What are the two reasons for the appearance of 0.0.0.0 as the next hop for a network in the show ip bgp command output?

What are the two reasons for the appearance of 0.0.0.0 as the next hop for a network in the
show ip bgp command output? (Choose two.)

What are the two reasons for the appearance of 0.0.0.0 as the next hop for a network in the
show ip bgp command output? (Choose two.)

A.
The network was originated via redistribution of aninterior gateway protocol into BGP.

B.
The network was defined by a static route.

C.
The network was originated via a network or aggregate command.

D.
The network was learned via EBGP.

E.
The network was learned via IBGP.

Explanation:
You can read my BGP Summary Routeto see “the network was originated via a network or
aggregate command” has the next hop of 0.0.0.0. In short, the router on which you use the
“network” or “aggregate” command will set the next hop of 0.0.0.0 for that route.
About redistribution please refer to the Understanding Redistribution of OSPF Routes into
BGP:
http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a00800943c5.shtml you will see after
the network 2.0.0.0 has been redistributed in BGP it has the next hop of 0.0.0.0.



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