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Question 498

Refer to the exhibit. Which configuration must be implemented to establish EBGP peering between R1 and R2?

A.

B.

C.

D.

    Correct Answer:

    To establish EBGP (External Border Gateway Protocol) peering between R1 and R2, the configurations must accurately specify the neighbor IP address and the remote AS (Autonomous System) numbers. For Router R2, it should be configured to peer with R1's Ethernet0 IP address (131.108.1.1) and correctly specify AS300 as the remote AS. Similarly, Router R1 must be configured to peer with R2's Ethernet0 IP address (131.108.1.2) and specify AS320 as the remote AS. Therefore, the correct configuration is as follows: R2 configuration: router bgp 320 neighbor 131.108.1.1 remote-as 300 R1 configuration: router bgp 300 neighbor 131.108.1.2 remote-as 320 Hence, the correct answer is C.

Discussion
bora4motion

C is the correct answer.

adrian0792

C is the correct answer.

Rickypan

C is the correct ans

SeMo0o0o

C is correct

vedranr

Why not D?

Splashisthegreatestmovie

D could work but you need extra stuff in the config like update-source lo x.x.x.x

mgiuseppe86

We dont have enough info to assume D is correct. if the update-source lo1 command was shown then it would kbe

Chiaretta

The correct answer is C, the log is saing that neighbor configuration on R2 is wrong. router bgp 320 neighbor 131.108.1.11 remote-as 300

danman32

Thanks for pointing that out. I was wondering where the error in the debug was coming from.

Wrad

Hi. Does someone know, were the .11 in the debug is coming from?

Asymptote

Might be the network admin typed it wrong.

JackDRipper

From the neighbor statement on R2. Meaning, the "admin" typed in the wrong neighbor address and he got that error in the debug. Answer C corrects it. See Chiaretta's reply.