| 摘要 |
<p>Disclosed are a method, a device and a system for establishing a transmission channel, so as to solve the problem in the prior art that an IP address of to-be-on-line equipment needs to be configured by manually logging in on-line equipment, so that the equipment can be automatically discovered, a channel can be remotely broken through, the on-line progress of the equipment is improved, and the arrangement cost is reduced. The method comprises: a server detecting whether on-line IP equipment is connected to to-be-on-line IP equipment without an IP address configured; when detecting that the on-line IP equipment is connected to the to-be-on-line IP equipment without an IP address configured, and after the on-line IP equipment receives a DHCP request message from the to-be-online IP equipment, sending an indication message to the on-line IP equipment; receiving the DHCP request message forwarded by the on-line IP equipment; allocating the IP address for the to-be-on-line IP equipment according to an electronic serial number; and sending a DHCP confirmation message to the on-line IP equipment.</p> |
