1 # dhclient 2 3 4 ## Command Function 5 6 This command is used to set and query **dhclient** parameters. 7 8 9 ## Syntax 10 11 - dhclient <*netif name*> 12 13 - dhclient -x <*netif name*> 14 15 16 ## Parameters 17 18 **Table 1** Parameter description 19 20 | Parameter | Description | Value Range | 21 | ------------------------------- | -------------------------------------------- | ---------------- | 22 | -h \| --help | Displays parameters supported by the **dhclient** command and their usage.| N/A | 23 | <netif name> | Enables Dynamic Host Configuration Protocol (DHCP) for a network interface card (NIC). | NIC name, **eth0**| 24 | -x <netif name> | Disables DHCP for a NIC. | NIC name, **eth0**| 25 26 27 ## Usage Guidelines 28 29 Run the following commands: 30 31 - dhclient eth0 32 33 - dhclient -x eth0 34 35 ## Note 36 37 Currently, the shell does not support this command. 38 39 ## Example 40 41 Example 1: Enable DHCP for eth0. 42 43 44 ``` 45 OHOS:/$ dhclient eth0 46 OHOS:/$ ifconfig 47 lo ip:127.0.0.1 netmask:255.0.0.0 gateway:127.0.0.1 48 ip6: ::1/64 49 HWaddr 00 MTU:0 Running Link UP 50 eth0 ip:192.168.1.10 netmask:255.255.255.0 gateway:192.168.1.1 51 HWaddr 42:da:81:bc:58:94 MTU:1500 Running Default Link UP 52 OHOS:/$ 53 ``` 54 55 56 Example 2: Disable DHCP for eth0. 57 58 59 ``` 60 OHOS:/$ dhclient -x eth0 61 NetifStatusCallback(eth0): nsc event: 0xf0 62 OHOS:/$ ifconfig 63 lo ip:127.0.0.1 netmask:255.0.0.0 gateway:127.0.0.1 64 ip6: ::1/64 65 HWaddr 00 MTU:0 Running Link UP 66 eth0 ip:0.0.0.0 netmask:0.0.0.0 gateway:0.0.0.0 67 HWaddr 42:da:81:bc:58:94 MTU:1500 Running Default Link UP 68 ``` 69