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企业用户访问外网的流量#xff0c;可能会同时包含二层流量和三层流量#xff08;例如#xff0c;企业内二层VPN用户和三层VPN用户访问MPLS公网#xff09;。企业用户希望接入网络既能包含多条接入链路#xff08;不同链路之间互为备份#xff09;以保障接入的…功能简介
企业用户访问外网的流量可能会同时包含二层流量和三层流量例如企业内二层VPN用户和三层VPN用户访问MPLS公网。企业用户希望接入网络既能包含多条接入链路不同链路之间互为备份以保障接入的可靠性又能实现二层流量和三层流量的负载分担以实现对网络资源的充分利用。
这种情况可以通过VRRP与MSTP配合部署解决。其中针对三层流量在网关部署VRRP针对二层流量采用冗余链路并部署MSTP。这样即可以提高二、三层接入的可靠性又可以通过VRRP协议中Master设备与Backup设备的选择、MSTP协议中根桥与备份根桥的选择实现二、三层流量的负载分担。
配置方法 核心交换机1配置
//建立VLAN
HUAWEIsystem-view immediately //CE系列设备需要增加immediately进入实时生效模式
[HUAWEI]vlan batch 10 20 30 40 50 100
[HUAWEI]//进入SVI接口配置地址
[HUAWEI]interface Vlanif 10
[HUAWEI-Vlanif10]ip address 192.168.10.252 24
[HUAWEI-Vlanif10]quit
[HUAWEI]interface Vlanif 20
[HUAWEI-Vlanif20]ip address 192.168.20.252 24
[HUAWEI-Vlanif20]quit
[HUAWEI]interface Vlanif 30
[HUAWEI-Vlanif30]ip address 192.168.30.252 24
[HUAWEI-Vlanif30]quit
[HUAWEI]interface Vlanif 40
[HUAWEI-Vlanif40]ip address 192.168.40.252 24
[HUAWEI-Vlanif40]quit
[HUAWEI]interface Vlanif 50
[HUAWEI-Vlanif50]ip address 192.168.50.252 24
[HUAWEI-Vlanif50]quit
[HUAWEI]interface Vlanif 100
[HUAWEI-Vlanif100]ip address 192.168.100.252 24
[HUAWEI-Vlanif100]quit
[HUAWEI]//与其他交换机互联端口设置
[HUAWEI]interface Eth-Trunk 1
[HUAWEI-Eth-Trunk1]mode lacp-static
[HUAWEI-Eth-Trunk1]trunkport GE 1/0/1 to 1/0/2
[HUAWEI-Eth-Trunk1]port link-type trunk
[HUAWEI-Eth-Trunk1]port trunk allow-pass vlan 10 20 30 40 50 100
[HUAWEI-Eth-Trunk1]quit
[HUAWEI]interface Eth-Trunk 2
[HUAWEI-Eth-Trunk2]mode lacp-static
[HUAWEI-Eth-Trunk2]trunkport GE 1/0/3 to 1/0/4
[HUAWEI-Eth-Trunk2]port link-type trunk
[HUAWEI-Eth-Trunk2]port trunk allow-pass vlan 10 20 30 40 50 100
[HUAWEI-Eth-Trunk2]quit
[HUAWEI]//配置MSTP
[HUAWEI]stp mode mstp
[HUAWEI]stp region-configuration
[HUAWEI-mst-region]instance 1 vlan 10 20 30
[HUAWEI-mst-region]instance 2 vlan 40 50 100
[HUAWEI-mst-region]revision-level 1
[HUAWEI-mst-region]region-name test
[HUAWEI-mst-region]active region-configuration //部分型号没有此命令
[HUAWEI-mst-region]quit
[HUAWEI]//配置MSTP优先级方法1
[HUAWEI]stp instance 1 priority 4096
[HUAWEI]stp instance 2 priority 8192
[HUAWEI]//配置MSTP优先级方法2
[HUAWEI]stp instance 1 root primary
[HUAWEI]stp instance 2 root secondary
[HUAWEI]//启动生成树协议
[HUAWEI]stp enable
Warning: The global STP state will be changed. Continue? [Y/N]:Y
[HUAWEI]//配置VRRP
[HUAWEI]interface Vlanif 10
[HUAWEI-Vlanif10]vrrp vrid 10 virtual-ip 192.168.10.254
[HUAWEI-Vlanif10]vrrp vrid 10 priority 150
[HUAWEI-Vlanif10]quit
[HUAWEI]interface Vlanif 20
[HUAWEI-Vlanif20]vrrp vrid 20 virtual-ip 192.168.20.254
[HUAWEI-Vlanif20]vrrp vrid 20 priority 150
[HUAWEI-Vlanif20]quit
[HUAWEI]interface Vlanif 30
[HUAWEI-Vlanif30]vrrp vrid 30 virtual-ip 192.168.30.254
[HUAWEI-Vlanif30]vrrp vrid 30 priority 150
[HUAWEI-Vlanif30]quit
[HUAWEI]interface Vlanif 40
[HUAWEI-Vlanif40]vrrp vrid 40 virtual-ip 192.168.40.254
[HUAWEI-Vlanif40]vrrp vrid 40 priority 120
[HUAWEI-Vlanif40]quit
[HUAWEI]interface Vlanif 50
[HUAWEI-Vlanif50]vrrp vrid 50 virtual-ip 192.168.50.254
[HUAWEI-Vlanif50]vrrp vrid 50 priority 120
[HUAWEI-Vlanif50]quit
[HUAWEI]interface Vlanif 100
[HUAWEI-Vlanif100]vrrp vrid 100 virtual-ip 192.168.100.254
[HUAWEI-Vlanif100]vrrp vrid 100 priority 120
[HUAWEI-Vlanif100]return
HUAWEIsave
Warning: The current configuration will be written to the device. Continue? [Y/N]:Y
HUAWEI核心交换机1配置完成 核心交换机2配置
//建立VLAN
HUAWEIsystem-view immediately //CE系列设备需要增加immediately进入实时生效模式
[HUAWEI]vlan batch 10 20 30 40 50 100
[HUAWEI]//进入SVI接口配置地址
[HUAWEI]interface Vlanif 10
[HUAWEI-Vlanif10]ip address 192.168.10.253 24
[HUAWEI-Vlanif10]quit
[HUAWEI]interface Vlanif 20
[HUAWEI-Vlanif20]ip address 192.168.20.253 24
[HUAWEI-Vlanif20]quit
[HUAWEI]interface Vlanif 30
[HUAWEI-Vlanif30]ip address 192.168.30.253 24
[HUAWEI-Vlanif30]quit
[HUAWEI]interface Vlanif 40
[HUAWEI-Vlanif40]ip address 192.168.40.253 24
[HUAWEI-Vlanif40]quit
[HUAWEI]interface Vlanif 50
[HUAWEI-Vlanif50]ip address 192.168.50.253 24
[HUAWEI-Vlanif50]quit
[HUAWEI]interface Vlanif 100
[HUAWEI-Vlanif100]ip address 192.168.100.253 24
[HUAWEI-Vlanif100]quit
[HUAWEI]//与其他交换机互联端口设为Trunk
[HUAWEI]interface Eth-Trunk 1
[HUAWEI-Eth-Trunk1]mode lacp-static
[HUAWEI-Eth-Trunk1]trunkport GE 1/0/1 to 1/0/2
[HUAWEI-Eth-Trunk1]port link-type trunk
[HUAWEI-Eth-Trunk1]port trunk allow-pass vlan 10 20 30 40 50 100
[HUAWEI-Eth-Trunk1]quit
[HUAWEI]interface Eth-Trunk 2
[HUAWEI-Eth-Trunk2]mode lacp-static
[HUAWEI-Eth-Trunk2]trunkport GE 1/0/3 to 1/0/4
[HUAWEI-Eth-Trunk2]port link-type trunk
[HUAWEI-Eth-Trunk2]port trunk allow-pass vlan 10 20 30 40 50 100
[HUAWEI-Eth-Trunk2]quit
[HUAWEI]//配置MSTP
[HUAWEI]stp mode mstp
[HUAWEI]stp region-configuration
[HUAWEI-mst-region]instance 1 vlan 10 20 30
[HUAWEI-mst-region]instance 2 vlan 40 50 100
[HUAWEI-mst-region]revision-level 1
[HUAWEI-mst-region]region-name test
[HUAWEI-mst-region]active region-configuration //部分型号没有此命令
[HUAWEI-mst-region]quit
[HUAWEI]//配置MSTP优先级方法1
[HUAWEI]stp instance 1 priority 8192
[HUAWEI]stp instance 2 priority 4096
[HUAWEI]//配置MSTP优先级方法2
[HUAWEI]stp instance 1 root secondary
[HUAWEI]stp instance 2 root primary
[HUAWEI]//启动生成树协议
[HUAWEI]stp enable
Warning: The global STP state will be changed. Continue? [Y/N]:Y
[HUAWEI]//配置VRRP
[HUAWEI]interface Vlanif 10
[HUAWEI-Vlanif10]vrrp vrid 10 virtual-ip 192.168.10.254
[HUAWEI-Vlanif10]vrrp vrid 10 priority 120
[HUAWEI-Vlanif10]quit
[HUAWEI]interface Vlanif 20
[HUAWEI-Vlanif20]vrrp vrid 20 virtual-ip 192.168.20.254
[HUAWEI-Vlanif20]vrrp vrid 20 priority 120
[HUAWEI-Vlanif20]quit
[HUAWEI]interface Vlanif 30
[HUAWEI-Vlanif30]vrrp vrid 30 virtual-ip 192.168.30.254
[HUAWEI-Vlanif30]vrrp vrid 30 priority 120
[HUAWEI-Vlanif30]quit
[HUAWEI]interface Vlanif 40
[HUAWEI-Vlanif40]vrrp vrid 40 virtual-ip 192.168.40.254
[HUAWEI-Vlanif40]vrrp vrid 40 priority 150
[HUAWEI-Vlanif40]quit
[HUAWEI]interface Vlanif 50
[HUAWEI-Vlanif50]vrrp vrid 50 virtual-ip 192.168.50.254
[HUAWEI-Vlanif50]vrrp vrid 50 priority 150
[HUAWEI-Vlanif50]quit
[HUAWEI]interface Vlanif 100
[HUAWEI-Vlanif100]vrrp vrid 100 virtual-ip 192.168.100.254
[HUAWEI-Vlanif100]vrrp vrid 100 priority 150
[HUAWEI-Vlanif100]return
HUAWEIsave
Warning: The current configuration will be written to the device. Continue? [Y/N]:Y
HUAWEI核心交换机2配置完成
接入交换机配置//建立VLAN
HUAWEIsystem-view immediately //CE系列设备需要增加immediately进入实时生效模式
[HUAWEI]vlan batch 10 20 30 40 50 100
[HUAWEI]//将VLAN划分到接口
[HUAWEI]interface range GE 1/0/1 to GE 1/0/4
[HUAWEI-port-group]port link-type access
[HUAWEI-port-group]port default vlan 10
[HUAWEI-port-group]quit
[HUAWEI]interface range GE 1/0/5 to GE 1/0/8
[HUAWEI-port-group]port link-type access
[HUAWEI-port-group]port default vlan 20
[HUAWEI-port-group]quit
[HUAWEI]interface range GE 1/0/9 to GE 1/0/12
[HUAWEI-port-group]port link-type access
[HUAWEI-port-group]port default vlan 30
[HUAWEI-port-group]quit
[HUAWEI]interface range GE 1/0/13 to GE 1/0/16
[HUAWEI-port-group]port link-type access
[HUAWEI-port-group]port default vlan 40
[HUAWEI-port-group]quit
[HUAWEI]interface range GE 1/0/17 to GE 1/0/20
[HUAWEI-port-group]port link-type access
[HUAWEI-port-group]port default vlan 50
[HUAWEI-port-group]quit//与其他交换机互联接口设为Trunk
[HUAWEI]interface Eth-Trunk 1
[HUAWEI-Eth-Trunk1]mode lacp-static
[HUAWEI-Eth-Trunk1]trunkport GE 1/0/21 to 1/0/22
[HUAWEI-Eth-Trunk1]port link-type trunk
[HUAWEI-Eth-Trunk1]port trunk allow-pass vlan 10 20 30 40 50 100
[HUAWEI-Eth-Trunk1]quit
[HUAWEI]interface Eth-Trunk 2
[HUAWEI-Eth-Trunk2]mode lacp-static
[HUAWEI-Eth-Trunk2]trunkport GE 1/0/23 to 1/0/24
[HUAWEI-Eth-Trunk2]port link-type trunk
[HUAWEI-Eth-Trunk2]port trunk allow-pass vlan 10 20 30 40 50 100
[HUAWEI-Eth-Trunk2]quit//配置MSTP
[HUAWEI]stp mode mstp
[HUAWEI]stp region-configuration
[HUAWEI-mst-region]instance 1 vlan 10 20 30
[HUAWEI-mst-region]instance 2 vlan 40 50 100
[HUAWEI-mst-region]revision-level 1
[HUAWEI-mst-region]region-name test
[HUAWEI-mst-region]active region-configuration //部分型号没有此命令
[HUAWEI-mst-region]quit
[HUAWEI]//启动生成树协议
[HUAWEI]stp enable
Warning: The global STP state will be changed. Continue? [Y/N]:Y
[HUAWEI]//接入终端接口配置为边缘端口:
[HUAWEI]interface range GE 1/0/1 to GE 1/0/20 //部分型号无法使用range参数进入多个接口
[HUAWEI-port-group]stp edged-port enable
[HUAWEI-port-group]quit
[HUAWEI]接入交换机配置完成
