千家信息网

华为DHCP中继服务

发表于:2024-10-08 作者:千家信息网编辑
千家信息网最后更新 2024年10月08日,DHCP中继服务dhcp中继:给不同网段主机分配IP;dhcp服务:给同一网段主机分配IP.ensp拓扑图如下:SW1sys[Huawei]sysname SW1[SW1]vlan bat 10 20
千家信息网最后更新 2024年10月08日华为DHCP中继服务

DHCP中继服务

dhcp中继:给不同网段主机分配IP;
dhcp服务:给同一网段主机分配IP.

ensp拓扑图如下:

SW1

sys[Huawei]sysname SW1[SW1]vlan bat 10 20Info: 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 vlanThe 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

R1

[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 SuppressedThe number of interface that is UP in Physical is 6The number of interface that is DOWN in Physical is 7The number of interface that is UP in Protocol is 5The number of interface that is DOWN in Protocol is 8Interface                         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

R2

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 SuppressedThe number of interface that is UP in Physical is 3The number of interface that is DOWN in Physical is 8The number of interface that is UP in Protocol is 3The number of interface that is DOWN in Protocol is 8Interface                         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)

R4

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 SuppressedThe number of interface that is UP in Physical is 2The number of interface that is DOWN in Physical is 9The number of interface that is UP in Protocol is 2The number of interface that is DOWN in Protocol is 9Interface                         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机获取IP地址

PC1:PC>ipconfig /releaseIP ConfigurationLink local IPv6 address...........: fe80::5689:98ff:fea1:3b9eIPv6 address......................: :: / 128IPv6 gateway......................: ::IPv4 address......................: 0.0.0.0Subnet mask.......................: 0.0.0.0Gateway...........................: 0.0.0.0Physical address..................: 54-89-98-A1-3B-9EDNS server........................:PC>ipconfig /renewIP ConfigurationLink local IPv6 address...........: fe80::5689:98ff:fea1:3b9eIPv6 address......................: :: / 128IPv6 gateway......................: ::IPv4 address......................: 192.168.10.254Subnet mask.......................: 255.255.255.0Gateway...........................: 192.168.10.1Physical address..................: 54-89-98-A1-3B-9EDNS server........................: 8.8.8.8                                    2.2.2.2PC2:PC>ipconfig /releaseIP ConfigurationLink local IPv6 address...........: fe80::5689:98ff:feb4:ce3IPv6 address......................: :: / 128IPv6 gateway......................: ::IPv4 address......................: 0.0.0.0Subnet mask.......................: 0.0.0.0Gateway...........................: 0.0.0.0Physical address..................: 54-89-98-B4-0C-E3DNS server........................:PC>ipconfig /renewIP ConfigurationLink local IPv6 address...........: fe80::5689:98ff:feb4:ce3IPv6 address......................: :: / 128IPv6 gateway......................: ::IPv4 address......................: 192.168.20.254Subnet mask.......................: 255.255.255.0Gateway...........................: 192.168.20.1Physical address..................: 54-89-98-B4-0C-E3DNS server........................: 8.8.8.8                                    2.2.2.2PC3:PC>ipconfig /releaseIP ConfigurationLink local IPv6 address...........: fe80::5689:98ff:feff:10f2IPv6 address......................: :: / 128IPv6 gateway......................: ::IPv4 address......................: 0.0.0.0Subnet mask.......................: 0.0.0.0Gateway...........................: 0.0.0.0Physical address..................: 54-89-98-FF-10-F2DNS server........................:PC>ipconfig /renewIP ConfigurationLink local IPv6 address...........: fe80::5689:98ff:feff:10f2IPv6 address......................: :: / 128IPv6 gateway......................: ::IPv4 address......................: 192.168.10.253Subnet mask.......................: 255.255.255.0Gateway...........................: 192.168.10.1Physical address..................: 54-89-98-FF-10-F2DNS server........................: 8.8.8.8                                    2.2.2.2PC4:PC>ipconfig /releaseIP ConfigurationLink local IPv6 address...........: fe80::5689:98ff:fea9:2cf2IPv6 address......................: :: / 128IPv6 gateway......................: ::IPv4 address......................: 0.0.0.0Subnet mask.......................: 0.0.0.0Gateway...........................: 0.0.0.0Physical address..................: 54-89-98-A9-2C-F2DNS server........................:PC>ipconfig /renewIP ConfigurationLink local IPv6 address...........: fe80::5689:98ff:fea9:2cf2IPv6 address......................: :: / 128IPv6 gateway......................: ::IPv4 address......................: 192.168.20.253Subnet mask.......................: 255.255.255.0Gateway...........................: 192.168.20.1Physical address..................: 54-89-98-A9-2C-F2DNS server........................: 8.8.8.8                                    2.2.2.2PC5:PC>ipconfig /releaseIP ConfigurationLink local IPv6 address...........: fe80::5689:98ff:feed:3b15IPv6 address......................: :: / 128IPv6 gateway......................: ::IPv4 address......................: 0.0.0.0Subnet mask.......................: 0.0.0.0Gateway...........................: 0.0.0.0Physical address..................: 54-89-98-ED-3B-15DNS server........................:PC>ipconfig /renewIP ConfigurationLink local IPv6 address...........: fe80::5689:98ff:feed:3b15IPv6 address......................: :: / 128IPv6 gateway......................: ::IPv4 address......................: 15.0.0.254Subnet mask.......................: 255.255.255.0Gateway...........................: 15.0.0.1Physical address..................: 54-89-98-ED-3B-15DNS server........................: 2.2.2.2                                    8.8.8.8

多台主机能实现全网互通!!

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