要求：

拓扑图：

<AR1>ping 5.5.5.1

<AR1>display ip interface brief 

<AR1>display ip routing-table 

<AR1>display ip routing-table protocol static 

<AR2>ping 5.5.5.1

<AR2>display ip interface brief 

<AR2>display ip routing-table 

<AR2>display ip routing-table protocol static 

<AR3>ping 5.5.5.1

<AR3>display ip interface brief 

<AR3>display ip routing-table 

<AR3>display ip routing-table protocol static 

[R1]ping 5.5.5.1

<R1>display ip interface brief 

[R1]display ip routing-table 

[R1]display ip routing-table protocol static

<AR5>ping 5.5.5.1

[AR5]display ip interface brief

[AR5]display ip routing-table 

[AR5]display ip routing-table protocol static