What does OIR stand for in the context of Cisco ASR component replacement?

Question

Options

• AOffline Installation and Reboot
• BOperational Interface Redundancy
• COptical Interface Routing
• DOnline Insertion and Removal

• A
  2% (1)
• B
  4% (2)
• C
  2% (1)
• D
  92% (49)

Explanation

Online Insertion and Removal (OIR) is a feature supported by Cisco ASR routers that allows for the insertion and removal of hardware components, such as line cards and modules, while the router is operating. This capability enables maintenance and upgrades without the need to power down the system, thus minimizing network downtime. Key aspects of OIR include: Seamless Operation: OIR allows for hardware changes without interrupting the router's operation. Preservation of Routing Information: The router maintains all routing information and active sessions during the insertion or removal process. Administrative Shutdown: While not mandatory, it is recommended to administratively shut down the interfaces associated with the component being removed to ensure a graceful transition. This feature is particularly beneficial in high-availability environments where maintaining continuous network service is critical.

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