Avaya Configuring SNMP, BOOTP, DHCP, and RARP Services Manual de usuario Pagina 56
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Valorado. / 5. Basado en revisión del cliente
Configuring SNMP, BootP, DHCP, and RARP Services
2-26
117362-C Rev 00
4.
If a client does not receive a DHCPOFFER packet within a specified amount
of time after broadcasting a DHCPDISCOVER packet, it sends the packet
again. The client may rebroadcast the packet a number of times. However,
clients operating on systems running Windows 95 broadcast 4
DHCPDISCOVER packets, each two seconds apart.
5.
The client may receive DHCPOFFER packets from several potential servers.
If you configure the client to wait for multiple responses, it compares
configuration parameters in the DHCPOFFER packets to decide which server
to target.
Requesting and Receiving IP Information
Figure 2-10
shows the next stage of the process of acquiring a new IP address
using a DHCP server.
Figure 2-10. Requesting and Receiving IP Information (DHCP Server)
1.
When the client has chosen a target DHCP server, it broadcasts a
DHCPREQUEST packet to the server. The DHCPREQUEST packet contains
the address of the target server in the server IP address field.
3. NetID Server Manager updates
NetID database for IP address and
configuration parameters and sends
committed update message to DHCP server.
1. Client broadcasts
a DHCPREQUEST
packet.
4. DHCP server
transmits DHCPACK
or DHCPNAK
packet to client.
2. DHCP server transmits
information from
the DHCPREQUEST
packet to NetID Server
Manager.
Router (DHCP server)
NetID
Server
Manager
DC0002A
DHCP
client
DHCP
client
- Configuring SNMP 1
- BootP, DHCP, and RARP 1
- Services 1
- Trademarks 2
- Restricted Rights Legend 2
- Statement of Conditions 2
- Contents 5
- 117362-C Rev 00 10
- Before You Begin 15
- Text Conventions 16
- Acronyms 17
- How to Get Help 18
- Chapter 1 19
- Starting SNMP, BootP 19
- DHCP, and RARP Services 19
- Starting Configuration Tools 20
- Using the BCC 21
- Starting SNMP Services 22
- Using Site Manager 23
- Starting BootP Services 24
- Starting BootP/DHCP Relay 26
- Starting a DHCP Server 27
- Starting RARP Services 29
- Chapter 2 31
- SNMP Messages 32
- SNMP Communities 33
- SNMP Implementation Notes 34
- Table 2-1. Severity Levels 35
- Thresholds 37
- Threshold Example 38
- BootP Relay Agent Overview 40
- DHCP Overview 44
- Dynamic IP Address Allocation 45
- DHCP Components 46
- DHCP Server Implementation 48
- IP network 49
- RARP Overview 59
- Chapter 3 61
- Customizing SNMP 61
- Disabling and Reenabling SNMP 63
- Specifying a Lock Address 66
- Adding SNMP Communities 69
- Deleting an SNMP Community 72
- Adding a Manager 73
- Deleting a Manager 77
- Specifying a Trap Entity 79
- Disabling a Trap Entity 82
- Configuring Trap Exceptions 83
- Deleting Trap Exceptions 85
- Configuring Thresholds 86
- Adding a Threshold 88
- Specifying Threshold Units 91
- Chapter 4 97
- (continued) 100
- Customizing BootP 101
- (continued) 106
- Deleting BootP Globally 114
- Customizing BootP/DHCP Relay 115
- Chapter 5 115
- BootP Relay Agent 116
- Defining DHCP Servers 117
- Chapter 6 121
- Customizing the DHCP Server 121
- Specifying the Debug Level 128
- Deleting DHCP Globally 130
- Chapter 7 131
- Customizing RARP 131
- Customizing RARP Parameters 132
- Disabling RARP Globally 135
- Deleting RARP Globally 135
- Appendix A 137
- SNMP, BootP, DHCP, and RARP 137
- Parameter Descriptions 137
- Caution: 138
- SNMP Global Parameters 139
- SNMP Community Parameters 141
- SNMP Manager Parameters 142
- BootP and DHCP Parameters 152
- BootP Address Parameters 154
- DHCP Global Parameters 160
- RARP Interface Parameters 164
- RARP Address Parameters 164
- Appendix B 167
- Default Parameter Settings 167
- RARP Parameters 171
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