双网关备份(bfd+VRRP+策略路由配置)企业网搭建

设备选型

vlan规划

Ip地址规划

产品名字	产品型号	设备命名	登录密码
路由器	Ar2220	Dianxin	123456
路由器	Ar2220	Dianxin	123456
路由器	Ar2220	Liantong	123456
路由器	Ar2220	R3	123456
交换机	S5700	S1	123456
交换机	S5700	S2	123456
交换机	S3700	S3	123456
集线器	Hub	H1
集线器	Hub	H2

产品型号	设备命名	接口	Ip地址
AR2220	Dianxin	G0/0/1	/24
AR2220	Dianxin	G0/0/2	13.13.13.13/24
AR2220	Dianxin	G0/0/0	1.1.1.1/24
AR2220	Dianxin	G4/0/0	/24
Ar2220	Liantong	G0/0/1	/24
Ar2220	Liantong	G0/0/2	37.37.37.37/24
Ar2220	Liantong	G0/0/0	31.31.31.31/24
Ar2220	Liantong	G4/0/0	/24
Ar2220	R3	G0/0/1
Ar2220	R3	G0/0/0
S5700	S1	G0/0/1	Vlan100
S5700	S1	G0/0/2	Vlan200
S5700	S1	G0/0/3	E-trunk 1
S5700	S1	G0/0/4	E-trunk 1
S5700	S2	G0/0/1	Vlan200
S5700	S2	G0/0/2	Vlan100
S5700	S2	G0/0/3	E-trunk 1
S5700	S2	G0/0/4	E-trunk 1

实验拓扑

基础配置

Vlan划分以及IP配置

S3

sy

Enter system view, return user view with Ctrl+Z.

[Huawei]sys S3

[S3]  v b 10 20

[S3]int e0/0/1

[S3-Ethernet0/0/1]p l t

[S3-Ethernet0/0/1]p t a v 10 20

[S3-Ethernet0/0/1]int e0/0/2

[S3-Ethernet0/0/2]p l t

[S3-Ethernet0/0/2]p t a v 10 20

[S3-Ethernet0/0/1]int e0/0/3

[S3-Ethernet0/0/3]p l d

[S3-Ethernet0/0/3]p d v 10

[S3-Ethernet0/0/3]int e0/0/4

[S3-Ethernet0/0/4]p l a

[S3-Ethernet0/0/4]p d v 20

S1

sy

Enter system view, return user view with Ctrl+Z.

[Huawei]sy s1

[s1]un in en

Info: Information center is disabled.

[s1]v b 10 20 100 200 300

Info: This operation may take a few seconds. Please wait for a moment...done.

[s1]int g0/0/5

[s1-GigabitEthernet0/0/5]p l t

[s1-GigabitEthernet0/0/5]p t a v 10 20

[s1-GigabitEthernet0/0/5]q

[s1]int e 1

[s1-Eth-Trunk1]q

[s1]int g0/0/3

[s1-GigabitEthernet0/0/3]e 1

[s1-GigabitEthernet0/0/3]int g0/0/4

[s1-GigabitEthernet0/0/4]e 1

[s1]int g0/0/2

[s1-GigabitEthernet0/0/2]p l d

[s1-GigabitEthernet0/0/2]p d v 200

[s1-GigabitEthernet0/0/2]int g0/0/1

[s1-GigabitEthernet0/0/1]p l d

[s1-GigabitEthernet0/0/1]p d v 100

[s1-GigabitEthernet0/0/1]int e 1

[s1-Eth-Trunk1]p l t

[s1-Eth-Trunk1]p t p v 300

[s1-Eth-Trunk1]p t a v 300

[s1-Eth-Trunk1]p t a v 300 10 20  100 200

[s1-Eth-Trunk1]q

[s1]int v 10

[s1-Vlanif10]ip add 192.168.1.1 24

[s1-Vlanif10]q

[s1]int v 300

[s1-Vlanif300]ip add 172.16.1.1 24

[s1-Vlanif300]int v 100

[s1-Vlanif100]ip add 1.1.1.2 24

[s1-Vlanif100]int v 200

[s1-Vlanif200]ip add 3.3.3.4 24

[s1]int v 20

[s1-Vlanif20]ip add 192.168.2.2 24

S2

sy

Enter system view, return user view with Ctrl+Z.

[Huawei]sys s2

[s2]v b 10 20 100 300 200

[s2]un in en

Info: Information center is disabled.

[s2]int g0/0/5

[s2-GigabitEthernet0/0/5]p l t

[s2-GigabitEthernet0/0/5]p t a v 10 20  

[s2-GigabitEthernet0/0/5]int e 1

[s2-Eth-Trunk1]q

[s2]int g0/0/3

[s2-GigabitEthernet0/0/3]e 1

Info: This operation may take a few seconds. Please wait for a moment...done.

[s2-GigabitEthernet0/0/3]int g0/0/4

[s2-GigabitEthernet0/0/4]e 1

Info: This operation may take a few seconds. Please wait for a moment...done.

[s2-GigabitEthernet0/0/4]int g0/0/2

[s2-GigabitEthernet0/0/2]p l a

[s2-GigabitEthernet0/0/2]p d v 100

[s2-GigabitEthernet0/0/2]int g0/0/1

[s2-GigabitEthernet0/0/1]p l a

[s2-GigabitEthernet0/0/1]p d v 200

[s2-GigabitEthernet0/0/1]int e 1

[s2-Eth-Trunk1]p l t

[s2-Eth-Trunk1]p t a v 100 200 10 20 300

[s2-Eth-Trunk1]p t p v 300

[s2-Eth-Trunk1]int v 10

[s2-Vlanif10]ip add 192.168.1.2 24

[s2-Vlanif10]int v 20

[s2-Vlanif20]ip add 192.168.2.1 24

[s2-Vlanif20]int v 300

[s2-Vlanif300]ip add 172.16.1.2 24

[s2-Vlanif300]int v 100

[s2-Vlanif100]ip add 9.9.9.10 24

[s2-Vlanif100]int v 200

[s2-Vlanif200]ip add 10.10.10.11 24

Disnxin

sy

Enter system view, return user view with Ctrl+Z.

[Huawei]sy dianxin

[dianxin]int g0/0/0

[dianxin-GigabitEthernet0/0/0]ip add 2.2.2.2 24

[dianxin-GigabitEthernet0/0/0]int g0/0/1

[dianxin-GigabitEthernet0/0/1]ip add 1.1.1.1 24

[dianxin-GigabitEthernet0/0/1]int g0/0/2

[dianxin-GigabitEthernet0/0/2]ip add 13.13.13.13 24

[dianxin-GigabitEthernet0/0/2]int g4/0/0

[dianxin-GigabitEthernet4/0/0]ip add 9.9.9.9 24

Liantong

sy

Enter system view, return user view with Ctrl+Z.

[Huawei]sy liantong

[liantong]int g0/0/0

[liantong-GigabitEthernet0/0/0]ip add 31.31.31.31 24

[liantong-GigabitEthernet0/0/0]int g0/0/2

[liantong-GigabitEthernet0/0/2]ip add 37.37.37.37 24

[liantong-GigabitEthernet0/0/2]int g4/0/0

[liantong-GigabitEthernet4/0/0]ip add 3.3.3.3 24

[liantong-GigabitEthernet4/0/0]int g0/0/1

[liantong-GigabitEthernet0/0/1]ip add 10.10.10.10 24

Ip地址池和网关配置

S2

sy

Enter system view, return user view with Ctrl+Z.

[s2]dhcp e

Info: The operation may take a few seconds. Please wait for a moment.done.

[s2]int v 10

[s2-Vlanif10]dhcp sel int

[s2-Vlanif10]dhcp server static-bind ip-address 192.168.1.253 mac-address 5489-9858-03F4

[s2-Vlanif10]int v 20

[s2-Vlanif20]dhcp sel int

S1

sy

Enter system view, return user view with Ctrl+Z.

[s1]dhcp e

Info: The operation may take a few seconds. Please wait for a moment.done.

[s1]int v 10

[s1-Vlanif10]dhcp sel int

[s1-Vlanif10]dhcp ser

[s1-Vlanif10]dhcp server  s

[s1-Vlanif10]dhcp server  static-bind  ip

[s1-Vlanif10]dhcp server  static-bind  ip-address  192.168.1.253 ma

[s1-Vlanif10]dhcp server  static-bind  ip-address  192.168.1.253 mac-address 5489-9858-03F4

[s1-Vlanif10]int v 20

[s1-Vlanif20]dhcp sel int

Mstp配置

S1

sy

Enter system view, return user view with Ctrl+Z.

[s1]stp mode  mstp

[s1]stp region-configuration  

[s1-mst-region]region-name lwh

[s1-mst-region]instance  1 vlan  10

[s1-mst-region]instance  2 vlan  20

[s1-mst-region]active  region-configuration

Info: This operation may take a few seconds. Please wait for a moment...done.

[s1-mst-region]q

[s1]stp instance  1  root  primary  

[s1]stp instance  2 root  secondary  

S2

sy

Enter system view, return user view with Ctrl+Z.

[s2]stp mode  mstp

[s2]stp region-configuration

[s2-mst-region]region-name lwh

[s2-mst-region]instance  1 vlan  10

[s2-mst-region]instance  2 vlan  20

[s2-mst-region]active  region-configuration

Info: This operation may take a few seconds. Please wait for a moment...done.

[s2-mst-region]q

[s2]stp instance  1 root  secondary

[s2]stp instance  2 root  primary

S3

sy

Enter system view, return user view with Ctrl+Z.

[S3]stp mode mstp

[S3]stp region-configuration

[S3-mst-region]instance  1 vlan  10

[S3-mst-region]instance  2 v 20

[S3-mst-region]region-name lwh

[S3-mst-region]active region-configuration

Info: This operation may take a few seconds. Please wait for a moment...done.

[S3-mst-region]q

效果

[S3]dis stp instance 1 b

 MSTID  Port                        Role  STP State     Protection

   1    Ethernet0/0/1               ROOT  FORWARDING      NONE

   1    Ethernet0/0/2               ALTE  DISCARDING      NONE

   1    Ethernet0/0/3               DESI  FORWARDING      NONE

[S3]dis stp instance 2 b

 MSTID  Port                        Role  STP State     Protection

   2    Ethernet0/0/1               ALTE  DISCARDING      NONE

   2    Ethernet0/0/2               ROOT  FORWARDING      NONE

   2    Ethernet0/0/4               DESI  FORWARDING      NONE

[S3]

Vrrp和bfd在交换机上的配置

S1

sy

Enter system view, return user view with Ctrl+Z.

[s1]int v 10

[s1-Vlanif10]vrrp vrid  1 virtual-ip  192.168.1.254

[s1-Vlanif10]vrrp vrid  1 priority 110

[s1-Vlanif10]q

[s1]int v 20

[s1-Vlanif20]vrrp vrid  2 virtual-ip  192.168.2.254

[s1-Vlanif20]vrrp vrid  2 priority 90

S2

sy

Enter system view, return user view with Ctrl+Z.

[s2]int v 10

[s2-Vlanif10]vrrp vrid  1 virtual-ip  192.168.1.254

[s2-Vlanif10]vrrp vrid 1 priority 90

[s2-Vlanif10]int v 20

[s2-Vlanif20]vrrp vrid  2 virtual-ip  192.168.2.254

[s2-Vlanif20]vrrp vrid  2 priority 110

[s2-Vlanif20]

S1

sy

Enter system view, return user view with Ctrl+Z.

[s1]bfd lwh bind  peer-ip 192.168.2.1  source-ip 192.168.2.2 auto

[s1-bfd-session-lwh]discriminator local  2

[s1-bfd-session-lwh]discriminator remote  1

[s1-bfd-session-lwh]min-tx-interval 101

[s1-bfd-session-lwh]min-rx-interval 102

[s1-bfd-session-lwh]commit

[s1-bfd-session-lwh]q

[s1]bfd lsl bind  peer-ip 192.168.1.2  source-ip 192.168.1.1 auto

[s1-bfd-session-lsl]discriminator local  3

[s1-bfd-session-lsl]discriminator remote  4

[s1-bfd-session-lsl]min-tx-interval 103

[s1-bfd-session-lsl]min-rx-interval 104

[s1-bfd-session-lsl]commit

S2

sy

Enter system view, return user view with Ctrl+Z.

[s2]bfd

[s2-bfd]q

[s2]bfd lwh bind  peer-ip 192.168.2.2  source-ip 192.168.2.1 auto

[s2-bfd-session-lwh]discriminator local  1

[s2-bfd-session-lwh]discriminator remote  2

[s2-bfd-session-lwh]min-tx-interval 102

[s2-bfd-session-lwh]min-tx-interval 101

[s2-bfd-session-lwh]commit

[s2-bfd-session-lwh]q

[s2]bfd lsl bind  peer-ip 192.168.1.1  source-ip 192.168.1.2 auto

[s2-bfd-session-lsl]discriminator local  4

[s2-bfd-session-lsl]discriminator remote  3

[s2-bfd-session-lsl]min-tx-interval 103

[s2-bfd-session-lsl]min-rx-interval 104

[s2-bfd-session-lsl]commit

[s2-bfd-session-lsl]q

效果

dis bfd session all

--------------------------------------------------------------------------------

Local Remote     PeerIpAddr      State     Type        InterfaceName            

--------------------------------------------------------------------------------

8192  8192       192.168.2.1     Up        S_AUTO_PEER       -                  

3     4          192.168.1.2     Up        S_IP_PEER         -                  

--------------------------------------------------------------------------------

     Total UP/DOWN Session Number : 2/0

策略路由（未做）（s2）

sy

Enter system view, return user view with Ctrl+Z.

第一步

[s1]acl 3000

[s1-acl-adv-3000]rule  5 permit  ip source   192.168.1.0 0.0.0.255

[s1-acl-adv-3000]q

[s1]acl 3001

[s1-acl-adv-3001]rule  5 permit  ip source  192.168.2.0 0.0.0.255

[s1-acl-adv-3001]q

第二步

[s1]traffic classifier todianxin

[s1-classifier-todianxin]if-match  acl  3000

[s1-classifier-todianxin]q

[s1]traffic classifier  toliantong

[s1-classifier-toliantong]if

[s1-classifier-toliantong]if-match  acl 3001

[s1-classifier-toliantong]q

第三步

[s1]traffic behavior todianxin

[s1-behavior-todianxin]redirect ip-nexthop 172.16.3.1

[s1-behavior-todianxin]q

[s1]traffic behavior  toliantong

[s1-behavior-toliantong]redirect  ip-nexthop 172.16.5.1

[s1-behavior-toliantong]q

第四步

[s1]traffic policy 1

[s1-trafficpolicy-1]classifier todianxin behavior  todianxin

[s1-trafficpolicy-1]classifier  toliantong behavior  toliantong

[s1-trafficpolicy-1]q

第五步

[s1]int g0/0/5

[s1-GigabitEthernet0/0/5]traffic-policy 1 inbound

sy

Enter system view, return user view with Ctrl+Z.

第一步

[s1]acl 3000

[s1-acl-adv-3000]rule  5 permit  ip source   192.168.1.0 0.0.0.255

[s1-acl-adv-3000]q

[s1]acl 3001

[s1-acl-adv-3001]rule  5 permit  ip source  192.168.2.0 0.0.0.255

[s1-acl-adv-3001]q

第二步

[s1]traffic classifier todianxin

[s1-classifier-todianxin]if-match  acl  3000

[s1-classifier-todianxin]q

[s1]traffic classifier  toliantong

[s1-classifier-toliantong]if

[s1-classifier-toliantong]if-match  acl 3001

[s1-classifier-toliantong]q

第三步

[s1]traffic behavior todianxin

[s1-behavior-todianxin]redirect ip-nexthop 172.16.2.1

[s1-behavior-todianxin]q

[s1]traffic behavior  toliantong

[s1-behavior-toliantong]redirect  ip-nexthop 172.16.4.1

[s1-behavior-toliantong]q

第四步

[s1]traffic policy 1

[s1-trafficpolicy-1]classifier todianxin behavior  todianxin

[s1-trafficpolicy-1]classifier  toliantong behavior  toliantong

[s1-trafficpolicy-1]q

第五步

[s1]int g0/0/5

[s1-GigabitEthernet0/0/5]traffic-policy 1 inbound

Ospf配置

S1

[s1]ospf

[s1-ospf-1]dis th

#

ospf 1

 area 0.0.0.0

  network 192.168.1.0 0.0.0.255

  network 192.168.2.0 0.0.0.255

  network 172.16.2.0 0.0.0.255

  network 172.16.4.0 0.0.0.255

#

Return

S2

[s2-ospf-1]dis th

#

ospf 1

 area 0.0.0.0

  network 172.16.3.0 0.0.0.255

  network 172.16.5.0 0.0.0.255

  network 172.16.1.0 0.0.0.255

#

return

[s2-ospf-1]

R1

[dianxin]ospf

[dianxin-ospf-1]dis th

[V200R003C00]

#

ospf 1

 area 0.0.0.0

  network 172.16.2.0 0.0.0.255

  network 172.16.3.0 0.0.0.255

#

R2

[V200R003C00]

#

ospf 1

 area 0.0.0.0

  network 172.16.4.0 0.0.0.255

  network 172.16.5.0 0.0.0.255

#

Return

静态地址配置

S1

ip route-static 0.0.0.0 0.0.0.0 172.16.2.1

ip route-static 0.0.0.0 0.0.0.0 172.16.4.1

S2

ip route-static 0.0.0.0 0.0.0.0 172.16.5.1

ip route-static 0.0.0.0 0.0.0.0 172.16.3.1

R1

#

ip route-static 0.0.0.0 0.0.0.0 1.1.1.2

ip route-static 0.0.0.0 0.0.0.0 31.31.31.32 preference 50

#

ip route-static 0.0.0.0 0.0.0.0 31.31.31.32

ip route-static 0.0.0.0 0.0.0.0 1.1.1.2 preference 50