Given the accompanying output, which additional command is needed to redistribute IGRP
into EIGRP?
router eigrp 123
network 10.10.10.0
no auto-summary
!
router igrp 123
network 172.16.0.0
network 172.17.0.0
Select the best response.

A.
Under the router igrp mode add redistribute eigrp 123

B.
Under the router eigrp mode add redistribute igrp 123

C.
Under the router eigrp mode add redistribute igrp 123 subnets

D.
None, EIGRP and IGRP are automatically redistributed in this instance.

Explanation:
When redistributing IGRP to EIGRP, there is a feature that they are automatically redistributed if they have
same autonomous system number; in opposite, they need to manually redistributed if they have different
autonomous system number.