What is the order in determining the BGP router ID?

IT Questions BankCategory: CCNPWhat is the order in determining the BGP router ID?

What is the order in determining the BGP router ID?

  • statically defined, the highest IP address of any active interfaces, and the highest IP address of any active loopback interfaces
  • statically defined, the highest IP address of any active loopback interfaces, and the highest IP address of any active interfaces
  • the highest IP address of any active interfaces, statically defined, and the highest IP address of any active loopback interfaces
  • the highest IP address of any active loopback interfaces, statically defined, and the highest IP address of any active interfaces

Explanation: Statically configuring the BGP router ID (RID) is a best practice to ensure RID stability. If the RID is not statically configured, the dynamic RID allocation logic uses the highest IP address of any active loopback interfaces. If there is not an active loopback interface, then the highest IP address of any active interfaces becomes the RID when the BGP process initializes.

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