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December 2020

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WLC 2000 series 使用Windows 2012 DHCP server 分配ip 问题

尝试使用Windows dhcp服务器来为WLC SSID分配ip未能成功,求各路大神是否有方法帮助小弟解决一下
dhcp server曾使用桌面直连交换机来配给ip是没有问题的
下面相关的配置与调试的日志
DHCP的設置
182904f4q8ocll5aw5tlcb.png182904x4sn84d4q5u79nzz.png
182904zkcka3yc3xx6xvfy.png
SSID設定
182904bofp374rsp537xup.png
182905y8os83chsxioor8o.png
debug log
182905kukgu62nks7w7ibb.png
Switch ip-helper的配置
182905wglaq8hvqgwtgaf1.png
WLC與AP連接Switch的port口配置
interface GigabitEthernet1/0/2
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,10,20,30,1002-1005
switchport mode trunk
!
interface GigabitEthernet1/0/3
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,10,20,30,1002-1005
switchport mode trunk
7 条回复7
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Beginner

要写option啊
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SMG-SH 发表于 2018-7-24 19:48
要写option啊

小弟是新手,能否有一些事例配置參考一下呢?
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Collaborator

第一个图片中,DHCP 参数,要启用DHCP proxy
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Advocate

本帖最后由 Rocky 于 2018-7-30 23:20 编辑
楼主可以参考一下下面的文档
DHCP with the WLC
https://www.cisco.com/c/en/us/su ... 10865-dhcp-wlc.html
DHCP with the WLC
https://rscciew.wordpress.com/2014/07/16/dhcp-with-the-wlc/
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VIP Advisor

ENABLE DHCP PROXY 勾选一下!
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arvinjing 发表于 2018-7-30 17:18
第一个图片中,DHCP 参数,要启用DHCP proxy

还是不行
debug出现下面的log.
*DHCP Socket Task: Jul 30 16:46:11.710: 18:f6:43:a7:51:56 DHCP selected relay 1 - 192.168.1.4 (local address 192.168.30.1, gateway 192.168.30.254, VLAN 30, port 1)
*DHCP Socket Task: Jul 30 16:46:11.710: 18:f6:43:a7:51:56 DHCP transmitting DHCP DISCOVER (1)
*DHCP Socket Task: Jul 30 16:46:11.710: 18:f6:43:a7:51:56 DHCP op: BOOTREQUEST, htype: Ethernet, hlen: 6, hops: 1
*DHCP Socket Task: Jul 30 16:46:11.710: 18:f6:43:a7:51:56 DHCP xid: 0x49102f26 (1225797414), secs: 15616, flags: 0
*DHCP Socket Task: Jul 30 16:46:11.711: 18:f6:43:a7:51:56 DHCP chaddr: 18:f6:43:a7:51:56
*DHCP Socket Task: Jul 30 16:46:11.711: 18:f6:43:a7:51:56 DHCP ciaddr: 0.0.0.0, yiaddr: 0.0.0.0
*DHCP Socket Task: Jul 30 16:46:11.711: 18:f6:43:a7:51:56 DHCP siaddr: 0.0.0.0, giaddr: 192.168.30.1
*DHCP Socket Task: Jul 30 16:46:11.711: 18:f6:43:a7:51:56 DHCP sending REQUEST to 192.168.30.254 (len 350, port 1, vlan 30)
*DHCP Socket Task: Jul 30 16:46:11.711: 18:f6:43:a7:51:56 DHCP selecting relay 2 - control block settings:
dhcpServer: 0.0.0.0, dhcpNetmask: 0.0.0.0,
dhcpGateway: 0.0.0.0, dhcpRelay: 192.168.30.1 VLAN: 30
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Advocate

billywai 发表于 2018-7-31 11:23
还是不行
debug出现下面的log.

试试DHCP Bridge Mode,具体配置请看上面我提供的文档。
不能显示该小部件。