【思唯网络学院】静态路由、浮动路由、默认路由配置
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时间:2019-12-2 15:50   评论:0 条 
静态路由、浮动路由、默认路由配置


掌握目标
一、配置设备名称与 IP 地址:
二、配置静态路由
三、配置浮动路由用于备份
四、配置默认路由


一、配置设备名称与 IP 地址: (ccieh3c.qzone.qq.com)


R1:
<Huawei>system-view
Enter system view, return user view with Ctrl+Z.
[Huawei]sysname R1
[R1]interface g0/0/1
[R1-GigabitEthernet0/0/1]ip address 202.100.1.1 255.255.255.0
quit


[R1]interface g0/0/2
[R1-GigabitEthernet0/0/2]ip add 202.100.2.1 255.255.255.0
quit
[R1-GigabitEthernet0/0/1]int lo 0 =====创建环回接口
[R1-LoopBack0]ip add 1.1.1.1 255.255.255.255
[R1-LoopBack0]quit
[R1]display current-configuration interface =====显示接口信息
#
interface GigabitEthernet0/0/0
#
interface GigabitEthernet0/0/1
ip address 202.100.1.1 255.255.255.0
#
interface GigabitEthernet0/0/2
ip address 202.100.2.1 255.255.255.0
#
interface NULL0
#
interface LoopBack0
ip address 1.1.1.1 255.255.255.255


R2:
[R2]interface g0/0/1
[R2-GigabitEthernet0/0/1]ip add 202.100.1.2 255.255.255.0
[R2-GigabitEthernet0/0/1]int g0/0/0
[R2-GigabitEthernet0/0/0]ip add 202.100.3.2 255.255.255.0
[R2-GigabitEthernet0/0/0]int lo 0
[R2-LoopBack0]ip ad 2.2.2.2 255.255.255.255
[R2-LoopBack0]quit
R3:
[R3]int g0/0/2
[R3-GigabitEthernet0/0/2]ip add 202.100.2.3 255.255.255.0
[R3-GigabitEthernet0/0/2]int g0/0/0
[R3-GigabitEthernet0/0/0]ip add 202.100.3.3 255.255.255.0
[R3-GigabitEthernet0/0/0]int lo 0
[R3-LoopBack0]ip add 3.3.3.3 255.255.255.255


<R1>ping -c 2 202.100.1.2 =====ping 两个数据包
PING 202.100.1.2: 56 data bytes, press CTRL_C to break
Reply from 202.100.1.2: bytes=56 Sequence=1 ttl=255 time=10 ms
Reply from 202.100.1.2: bytes=56 Sequence=2 ttl=255 time=1 ms
--- 202.100.1.2 ping statistics ---
2 packet(s) transmitted
2 packet(s) received
0.00% packet loss
round-trip min/avg/max = 1/5/10 ms
<R1>ping -c 2 202.100.2.3
PING 202.100.2.3: 56 data bytes, press CTRL_C to break
Reply from 202.100.2.3: bytes=56 Sequence=1 ttl=255 time=20 ms
Reply from 202.100.2.3: bytes=56 Sequence=2 ttl=255 time=10 ms
--- 202.100.2.3 ping statistics ---
2 packet(s) transmitted
2 packet(s) received
0.00% packet loss
round-trip min/avg/max = 10/15/20 ms
<R1>display ip routing-table ====查看路由表
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 11 Routes : 11
Destination/Mask Proto Pre Cost Flags NextHop Interface
1.1.1.1/32 Direct 0 0 D 127.0.0.1 LoopBack0
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
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
202.100.1.0/24 Direct 0 0 D 202.100.1.1 GigabitEthernet0




二、配置静态路由

[R1]ip route-static 3.3.3.3 255.255.255.255 202.100.2.3 ===添加静态路由
[R1]ip route-static 202.100.3.0 255.255.255.0 202.100.2.3
[R1]display ip routing-table =====Static 代表静态路由,60 代表静态路由优先级
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 13 Routes : 13
Destination/Mask Proto Pre Cost Flags NextHop Interface
1.1.1.1/32 Direct 0 0 D 127.0.0.1 LoopBack0
3.3.3.3/32 Static 60 0 RD 202.100.2.3 GigabitEthernet0
<R1>ping -c 1 3.3.3.3
PING 3.3.3.3: 56 data bytes, press CTRL_C to break
Reply from 3.3.3.3: bytes=56 Sequence=1 ttl=255 time=10 ms
<R1>ping -c 1 202.100.3.3


PING 202.100.3.3: 56 data bytes, press CTRL_C to break
Reply from 202.100.3.3: bytes=56 Sequence=1 ttl=255 time=10 ms




三、配置浮动路由用于备份 (ccieh3c.qzone.qq.com)


配置备份静态路由,当 R1 与 R3 之间链路出现故障时,可走 R2。
[R2]ip route-static 3.3.3.3 255.255.255.255 202.100.3.3
[R1]ip route-static 202.100.3.0 24 202.100.1.2 preference 80
[R1]ip route-static 3.3.3.3 32 202.100.1.2 preference 80
[R3]ip route-static 202.100.1.0 255.255.255.0 202.100.3.2
[R1]tracert 202.100.3.3
traceroute to 202.100.3.3(202.100.3.3), max hops: 30 ,packet length: 40,press CTRL_C to break
1 202.100.2.3 10 ms 10 ms 20 ms
[R1]tracert 3.3.3.3
traceroute to 3.3.3.3(3.3.3.3), max hops: 30 ,packet length: 40,press CTRL_C to break
1 202.100.2.3 20 ms 10 ms 20 ms
[R1]int g0/0/2


[R1-GigabitEthernet0/0/2]shutdown
[R1]display ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 10 Routes : 10
3.3.3.3/32 Static 80 0 RD 202.100.1.2 GigabitEthernet0/0/1
202.100.3.0/24 Static 80 0 RD 202.100.1.2 GigabitEthernet0/0/1
[R1]tracert 3.3.3.3
1 202.100.1.2 20 ms 1 ms 10 ms
2 202.100.3.3 20 ms 10 ms 20 ms
[R1]tracert 202.100.3.3
1 202.100.1.2 1 ms 10 ms 10 ms
2 202.100.3.3 20 ms 20 ms 20 ms
[R1]interface g0/0/2


[R1-GigabitEthernet0/0/2]undo shutdown (注:华为设备中 no 掉配置命令 undo) 此处敲 restart 也可以
May 12 2014 22:58:05-05:13 R1 %%01IFPDT/4/IF_STATE(l)[6]:Interface GigabitEtherne
t0/0/2 has turned into UP state.
[R2]ip route-static 0.0.0.0 0.0.0.0 202.100.3.3 ====添加默认路由
[R2]ping 202.100.2.1
PING 202.100.2.1: 56 data bytes, press CTRL_C to break
Reply from 202.100.2.1: bytes=56 Sequence=1 ttl=254 time=10 ms
Reply from 202.100.2.1: bytes=56 Sequence=5 ttl=254 time=30 ms




四、配置默认路由 (ccieh3c.qzone.qq.com)


配置备份默认路由,当 R2 与 R3 之间链路出现故障时,可走 R1。
[R2]ip route-static 0.0.0.0 0.0.0.0 202.100.1.1 preference 80
[R3]ip route-static 0.0.0.0 0.0.0.0 202.100.2.1 preference 80
[R2]int g0/0/0
[R2-GigabitEthernet0/0/0]shut
[R2-GigabitEthernet0/0/0]
[R2]tracert 202.100.2.3
traceroute to 202.100.2.3(202.100.2.3), max hops: 30 ,packet length: 40,press CTRL_C to break
1 202.100.1.1 10 ms 10 ms 10 ms
2 202.100.2.3 20 ms 20 ms 10 ms


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