H12-821_V1.0 · Question #780
Multiple BGP processes cannot be configured on one router.
The correct answer is A. TRUE. A is correct because, unlike interior gateway protocols such as OSPF or EIGRP, BGP supports only a single process per router. The BGP process is uniquely identified by the router's Autonomous System (AS) number, and the protocol architecture does not allow multiple independent…
Question
Options
- ATRUE
- BFALSE
How the community answered
(59 responses)- A78% (46)
- B22% (13)
Explanation
A is correct because, unlike interior gateway protocols such as OSPF or EIGRP, BGP supports only a single process per router. The BGP process is uniquely identified by the router's Autonomous System (AS) number, and the protocol architecture does not allow multiple independent BGP instances to run simultaneously on the same device in standard implementations.
B (FALSE) is wrong because claiming multiple BGP processes can run would contradict the fundamental BGP design constraint - only one router bgp <ASN> statement is permitted in a standard router configuration, and attempting to add a second will either overwrite the first or be rejected.
Memory tip: Think "BGP = Big, Single Protocol" - one router, one AS, one BGP process. Contrast this with OSPF, where you can run multiple processes (e.g., router ospf 1 and router ospf 2); BGP simply doesn't work that way on standard platforms.
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