DRAG DROP
Drag the correct description on the left to the EBGP, IBGP or IGP category on the right.
A.
B.
C.
D.
Explanation/Reference:
Explanation:
EBP
1) Has lowest default admin distance:
Explanation: The Default admin distances are
EBGP 20
IGP 100
IBGP 200
See: http://www.cisco.com/warp/public/105/admin_distance.pdf
2) Propagates routing updates to external neighbours
Explanation: eBGP is used to send routing updates to external neighbours ————————————–
IBGP
1) Has the highest default admin distance:
Explanation: The Default admin distances are
EBGP 20
IGP 100
IBGP 200
See: http://www.cisco.com/warp/public/105/admin_distance.pdf
2) Propagates the external routes within an as
Explanation: iBGP is used to propagate routes leaned from external neighbour via eBGP to other iBGP neighbours.
IGP
1) Not affected by route flaps external to the AS.
Explanation: IGP is used for the interior routes, BGP handles the external routes.
2) Propagates the internal subnets and BGP next hops.
Explanation: IGP is used for the interior routes / internal subnets. BGP handles the external routes. The IGP propagates the next hops for BGP so IBGP neighbours can establish.
