华为默认路由配置

Demo：

R1：

<Huawei>system-view 
[Huawei]sysname R1
[R1]int g0/0/0
[R1-GigabitEthernet0/0/0]ip add 12.0.0.1 30
[R1-GigabitEthernet0/0/0]
Oct 22 2019 17:13:38-08:00 R1 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP 
on the interface GigabitEthernet0/0/0 has entered the UP state.
[R1-GigabitEthernet0/0/0]un sh
Info: Interface GigabitEthernet0/0/0 is not shutdown.
[R1-GigabitEthernet0/0/0]int g0/0/1
[R1-GigabitEthernet0/0/1]ip add 192.168.10.1 24
[R1-GigabitEthernet0/0/1]
Oct 22 2019 17:15:52-08:00 R1 %%01IFNET/4/LINK_STATE(l)[1]:The line protocol IP 
on the interface GigabitEthernet0/0/1 has entered the UP state.
[R1-GigabitEthernet0/0/1]un sh
Info: Interface GigabitEthernet0/0/1 is not shutdown.
[R1-GigabitEthernet0/0/1]dis ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
         Destinations : 6        Routes : 6        
Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface
       12.0.0.0/30  Direct  0    0           D   12.0.0.1        GigabitEthernet
0/0/0
       12.0.0.1/32  Direct  0    0           D   127.0.0.1       GigabitEthernet
0/0/0
      127.0.0.0/8   Direct  0    0           D   127.0.0.1       InLoopBack0
      127.0.0.1/32  Direct  0    0           D   127.0.0.1       InLoopBack0
   192.168.10.0/24  Direct  0    0           D   192.168.10.1    GigabitEthernet
0/0/1
   192.168.10.1/32  Direct  0    0           D   127.0.0.1       GigabitEthernet
0/0/1
[R1]ip route-static 0.0.0.0 0.0.0.0 12.0.0.2

R2：

<Huawei>system-view 
Enter system view, return user view with Ctrl+Z.	
[Huawei]sysname R2
[R2]int g0/0
Oct 22 2019 17:19:26-08:00 R2 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.
191.3.1 configurations have been changed. The current change number is 1, the ch
ange loop count is 0, and the maximum number of records is 4095./0
[R2-GigabitEthernet0/0/0]ip add 12.0.0.2 30
[R2-GigabitEthernet0/0/0]
Oct 22 2019 17:19:43-08:00 R2 %%01IFNET/4/LINK_STATE(l)[0]:The line protocol IP 
on the interface GigabitEthernet0/0/0 has entered the UP state.un 
[R2-GigabitEthernet0/0/0]un sh
Info: Interface GigabitEthernet0/0/0 is not shutdown.
[R2-GigabitEthernet0/0/0]int LoopBack 0
[R2-LoopBack0]
Oct 22 2019 17:20:46-08:00 R2 DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.
191.3.1 configurations have been changed. The current change number is 3, the ch
ange loop count is 0, and the maximum number of records is 4095.
[R2-LoopBack0]ip add 2.2.2.2 32
[R2-LoopBack0]dis ip routing
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
         Destinations : 5        Routes : 5        

Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface

        2.2.2.2/32  Direct  0    0           D   127.0.0.1       LoopBack0
       12.0.0.0/30  Direct  0    0           D   12.0.0.2        GigabitEthernet
0/0/0
       12.0.0.2/32  Direct  0    0           D   127.0.0.1       GigabitEthernet
0/0/0
      127.0.0.0/8   Direct  0    0           D   127.0.0.1       InLoopBack0
      127.0.0.1/32  Direct  0    0           D   127.0.0.1       InLoopBack0
 [R2]ip route-static 192.168.10.0 24 12.0.0.1

PC1和PC2写IP地址和子网，网关：

通过PC1ping网关和R2路由查看是否互通：

PC>ping 192.168.10.1
Ping 192.168.10.1: 32 data bytes, Press Ctrl_C to break
From 192.168.10.1: bytes=32 seq=1 ttl=255 time=47 ms
From 192.168.10.1: bytes=32 seq=2 ttl=255 time=31 ms
From 192.168.10.1: bytes=32 seq=3 ttl=255 time=31 ms
From 192.168.10.1: bytes=32 seq=4 ttl=255 time=47 ms
From 192.168.10.1: bytes=32 seq=5 ttl=255 time=47 ms

--- 192.168.10.1 ping statistics ---
  5 packet(s) transmitted
  5 packet(s) received
  0.00% packet loss
  round-trip min/avg/max = 31/40/47 ms
    
 [R1]ping 2.2.2.2
  PING 2.2.2.2: 56  data bytes, press CTRL_C to break
    Reply from 2.2.2.2: bytes=56 Sequence=1 ttl=255 time=30 ms
    Reply from 2.2.2.2: bytes=56 Sequence=2 ttl=255 time=50 ms
    Reply from 2.2.2.2: bytes=56 Sequence=3 ttl=255 time=20 ms
    Reply from 2.2.2.2: bytes=56 Sequence=4 ttl=255 time=10 ms
    Reply from 2.2.2.2: bytes=56 Sequence=5 ttl=255 time=50 ms

  --- 2.2.2.2 ping statistics ---
    5 packet(s) transmitted
    5 packet(s) received
    0.00% packet loss
    round-trip min/avg/max = 10/32/50 ms

[R1]ping 12.0.0.2
  PING 12.0.0.2: 56  data bytes, press CTRL_C to break
    Reply from 12.0.0.2: bytes=56 Sequence=1 ttl=255 time=40 ms
    Reply from 12.0.0.2: bytes=56 Sequence=2 ttl=255 time=10 ms
    Reply from 12.0.0.2: bytes=56 Sequence=3 ttl=255 time=30 ms
    Reply from 12.0.0.2: bytes=56 Sequence=4 ttl=255 time=30 ms
    Reply from 12.0.0.2: bytes=56 Sequence=5 ttl=255 time=30 ms

  --- 12.0.0.2 ping statistics ---
    5 packet(s) transmitted
    5 packet(s) received
    0.00% packet loss
    round-trip min/avg/max = 10/28/40 ms

此时可以达到全网互通，试验成功！