You are receiving the same 200.0.0.0/24 BGP route from four different ISPs. Referring to the exhibit, which ISP's route would be selected as active?

The correct answer is D. ISP-D. Routes learned from an IGP have a lower origin code than those learned from an exterior gateway protocol (EGP), and both have lower origin codes than incomplete routes (routes whose origin is unknown). protocols-address-representation.html

Advanced BGP

Question

Exhibit

Options

AISP-A
BISP-B
CISP-C
DISP-D

How the community answered

(44 responses)

A
2% (1)
B
9% (4)
C
5% (2)
D
84% (37)

Explanation

Routes learned from an IGP have a lower origin code than those learned from an exterior gateway protocol (EGP), and both have lower origin codes than incomplete routes (routes whose origin is unknown). protocols-address-representation.html

Topics

#BGP best path#route selection#BGP attributes#multi-homing

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