单选题R1 in ASN 1 with loopback1 address 1.1.1.1 needs to be configured with an iBGP connection to R2 with loopback2 IP address 2.2.2.2. The connection should use the loopbacks. Which o f the following commands is required on R1?（）Aneighbor 1.1.1.1 remote- as 1Bneighbor 2.2.2.2 remote- as 2Cneighbor 2.2.2.2 update - source loopback1Dneighbor 2.2.2.2 ibgp -multihop 2Eneighbor 2.2.2.2 ibgp - mode
单选题
R1 in ASN 1 with loopback1 address 1.1.1.1 needs to be configured with an iBGP connection to R2 with loopback2 IP address 2.2.2.2. The connection should use the loopbacks. Which o f the following commands is required on R1?（）
A
neighbor 1.1.1.1 remote- as 1
B
neighbor 2.2.2.2 remote- as 2
C
neighbor 2.2.2.2 update - source loopback1
D
neighbor 2.2.2.2 ibgp -multihop 2
E
neighbor 2.2.2.2 ibgp - mode
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