Avaya Configuring SNMP, RMON, BOOTP, DHCP, and RARP Services Uživatelský manuál

Part No. 117362-A Rev. ASeptember 1997BayRS Version 12.00Site Manager Software Version 6.00 Configuring SNMP, RMON, BootP, DHCP, and RARP Service

x 117362-A Rev. A Chapter 6 Customizing DHCP Customizing DHCP Parameters ...

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-26 117362-A Rev. AUsing Site ManagerTo delete a trap exception, complete the tasks in the foll

Customizing SNMP117362-A Rev. A 3-27 Disabling and Reenabling ThresholdsBy default, the thresholds feature is enabled on all interfaces on which IP is

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-28 117362-A Rev. ATo set the threshold polling interval, complete the tasks in the following t

Customizing SNMP117362-A Rev. A 3-29 Enabling and Disabling Thresholds for a VariableYou can decide whether to turn the threshold for a specific variab

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-30 117362-A Rev. ASpecifying a Value for the Threshold LevelYou can specify an integer value t

Customizing SNMP117362-A Rev. A 3-31 To specify the severity level for event messages, complete the tasks in the following table.Specifying Threshold

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-32 117362-A Rev. ATo specify threshold units, complete the tasks in the following table.Determ

Customizing SNMP117362-A Rev. A 3-33 To determine when to record threshold events, complete the tasks in the following table.Specifying Maximum Succes

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-34 117362-A Rev. ATo specify the maximum number of successive alarms, complete the tasks in th

Customizing SNMP117362-A Rev. A 3-35 Specifying a Threshold Object NameBy default, the ASN.1 object identifier is the object name that appears in the T

117362-A Rev. A xi Appendix B Default Parameter Settings SNMP Parameters ...

117362-A Rev. A 4-1 Chapter 4Customizing a DCM for RMONThis chapter describes how to customize an Ethernet data collection module (DCM) as a remote mo

Configuring SNMP, RMON, BootP, DHCP, and RARP Services4-2 117362-A Rev. ATo communicate with the RMON agent software on the DCM, the router requires a

Customizing a DCM for RMON117362-A Rev. A 4-3 Specifying the DCM Boot Image NameBy default, the DCM uses the boot image in its own flash memory for boo

Configuring SNMP, RMON, BootP, DHCP, and RARP Services4-4 117362-A Rev. ASpecifying the Boot OptionBy default, the DCM uses the image file in DCM local

Customizing a DCM for RMON117362-A Rev. A 4-5 Saving the Boot Image FileBy default, the DCM saves the boot image file to its local flash memory (writing

Configuring SNMP, RMON, BootP, DHCP, and RARP Services4-6 117362-A Rev. ATo specify the configuration mode, complete the tasks in the following table.

Customizing a DCM for RMON117362-A Rev. A 4-7 Specifying the Maximum Number of RMON HostsYou can specify the maximum number of host addresses to be co

Configuring SNMP, RMON, BootP, DHCP, and RARP Services4-8 117362-A Rev. ADisabling the RMON Host Control TableBy default, the RMON Default Host parame

Customizing a DCM for RMON117362-A Rev. A 4-9 Disabling the RMON Default Matrix TableBe default, the RMON Default Matrix parameter is enabled, which c

Configuring SNMP, RMON, BootP, DHCP, and RARP Services4-10 117362-A Rev. ARebooting the Ethernet DCMAfter you finish modifying the DCM configuration par

Customizing a DCM for RMON117362-A Rev. A 4-11 Deleting the Ethernet DCM Software SubsystemThe router requires the DCMMW software to communicate with

Configuring SNMP, RMON, BootP, DHCP, and RARP Services4-12 117362-A Rev. AManaging a DCM Using the Technician InterfaceYou can use the Technician Inte

Customizing a DCM for RMON117362-A Rev. A 4-13 Each RMON tool is a complete application. After the tool requests and receives information from the net

Configuring SNMP, RMON, BootP, DHCP, and RARP Services4-14 117362-A Rev. AFilter/Capture Define channels and filters.Activate channels for captures.Capt

Customizing a DCM for RMON117362-A Rev. A 4-15 For detailed information about how to install, configure and customize the RMON-based tools for use with

Configuring SNMP, RMON, BootP, DHCP, and RARP Services4-16 117362-A Rev. AThe Fault Correlator generates fault reports and calculates the current stat

117362-A Rev. A 5-1 Chapter 5Customizing BootPThis chapter describes how to customize BootP services. It assumes you have configured an IP interface an

Configuring SNMP, RMON, BootP, DHCP, and RARP Services5-2 117362-A Rev. ACustomizing BootP Relay Agent ParametersAfter you have configured all the IP i

Customizing BootP117362-A Rev. A 5-3 By default, the maximum number of hops a packet can take from the source device to the destination device (client

117362-A Rev. A xiii Figures Figure 2-1. Role of SNMP ...2-3Fi

Configuring SNMP, RMON, BootP, DHCP, and RARP Services5-4 117362-A Rev. ATo specify a minimum timeout value, complete the tasks in the following table

Customizing BootP117362-A Rev. A 5-5 Setting Up the Routing Path Between theBootP Server and the RoutersYou must define the routing path between the Bo

Configuring SNMP, RMON, BootP, DHCP, and RARP Services5-6 117362-A Rev. AFigure 5-1. Enabling BootP in a Sample NetworkEnable BOOTP onthese interfaces

Customizing BootP117362-A Rev. A 5-7 To enable BootP on an interface, complete the tasks in the following table.Specifying Interfaces to Receive and R

Configuring SNMP, RMON, BootP, DHCP, and RARP Services5-8 117362-A Rev. ACreating a BootP Relay Agent Forwarding TableYou must create a BootP relay ag

Customizing BootP117362-A Rev. A 5-9 Deleting an IP Interface Input/Output Address PairTo delete an input/output address pair from the BootP relay age

Configuring SNMP, RMON, BootP, DHCP, and RARP Services5-10 117362-A Rev. ADisabling BootP Route ForwardingBy default, the route (interface) through wh

Customizing BootP117362-A Rev. A 5-11 Configuring an AN to Use EZ-Install over a Frame Relay PVCIf you intend to configure an AN router to use EZ-Instal

Configuring SNMP, RMON, BootP, DHCP, and RARP Services5-12 117362-A Rev. ATo specify a client IP address, complete the tasks in the following table.Sp

Customizing BootP117362-A Rev. A 5-13 To specify the DLCI number, complete the tasks in the following table.Specifying Servers for BootP ServicesYou c

Configuring SNMP, RMON, BootP, DHCP, and RARP Services5-14 117362-A Rev. ASpecifying the Relay Agent IP AddressYou must specify the IP address of a nu

Customizing BootP117362-A Rev. A 5-15 To specify the target server IP address, complete the tasks in the following table.Specifying the Target Server’

Configuring SNMP, RMON, BootP, DHCP, and RARP Services5-16 117362-A Rev. AAfter you specify the IP address and host name of the target server, the Boo

Customizing BootP117362-A Rev. A 5-17 Filtering BootP and DHCP PacketsYou can control whether an interface transmits BootP packets, DHCP packets, or b

Configuring SNMP, RMON, BootP, DHCP, and RARP Services5-18 117362-A Rev. ADeleting the BootP Relay Agent from an IP InterfaceTo delete a BootP relay a

117362-A Rev. A 6-1 Chapter 6Customizing DHCPThis chapter describes how to customize DHCP services. It assumes you have configured an IP interface usin

Configuring SNMP, RMON, BootP, DHCP, and RARP Services6-2 117362-A Rev. ASpecifying Interfaces to Receive and Relay DHCP PacketsYou must specify a for

Customizing DHCP117362-A Rev. A 6-3 Specifying Servers for DHCP ServicesYou can improve the efficiency of the packet forwarding process or transmit DHC

Configuring SNMP, RMON, BootP, DHCP, and RARP Services6-4 117362-A Rev. ATo delete DHCP from an IP interface, complete the tasks in the following tabl

117362-A Rev. A 7-1 Chapter 7Customizing RARPThis chapter describes how to customize RARP services. It assumes you have configured an IP interface usin

117362-A Rev. A xv Tables Table 2-1. Severity Levels ...2-5Tabl

Configuring SNMP, RMON, BootP, DHCP, and RARP Services7-2 117362-A Rev. ADisabling and Reenabling RARP InterfacesYou can disable or reenable individua

Customizing RARP117362-A Rev. A 7-3 Specifying the Client’s MAC AddressYou must specify the MAC address of a client that will use the RARP services of

Configuring SNMP, RMON, BootP, DHCP, and RARP Services7-4 117362-A Rev. ASpecifying the Client’s IP AddressYou must specify the IP address correspondi

Customizing RARP117362-A Rev. A 7-5 Disabling RARP GloballyTo globally disable RARP from all router interfaces on which it is configured, complete the

117362-A Rev. A A-1 Appendix ASNMP, DCM, BootP, DHCP, and RARPParameter DescriptionsThis appendix contains reference information about customizing the

Configuring SNMP, RMON, BootP, DHCP, and RARP ServicesA-2 117362-A Rev. AFor each parameter, this appendix provides the following information:• Parame

SNMP, DCM, BootP, DHCP, and RARP Parameter Descriptions117362-A Rev. A A-3 SNMP Global ParametersUse the following guidelines to configure SNMP global

Configuring SNMP, RMON, BootP, DHCP, and RARP ServicesA-4 117362-A Rev. AParameter: Lock Time OutPath: Configuration Manager > Protocols > IP >

SNMP, DCM, BootP, DHCP, and RARP Parameter Descriptions117362-A Rev. A A-5 SNMP Community ParametersUse the following guidelines to configure SNMP comm

Configuring SNMP, RMON, BootP, DHCP, and RARP ServicesA-6 117362-A Rev. ASNMP Manager ParametersUse the following guidelines to configure SNMP manager

SNMP, DCM, BootP, DHCP, and RARP Parameter Descriptions117362-A Rev. A A-7 SNMP Trap Interface ParametersUse the following guidelines to configure SNMP

Configuring SNMP, RMON, BootP, DHCP, and RARP ServicesA-8 117362-A Rev. ASNMP Threshold Global ParametersUse the following guidelines to configure SNMP

SNMP, DCM, BootP, DHCP, and RARP Parameter Descriptions117362-A Rev. A A-9 SNMP Threshold Interface ParametersUse the following guidelines to configure

Configuring SNMP, RMON, BootP, DHCP, and RARP ServicesA-10 117362-A Rev. AParameter: Threshold Low ValuePath: Configuration Manager > Protocols >

SNMP, DCM, BootP, DHCP, and RARP Parameter Descriptions117362-A Rev. A A-11 Parameter: Threshold Medium ValuePath: Configuration Manager > Protocols

Configuring SNMP, RMON, BootP, DHCP, and RARP ServicesA-12 117362-A Rev. AParameter: Threshold High ValuePath: Configuration Manager > Protocols >

SNMP, DCM, BootP, DHCP, and RARP Parameter Descriptions117362-A Rev. A A-13 Parameter: Threshold UnitsPath: Configuration Manager > Protocols > G

Configuring SNMP, RMON, BootP, DHCP, and RARP ServicesA-14 117362-A Rev. AParameter: Threshold Max Successive AlarmsPath: Configuration Manager > Pr

SNMP, DCM, BootP, DHCP, and RARP Parameter Descriptions117362-A Rev. A A-15 DCM Global ParametersUse the following guidelines to configure DCM global p

117362-A Rev. A xvii About This Guide If you are responsible for configuring Simple Network Management Protocol (SNMP), remote monitoring (RMON), Boo

Configuring SNMP, RMON, BootP, DHCP, and RARP ServicesA-16 117362-A Rev. AParameter: Boot OptionPath: Configuration Manager > Platform > DCM 11.0

SNMP, DCM, BootP, DHCP, and RARP Parameter Descriptions117362-A Rev. A A-17 Parameter: Image Save ModePath: Configuration Manager > Platform > DC

Configuring SNMP, RMON, BootP, DHCP, and RARP ServicesA-18 117362-A Rev. AParameter: Save Configuration InfoPath: Configuration Manager > Platform &g

SNMP, DCM, BootP, DHCP, and RARP Parameter Descriptions117362-A Rev. A A-19 Parameter: RMON Default HostPath: Configuration Manager > Platform >

Configuring SNMP, RMON, BootP, DHCP, and RARP ServicesA-20 117362-A Rev. ABootP and DHCP ParametersUse the following guidelines to configure BootP and

SNMP, DCM, BootP, DHCP, and RARP Parameter Descriptions117362-A Rev. A A-21 Parameter: Timeout Secs.Path: Configuration Manager > Protocols > IP

Configuring SNMP, RMON, BootP, DHCP, and RARP ServicesA-22 117362-A Rev. ABootP Address ParametersUse the following guidelines to configure BootP and D

SNMP, DCM, BootP, DHCP, and RARP Parameter Descriptions117362-A Rev. A A-23 Parameter: Enable/DisablePath: Configuration Manager > Protocols > IP

Configuring SNMP, RMON, BootP, DHCP, and RARP ServicesA-24 117362-A Rev. ABootP Client Interface Address ParametersUse the following guidelines to con

SNMP, DCM, BootP, DHCP, and RARP Parameter Descriptions117362-A Rev. A A-25 BootP Preferred Server Configuration ParametersUse the following guidelines

Configuring SNMP, RMON, BootP, DHCP, and RARP Servicesxviii 117362-A Rev. A Before You Begin Before using this guide with a new router, you must comp

Configuring SNMP, RMON, BootP, DHCP, and RARP ServicesA-26 117362-A Rev. AParameter: Enable/DisablePath: Configuration Manager > Protocols > IP &

SNMP, DCM, BootP, DHCP, and RARP Parameter Descriptions117362-A Rev. A A-27 RARP Interface ParametersUse the following guidelines to configure RARP int

Configuring SNMP, RMON, BootP, DHCP, and RARP ServicesA-28 117362-A Rev. AParameter: IP AddressPath: Configuration Manager > Protocols > IP >

117362-A Rev. A B-1 Appendix BDefault Parameter SettingsSNMP ParametersTable B-1 to Table B-6 list the Site Manager default parameter settings for SNM

Configuring SNMP, RMON, BootP, DHCP, and RARP ServicesB-2 117362-A Rev. ATable B-3. SNMP Manager ParametersParameter DefaultTrap Port 162Trap Types G

Default Parameter Settings117362-A Rev. A B-3 DCM Global ParametersTable B-7 lists the Site Manager default parameter settings for the DCM.Table B-7.

Configuring SNMP, RMON, BootP, DHCP, and RARP ServicesB-4 117362-A Rev. ABootP and DHCP ParametersTables B-8 to B-11 list the Site Manager default par

Default Parameter Settings117362-A Rev. A B-5 RARP ParametersTables B-12 and B-13 list the Site Manager default parameter settings for RARP.Table B-11

117362-A Rev. A Index-1Aadding a manager, 3-12BBay Networks Press, xxBootPclient interfaces table, creating, 5-11configuring preferred servers, 5-13cus

About This Guide 117362-A Rev. A xix Acronyms ASN.1 abstract syntax notationBCC Bay Command ConsoleBootP Bootstrap ProtocolCMIP Common Management In

Index-2 117362-A Rev. ADCMboot image, 4-3customizing parameters, 4-2 to 4-10defaultsfor BootP and DHCP parameters, B-4 to B-5for RARP parameters, B-5f

117362-A Rev. A Index-3RRARPcustomizing, 1-12defining the mapping table for, 7-2deleting globally, 7-5disabling globally, 7-5disabling interfaces, 7-2e

Index-4 117362-A Rev. AThreshold High Event Level, A-12Threshold High Value, A-12Threshold Label, A-15Threshold Low Event Level, A-10Threshold Low Val

ii 117362-A Rev. A4401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821 Copyright © 1997 Bay Networks, Inc. All rights

Configuring SNMP, RMON, BootP, DHCP, and RARP Servicesxx 117362-A Rev. A Ordering Bay Networks Publications To purchase additional copies of this doc

About This Guide 117362-A Rev. A xxi How to Get Help If you purchased a service contract for your Bay Networks product from a distributor or authori

117362-A Rev. A 1-1 Chapter 1Starting SNMP, RMON, BootP,DHCP, and RARP Services This chapter describes how to create a basic SNMP, BootP, DHCP, and

Configuring SNMP, RMON, BootP, DHCP, and RARP Services1-2 117362-A Rev. A The following table describes the sequence of tasks required to complete ba

Starting SNMP, RMON, BootP, DHCP, and RARP Services 117362-A Rev. A 1-3 Configuring IP for Global Protocols SNMP, BootP, DHCP, and RARP services all

Configuring SNMP, RMON, BootP, DHCP, and RARP Services1-4 117362-A Rev. A Step 1: Configuring a Physical Interface To configure a physical interface on

Starting SNMP, RMON, BootP, DHCP, and RARP Services117362-A Rev. A 1-5 Starting SNMP ServicesYou can use the BCC command line interface or the Site Ma

Configuring SNMP, RMON, BootP, DHCP, and RARP Services1-6 117362-A Rev. ATo start SNMP, perform the tasks in the following table:Customizing SNMP Serv

Starting SNMP, RMON, BootP, DHCP, and RARP Services117362-A Rev. A 1-7 To run RMON on a Version 11.0 or later Bay Networks router, the router must be

117362-A Rev. A iii Bay Networks, Inc. Software License Agreement NOTICE: Please carefully read this license agreement before copying or using the

Configuring SNMP, RMON, BootP, DHCP, and RARP Services1-8 117362-A Rev. AOnce the Ethernet DCM is enabled and collecting statistics, you can useOptivi

Starting SNMP, RMON, BootP, DHCP, and RARP Services117362-A Rev. A 1-9 Starting BootP ServicesYou must use Site Manager to start BootP. The BCC is not

Configuring SNMP, RMON, BootP, DHCP, and RARP Services1-10 117362-A Rev. ACustomizing BootPFor information about customizing BootP parameters, see Cha

Starting SNMP, RMON, BootP, DHCP, and RARP Services117362-A Rev. A 1-11 Enabling DHCP on an InterfaceWhen you select either a link- or net-module conn

Configuring SNMP, RMON, BootP, DHCP, and RARP Services1-12 117362-A Rev. AStarting RARP ServicesBefore you can enable RARP services, you must enable I

Starting SNMP, RMON, BootP, DHCP, and RARP Services117362-A Rev. A 1-13 Customizing RARPFor information about modifying RARP parameters, refer to Chap

117362-A Rev. A 2-1 Chapter 2SNMP, RMON, BootP,DHCP, and RARP Concepts This chapter describes the concepts behind SNMP, RMON, BootP, DHCP, and RARP se

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-2 117362-A Rev. ASNMP applications contain manager software that runs on a network management

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-3 Figure 2-1. Role of SNMPSNMP CommunitiesFor security reasons, the SNMP agent validates e

iv 117362-A Rev. A its own data and information and for maintaining adequate procedures apart from the Software to reconstruct lost or altered files,

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-4 117362-A Rev. AAn SNMP community is a logical relationship between an SNMP agent and one or

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-5 An event log message provides a brief description of an event, along with the event code

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-6 117362-A Rev. ASee Event Messages for Routers for detailed information about entities and se

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-7 ThresholdsSNMP uses a management information base (MIB) to manage the router. The MIB in

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-8 117362-A Rev. AYou also set the polling interval to 20 seconds to indicate that, every 20 se

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-9 You can, however, identify objects more easily by configuring the software to report the

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-10 117362-A Rev. AThe RMON MIB provides a standard method to monitor the basic operations of t

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-11 Figure 2-2. Sample RMON ConfigurationRMON ArchitectureThe Bay Networks implementation of

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-12 117362-A Rev. AFigure 2-3. Bay Networks RMON ArchitectureThe Ethernet DCM physically connec

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-13 • Matrix• Filter• CaptureThe router base module supports the following groups:• Alarm •

117362-A Rev. A v Contents About This Guide Before You Begin ...

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-14 117362-A Rev. AThe history function records periodic statistical samples from Ethernet netw

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-15 Capture GroupThe capture group enables the capture of packets that satisfy the filter gr

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-16 117362-A Rev. AYou can specify thresholds for numeric variables, such as integer, counter,

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-17 Event Trap ConsiderationsTo allow RMON to generate trap events, you must set up the SNM

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-18 117362-A Rev. AHardware and Software CompatibilityTable 2-3 lists the minimum and recommend

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-19 Bay Networks provides RMON network management support for BayStack routers in the follo

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-20 117362-A Rev. ARMON Memory UseThe total amount of available RMON memory depends on the dyna

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-21 Statistics GroupWhen you enable the Ethernet DCM, the RMON agent automatically creates

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-22 117362-A Rev. AHost GroupWhen you enable the Ethernet DCM, the default setting (Disabled) f

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-23 HostTopN GroupTo save memory and increase performance, there is no default configuration

vi 117362-A Rev. A Customizing DHCP ...1-11Starting RAR

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-24 117362-A Rev. AFilter and Capture GroupsYou must create filter and capture configurations thr

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-25 ExampleYou specify a buffer size of 32 KB and a packet slice size of 1 KB. After checki

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-26 117362-A Rev. ABootP Relay Agent OverviewBootP is built on the client-server model and allo

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-27 Figure 2-5. BootP Client and Server on Different Physical NetworksThe client transmits

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-28 117362-A Rev. AFigure 2-6. BOOTREQUEST and BOOTREPLY FieldsThe packet relay process uses th

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-29 2. If the router accepts the packet, it alters the packet by:• Incrementing the hops fie

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-30 117362-A Rev. A• If the flags field contains the value 0, the client knows its own IP address

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-31 Although BootP and DHCP use the same UDP port numbers (67 and 68), they differ in the f

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-32 117362-A Rev. AFigure 2-7 shows the first stage of the process.Figure 2-7. Identifying DHCP

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-33 To identify DHCP servers, the client broadcasts a DHCPDISCOVER packet. Figure 2-8 shows

117362-A Rev. A viiRMON Interoperability Issues ...2-17Hardware a

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-34 117362-A Rev. AThe client may receive DHCPOFFER packets from several potential servers. If

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-35 6. The router receives the packet and forwards it to all servers. 7. Those servers exam

Configuring SNMP, RMON, BootP, DHCP, and RARP Services2-36 117362-A Rev. A4. The server that originally supplied the configuration parameters recognize

SNMP, RMON, BootP, DHCP, and RARP Concepts117362-A Rev. A 2-37 To use RARP services, you must set up a MAC address-to-IP address mapping table. This t

117362-A Rev. A 3-1 Chapter 3Customizing SNMPThis chapter describes how to customize SNMP services. It assumes you have configured an IP interface usin

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-2 117362-A Rev. ASummary of SNMP Configuration TasksUsing the BCC and Site ManagerTable 3-1 sum

Customizing SNMP117362-A Rev. A 3-3 Customizing SNMP Global ParametersYou can enable SNMP services most easily by accepting all the default parameter

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-4 117362-A Rev. A lock-timeout 2 authentication-traps enabled type-of-service reliability

Customizing SNMP117362-A Rev. A 3-5 The SNMP locking mechanism is enabled by default. This means that the SNMP agent identifies the station from which

viii 117362-A Rev. A Specifying the Trap Port ...3-15Specifying a Tr

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-6 117362-A Rev. ASpecifying a Lock AddressThe default lock address is 0.0.0.0. To specify a lo

Customizing SNMP117362-A Rev. A 3-7 Using Site ManagerTo specify a lock timeout value, complete the tasks in the following table.Enabling and Disablin

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-8 117362-A Rev. AUsing the BCCBy default, SNMP sends an authentication failure trap for sets f

Customizing SNMP117362-A Rev. A 3-9 Specifying the Type of Service for the SNMP PacketSite Manager does not support this function.You can specify the

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-10 117362-A Rev. Aname is any string of printable ASCII characters, up to 63 characters in len

Customizing SNMP117362-A Rev. A 3-11 By default, the router grants read-only access privileges to all members of an SNMP community. Read-only access a

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-12 117362-A Rev. ADeleting an SNMP CommunityYou can delete an SNMP community to which the the

Customizing SNMP117362-A Rev. A 3-13 Configuring SNMP Community ManagersThis section describes how to add and delete SNMP community members (managers).

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-14 117362-A Rev. AUsing Site ManagerTo add a manager to a particular community, complete the t

Customizing SNMP117362-A Rev. A 3-15 Specifying the Trap PortBy default, the standard port number on the managing station to which the SNMP agent tran

117362-A Rev. A ixManaging a DCM Using the Technician Interface ...4-12Viewing and Analyzing St

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-16 117362-A Rev. ASpecifying a Trap TypeYou can specify one of four types of traps that the SN

Customizing SNMP117362-A Rev. A 3-17 For example, the following command sequence causes the SNMP agent to transmit Specific traps to manager 2.2.2.2. m

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-18 117362-A Rev. AUsing the BCCTo delete a manager, navigate to the manager-specific prompt and

Customizing SNMP117362-A Rev. A 3-19 Configuring Traps on the RouterA trap is an event that the router transmits to some external network device, such

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-20 117362-A Rev. AFor example, the following command line causes the SNMP agent to send to a n

Customizing SNMP117362-A Rev. A 3-21 Specifying the Severity Level for TrapsTrap messages are always associated with one of five severity levels: infor

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-22 117362-A Rev. ADisabling a Trap EntityYou can prevent the SMNP agent from sending a specific

Customizing SNMP117362-A Rev. A 3-23 For example, the following command prevents the SNMP manager from sending traps for entity 2 on slot 2.trap-entit

Configuring SNMP, RMON, BootP, DHCP, and RARP Services3-24 117362-A Rev. AUsing the BCCTo specify a trap exception based on protocol entity and entity

Customizing SNMP117362-A Rev. A 3-25 Deleting Trap ExceptionsYou can delete a trap exception by specifying the entity number and the event code for th