Your ISP is announcing a default route to both R1 and R2. You want your network routers to forward all Internet traffic through the R1 device. Which BGP attribute would you use?

The correct answer is C. local preference. The BGP attribute that you would use to forward all Internet traffic through the R1 device is the local preference. The local preference is an attribute that is used within an autonomous system (AS) and exchanged between iBGP routers. It is used to select an exit point from the A

BGP

Question

Exhibit

Options

AMED
Bnext-hop
Clocal preference
Dorigin

How the community answered

(35 responses)

A
3% (1)
B
9% (3)
C
86% (30)
D
3% (1)

Explanation

The BGP attribute that you would use to forward all Internet traffic through the R1 device is the local preference. The local preference is an attribute that is used within an autonomous system (AS) and exchanged between iBGP routers. It is used to select an exit point from the AS. The path with the highest local preference is preferred. By setting a higher local preference for the routes received from R1, you can make R1 the preferred exit point for all Internet traffic.

Topics

#BGP local preference#inbound traffic engineering#EBGP#BGP path selection

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