Discover the issue that arises when provisioning an ISR 4000 device using Plug and Play (PnP) with only the Unique Device Identifier (UDI) and learn how to address redirection problems by providing both UDI and SUDI.
Table of Contents
Question
What problem happens on a device with two serial numbers, a unique device identifier (UDI), and a secure unique device identifier (SUDI) when an engineer provisions ISR 4000 by PnP using only a UDI?
A. It faces interface buffer overflow problems.
B. It encounters memory overload problems.
C. It encounters spanning tree issues.
D. It encounters redirection problems.
Answer
D. It encounters redirection problems.
Explanation
When provisioning an ISR 4000 device using Plug and Play (PnP) and providing only the Unique Device Identifier (UDI), the device encounters redirection problems. This is because the PnP server needs both the UDI and the Secure Unique Device Identifier (SUDI) to properly identify and provision the device.
The UDI is a unique identifier assigned to the device, while the SUDI is a secure form of the UDI that is digitally signed by Cisco. The SUDI is used for secure communication and authentication between the device and the PnP server.
If only the UDI is provided during the PnP process, the PnP server cannot securely authenticate and identify the device. This can lead to redirection problems, where the device may be redirected to an incorrect or unauthorized PnP server, potentially compromising the provisioning process and introducing security risks.
To avoid redirection problems, it is essential to provide both the UDI and the SUDI when provisioning the ISR 4000 device using PnP. This ensures that the device can securely authenticate with the PnP server and receive the correct configuration and provisioning.
The other options provided, such as interface buffer overflow, memory overload, and spanning tree issues, are not directly related to the problem of using only the UDI during PnP provisioning.
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