Exhibit:
What is the required configuration on Domain 2 to allow Domain 2 to announce the 192.168.0.0/16 prefix to Domain 3 via BGP?
A.
router bgp 65101
neighbor 10.1.1.2 remote-as 65102
neighbor 192.168.1.2 remote-as 65101
network 192.168.1.0
auto-summary
B.
router bgp 65101
neighbor 10.1.1.2 remote-as 65102
neighbor 192.168.1.2 remote-as 65101
network 192.168.0.0
!
ip route 192.168.0.0 255.255.0.0 192.168.1.2
C.
router bgp 65101
neighbor 10.1.1.2 remote-as 65102
neighbor 192.168.1.2 remote-as 65101
network 192.168.0.0 mask 255.255.0.0
auto-summary
!
ip route 192.0.0.0 255.0.0.0 192.168.1.2
D.
router bgp 65101
neighbor 10.1.1.2 remote-as 65102
neighbor 192.168.1.2 remote-as 65101
network 192.168.0.0 mask 255.255.0.0
!
ip route 192.168.0.0 255.255.0.0 192.168.1.2
Explanation:
Without knowing the IGP, we must ensure that an exact route into the routing table for the network advertised.
Wrong Answer
1. A Auto summary would only summarize 192.168.1.0/24 and not /16
2. B Will only advertise 198.168.0.0/24 and not /16
3. C Need an exact match on route in Routing table and network command