Cisco ASR 900 Series Yapılandırma Kılavuzu - Sayfa 5
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ethernet interface module
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New Device Joining the Autonomic Network
The figure below illustrates how a new device joins an autonomic network.
Figure 2: New Device Joining the Autonomic Network
1 The new device sends out a hello message to the neighbor. In this case, the neighbor is part of an autonomic network domain.
2 The hello message includes the unique device identifier (UDI) of the new device.
3 The autonomic device acts as a proxy and allows the new device to join this autonomic network domain. The autonomic network
device advertises itself with the domain information to its Layer 3 neighbors.
4 The new device is validated with the autonomic registrar on receiving the autonomic network hello message from the neighbor
and thereby detecting the UDI information.
5 The new device advertises its domain certificate in its hello message with all neighbors. The neighbor information is exchanged
every 10 seconds.
Note
If the neighbor information changes, the entry is deleted and neighbor discovery is restarted. In the absence
of a domain certificate and devices working with UDI, UDI is exchanged at a 10-second interval.
Working of the Registrar
One device in the network is configured as the registrar to validate all new devices locally; and to accept all devices that try to join
the domain managed by the registrar. The registrar issues a domain certificate to devices using the domain name provided by the
administrator.
The domain name is a group of devices in the network managed by the same set of rules. Any neighbor
Note
communicating with the registrar using the UDI certificate is sent an invitation to join the domain by
registrar.
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