DHCP无法获取地址 交换机抓包结果
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问题描述：
From 0.0.0.0 port 68, interface Vlan-interface2801
Message type: REQUEST (1)
Hardware type: 1, Hardware address length: 6
Hops: 0, Transaction ID: 2596328269
Seconds: 0, Broadcast flag: 0
Client IP address: 0.0.0.0 Your IP address: 0.0.0.0
Server IP address: 0.0.0.0 Relay agent IP address: 0.0.0.0
Client hardware address: 6c92-bf05-cc4a
Server host name: not configured
Boot file name: not configured
DHCP message type: DHCPDISCOVER (1)
*Jan 2 23:34:51:826 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/EVENT: Receive a DHCPDISCOVER message from Vlan-interface2801.
*Jan 2 23:34:51:826 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/EVENT: No matching network for the client.
*Jan 2 23:34:54:906 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/PACKET:
From 0.0.0.0 port 68, interface Vlan-interface2801
Message type: REQUEST (1)
Hardware type: 1, Hardware address length: 6
Hops: 0, Transaction ID: 2596328269
Seconds: 0, Broadcast flag: 0
Client IP address: 0.0.0.0 Your IP address: 0.0.0.0
Server IP address: 0.0.0.0 Relay agent IP address: 0.0.0.0
Client hardware address: 6c92-bf05-cc4a
Server host name: not configured
Boot file name: not configured
DHCP message type: DHCPDISCOVER (1)
*Jan 2 23:34:54:907 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/EVENT: Receive a DHCPDISCOVER message from Vlan-interface2801.
*Jan 2 23:34:54:907 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/EVENT: No matching network for the client.
*Jan 2 23:34:58:007 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/PACKET:
From 0.0.0.0 port 68, interface Vlan-interface2801
Message type: REQUEST (1)
Hardware type: 1, Hardware address length: 6
Hops: 0, Transaction ID: 2596328269
Seconds: 0, Broadcast flag: 0
Client IP address: 0.0.0.0 Your IP address: 0.0.0.0
Server IP address: 0.0.0.0 Relay agent IP address: 0.0.0.0
Client hardware address: 6c92-bf05-cc4a
Server host name: not configured
Boot file name: not configured
DHCP message type: DHCPDISCOVER (1)
*Jan 2 23:34:58:007 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/EVENT: Receive a DHCPDISCOVER message from Vlan-interface2801.
*Jan 2 23:34:58:007 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/EVENT: No matching network for the client.
*Jan 2 23:35:09:334 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/PACKET:
From 0.0.0.0 port 68, interface Vlan-interface782
Message type: REQUEST (1)
Hardware type: 1, Hardware address length: 6
Hops: 0, Transaction ID: 3766158176
Seconds: 0, Broadcast flag: 0
Client IP address: 0.0.0.0 Your IP address: 0.0.0.0
Server IP address: 0.0.0.0 Relay agent IP address: 0.0.0.0
Client hardware address: 2cf0-a285-2bf3
Server host name: not configured
Boot file name: not configured
DHCP message type: DHCPDISCOVER (1)
*Jan 2 23:35:09:334 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/EVENT: Receive a DHCPDISCOVER message from Vlan-interface782.
*Jan 2 23:35:09:334 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/EVENT: No matching network for the client.
组网及组网描述：
dhcp-server 1 ip 121.193.80.2
From 0.0.0.0 port 68, interface Vlan-interface2801
Message type: REQUEST (1)
Hardware type: 1, Hardware address length: 6
Hops: 0, Transaction ID: 2732643606
Seconds: 0, Broadcast flag: 0
Client IP address: 0.0.0.0 Your IP address: 0.0.0.0
Server IP address: 0.0.0.0 Relay agent IP address: 0.0.0.0
Client hardware address: 6c92-bf05-cc4a
Server host name: not configured
Boot file name: not configured
DHCP message type: DHCPDISCOVER (1)
*Jan 2 23:24:35:996 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/EVENT: Receive a DHCPDISCOVER message from Vlan-interface2801.
*Jan 2 23:24:35:996 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/EVENT: No matching network for the client.
d*Jan 2 23:24:39:075 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/PACKET:
From 0.0.0.0 port 68, interface Vlan-interface2801
Message type: REQUEST (1)
Hardware type: 1, Hardware address length: 6
Hops: 0, Transaction ID: 2732643606
Seconds: 0, Broadcast flag: 0
Client IP address: 0.0.0.0 Your IP address: 0.0.0.0
Server IP address: 0.0.0.0 Relay agent IP address: 0.0.0.0
Client hardware address: 6c92-bf05-cc4a
Server host name: not configured
Boot file name: not configured
DHCP message type: DHCPDISCOVER (1)
*Jan 2 23:24:39:075 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/EVENT: Receive a DHCPDISCOVER message from Vlan-interface2801.
*Jan 2 23:24:39:075 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/EVENT: No matching network for the client.
^
% Incomplete command found at '^' position.
<MZ_WDL_3#320_Office_S5560-30F-EI>und*Jan 2 23:24:42:155 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/PACKET:
From 0.0.0.0 port 68, interface Vlan-interface2801
Message type: REQUEST (1)
Hardware type: 1, Hardware address length: 6
Hops: 0, Transaction ID: 2732643606
Seconds: 0, Broadcast flag: 0
Client IP address: 0.0.0.0 Your IP address: 0.0.0.0
Server IP address: 0.0.0.0 Relay agent IP address: 0.0.0.0
Client hardware address: 6c92-bf05-cc4a
Server host name: not configured
Boot file name: not configured
DHCP message type: DHCPDISCOVER (1)
*Jan 2 23:24:42:156 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/EVENT: Receive a DHCPDISCOVER message from Vlan-interface2801.
*Jan 2 23:24:42:156 2013 MZ_WDL_3#320_Office_S5560-30F-EI DHCPS/7/EVENT: No matching network for the client.
- 2018-10-17提问
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最佳答案
Client hardware address: 6c92-bf05-cc4a 发出 DHCP 请求报文，来自于vlan 2801 ，交换机 320_Office_S5560-30F-EI 收到这个包后，No matching network for the client. 提示没有匹配这个客户端请求的网络，建议做如下检查：
1，交换机有没有启用dhcp，系统视图下 dhcp enable
2，vlan 2801 有没有启用3层接口并设置ip地址，
int vlan 2801
ip add x.x.x.x x.x.x.x
3，有没有设置这个网段的地址池
dhcp server ip-pool 1
network x.x.x.x mask x.x.x.x
gateway-list x.x.x.x
dns x.x.x.x
- 2018-10-17回答
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