Avaya Configuring SNMP, RMON, BOOTP, DHCP, and RARP Services Manuel d'utilisateur Page 26
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Configuring SNMP, RMON, BOOTP, DHCP, and RARP Services
1-2 114070 Rev. A
For security reasons, the SNMP agent validates each request from an SNMP
manager before responding to the request, by verifying that the manager belongs
to an SNMP community with access privileges to the agent.
An SNMP community is a logical relationship between an SNMP agent and one
or more SNMP managers. The community has a name, and all members of a
community have the same access privileges: either read-only (members can view
configuration and performance information) or read-write (members can view
configuration and performance information, and also change the configuration).
All SNMP message exchanges consist of a community name and a data field,
which contains the SNMP operation and its associated operands. You can
configure the SNMP agent to receive requests and send responses only from
managers that are members of a known community. If the agent knows the
community name in the SNMP message and knows that the manager generating
the request is a member of that community, it considers the message to be
authentic and gives it the access allowed for members of that community. Thus,
the SNMP community prevents unauthorized managers from viewing or changing
the configuration of a router.
SNMP Implementation Notes
This section contains information about features specific to the Bay Networks
implementation of SNMP.
Internet Protocol (IP)
SNMP uses the User Datagram Protocol (UDP) to transport its messages. You
must enable IP in order to use UDP and SNMP.
Thresholds
SNMP uses a MIB (management information base) to manage the router. The
MIB includes an extensive collection of statistics (MIB variables) that track the
router’s performance and provide early warnings of abnormal operating
conditions.
With the Site Manager threshold feature, you can configure the agent to
automatically notify the network manager when specific statistics (or instances of
the variable) reach certain levels.
- Configuring SNMP 1
- RMON, BOOTP, DHCP 1
- Bay Networks Software License 3
- (continued) 4
- Contents 5
- 114070 Rev. A 10
- About This Guide 15
- Software Suites 16
- Before You Begin 16
- Conventions 17
- Acronyms 18
- World Wide Web 21
- Customer Service FTP 21
- Support Source CD 22
- CompuServe 22
- InfoFACTS 23
- How to Get Help 23
- Configuring 25
- SNMP Implementation Notes 26
- Threshold Example 27
- 1-4 114070 Rev. A 28
- Configuring SNMP Services 29
- Enabling SNMP Services 30
- To enable IP on an interface: 31
- Click on OK 31
- 1-8 114070 Rev. A 32
- Editing SNMP Parameters 34
- 114070 Rev. A 1-11 35
- Adding an SNMP Community 38
- 114070 Rev. A 1-15 39
- 40
- Adding a Manager 41
- Editing a Manager 43
- 44
- Editing Threshold Parameters 45
- 1-22 114070 Rev. A 46
- Configuring a Threshold 47
- 49
- 51
- 52
- 53
- Editing Trap Parameters 54
- Configuring Exceptions 55
- Deleting Exceptions 58
- Chapter 2 59
- Using RMON Services 59
- 2-2 114070 Rev. A 60
- The RMON Architecture 61
- The RMON Groups 62
- Ethernet Statistics Group 63
- History Control Group 63
- Ethernet History Group 63
- Host Group 64
- HostTopN Group 64
- Matrix Group 64
- Filter Group 64
- RMON Interoperability Issues 65
- RMON Memory Use 66
- 2-10 114070 Rev. A 68
- 2-12 114070 Rev. A 70
- Enabling the DCM 71
- 2-14 114070 Rev. A 72
- Disabling the Ethernet DCM 75
- Activating the Ethernet DCM 75
- Booting the Ethernet DCM 76
- 114070 Rev. A 2-19 77
- Chapter 3 79
- Configuring BOOTP Services 79
- 3-2 114070 Rev. A 80
- Configuring BOOTP Services 81
- 3-4 114070 Rev. A 82
- 3-6 114070 Rev. A 84
- Enabling BOOTP Services 85
- Editing BOOTP Parameters 87
- 114070 Rev. A 3-13 91
- 3-16 114070 Rev. A 94
- 2. Click on Delete 94
- 114070 Rev. A 3-17 95
- 3-18 114070 Rev. A 96
- 4. Click on OK 96
- 114070 Rev. A 3-19 97
- 100
- Deleting BOOTP Globally 101
- Chapter 4 103
- Configuring DHCP Services 103
- 4-2 114070 Rev. A 104
- Configuring DHCP Services 105
- 4-4 114070 Rev. A 106
- Implementation Notes 108
- Enabling DHCP Services 108
- Enabling DHCP on an Interface 108
- Editing DHCP Parameters 109
- Deleting DHCP Globally 110
- Chapter 5 111
- Configuring RARP Services 111
- Enabling RARP Services 112
- Enabling RARP on an Interface 113
- Editing RARP Parameters 114
- 114070 Rev. A 5-5 115
- 116
- 114070 Rev. A 5-7 117
- Disabling RARP Globally 118
- Deleting RARP Globally 119
- Appendix A 121
- Default Parameter Settings 121
- A-2 114070 Rev. A 122
- BOOTP and DHCP Parameters 123
- RARP Parameters 124
- 114070 Rev. A Index-1 125
- 114070 Rev. A Index-3 127
- 114070 Rev. A Index-5 129
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