1# dhclient<a name="ZH-CN_TOPIC_0000001179845937"></a> 2 3- [命令功能](#section366714216619) 4- [命令格式](#section8833164614615) 5- [参数说明](#section12809111019453) 6- [使用指南](#section15935131220717) 7- [使用实例](#section79281818476) 8- [输出说明](#section12742311179) 9 10## 命令功能<a name="section366714216619"></a> 11 12设置和查看dhclient的参数。 13 14## 命令格式<a name="section8833164614615"></a> 15 16dhclient <_netif name_\> 17 18dhclient -x <_netif name_\> 19 20dhclient -gb <_netif name_\> 21 22dhclient -sv <_vendor_\> 23 24dhclient -gv 25 26dhclient -gd <_index_\> 27 28dhclient -sd <_dns\_ip_\> 29 30## 参数说明<a name="section12809111019453"></a> 31 32**表 1** 参数说明 33 34<a name="table438mcpsimp"></a> 35<table><thead align="left"><tr id="row444mcpsimp"><th class="cellrowborder" valign="top" width="21%" id="mcps1.2.4.1.1"><p id="p446mcpsimp"><a name="p446mcpsimp"></a><a name="p446mcpsimp"></a>参数</p> 36</th> 37<th class="cellrowborder" valign="top" width="52%" id="mcps1.2.4.1.2"><p id="p448mcpsimp"><a name="p448mcpsimp"></a><a name="p448mcpsimp"></a>参数说明</p> 38</th> 39<th class="cellrowborder" valign="top" width="27%" id="mcps1.2.4.1.3"><p id="p450mcpsimp"><a name="p450mcpsimp"></a><a name="p450mcpsimp"></a>取值范围</p> 40</th> 41</tr> 42</thead> 43<tbody><tr id="row451mcpsimp"><td class="cellrowborder" valign="top" width="21%" headers="mcps1.2.4.1.1 "><p id="p2500105121818"><a name="p2500105121818"></a><a name="p2500105121818"></a><netif name></p> 44</td> 45<td class="cellrowborder" valign="top" width="52%" headers="mcps1.2.4.1.2 "><p id="p1149945111817"><a name="p1149945111817"></a><a name="p1149945111817"></a>启动对应网卡的dhcp请求。</p> 46</td> 47<td class="cellrowborder" valign="top" width="27%" headers="mcps1.2.4.1.3 "><p id="p749810571812"><a name="p749810571812"></a><a name="p749810571812"></a>网卡名字，eth0。</p> 48</td> 49</tr> 50<tr id="row1110416513817"><td class="cellrowborder" valign="top" width="21%" headers="mcps1.2.4.1.1 "><p id="p110445143817"><a name="p110445143817"></a><a name="p110445143817"></a>-x <netif name></p> 51</td> 52<td class="cellrowborder" valign="top" width="52%" headers="mcps1.2.4.1.2 "><p id="p1510414514386"><a name="p1510414514386"></a><a name="p1510414514386"></a>关闭对应网卡的dhcp功能。</p> 53</td> 54<td class="cellrowborder" valign="top" width="27%" headers="mcps1.2.4.1.3 "><p id="p1410445183811"><a name="p1410445183811"></a><a name="p1410445183811"></a>网卡名字，eth0。</p> 55</td> 56</tr> 57<tr id="row8809123074012"><td class="cellrowborder" valign="top" width="21%" headers="mcps1.2.4.1.1 "><p id="p180913307408"><a name="p180913307408"></a><a name="p180913307408"></a>-gb <netif name></p> 58</td> 59<td class="cellrowborder" valign="top" width="52%" headers="mcps1.2.4.1.2 "><p id="p280913309400"><a name="p280913309400"></a><a name="p280913309400"></a>查看对应网卡的dhcp请求是否完成。</p> 60</td> 61<td class="cellrowborder" valign="top" width="27%" headers="mcps1.2.4.1.3 "><p id="p43801815411"><a name="p43801815411"></a><a name="p43801815411"></a>网卡名字，eth0。</p> 62</td> 63</tr> 64<tr id="row46581611174117"><td class="cellrowborder" valign="top" width="21%" headers="mcps1.2.4.1.1 "><p id="p3658171124116"><a name="p3658171124116"></a><a name="p3658171124116"></a>-sv <vendor></p> 65</td> 66<td class="cellrowborder" valign="top" width="52%" headers="mcps1.2.4.1.2 "><p id="p3658131111410"><a name="p3658131111410"></a><a name="p3658131111410"></a>设置dhcp请求的厂商信息。</p> 67</td> 68<td class="cellrowborder" valign="top" width="27%" headers="mcps1.2.4.1.3 "><p id="p14658311184115"><a name="p14658311184115"></a><a name="p14658311184115"></a>厂商信息，长度是32个字符。</p> 69</td> 70</tr> 71<tr id="row14729211134217"><td class="cellrowborder" valign="top" width="21%" headers="mcps1.2.4.1.1 "><p id="p972915115426"><a name="p972915115426"></a><a name="p972915115426"></a>-gv</p> 72</td> 73<td class="cellrowborder" valign="top" width="52%" headers="mcps1.2.4.1.2 "><p id="p272951113426"><a name="p272951113426"></a><a name="p272951113426"></a>查看dhcp请求的厂商信息。</p> 74</td> 75<td class="cellrowborder" valign="top" width="27%" headers="mcps1.2.4.1.3 "><p id="p117291111134216"><a name="p117291111134216"></a><a name="p117291111134216"></a>N/A</p> 76</td> 77</tr> 78<tr id="row4940853114219"><td class="cellrowborder" valign="top" width="21%" headers="mcps1.2.4.1.1 "><p id="p13940185310423"><a name="p13940185310423"></a><a name="p13940185310423"></a>-gd <index></p> 79</td> 80<td class="cellrowborder" valign="top" width="52%" headers="mcps1.2.4.1.2 "><p id="p1194095374213"><a name="p1194095374213"></a><a name="p1194095374213"></a>获取第index个dns server的信息。</p> 81</td> 82<td class="cellrowborder" valign="top" width="27%" headers="mcps1.2.4.1.3 "><p id="p694025334210"><a name="p694025334210"></a><a name="p694025334210"></a>index，0或者1。</p> 83</td> 84</tr> 85<tr id="row196815382432"><td class="cellrowborder" valign="top" width="21%" headers="mcps1.2.4.1.1 "><p id="p14681238154317"><a name="p14681238154317"></a><a name="p14681238154317"></a>-sd <dns_ip></p> 86</td> 87<td class="cellrowborder" valign="top" width="52%" headers="mcps1.2.4.1.2 "><p id="p4681038144316"><a name="p4681038144316"></a><a name="p4681038144316"></a>设置主dns server的ip。</p> 88</td> 89<td class="cellrowborder" valign="top" width="27%" headers="mcps1.2.4.1.3 "><p id="p4681173884313"><a name="p4681173884313"></a><a name="p4681173884313"></a>dns的ip地址。</p> 90</td> 91</tr> 92</tbody> 93</table> 94 95## 使用指南<a name="section15935131220717"></a> 96 97dhclient eth0 98 99dhclient -x eth0 100 101dhclient -gb eth0 102 103dhclient -sv MFSI 104 105dhclient -gv 106 107dhclient -gd 0 108 109dhclient -sd 8.8.8.8 110 111## 使用实例<a name="section79281818476"></a> 112 113 114 115## 输出说明<a name="section12742311179"></a> 116 117**表 2** 输出说明 118 119<a name="table487mcpsimp"></a> 120<table><thead align="left"><tr id="row492mcpsimp"><th class="cellrowborder" valign="top" width="50%" id="mcps1.2.3.1.1"><p id="p494mcpsimp"><a name="p494mcpsimp"></a><a name="p494mcpsimp"></a>输出</p> 121</th> 122<th class="cellrowborder" valign="top" width="50%" id="mcps1.2.3.1.2"><p id="p496mcpsimp"><a name="p496mcpsimp"></a><a name="p496mcpsimp"></a>说明</p> 123</th> 124</tr> 125</thead> 126<tbody><tr id="row502mcpsimp"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p583513382179"><a name="p583513382179"></a><a name="p583513382179"></a>dhclient: set vendor info [MFSI] success</p> 127</td> 128<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p19833143819174"><a name="p19833143819174"></a><a name="p19833143819174"></a>设置厂商信息MFSI信息成功。</p> 129</td> 130</tr> 131<tr id="row1990234224612"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p3902144294612"><a name="p3902144294612"></a><a name="p3902144294612"></a>dns[0]: 192.168.1.100</p> 132</td> 133<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p13903144284610"><a name="p13903144284610"></a><a name="p13903144284610"></a>dns server ip地址为192.168.1.100。</p> 134</td> 135</tr> 136</tbody> 137</table> 138 139
