dhcp relay dhcp-server timeout time 缺省情况下,DHCP服务器应答超时切换时间为30秒。 (5) (可选)配置回切主用DHCP服务器并指定回切延迟时间。 dhcp relay master-server switch-delay delay-time 缺省情况下,DHCP中继不回切到主用DHCP服务器。 3. 配置DHCP中继选择DHCP服务器方式(中继地址池视图) (1) 进入...
执行命令dhcp server lease { day day [ hour hour [ minute minute ] ] | unlimited },配置IP地址租期。 缺省情况下,IP地址的租期为1天。 基于全局方式: 执行命令system-view,进入系统视图。 执行命令ip pool ip-pool-name,进入全局地址池视图。 执行命令lease { day day [ hour hour [ minute minute ]...
执行命令dhcp client gateway-detectperiodperiodretransmitretransmittimeouttime,配置DHCP客户端网关探测功能。 缺省情况下,系统未配置DHCP客户端网关探测功能。 (可选)配置DHCP客户端动态获取路由信息 背景信息 客户端与其他网络设备通信时,需要在客户端上配置下一跳地址是客户端网关地址的路由。如果客户端网关地址是通过DH...
DHCPServer: Lease is exhausted! (3) (6) SendingMessage-Typefailed! (4) DHCPServer: The number of leases has reached the maximum! (5) 可能的故障原因包括: (1) 物理链路不畅通 (2) DHCP未使能 (3) DHCP服务器没有配置地址池 通过display dhcp server tree all查看地址池配置:是否配置了与接收报文...
Configuring the Address Lease Time By default, each IP address assigned by a DHCP Server comes with a one-day lease, which is the amount of time that the address is valid. To change the lease value for an IP address, use the following command in DHCP pool configuration mode: Router(dh...
/* Use the ip address of the lease that we finally found in the database. */ lt -> ip_addr = lease -> ip_addr; /* Start now. */ lt -> starts = cur_time; /* Figure out how long a lease to assign. If this is a
这个是从一台真实设备支持的DHCP参数,其中address与enable,还有auto-config这个之前已经用过了 1、dns,这里主要是给内部用户指定特定的DNS,如果有内部DNS服务器的话 可以使用该参数 2、Domain,指定域名3、Lease指定租期 4、Option,DHCP的option参数 5、Ping_timeout,用来检测分配的地址是否已经被使用了 6、Update,这...
Configuring the Address Lease Time By default, each IP address assigned by a DHCP Server comes with a one-day lease, which is the amount of time that the address is valid. To change the lease value for an IP address, use the following command in DHCP pool configuration mode: Router(dh...
表-1是整个报文的封装格式,包括链路层头、IP头、UDP头和DHCP报文,其中dhcp主要的数据都封装在dhcp报文中。 表-2 是DHCP报文的格式,各字段的说明如下: Op:消息操作代码,1byte,既可以是引导请求(BOOTREQUEST)也可以是引导答复(BOOTREPLY),1为请求报文;2为响应报文。具体的报文类型在option字段中标识。
--- DHCP option for NetBIOS name server(s) (WINS). lease 0 0 1 !--- Lease time. interface Ethernet0 description DHCP Client Network ip address 10.10.1.1 255.255.255.0 no ip directed-broadcast ! interface Ethernet1 description Server Network ip address 10.10.2.1 255.255.255.0 no ip ...