Experimental requirements:
pc1-pc4 requires obtaining the dhcp specified ip from r4
sw1-sw4 uses mstp + vrrp protocol to achieve load sharing
ar1-ar2-s1-s2 uses ospf to implement three-layer communication
ar4 is set as dhcp server
s1-s2 acts as a relay for the dhcp server
SW1 <sw1>display current-configuration # sysname sw1 # undo info-center enable # vlan batch 10 to 11 20 30 33 40 # stp instance 1 root primary stp instance 2 root secondary # dhcp enable # stp region-configuration region-name huawei revision-level 1 instance 1 vlan 10 20 instance 2 vlan 30 40 active region-configuration # interfaceVlanif10 IP address 192.168.10.251 255.255.255.0 vrrp vrid 10 virtual-ip 192.168.10.254 vrrp vrid 10 priority 120 dhcp select relay dhcp relay server-ip 14.1.1.4 # interfaceVlanif11 IP address 11.1.1.2 255.255.255.0 # interfaceVlanif20 IP address 192.168.20.251 255.255.255.0 vrrp vrid 20 virtual-ip 192.168.20.254 vrrp vrid 20 priority 120 dhcp select relay dhcp relay server-ip 14.1.1.4 # interfaceVlanif30 IP address 192.168.30.251 255.255.255.0 vrrp vrid 30 virtual-ip 192.168.30.254 dhcp select relay dhcp relay server-ip 14.1.1.4 # interfaceVlanif33 IP address 33.1.1.4 255.255.255.0 # interfaceVlanif40 IP address 192.168.40.251 255.255.255.0 vrrp vrid 40 virtual-ip 192.168.40.254 dhcp select relay dhcp relay server-ip 14.1.1.4 # interface MEth0/0/1 # interface Eth-Trunk12 port link-type trunk port trunk allow-pass vlan 2 to 4094 mode lacp-static # interface GigabitEthernet0/0/1 port link-type trunk port trunk allow-pass vlan 2 to 4094 # interface GigabitEthernet0/0/2 port link-type trunk port trunk allow-pass vlan 2 to 4094 # interface GigabitEthernet0/0/3 port link-type access port default vlan 11 # interface GigabitEthernet0/0/4 port link-type access port default vlan 33 # interface GigabitEthernet0/0/5 eth-trunk 12 # interface GigabitEthernet0/0/6 eth-trunk 12 # ospf 1 router-id 11.11.11.11 import-route direct area 0.0.0.0 network 11.1.1.2 0.0.0.0 network 33.1.1.4 0.0.0.0 -------------------------------------------------- ---- sw2 # sysname sw2 # undo info-center enable # vlan batch 10 20 22 30 40 44 # stp instance 1 root secondary stp instance 2 root primary # dhcp enable # stp region-configuration region-name huawei revision-level 1 instance 1 vlan 10 20 instance 2 vlan 30 40 active region-configuration # interfaceVlanif10 IP address 192.168.10.252 255.255.255.0 vrrp vrid 10 virtual-ip 192.168.10.254 dhcp select relay dhcp relay server-ip 14.1.1.4 # interfaceVlanif20 IP address 192.168.20.252 255.255.255.0 vrrp vrid 20 virtual-ip 192.168.20.254 dhcp select relay dhcp relay server-ip 14.1.1.4 # interface Vlanif22 IP address 22.1.1.2 255.255.255.0 # interfaceVlanif30 IP address 192.168.30.252 255.255.255.0 vrrp vrid 30 virtual-ip 192.168.30.254 vrrp vrid 30 priority 120 dhcp select relay dhcp relay server-ip 14.1.1.4 # interfaceVlanif40 IP address 192.168.40.252 255.255.255.0 vrrp vrid 40 virtual-ip 192.168.40.254 vrrp vrid 40 priority 120 dhcp select relay dhcp relay server-ip 14.1.1.4 # interface Vlanif44 IP address 44.1.1.2 255.255.255.0 # interface MEth0/0/1 # interface Eth-Trunk12 port link-type trunk port trunk allow-pass vlan 2 to 4094 mode lacp-static # interface GigabitEthernet0/0/1 port link-type trunk port trunk allow-pass vlan 2 to 4094 # interface GigabitEthernet0/0/2 port link-type trunk port trunk allow-pass vlan 2 to 4094 # interface GigabitEthernet0/0/3 port link-type access port default vlan 22 # interface GigabitEthernet0/0/4 eth-trunk 12 # interface GigabitEthernet0/0/5 eth-trunk 12 # interface GigabitEthernet0/0/6 # interface GigabitEthernet0/0/7 port link-type access port default vlan 44 # ospf 1 router-id 22.22.22.22 import-route direct area 0.0.0.0 network 22.1.1.2 0.0.0.0 network 44.1.1.2 0.0.0.0 -------------------------------------------------- ---- SW3 # sysname sw3 # vlan batch 10 20 30 40 # stp region-configuration region-name huawei revision-level 1 instance 1 vlan 10 20 instance 2 vlan 30 40 active region-configuration # interface GigabitEthernet0/0/1 port link-type access port default vlan 10 stp edged-port enable # interface GigabitEthernet0/0/2 # interface GigabitEthernet0/0/3 port link-type access port default vlan 20 stp edged-port enable # interface GigabitEthernet0/0/4 port link-type trunk port trunk allow-pass vlan 2 to 4094 # interface GigabitEthernet0/0/5 port link-type trunk port trunk allow-pass vlan 2 to 4094 -------------------------------------------------- ---- SW4 # sysname sw4 # vlan batch 10 20 30 40 # stp region-configuration region-name huawei revision-level 1 instance 1 vlan 10 20 instance 2 vlan 30 40 active region-configuration # interface GigabitEthernet0/0/1 port link-type access port default vlan 30 stp edged-port enable # interface GigabitEthernet0/0/2 # interface GigabitEthernet0/0/3 port link-type access port default vlan 40 stp edged-port enable # interface GigabitEthernet0/0/4 port link-type trunk port trunk allow-pass vlan 2 to 4094 # interface GigabitEthernet0/0/5 port link-type trunk port trunk allow-pass vlan 2 to 4094 -------------------------------------------------- ---- AR1 # sysname ar1 # interface Ethernet3/0/1 IP address 44.1.1.1 255.255.255.0 # interface GigabitEthernet0/0/0 IP address 11.1.1.1 255.255.255.0 # interface GigabitEthernet0/0/1 IP address 14.1.1.1 255.255.255.0 # interface GigabitEthernet0/0/2 IP address 12.1.1.1 255.255.255.0 # ospf 1 router-id 1.1.1.1 area 0.0.0.0 network 11.1.1.1 0.0.0.0 network 12.1.1.1 0.0.0.0 network 14.1.1.1 0.0.0.0 network 44.1.1.1 0.0.0.0 -------------------------------------------------- ---- AR2 # sysname ar2 # interface GigabitEthernet0/0/0 IP address 33.1.1.3 255.255.255.0 # interface GigabitEthernet0/0/1 IP address 22.1.1.1 255.255.255.0 # interface GigabitEthernet0/0/2 IP address 12.1.1.2 255.255.255.0 # ospf 1 router-id 2.2.2.2 area 0.0.0.0 network 12.1.1.2 0.0.0.0 network 22.1.1.1 0.0.0.0 network 33.1.1.3 0.0.0.0 -------------------------------------------------- ----