55-交换机MSTP+VRRP

优缺点：
存在切换时间
链路实现了分流，实现了负载，但是无法精确

[SW1-Eth-Trunk12]mode ?
  lacp-static  Static working mode
  manual       Manual working mode  # 手工负载分担（默认）

中继要配置在终端网关所在设备的接口上，有几个物理口就要配几个中继,如果是逻辑口，就在逻辑口上配置

[DHCP server]dhcp enable
[DHCP server]ip pool vlan-10
 gateway-list 192.168.10.254 
 network 192.168.10.0 mask 255.255.255.0 
 excluded-ip-address 192.168.10.252 192.168.10.253 
 dns-list 8.8.8.8
[DHCP server]ip pool vlan-20
 gateway-list 192.168.20.254 
 network 192.168.20.0 mask 255.255.255.0 
 excluded-ip-address 192.168.20.252 192.168.20.253 
 dns-list 9.9.9.9
[DHCP server]int g 0/0/0
dhcp select global
ip add 192.168.30.1 24
[DHCP server]ip route-static 0.0.0.0 0 192.168.30.254
[SW1]dhcp enable
[SW1]interface Eth-Trunk 12
	mode manual load-balance
	load-balance src mac
	trunkport GigabitEthernet 0/0/1 to 0/0/2
	p l t
	p t a v a
[SW1]vlan batch 10 20 30
[SW1]port-group group-member g 0/0/3 g0/0/4
	p l t
    p t a v a

[SW1]stp region-configuration
 region-name huawei
 revision-level 12
 instance 10 vlan 10
 instance 20 vlan 20
 active region-configuration
[SW1]stp instance 10 root primary
stp instance 20 root secondary
[SW1]interface Vlanif10
 ip address 192.168.10.253 255.255.255.0
 vrrp vrid 1 virtual-ip 192.168.10.254
 vrrp vrid 1 priority 110
 vrrp vrid 1 preempt-mode timer delay 60
 vrrp vrid 1 authentication-mode md5 zE#k7LH.(7^QW:LZJi;=q$a#
 dhcp select relay
 dhcp relay server-ip 192.168.30.1
[SW1]interface Vlanif20
 ip address 192.168.20.252 255.255.255.0
 vrrp vrid 2 virtual-ip 192.168.20.254
 vrrp vrid 2 authentication-mode md5 zx'X&KkJA)$+cx#k/mS=-(=#
 dhcp select relay
 dhcp relay server-ip 192.168.30.1
[SW1]interface Vlanif30
 ip address 192.168.30.253 255.255.255.0
 vrrp vrid 3 virtual-ip 192.168.30.254
 vrrp vrid 3 priority 110
vrrp vrid 3 preempt-mode timer delay 60

[SW2]dhcp enable
[SW2]interface Eth-Trunk 12
	mode manual load-balance
	load-balance src-mac
	trunkport GigabitEthernet 0/0/1 to 0/0/2
	p l t
	p t a v a
[SW2]vlan batch 10 20 30
[SW2]port-group group-member g 0/0/3 g0/0/4
	p l t
    p t a v a
[SW2]stp region-configuration
 region-name huawei
 revision-level 12
 instance 10 vlan 10
 instance 20 vlan 20
 active region-configuration
[SW2]stp instance 20 root primary
stp instance 10 root secondary
[SW2]interface Vlanif10
 ip address 192.168.10.252 255.255.255.0
 vrrp vrid 1 virtual-ip 192.168.10.254
 vrrp vrid 1 authentication-mode md5 zE#k7LH.(7^QW:LZJi;=q$a#
 dhcp select relay
 dhcp relay server-ip 192.168.30.1
[SW2]interface Vlanif20
 ip address 192.168.20.253 255.255.255.0
 vrrp vrid 2 virtual-ip 192.168.20.254
 vrrp vrid 2 priority 110
 vrrp vrid 2 preempt-mode timer delay 60
 vrrp vrid 2 authentication-mode md5 zx'X&KkJA)$+cx#k/mS=-(=#
 dhcp select relay
 dhcp relay server-ip 192.168.30.1
[SW2]interface Vlanif30
 ip address 192.168.30.252 255.255.255.0
 vrrp vrid 3 virtual-ip 192.168.30.254

[SW3]port-group group-member g0/0/3 g0/0/4
	p l t 
	p t a v a
[SW3]int g0/0/1
	p l a
	p d v 10
[SW3]stp region-configuration
 region-name huawei
 revision-level 12
 instance 10 vlan 10
 instance 20 vlan 20
 active region-configuration

[SW4]port-group group-member g0/0/3 g0/0/4
	p l t 
	p t a v a
[SW4]int g0/0/1
	p l a
	p d v 20
[SW4]int g0/0/2
	p l a
	p d v 30
[SW4]stp region-configuration
 region-name huawei
 revision-level 12
 instance 10 vlan 10
 instance 20 vlan 20
 active region-configuration