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05-H3C_BFD典型配置举例
本章节下载： 05-H3C_BFD典型配置举例 (287.47 KB)
BFD配置举例
资料版本：6W101-20230905
产品版本：Release 7743P06
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目 录
本文档介绍了BFD配置举例。
本文档中的配置均是在实验室环境下进行的配置和验证，配置前设备的所有参数均采用出厂时的缺省配置。如果您已经对设备进行了配置，为了保证配置效果，请确认现有配置和以下举例中的配置不冲突。
本文假设您已了解BFD特性以及OSPF、RIP等路由协议。
不支持BFD for interface。
不支持echo报文。
某公司内部网络如图1所示，从Device A到Device B有两条转发路径，下一跳分别为Device B和Device C。由于Device A和Device B之间物理距离较远，通过一个二层交换机L2 Switch作为中继。假设Device A和Device B均支持BFD，要求在Device A上使用静态路由与BFD联动技术，实现当Device B与二层交换机L2 Switch之间的链路出现故障（如链路down）时，Device A能快速感知，并将流量切换到Device C的链路上。
图1 静态路由与BFD联动配置组网图
|
设备 |
接口 |
IP地址 |
设备 |
接口 |
IP地址 |
|
Device A |
Vlan-int10 |
192.168.10.101/24 |
Device B |
Vlan-int10 |
192.168.10.102/24 |
|
|
Vlan-int20 |
192.168.20.101/24 |
|
Vlan-int30 |
192.168.30.101/24 |
|
|
Vlan-int40 |
192.168.40.101/24 |
|
Vlan-int50 |
192.168.50.101/24 |
|
Device C |
Vlan-int20 |
192.168.20.102/24 |
|
|
|
|
|
Vlan-int30 |
192.168.30.102/24 |
|
|
|
该配置需要两端设备均支持BFD，才能够使用控制报文方式。
(1) 配置Device A各接口的IP地址
<DeviceA> system-view
[DeviceA] vlan 10
[DeviceA-vlan10] port GigabitEthernet 1/0/1
[DeviceA-vlan10] quit
[DeviceA] interface vlan-interface 10
[DeviceA-Vlan-interface10] ip address 192.168.10.101 24
[DeviceA-Vlan-interface10] quit
(2) 请参考以上方法配置4.1 图1中其它接口的IP地址，配置步骤这里省略
(1) 配置Device A
# 配置Device A到192.168.50.0/24网段的静态路由，Device A到Device B的流量优先走Device A –> L2 Switch–> Device B链路，当此链路发生故障时，流量切换到Device A –> Device C–> Device B链路上。
[DeviceA] ip route-static 192.168.50.0 24 vlan-interface 10 192.168.10.102 bfd control-packet
[DeviceA] ip route-static 192.168.50.0 24 vlan-interface 20 192.168.20.102 preference 65
(2) 配置Device B
# 配置Device B到192.168.40.0/24网段的静态路由，Device B到Device A的流量优先走Device B –> L2 Switch–> Device A链路，当此链路发生故障时，流量切换到Device B –> Device C–> Device A链路上。
[DeviceB] ip route-static 192.168.40.0 24 vlan-interface 10 192.168.10.101 bfd control-packet
[DeviceB] ip route-static 192.168.40.0 24 vlan-interface 30 192.168.30.102 preference 65
(3) 配置Device C
# 配置Device C到192.168.40.0/24和192.168.50.0/24网段的静态路由。
[DeviceC] ip route-static 192.168.40.0 24 vlan-interface 20 192.168.20.101
[DeviceC] ip route-static 192.168.50.0 24 vlan-interface 30 192.168.30.101
# 配置接口接收BFD 控制报文的最小时间间隔为100ms，单跳BFD检测时间倍数为3。
[DeviceA] interface vlan-interface 10
[DeviceA-Vlan-interface10] bfd min-control-interval 100
[DeviceA-Vlan-interface10] bfd detect-multiplier 3
[DeviceA-Vlan-interface10] quit
# 配置接口接收BFD 控制报文的最小时间间隔为100ms，单跳BFD检测时间倍数为3。
[DeviceB] interface vlan-interface 10
[DeviceB-Vlan-interface10] bfd min-control-interval 100
[DeviceB-Vlan-interface10] bfd detect-multiplier 3
[DeviceB-Vlan-interface10] quit
(1) Device A和Device B设备及之间的链路均正常工作时
# 在Device A查看静态路由信息。
[DeviceA] display ip routing-table protocol static
Summary Count : 2
Static Routing table Status : <Active>
Summary Count : 2
Destination/Mask Proto Pre Cost NextHop Interface
192.168.50.0/24 Static 60 0 192.168.10.102 Vlan10
Static Routing table Status : <Inactive>
Summary Count : 0
以上显示信息表示Device A经过L2 Switch到达Device B。
# 查看BFD会话。
[DeviceA] display bfd session
Total Session Num: 1 Up Session Num: 1 Init Mode: Active
IPv4 session working Under Ctrl Mode:
LD/RD SourceAddr DestAddr State Holdtime Interface
67 192.168.10.101 192.168.10.102 Up 300ms Vlan10
以上显示信息表示BFD会话已经创建。
(2) Device B与L2 Switch之间的链路出现故障时
# 查看静态路由。
[DeviceA] display ip routing-table protocol static
Summary Count : 1
Static Routing table Status : <Active>
Summary Count : 1
Destination/Mask Proto Pre Cost NextHop Interface
192.168.50.0/24 Static 65 0 192.168.20.102 Vlan20
Static Routing table Status : <Inactive>
Summary Count : 0
以上显示信息表示Device A经过Device C到达Device B。
· Device A：
#
vlan 10
#
vlan 20
#
vlan 40
#
interface Vlan-interface10
ip address 192.168.10.101 255.255.255.0
bfd min-control-interval 100
bfd detect-multiplier 3
#
interface Vlan-interface20
ip address 192.168.20.101 255.255.255.0
#
interface Vlan-interface40
ip address 192.168.40.101 255.255.255.0
#
interface GigabitEthernet1/0/1
port access vlan 10
#
interface GigabitEthernet1/0/2
port access vlan 20
#
interface GigabitEthernet1/0/3
port access vlan 40
#
ip route-static 192.168.50.0 24 Vlan-interface10 192.168.10.102 bfd control-packet
ip route-static 192.168.50.0 24 Vlan-interface20 192.168.20.102 preference 65
#
· Device B：
#
vlan 10
#
vlan 30
#
vlan 50
#
interface Vlan-interface10
ip address 192.168.10.102 255.255.255.0
bfd min-control-interval 100
bfd detect-multiplier 3
#
interface Vlan-interface30
ip address 192.168.30.101 255.255.255.0
#
interface Vlan-interface50
ip address 192.168.50.101 255.255.255.0
#
interface GigabitEthernet1/0/1
port access vlan 10
#
interface GigabitEthernet1/0/2
port access vlan 30
#
interface GigabitEthernet1/0/3
port access vlan 50
#
ip route-static 192.168.40.0 24 Vlan-interface10 192.168.10.101 bfd control-packet
ip route-static 192.168.40.0 24 Vlan-interface30 192.168.30.102 preference 65
#
· Device C：
#
vlan 20
#
vlan 30
#
interface Vlan-interface20
ip address 192.168.20.102 255.255.255.0
#
interface Vlan-interface30
ip address 192.168.30.102 255.255.255.0
#
interface GigabitEthernet1/0/1
port access vlan 20
#
interface GigabitEthernet1/0/2
port access vlan 30
#
ip route-static 192.168.40.0 24 Vlan-interface20 192.168.20.101
ip route-static 192.168.50.0 24 Vlan-interface30 192.168.30.101
#
如图2所示，某公司通过Device B将两个相距较远的部门连接。Device A、Device C、Device D上运行RIP，建立RIP邻居关系，保证网络层相互可达。
公司希望在Device A上使用RIP与BFD联动技术，实现当Device C与Device B之间的链路出现故障（如链路down）时，BFD能够快速感知并通告RIP协议。
已知Device C支持BFD功能，公司希望使用RIP与BFD联动技术，采用BFD控制报文方式实现当Device A或Device C与Device B之间的链路出现故障时，BFD能够快速感知并通告RIP协议。
现要求通过在Device A和Device C上配置RIP与BFD联动功能，实现：
当链路出现故障时设备能够快速感知并通告RIP协议，快速切换到Device D链路进行通信。
图2 RIP与BFD联动配置组网图
|
设备 |
接口 |
IP地址 |
设备 |
接口 |
IP地址 |
|
Device A |
Vlan-int300 |
192.168.3.1/24 |
Device B |
Vlan-int100 |
192.168.1.2/24 |
|
|
Vlan-int100 |
192.168.1.1/24 |
|
Vlan-int200 |
192.168.2.1/24 |
|
Device C |
Vlan-int200 |
192.168.2.2/24 |
Device D |
Vlan-int300 |
192.168.3.2/24 |
|
|
Vlan-int400 |
192.168.4.2/24 |
|
Vlan-int400 |
192.168.4.1/24 |
两端设备均需支持BFD，才能够使用控制报文方式。
(1) 配置Device A各接口的IP地址
<DeviceA> system-view
[DeviceA] vlan 300
[DeviceA-vlan300] port GigabitEthernet 1/0/1
[DeviceA-vlan300] quit
[DeviceA] interface vlan-interface 300
[DeviceA-Vlan-interface300] ip address 192.168.3.1 24
[DeviceA-Vlan-interface300] quit
(2) 请参考以上方法配置5.1 图2中其它接口的IP地址，配置步骤这里省略
# 配置RIP基本功能，并引入静态路由，使Device A与Device C互有路由发送
(1) 配置Device A。
<DeviceA> system-view
[DeviceA] rip 1
[DeviceA-rip-1] version 2
[DeviceA-rip-1] undo summary
[DeviceA-rip-1] network 192.168.1.0
[DeviceA-rip-1] network 101.1.1.0
[DeviceA-rip-1] peer 192.168.2.2
[DeviceA-rip-1] undo validate-source-address
[DeviceA-rip-1] import-route static
[DeviceA-rip-1] quit
[DeviceA] interface vlan-interface 100
[DeviceA-Vlan-interface100] rip bfd enable
[DeviceA-Vlan-interface100] quit
[DeviceA] rip 2
[DeviceA-rip-2] version 2
[DeviceA-rip-2] undo summary
[DeviceA-rip-2] network 192.168.3.0
[DeviceA-rip-2] quit
(2) 配置Device C。
<DeviceC> system-view
[DeviceC] rip 1
[DeviceC-rip-1] version 2
[DeviceC-rip-1] undo summary
[DeviceC-rip-1] network 192.168.2.0
[DeviceC-rip-1] network 192.168.4.0
[DeviceC-rip-1] network 100.1.1.0
[DeviceC-rip-1] peer 192.168.1.1
[DeviceC-rip-1] undo validate-source-address
[DeviceC-rip-1] import-route static
[DeviceC-rip-1] quit
[DeviceC] interface vlan-interface 200
[DeviceC-Vlan-interface200] rip bfd enable
[DeviceC-Vlan-interface200] quit
(3) 配置Device D。
<DeviceD> system-view
[DeviceD] rip 1
[DeviceD-rip-1] version 2
[DeviceD-rip-1] undo summary
[DeviceD-rip-1] network 192.168.3.0
[DeviceD-rip-1] network 192.168.4.0
# 配置Device A。
[DeviceA] interface vlan-interface 100
[DeviceA-Vlan-interface100] bfd min-control-interval 500
[DeviceA-Vlan-interface100] bfd detect-multiplier 7
[DeviceA-Vlan-interface100] quit
# 配置Device C。
[DeviceC] interface vlan-interface 200
[DeviceC-Vlan-interface200] bfd min-control-interval 500
[DeviceC-Vlan-interface200] bfd detect-multiplier 7
[DeviceC-Vlan-interface200] quit
# 配置Device A。
[DeviceA] ip route-static 192.168.2.0 24 vlan-interface 100 192.168.1.2
[DeviceA] quit
# 配置Device C。
[DeviceC] ip route-static 192.168.1.0 24 vlan-interface 200 192.168.2.1
# 显示Device A的BFD信息。
<DeviceA> display bfd session
Total Session Num: 1 Up Session Num: 1 Init Mode: Active
IPv4 session working under Ctrl mode:
LD/RD SourceAddr DestAddr State Holdtime Interface
513/513 192.168.1.1 192.168.2.2 Up 1700ms vlan100
# 显示Device A上学到的路由100.1.1.0/24，可以看到Device A经过Device B到达Device C。
<DeviceA> display ip routing-table 100.1.1.0 24
Summary count : 1
Destination/Mask Proto Pre Cost NextHop Interface
100.1.1.0/24 RIP 100 1 192.168.2.2 vlan-interface 100
Device B和Device C之间的链路发生故障后：
# 显示Device A上学到的路由100.1.1.0/24，可以看到Device A经过Device D到达Device C。
<DeviceA> display ip routing-table 100.1.1.0 24
Summary count : 1
Destination/Mask Proto Pre Cost NextHop Interface
100.1.1.0/24 RIP 100 2 192.168.3.2 vlan-interface 300
· Device A：
#
rip 1
undo summary
version 2
network 192.168.1.0
network 101.1.1.0
peer 192.168.2.2
undo validate-source-address
import-route static
#
rip 2
version 2
undo summary
network 192.168.3.0
#
vlan 100
#
vlan 300
#
interface Vlan-interface100
bfd min-control-interval 500
bfd detect-multiplier 7
#
interface Vlan-interface300
ip address 192.168.3.1 255.255.255.0
#
interface Vlan-interface100
ip address 192.168.1.1 255.255.255.0
rip bfd enable
#
interface GigabitEthernet1/0/1
port access vlan 100
#
interface GigabitEthernet1/0/2
port access vlan 300
#
ip route-static 192.168.2.0 24 Vlan-interface100 192.168.1.2
#
· Device C：
#
rip 1
undo summary
version 2
network 192.168.2.0
network 192.168.4.0
network 100.1.1.0
peer 192.168.1.1
undo validate-source-address
import-route static
#
vlan 200
#
vlan 400
#
interface Vlan-interface200
bfd min-control-interval 500
bfd detect-multiplier 7
ip address 192.168.2.2 255.255.255.0
rip bfd enable
#
interface Vlan-interface400
ip address 192.168.4.2 255.255.255.0
#
interface GigabitEthernet1/0/1
port access vlan 200
#
interface GigabitEthernet1/0/2
port access vlan 400
#
ip route-static 192.168.1.0 24 Vlan-interface200 192.168.2.1
#
· Device D：
#
rip 1
undo summary
version 2
network 192.168.3.0
network 192.168.4.0
#
vlan 300
#
vlan 400
#
interface Vlan-interface300
ip address 192.168.3.2 255.255.255.0
#
interface Vlan-interface400
ip address 192.168.4.1 255.255.255.0
#
interface GigabitEthernet1/0/1
port access vlan 300
#
interface GigabitEthernet1/0/2
port access vlan 400
#
如图3所示，某公司通过一台二层交换机作为中继将两个相距较远的部门连接。Device A、Device B、Device C上运行OSPF，建立OSPF邻居关系，保证网络层相互可达。
已知Device A和Device C都支持BFD功能，要求使用OSPF与BFD联动技术，采用BFD控制报文方式实现当Device A或Device C与二层交换机之间的链路出现故障（如链路down）时，BFD能够快速感知并通告OSPF协议。
现要求通过在Device A和Device C上配置OSPF与BFD联动功能，实现：
· 监测通过L2 Switch通信的链路；
· 当链路出现故障时设备能够快速感知并通告OSPF协议，快速切换到Device B链路进行通信。
图3 OSPF与BFD联动配置组网图
|
设备 |
接口 |
IP地址 |
设备 |
接口 |
IP地址 |
|
Device A |
Vlan-int10 |
10.1.0.101/24 |
Device B |
Vlan-int20 |
192.168.0.102/24 |
|
|
Vlan-int20 |
192.168.0.101/24 |
|
Vlan-int30 |
13.1.1.101/24 |
|
|
Vlan-int100 |
120.1.1.1/24 |
|
|
|
|
Device C |
Vlan-int10 |
10.1.0.102/24 |
|
|
|
|
|
Vlan-int30 |
13.1.1.102/24 |
|
|
|
|
|
Vlan-int100 |
121.1.1.1/24 |
|
|
|
Device A和Device C都支持BFD，可以使用BFD控制报文方式建立起BFD会话。
(1) 配置Device A各接口的IP地址
<DeviceA> system-view
[DeviceA] vlan 10
[DeviceA-vlan10] port GigabitEthernet 1/0/1
[DeviceA-vlan10] quit
[DeviceA] interface vlan-interface 10
[DeviceA-Vlan-interface10] ip address 10.1.0.101 24
[DeviceA-Vlan-interface11] undo shutdown
[DeviceA-Vlan-interface10] quit
(2) 请参考以上方法配置6.1 图3中其它接口的IP地址，具体配置步骤略
(1) 配置Device A
# 配置Device A的OSPF基本功能，并使能OSPF的BFD功能。
[DeviceA] ospf
[DeviceA-ospf-1] area 0
[DeviceA-ospf-1-area-0.0.0.0] network 10.1.0.0 0.0.0.255
[DeviceA-ospf-1-area-0.0.0.0] network 192.168.0.0 0.0.0.255
[DeviceA-ospf-1-area-0.0.0.0] network 120.1.1.0 0.0.0.255
[DeviceA-ospf-1-area-0.0.0.0] quit
[DeviceA-ospf-1] quit
[DeviceA] interface vlan-interface 10
[DeviceA-Vlan-interface10] ospf bfd enable
[DeviceA-Vlan-interface10] quit
(2) 配置Device B
# 配置Device B的OSPF基本功能。
[DeviceB] ospf
[DeviceB-ospf-1] area 0
[DeviceB-ospf-1-area-0.0.0.0] network 192.168.0.0 0.0.0.255
[DeviceB-ospf-1-area-0.0.0.0] network 13.1.1.0 0.0.0.255
[DeviceB-ospf-1-area-0.0.0.0] quit
[DeviceB-ospf-1] quit
(3) 配置Device C
# 配置Device C的OSPF基本功能，并使能OSPF的BFD功能。
[DeviceC] ospf
[DeviceC-ospf-1] area 0
[DeviceC-ospf-1-area-0.0.0.0] network 10.1.0.0 0.0.0.255
[DeviceC-ospf-1-area-0.0.0.0] network 13.1.1.0 0.0.0.255
[DeviceC-ospf-1-area-0.0.0.0] network 121.1.1.0 0.0.0.255
[DeviceC-ospf-1-area-0.0.0.0] quit
[DeviceC-ospf-1] quit
[DeviceC] interface vlan-interface 10
[DeviceC-Vlan-interface10] ospf bfd enable
[DeviceC-Vlan-interface10] quit
# 配置发送和接收单跳BFD控制报文的最小时间间隔都为100ms，单跳BFD检测时间倍数为3。
[DeviceA] interface vlan-interface 10
[DeviceA-Vlan-interface10] bfd min-control-interval 100
[DeviceA-Vlan-interface10] bfd detect-multiplier 3
[DeviceA-Vlan-interface10] quit
(2) 配置Device C
# 配置发送和接收单跳BFD控制报文的最小时间间隔都为100ms，单跳BFD检测时间倍数为3。
[DeviceC] interface vlan-interface 10
[DeviceC-Vlan-interface10] bfd min-control-interval 100
[DeviceC-Vlan-interface10] bfd detect-multiplier 3
[DeviceC-Vlan-interface10] quit
# 检查Device A连接的主机host A（120.1.1.2）到Device C连接的主机host C（121.1.1.2）是否可达。
<host A> ping 121.1.1.2
PING 121.1.1.2 (121.1.1.2): 56 data bytes
56 bytes from 121.1.1.2: seq=0 ttl=128 time=22.43 ms
56 bytes from 121.1.1.2: seq=1 ttl=128 time=7.17 ms
56 bytes from 121.1.1.2: seq=2 ttl=128 time=8.91 ms
56 bytes from 121.1.1.2: seq=3 ttl=128 time=7.45 ms
56 bytes from 121.1.1.2: seq=4 ttl=128 time=9.11 ms
--- 121.1.1.2 ping statistics ---
5 packets transmitted, 5 packets received, 0% packet loss
round-trip min/avg/max = 7.17/11.01/22.43 ms
# 查看Device A 上OSPF邻居信息，显示Device A和Device C已建立OSPF邻居关系。
[DeviceA] display ospf peer verbose
OSPF Process 1 with Router ID 2.2.2.2
Neighbors
Area 0.0.0.0 interface 10.1.0.101(Vlan-interface10)'s neighbors
Router ID: 1.1.1.1 Address: 10.1.0.102 GR State: Normal
State: Full Mode: Nbr is slave Priority: 1
DR: 10.1.0.101 BDR: 10.1.0.102 MTU: 0
Options is 0x42 (-|O|-|-|-|-|E|-)
Dead timer due in 39 sec
Neighbor is up for 00:09:01
Authentication Sequence: [ 0 ]
Neighbor state change count: 5
BFD status: Enabled(Control mode)
# 查看 Device A和Device C上BFD会话信息，显示BFD会话已被创建，且状态为Up。
[DeviceA] display bfd session verbose
Total Session Num: 1 Up Session Num: 1 Init Mode: Active
IPv4 session working in control packet mode:
Local Discr: 2049 Remote Discr: 2049
Source IP: 10.1.0.101 Destination IP: 10.1.0.102
Session State: Up Interface: Vlan-interface10
Min Tx Inter: 100ms Act Tx Inter: 100ms
Min Rx Inter: 100ms Detect Inter: 300ms
Rx Count: 36 Tx Count: 36
Connect Type: Direct Running Up for: 00:04:48
Hold Time: 300ms Auth mode: None
Detect Mode: Async Slot: 0
Protocol: OSPF
Version: 1
Diag Info: No Diagnostic
[DeviceC] display bfd session verbose
Total Session Num: 1 Up Session Num: 1 Init Mode: Active
IPv4 session working in control packet mode:
Local Discr: 2049 Remote Discr: 2049
Source IP: 10.1.0.102 Destination IP: 10.1.0.101
Session State: Up Interface: Vlan-interface10
Min Tx Inter: 100ms Act Tx Inter: 100ms
Min Rx Inter: 100ms Detect Inter: 300ms
Rx Count: 3971 Tx Count: 3776
Connect Type: Direct Running Up for: 00:06:52
Hold Time: 300ms Auth mode: None
Detect Mode: Async Slot: 0
Protocol: OSPF
Version: 1
Diag Info: No Diagnostic
# 在Device A上查看121.1.1.0/24的路由信息，可以看出Device A和Device C是通过L2 Switch进行通信的。
<DeviceA> display ip routing-table 121.1.1.0 verbose
Summary Count : 1
Destination: 121.1.1.0/24
Protocol: O_INTRA
Process ID: 1
SubProtID: 0x1 Age: 04h20m37s
Cost: 1 Preference: 10
IpPre: N/A QosLocalID: N/A
Tag: 0 State: Active Adv
OrigTblID: 0x0 OrigVrf: default-vrf
TableID: 0x2 OrigAs: 0
NibID: 0x26000002 LastAs: 0
AttrID: 0xffffffff Neighbor: 0.0.0.0
Flags: 0x1008c OrigNextHop: 10.1.0.102
Label: NULL RealNextHop: 10.1.0.102
BkLabel: NULL BkNextHop: N/A
Tunnel ID: Invalid Interface: Vlan-interface10
BkTunnel ID: Invalid BkInterface: N/A
FtnIndex: 0x0 TrafficIndex: N/A
Connector: N/A PathID: 0x0
# 当Device C和二层交换机之间的链路状态变为Down，BFD快速检测到链路发生变化并立刻通告OSPF。
%Oct 9 15:22:23:154 2013 DeviceC BFD/5/BFD_CHANGE_FSM: Sess[10.1.0.102/10.1.0.101, LD/RD:2049/2049, Interface:Vlan10, SessType:Ctrl, LinkType:INET] , Sta: UP-> DOWN, Diag: 1 (Control Detection Time Expired).
%Oct 9 15:22:23:155 2013 DeviceC OSPF/5/OSPF_NBR_CHG: OSPF 1 Neighbor 10.1.0.101(Vlan-interface10) from FULL to DOWN.
# 在Device A上查看121.1.1.0/24的路由信息，可以看出Device A和Device C已经切换到Device B进行通信。
<DeviceA> display ip routing-table 121.1.1.0 verbose
Summary Count : 1
Destination: 121.1.1.0/24
Protocol: O_INTRA
Process ID: 1
SubProtID: 0x1 Age: 04h20m37s
Cost: 2 Preference: 10
IpPre: N/A QosLocalID: N/A
Tag: 0 State: Active Adv
OrigTblID: 0x0 OrigVrf: default-vrf
TableID: 0x2 OrigAs: 0
NibID: 0x26000002 LastAs: 0
AttrID: 0xffffffff Neighbor: 0.0.0.0
Flags: 0x1008c OrigNextHop: 192.168.0.102
Label: NULL RealNextHop: 192.168.0.102
BkLabel: NULL BkNextHop: N/A
Tunnel ID: Invalid Interface: Vlan-interface20
BkTunnel ID: Invalid BkInterface: N/A
FtnIndex: 0x0 TrafficIndex: N/A
Connector: N/A PathID: 0x0
· Device A：
#
ospf 1
area 0.0.0.0
network 10.1.0.0 0.0.0.255
network 120.1.1.0 0.0.0.255
network 192.168.0.0 0.0.0.255
#
vlan 10
#
vlan 20
#
vlan 100
#
interface Vlan-interface10
ip address 10.1.0.101 255.255.255.0
ospf bfd enable
bfd min-control-interval 100
bfd detect-multiplier 3
#
interface Vlan-interface20
ip address 192.168.0.101 255.255.255.0
#
interface Vlan-interface100
ip address 120.1.1.1 255.255.255.0
#
interface GigabitEthernet1/0/1
port access vlan 10
#
interface GigabitEthernet1/0/2
port access vlan 20
#
interface GigabitEthernet1/0/3
port access vlan 100
#
· Device B：
#
ospf 1
area 0.0.0.0
network 13.1.1.0 0.0.0.255
network 192.168.0.0 0.0.0.255
#
vlan 20
#
vlan 30
#
interface Vlan-interface20
ip address 192.168.0.102 255.255.255.0
#
interface Vlan-interface30
ip address 13.1.1.101 255.255.255.0
#
interface GigabitEthernet1/0/1
port access vlan 20
#
interface GigabitEthernet1/0/2
port access vlan 30
#
· Device C：
#
ospf 1
area 0.0.0.0
network 10.1.0.0 0.0.0.255
network 13.1.1.0 0.0.0.255
network 121.1.1.0 0.0.0.255
#
vlan 10
#
vlan 30
#
vlan 100
#
interface Vlan-interface10
ip address 10.1.0.102 255.255.255.0
ospf bfd enable
bfd min-control-interval 100
bfd detect-multiplier 3
#
interface Vlan-interface30
ip address 13.1.1.102 255.255.255.0
#
interface Vlan-interface100
ip address 121.1.1.1 255.255.255.0
#
interface GigabitEthernet1/0/1
port access vlan 10
#
interface GigabitEthernet1/0/2
port access vlan 30
#
interface GigabitEthernet1/0/3
port access vlan 100
#
· H3C S5130S-EI-G系列交换机 三层技术-IP路由配置指导-R7743PXX
· H3C S5130S-EI-G系列交换机 三层技术-IP路由命令参考-R7743PXX
· H3C S5130S-EI-G系列交换机 可靠性配置指导-R7743PXX
· H3C S5130S-EI-G系列交换机 可靠性命令参考-R7743PXX
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