R3
<Huawei>sy
[Huawei]int s0/0/0
[Huawei-Serial0/0/0]link-protocol hdlc
Warning: The encapsulation protocol of the link will be changed.
Continue? [Y/N]:y
[Huawei-Serial0/0/0]ip ad 10.1.1.1 30
[Huawei-Serial0/0/0]q
[Huawei]int loop 0
[Huawei-LoopBack0]ip ad 10.0.1.1 32
[Huawei-LoopBack0]int s0/0/0
[Huawei-Serial0/0/0]ip address unnumbered interface LoopBack 0
[Huawei-Serial0/0/0]q
[Huawei]ip route-static 10.0.1.0 24 s 0/0/0
[Huawei]dis ip int b
