dhcp snooping enable no-user-binding命令用来配置在使能DHCP Snooping功能后,接口不生成用户绑定表。 undo dhcp snooping enable no-user-binding命令用来恢复缺省配置。 缺省情况下,在使能DHCP Snooping功能后,接口生成用户绑定表。 命令格式 系统视图: dhcp snooping enable no
No-user-binding:配置在使能DHCP Snooping功能后,接口不生成用户绑定表。默认情况下,在使能DHCP Snooping功能后,接口会生成用户绑定表,该表记录了DHCP客户端的IP地址、MAC地址以及接口信息。 3. DHCP Snooping Trust 与 No-user-binding 的配合使用 当配置 dhcp-snooping trust no-user-binding 时,意味着该接口被设...
dhcp snooping enable no-user-binding命令用来配置在使能DHCP Snooping功能后,接口不生成用户绑定表。 undo dhcp snooping enable no-user-binding命令用来恢复缺省配置。 缺省情况下,在使能DHCP Snooping功能后,接口生成用户绑定表。 命令格式 系统视图: dhcp snooping enable no-user-bindingvlan{vlan-id1[tovlan-id...
dhcp-snooping trust[no-user-binding] 必选 缺省情况下,在使能DHCP Snooping功能后,设备的所有端口均为不信任端口 l为了使DHCP客户端能从合法的DHCP服务器获取IP地址,必须将与合法DHCP服务器相连的端口设置为信任端口,设置的信任端口和与DHCP客户端相连的端口必须在同一个VLAN内。
DHCP Snooping Binding Table In the following figure, each PC connects to a Layer 2 access device and obtains an IP address automatically. The process is as follows: A PC, functioning as a DHCP client, broadcasts a DHCP Request message. ...
DHCPSERVER#show ip dhcp binding /查看DHCPSERVER分发的地址信息/ Bindings from all pools not associated with VRF: IP address Client-ID/ Lease expiration Type Hardware address/ User name 192.168.10.2 0063.6973.636f.2d30. Dec 20 2001 08:51 AM Automatic ...
DHCPSERVER#show ip dhcp binding /查看DHCPSERVER分发的地址信息/ Bindings from all pools not associated with VRF: IP address Client-ID/ Lease expiration Type Hardware address/ User name 192.168.10.2 0063.6973.636f.2d30. Dec 20 2001 08:51 AM Automatic ...
undo dhcp snooping binding database update interval Default The DHCP snooping device waits 300 seconds to update the backup file after a DHCP snooping entry change. If no DHCP snooping entry changes, the backup file is not updated. Views System view Predefined user roles network-admin Parameters ...
no ip dhcp snooping database Default Configuration The DHCP Snooping binding database file is not defined. Command Mode Global Configuration mode User Guidelines The DHCP Snooping binding database file resides on Flash. To ensure that the lease time in the database is accurate, the Sim...
使能dhcp snooping enable no-user-binding 故障案例:DHCP中继上配置DHCP Snooping功能,客户端能获取IP地址,但是设备上没有生成DHCP Snooping动态绑定 DHCP Snooping功能类 DHCP Option82在DHCP Snooping场景下失效 Option82插入功能未使能 故障案例:DHCP Option82在DHCP Snooping场景下失效 ...