dhcp中繼:給不一樣網段主機分配IP;
dhcp服務:給同一網段主機分配IP.app
ensp拓撲圖以下:ide
SW1oop
<Huawei>sys [Huawei]sysname SW1 [SW1]vlan bat 10 20 Info: This operation may take a few seconds. Please wait for a moment...done. [SW1]int e0/0/1 [SW1-Ethernet0/0/1]port link-type access [SW1-Ethernet0/0/1]port default vlan 10 [SW1-Ethernet0/0/1]un sh [SW1-Ethernet0/0/1]int e0/0/2 [SW1-Ethernet0/0/2]port link-type access [SW1-Ethernet0/0/2]port default vlan 20 [SW1-Ethernet0/0/2]un sh [SW1-Ethernet0/0/2]int e0/0/3 [SW1-Ethernet0/0/3]port link-type access [SW1-Ethernet0/0/3]port default vlan 10 [SW1-Ethernet0/0/3]un sh [SW1-Ethernet0/0/3]int e0/0/4 [SW1-Ethernet0/0/4]port link-type access [SW1-Ethernet0/0/4]port default vlan 20 [SW1-Ethernet0/0/4]un sh [SW1-Ethernet0/0/4]dis vlan The total number of vlans is : 3 -------------------------------------------------------------------------------- U: Up; D: Down; TG: Tagged; UT: Untagged; MP: Vlan-mapping; ST: Vlan-stacking; #: ProtocolTransparent-vlan; *: Management-vlan; -------------------------------------------------------------------------------- VID Type Ports -------------------------------------------------------------------------------- 1 common UT:Eth0/0/5(D) Eth0/0/6(D) Eth0/0/7(D) Eth0/0/8(D) Eth0/0/9(D) Eth0/0/10(D) Eth0/0/11(D) Eth0/0/12(D) Eth0/0/13(D) Eth0/0/14(D) Eth0/0/15(D) Eth0/0/16(D) Eth0/0/17(D) Eth0/0/18(D) Eth0/0/19(D) Eth0/0/20(D) Eth0/0/21(D) Eth0/0/22(D) GE0/0/1(U) GE0/0/2(D) 10 common UT:Eth0/0/1(U) Eth0/0/3(U) 20 common UT:Eth0/0/2(U) Eth0/0/4(U) VID Status Property MAC-LRN Statistics Description -------------------------------------------------------------------------------- 1 enable default enable disable VLAN 0001 10 enable default enable disable VLAN 0010 20 enable default enable disable VLAN 0020 [SW1-Ethernet0/0/4]int g0/0/1 [SW1-GigabitEthernet0/0/1] port link-type trunk [SW1-GigabitEthernet0/0/1]port trunk allow-pass vlan all [SW1-GigabitEthernet0/0/1]un sh
R1this
[R1]int g0/0/1.10 [R1-GigabitEthernet0/0/1.10]dot1q termination vid 10 [R1-GigabitEthernet0/0/1.10]ip add 192.168.10.1 24 [R1-GigabitEthernet0/0/1.10]arp broadcast enable [R1-GigabitEthernet0/0/1.10]dhcp select relay [R1-GigabitEthernet0/0/1.10]dhcp relay server-ip 14.0.0.2 [R1-GigabitEthernet0/0/1.10]int g0/0/1.20 [R1-GigabitEthernet0/0/1.20]dot1q termination vid 20 [R1-GigabitEthernet0/0/1.20]ip add 192.168.20.1 24 [R1-GigabitEthernet0/0/1.20]arp broadcast enable [R1-GigabitEthernet0/0/1.20]dhcp select relay [R1-GigabitEthernet0/0/1.20]dhcp relay server-ip 14.0.0.2 [R1-GigabitEthernet0/0/1.20]q [R1]int g0/0/2 [R1-GigabitEthernet0/0/2]ip add 14.0.0.1 24 [R1-GigabitEthernet0/0/2]un sh [R1-GigabitEthernet0/0/2]int g0/0/0 [R1-GigabitEthernet0/0/0]ip add 12.0.0.1 24 [R1-GigabitEthernet0/0/0]un sh [R1-GigabitEthernet0/0/0]dis ip int b *down: administratively down !down: FIB overload down ^down: standby (l): loopback (s): spoofing (d): Dampening Suppressed The number of interface that is UP in Physical is 6 The number of interface that is DOWN in Physical is 7 The number of interface that is UP in Protocol is 5 The number of interface that is DOWN in Protocol is 8 Interface IP Address/Mask Physical Protocol Ethernet0/0/0 unassigned down down Ethernet0/0/1 unassigned down down GigabitEthernet0/0/0 12.0.0.1/24 up up GigabitEthernet0/0/1 unassigned up down GigabitEthernet0/0/1.10 192.168.10.1/24 up up GigabitEthernet0/0/1.20 192.168.20.1/24 up up GigabitEthernet0/0/2 14.0.0.1/24 up up GigabitEthernet0/0/3 unassigned down down NULL0 unassigned up up(s) [R1]ip route-static 15.0.0.0 24 12.0.0.2
R2spa
<Huawei>sys [Huawei]sysname R2 [R2]int g0/0/0 [R2-GigabitEthernet0/0/0]ip add 12.0.0.2 24 [R2-GigabitEthernet0/0/0]un sh [R2-GigabitEthernet0/0/0]q [R2]dhcp enable [R2]int g0/0/1 [R2-GigabitEthernet0/0/1]ip add 15.0.0.1 24 [R2-GigabitEthernet0/0/1]dhcp select relay [R2-GigabitEthernet0/0/1]dhcp relay server-ip 14.0.0.2 [R2-GigabitEthernet0/0/1]un sh [R2-GigabitEthernet0/0/1]q [R2]ip route-static 0.0.0.0 0.0.0.0 12.0.0.1 [R2]dis ip int b *down: administratively down !down: FIB overload down ^down: standby (l): loopback (s): spoofing (d): Dampening Suppressed The number of interface that is UP in Physical is 3 The number of interface that is DOWN in Physical is 8 The number of interface that is UP in Protocol is 3 The number of interface that is DOWN in Protocol is 8 Interface IP Address/Mask Physical Protocol Ethernet0/0/0 unassigned down down Ethernet0/0/1 unassigned down down GigabitEthernet0/0/0 12.0.0.2/24 up up GigabitEthernet0/0/1 15.0.0.1/24 up up GigabitEthernet0/0/2 unassigned down down GigabitEthernet0/0/3 unassigned down down NULL0 unassigned up up(s)
R4code
<Huawei>sys [Huawei]sysname R4 [R4]int g0/0/0 [R4-GigabitEthernet0/0/0]ip add 14.0.0.2 24 [R4-GigabitEthernet0/0/0]q [R4]dhcp enable [R4]int g0/0/0 [R4-GigabitEthernet0/0/0]dhcp select global [R4-GigabitEthernet0/0/0]un sh [R4-GigabitEthernet0/0/0]dis this # interface GigabitEthernet0/0/0 ip address 14.0.0.2 255.255.255.0 dhcp select global # return [R4-GigabitEthernet0/0/0]dis ip int b *down: administratively down !down: FIB overload down ^down: standby (l): loopback (s): spoofing (d): Dampening Suppressed The number of interface that is UP in Physical is 2 The number of interface that is DOWN in Physical is 9 The number of interface that is UP in Protocol is 2 The number of interface that is DOWN in Protocol is 9 Interface IP Address/Mask Physical Protocol Ethernet0/0/0 unassigned down down Ethernet0/0/1 unassigned down down GigabitEthernet0/0/0 14.0.0.2/24 up up GigabitEthernet0/0/1 unassigned down down GigabitEthernet0/0/2 unassigned down down GigabitEthernet0/0/3 unassigned down down NULL0 unassigned up up(s) [R4-GigabitEthernet0/0/0]q [R4]ip pool DHCPV10 [R4-ip-pool-DHCPV10]network 192.168.10.0 mask 24 [R4-ip-pool-DHCPV10]gateway-list 192.168.10.1 [R4-ip-pool-DHCPV10]dns-list 8.8.8.8 2.2.2.2 [R4-ip-pool-DHCPV10]q [R4]ip pool DHCPV20 [R4-ip-pool-DHCPV20]network 192.168.20.0 mask 24 [R4-ip-pool-DHCPV20]gateway-list 192.168.20.1 [R4-ip-pool-DHCPV20]dns-list 8.8.8.8 2.2.2.2 [R4-ip-pool-DHCPV20]q [R4]ip route-static 0.0.0.0 0.0.0.0 14.0.0.1
PC機獲取IP地址server
PC1: PC>ipconfig /release IP Configuration Link local IPv6 address...........: fe80::5689:98ff:fea1:3b9e IPv6 address......................: :: / 128 IPv6 gateway......................: :: IPv4 address......................: 0.0.0.0 Subnet mask.......................: 0.0.0.0 Gateway...........................: 0.0.0.0 Physical address..................: 54-89-98-A1-3B-9E DNS server........................: PC>ipconfig /renew IP Configuration Link local IPv6 address...........: fe80::5689:98ff:fea1:3b9e IPv6 address......................: :: / 128 IPv6 gateway......................: :: IPv4 address......................: 192.168.10.254 Subnet mask.......................: 255.255.255.0 Gateway...........................: 192.168.10.1 Physical address..................: 54-89-98-A1-3B-9E DNS server........................: 8.8.8.8 2.2.2.2 PC2: PC>ipconfig /release IP Configuration Link local IPv6 address...........: fe80::5689:98ff:feb4:ce3 IPv6 address......................: :: / 128 IPv6 gateway......................: :: IPv4 address......................: 0.0.0.0 Subnet mask.......................: 0.0.0.0 Gateway...........................: 0.0.0.0 Physical address..................: 54-89-98-B4-0C-E3 DNS server........................: PC>ipconfig /renew IP Configuration Link local IPv6 address...........: fe80::5689:98ff:feb4:ce3 IPv6 address......................: :: / 128 IPv6 gateway......................: :: IPv4 address......................: 192.168.20.254 Subnet mask.......................: 255.255.255.0 Gateway...........................: 192.168.20.1 Physical address..................: 54-89-98-B4-0C-E3 DNS server........................: 8.8.8.8 2.2.2.2 PC3: PC>ipconfig /release IP Configuration Link local IPv6 address...........: fe80::5689:98ff:feff:10f2 IPv6 address......................: :: / 128 IPv6 gateway......................: :: IPv4 address......................: 0.0.0.0 Subnet mask.......................: 0.0.0.0 Gateway...........................: 0.0.0.0 Physical address..................: 54-89-98-FF-10-F2 DNS server........................: PC>ipconfig /renew IP Configuration Link local IPv6 address...........: fe80::5689:98ff:feff:10f2 IPv6 address......................: :: / 128 IPv6 gateway......................: :: IPv4 address......................: 192.168.10.253 Subnet mask.......................: 255.255.255.0 Gateway...........................: 192.168.10.1 Physical address..................: 54-89-98-FF-10-F2 DNS server........................: 8.8.8.8 2.2.2.2 PC4: PC>ipconfig /release IP Configuration Link local IPv6 address...........: fe80::5689:98ff:fea9:2cf2 IPv6 address......................: :: / 128 IPv6 gateway......................: :: IPv4 address......................: 0.0.0.0 Subnet mask.......................: 0.0.0.0 Gateway...........................: 0.0.0.0 Physical address..................: 54-89-98-A9-2C-F2 DNS server........................: PC>ipconfig /renew IP Configuration Link local IPv6 address...........: fe80::5689:98ff:fea9:2cf2 IPv6 address......................: :: / 128 IPv6 gateway......................: :: IPv4 address......................: 192.168.20.253 Subnet mask.......................: 255.255.255.0 Gateway...........................: 192.168.20.1 Physical address..................: 54-89-98-A9-2C-F2 DNS server........................: 8.8.8.8 2.2.2.2 PC5: PC>ipconfig /release IP Configuration Link local IPv6 address...........: fe80::5689:98ff:feed:3b15 IPv6 address......................: :: / 128 IPv6 gateway......................: :: IPv4 address......................: 0.0.0.0 Subnet mask.......................: 0.0.0.0 Gateway...........................: 0.0.0.0 Physical address..................: 54-89-98-ED-3B-15 DNS server........................: PC>ipconfig /renew IP Configuration Link local IPv6 address...........: fe80::5689:98ff:feed:3b15 IPv6 address......................: :: / 128 IPv6 gateway......................: :: IPv4 address......................: 15.0.0.254 Subnet mask.......................: 255.255.255.0 Gateway...........................: 15.0.0.1 Physical address..................: 54-89-98-ED-3B-15 DNS server........................: 2.2.2.2 8.8.8.8
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