华为ENSP-实验拓扑** 附件**：—>三层交换机互联-路由设置.zip
    次种方式互联是否需要添加路由取决于pc6.100的网关设置
    网关：6.254，sw2需要添加路由
    网关：6.253，则不需要添加路由
    可根据tracert 172.16.1.100看出（有截图）
    image.png

    1. sw1 sw2 不加路由：1.100-6.253 v
    2.                   1.100-6.254 x
    3.                   6.100-6.253 v
    4.                   6.100-1.254 x
    6. sw2 路由 172.16.1.0/24 172.16.6.253（对段IP）
    7.     或者 0.0.0.0/0 172.16.6.253
    8.                   1.100-6.253 v
    9.                   1.100-6.254 v
    10.                   6.100-6.253 v
    11.                   6.100-1.254 v
    1. [sw1]dis ip routing-table 
    2. Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface
    4.       127.0.0.0/8   Direct  0    0           D   127.0.0.1       InLoopBack0
    5.       127.0.0.1/32  Direct  0    0           D   127.0.0.1       InLoopBack0
    6.      172.16.1.0/24  Direct  0    0           D   172.16.1.254    Vlanif10
    7.    172.16.1.254/32  Direct  0    0           D   127.0.0.1       Vlanif10
    8.      172.16.6.0/24  Direct  0    0           D   172.16.6.253    Vlanif60
    9.    172.16.6.253/32  Direct  0    0           D   127.0.0.1       Vlanif60
    11. [[sw1]
    12. ················································································
    13. [sw2]dis ip routing-table 
    14. Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface
    16.       127.0.0.0/8   Direct  0    0           D   127.0.0.1       InLoopBack0
    17.       127.0.0.1/32  Direct  0    0           D   127.0.0.1       InLoopBack0
    18.      172.16.1.0/24  Static  60   0          RD   172.16.6.253    Vlanif60
    19.      172.16.6.0/24  Direct  0    0           D   172.16.6.254    Vlanif60
    20.    172.16.6.254/32  Direct  0    0           D   127.0.0.1       Vlanif60
    22. [sw2]
    23. ················································································
    24. pc2 网关：172.16.6.254 需要路由
    25. PC2>tracert 172.16.1.100
    27. traceroute to 172.16.1.100, 8 hops max
    28. (ICMP), press Ctrl+C to stop
    29.  1  172.16.6.254   31 ms  16 ms  31 ms
    30.  2  172.16.6.253   31 ms  47 ms  47 ms
    31.  3  172.16.1.100   62 ms  63 ms  78 ms
    33. PC2>
    34. ················································································
    35. pc2 网关：172.16.6.253 不需要路由
    36. PC2>tracert 172.16.1.100
    38. traceroute to 172.16.1.100, 8 hops max
    39. (ICMP), press Ctrl+C to stop
    40.  1  172.16.6.253   31 ms  47 ms  47 ms
    41.  2  172.16.1.100   94 ms  62 ms  63 ms
    43. PC2>