Airlive L3POE-2TX2406 handleiding
Handleiding
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Figure 2-1. Interaction process
In order to obtain the legal dynamic IP address, the DHCP client interacts different
information with the server at different stages. Generally, there are three modes as follows:
(1) DHCP client logs in to the network for the first time
When the DHCP client logs in to the network for the first time, it mainly establishes
contact with the DHCP server through four stages
⚫ The discovery phase: the stage in which the DHCP client looks for the DHCP
server. The client sends the DHCP discover message in broadcast mode, and
only the DHCP server will respond.
⚫ The stage of providing IP address: that is, the stage when the DHCP server
provides IP address. After receiving the DHCP discover message from the client,
the DHCP server selects an unassigned IP address from the IP address pool and
assigns it to the client, and sends the DHCP offer message containing the leased
IP address and other settings to the client.
⚫ The selection stage: the stage in which the DHCP client selects the IP address. If
more than one DHCP server sends a DHCP offer message to the client, the client
only accepts the first received DHCP offer message, and then responds to the
DHCP request message by broadcasting to each DHCP server. The information
contains the content of requesting IP address from the selected DHCP server.
⚫ The confirmation stage: the stage in which the DHCP server confirms the IP
address provided. When the DHCP server receives the DHCP request message
answered by the DHCP client, it will send the dhcp-ack confirmation message
containing the IP address and other settings provided by the client; otherwise,
it will return the dhcp-nak message, indicating that the address cannot be
assigned to the client. After receiving the dhcp-ack confirmation message
returned by the server, the client will send ARP (the destination address is the
address to which it is assigned) in broadcast mode for address detection. If no
response is received within the specified time, the client will use this address.
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Productinformatie
| Merk | Airlive |
| Model | L3POE-2TX2406 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 29975 MB |
