配置默认路由的命令是()。
Aiproute172.16.1.0255.255.255.00.0.0.0
Biproute172.16.1.0255.255.255.0172.16.2.1
Ciproute0.0.0255.255.255.0172.16.2.1
Diproute0.0.0.00.0.0.0172.16.2.1
Aiproute172.16.1.0255.255.255.00.0.0.0
Biproute172.16.1.0255.255.255.0172.16.2.1
Ciproute0.0.0255.255.255.0172.16.2.1
Diproute0.0.0.00.0.0.0172.16.2.1