As shown inFigure 1, configure the DHCP snooping device's port that is connected to the DHCP server as a trusted port. The trusted port forwards response messages from the DHCP server to the client. The untrusted port connected to the...
#进入特权模式enable#进入全局配置模式configureterminal#启用DHCP Snoopingipdhcp snooping#指定信任端口(通常是连接到DHCP服务器的端口)interfaceGigabitEthernet0/1ipdhcp snooping trust#指定非信任端口(通常是连接到主机的端口)interfaceGigabitEthernet0/2ipdhcp snooping untrust#保存配置writememory#退出配置模式end 示例:...
To configure DHCP snooping, you need to: Enable DHCP snooping on a VLAN. Add a trusted interface. Cumulus Linux allows DHCP offers from only trusted interfaces to prevent malicious DHCP servers from assigning IP addresses inside the network. The interface must be a member of the bridge specified...
最后，为了方便管理，我们可以配置DHCP Snooping数据库的存放位置，例如使用“ip dhcp snooping database disk0:/dhcp.db”命令将数据库存放在disk0:/dhcp.db位置。在特定VLAN中启动DHCP Snooping后，我们可以使用“do show ip dhcp snooping”命令来查看DHCP Snooping的状态。结果显示，Switch DHCP Snooping已启用，而...
The DHCP snooping binding table records the mappings between IP addresses and MAC addresses of DHCP clients. The device can check DHCP messages against the DHCP snooping binding table to prevent attacks initiated by unauthorized users. Configure DHCP snooping on the Layer 2 access devices or the fi...
I need to configure DHCP snooping on a switch and I have these commands: globally:ip dhcp snoopingip dhcp snooping vlan 10.20 per interface:ip dhcp snooping trust But there is a problem, I can set the configuration by interface "ip dhcp snooping trust" knowing that this Host is a user, ...
一般来说,配置DHCP Snooping的步骤如下: 启用DHCP Snooping功能:在网络设备上启用DHCP Snooping功能。 配置信任端口和非信任端口:指定哪些端口是信任端口(通常连接到合法的DHCP服务器),哪些是非信任端口(通常连接到客户端设备)。 配置绑定表:根据实际需求配置DHCP客户端和服务器之间的绑定关系。 配置安全策略:根据需要配...
在Cisco交换机上启用DHCP Snooping的具体步骤如下：首先，你需要进入全局配置模式，输入"enable"和"configure terminal"命令。接下来，通过输入"ip dhcp snooping"命令启动DHCP Snooping功能。然后，配置信任接口。具体操作是，输入"interface interface-name"命令进入接口配置模式，并使用"ip dhcp snooping trust...
1、在接入交换机上开启dhcp snooping功能 Ruijie>enable Ruijie#configure terminal Ruijie(config)#ip dhcp snooping --->开启DHCP snooping功能 2、连接DHCP服务器的接口配置为可信任口 Ruijie(config)#interface gigabitEthernet 0/49 Ruijie(config-GigabitEthernet 0/49)#ip dhcp snooping trust ---开启...
[DeviceA-Ten-GigabitEthernet3/0/1] dhcp snooping information enable [DeviceA-Ten-GigabitEthernet3/0/1] dhcp snooping information circuit-id string group1 [DeviceA-Ten-GigabitEthernet3/0/1] quit # Configure Ten-GigabitEthernet 3/0/...