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JN0-661 · Question #24

Click the Exhibit button. Both autonomous systems shown in the exhibit use BGP with a full-mesh IPGP configuration within each autonomous system and EBGP between the two autonomous systems. A single…

The correct answer is B. R5 will automatically readvertise the route to other routers in AS 65512. D. R4 will automatically readvertise the route to R5. Default policies of BGP: 1.- Import Policy (All Peers) A BGP router will accept all non-looped BGP routes received from another BGP router. 2.- Export Policy (External Peers) A BGP router will advertise all active BGP routes in inet.0 to all configured external BGP peers. 3…

Advanced BGP

Question

Click the Exhibit button. Both autonomous systems shown in the exhibit use BGP with a full-mesh IPGP configuration within each autonomous system and EBGP between the two autonomous systems. A single route is generated on R1 and advertised into BGP. Which two statements are true in this scenario? (Choose two.)

Exhibit

JN0-661 question #24 exhibit

Options

  • AR4 will not automatically readvertise the route to R5.
  • BR5 will automatically readvertise the route to other routers in AS 65512.
  • CR5 will not automatically readvertise the route to other routers in AS 65512.
  • DR4 will automatically readvertise the route to R5.

How the community answered

(26 responses)
  • A
    15% (4)
  • B
    73% (19)
  • C
    12% (3)

Explanation

Default policies of BGP: 1.- Import Policy (All Peers) A BGP router will accept all non-looped BGP routes received from another BGP router. 2.- Export Policy (External Peers) A BGP router will advertise all active BGP routes in inet.0 to all configured external BGP peers. 3.- Export Policy (Internal Peers) A BGP router will advertise all active BGP routes in inet.0 to all internal peers if the routes were originally received from an external peer.

Topics

#IBGP split-horizon#EBGP readvertisement#full-mesh IBGP#route propagation

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