9-6Address Mask ReplyThe number of ICMP Address Mask Reply messages sent, according to the icmpOutAddrMaskReps. To determ

10-1Chapter 10Viewing TCP Group InformationThe TCP Group windowThe Transmission Control Protocol (TCP) is often called reliable stream transport servi

Viewing TCP Group Information10-2Figure 10-1. TCP Group WindowThe left portion of the TCP Group window displays statistics about TCP circuits. The rig

10-3Viewing TCP Group InformationRto. Max. (Retransmit time out Maximum)The maximum value permitted by a TCP implementation for the retransmission tim

Viewing TCP Group Information10-4Closed ConnectionsThe number of times the TCP connections have made a direct transition to the CLOSED state from eith

10-5Viewing TCP Group InformationActive Connections TableThe following information is displayed for each Active Connection in the TCP Group window. If

iv

Viewing TCP Group Information10-6Remote PortThe remote port number for this TCP connection, according to the tcpConnRemPort. Most TCP applications use

11-1Chapter 11Viewing UDP Group InformationThe UDP Group window The User Datagram Protocol (UDP) is the piece of the TCP/IP protocol suite that deals

Viewing UDP Group Information11-2Figure 11-1. UDP Group Window—MIB I and MIB IIThe UDP Group window displays statistics about UDP connections. The Lis

11-3Viewing UDP Group InformationUDP Listener TableThe UDP Listener Table, available for MIB-II devices, displays a list of the active UDP ports on th

Viewing UDP Group Information11-4

12-1Chapter 12Viewing EGP Group InformationThe EGP Group window; displaying the EGP Group Neighbor Table Detail window; using the Event Trigger button

Viewing EGP Group Information12-2Figure 12-1. EGP Group Window—MIB IIThe EGP Group window displays the following statistics:Receive MessagesThe number

Displaying the EGP Group Neighbor Table Detail Window 12-3Viewing EGP Group InformationStateThe EGP state of the local system with respect to this ent

Viewing EGP Group Information12-4 Displaying the EGP Group Neighbor Table Detail WindowThe EGP Group Neighbor Table Detail window displays the followi

Displaying the EGP Group Neighbor Table Detail Window 12-5Viewing EGP Group InformationHelloThe interval between EGP Hello command retransmissions (in

vContentsChapter 1 IntroductionUsing the Generic SNMP User’s Guide...1-1Related Manu

Viewing EGP Group Information12-6 Displaying the EGP Group Neighbor Table Detail Window

13-1Chapter 13Viewing SNMP Group InformationThe SNMP Group window; disabling and enabling authentication failure trapsThe Simple Network Management Pr

Viewing SNMP Group Information13-2Figure 13-1. SNMP Group WindowThe SNMP Group Window displays a summary of PDU activity, and lets you enable or disa

13-3Viewing SNMP Group InformationBad Community NamesThe total number of messages delivered to the SNMP protocol entity which used a SNMP community na

Viewing SNMP Group Information13-4readOnly ErrorsThe total number of valid SNMP PDUs which were delivered to the SNMP protocol entity and for which th

13-5Viewing SNMP Group InformationTotal Trap PDUsThe total number of SNMP Trap PDUs which have been accepted and processed by the SNMP protocol entity

Viewing SNMP Group Information13-6Total Get-Next PDUsThe total number of SNMP Get-Next PDUs which have been generated by the SNMP protocol entity, acc

Index-1IndexAActive open 1-3Active Opens 10-3Address 3-2, 12-2, 12-4Address Errors 5-2Address mask 1-3Address Mask Reply 9-4, 9-6Address Mask Request

IndexIndex-2IICMP Group window 9-1Incoming Seg Errors 10-4InErrs 12-3, 12-4InMsgs 12-4Interface Group window 3-1statistics 3-3Interface Index 4-2, 6-2

Index-3IndexSNMP 1-5, 13-1Socket 1-5Source Quench 9-3, 9-5Specific Mib Def. 3-4Speed 3-2State 10-5, 12-3, 12-4Subnet 1-6Subnet Mask 1-6, 6-2System Des

ContentsviChapter 7 Using the IP Routing Table WindowModifying Entries in the IP Routing Table...

IndexIndex-4

1-1Chapter 1IntroductionHow to use this guide; related guides; useful definitions; software conventions; getting helpWelcome to the Generic SNMP User’