2 router = r1, transport = t1
3 host 192.168.4.3 [192.168.4.3] ad=no
5 router = r2, transport = t2
6 host V4NET.9.8.7 [V4NET.9.8.7] ad=no
8 router = r3, transport = t4
9 host 1.2.3.4 [1.2.3.4] ad=no
11 router = r3, transport = t3
12 host 1.2.3.4 [1.2.3.4] ad=no