— Exhibit —
[edit]
user@R1# show routing-options router-id
router-id 1.1.1.1;
[edit]
user@R1# show protocols ospf
area 0.0.0.0 {
interface ge-0/0/7.0;
}
[edit]
user@R2# show routing-options router-id
router-id 2.2.2.2;
[edit]
user@R2# show protocols ospf
area 0.0.0.0 {
interface ge-0/0/8.0 {
priority 200;
}
}
[edit]
user@R3# show routing-options router-id
router-id 222.255.255.255;
[edit]
user@R3# show protocols ospf
area 0.0.0.0 {
interface ge-0/0/8.0;
}
[edit]
user@R4# show routing-options router-id
router-id 239.255.255.255;
[edit]
user@R4# show protocols ospf
area 0.0.0.0 {
interface ge-0/0/6.0 {
priority 0;
}
}
— Exhibit —
Click the Exhibit button.
All four routers in the exhibit are in the same broadcast domain. The routers were powered on at
the same time.
Based on the configurations, which devices are the DR and the BDR
A.
R4 is the DR and R2 is the BDR.
B.
R2 is the DR and R3 is the BDR.
C.
R2 is the DR and R1 is the BDR.
D.
R3 is the DR and R2 is the BDR.