Click the Exhibit button. You are examining an L3VPN route that includes the information shown in the exhibit. Which statement is correct in this scenario?
A.
The information shows a route target.
B.
The information shows a Type 1 route distinguisher.
C.
The information shows a Type 0 route distinguisher.
D.
The information shows a Type 2 route distinguisher.
Type 0: The RD is composed of a 2-byte Autonomous System (AS) number (Administrator subfield) and a 4-byte assigned number (Assigned Number subfield). It is represented as AS_Number:Assigned_Number.
Type 1: The RD is composed of a 4-byte IP address (Administrator subfield) and a 2-byte assigned number (Assigned Number subfield). It is represented as IP_Address:Assigned_Number.
Type 2: The RD is composed of a 4-byte AS number (Administrator subfield, often from the AS4 range) and a 2-byte assigned number (Assigned Number subfield). It is represented as AS4_Number:Assigned_Number.
Looking at the RD 192.168.1.1:455:
192.168.1.1 is a 4-byte IP address.
455 is a number that fits within a 2-byte unsigned integer range (0-65535).
Type 1: When Type value is 1, the Administrator field is 4-bytes and Assigned Number field is 2-bytes.
The Administrator field should be set to the IP address (public IP addresses should be used). The Assigned Number field contains a number from a numbering space that is administered by the enterprise to which the IP address has been assigned by the appropriate authority.
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