IP话机的IP地址通过DHCP服务器动态分配,且IP话机的IP地址和DHCP服务器的IP地址不在同一个网段。 IP话机需要通过802.1X认证接入交换机。 图2-9通过HDP方式实现Cisco话机对接组网图 数据规划 表2-7IP话机数据规划 数据项 数据值 语音VLAN VLAN 100
你可以先试试 不行的话可以在cisco5505上起DHCP 中继 定义一个真实的DHCP服务器 dhcprelay server dhcp_server_ip server_ifc 引入防火墙接口作为默认网关 dhcprelay setroute client_ifc 启用DHCP中继服务 dhcprelay enable client_ifc 配置DHCP中继接受来自内部接口上客户端的DHCP请求,并将这些请求转发到...
设备作为DHCP服务器故障定位指导 背景信息 DHCP服务器,负责处理来自客户端或中继的地址分配、地址续租、地址释放等请求,为客户端分配IP地址和其他网络配置信息。 操作步骤 常用的DHCP服务器场景下客户端无法获取IP地址的定位流程如下图所示。 图19-27设备配置DHCP服务器场景下客户端无法获取IP地址的定位流程 ...
no ip address dhcp!interface vlan 11name HOMEip address 10.10.11.254 255.255.255.0ip dhcp relay enable!interface vlan 13name DMZip address 10.10.13.254 255.255.255.0ip dhcp relay enable!interface vlan 14name GUESTSip address 10.10.14.254 255.255.255.0ip dhcp relay enable!...
Logs: Review DHCP logs or use debug commands to see if there’s an issue with the relay. some commands that can help: ip arp synchronizeshow ip dhcp snoopingdebug ip dhcp relay packet I believe these steps should help resolve the issue. Great topology, by the way! -Ene...
[Device-Vlan-interface180]ipv6 dhcp select relay [Device-Vlan-interface180]ipv6 dhcp relay server-address 2021:207::50 [Device-Vlan-interface180]ipv6 address 2021:180::1/64 [Device-Vlan-interface180]portal ipv6 enable method direct [Device-V...
·在接口GigabitEthernet1/0/1上启用IPv4动态绑定功能,利用动态生成的DHCP Snooping表项过滤接口接收的...
但是在CISCO这种高级的设备上还没有实现呢??如下是我OpenWRT的配置:config dhcp 'lan' option interface 'lan' option start '100' option limit '150' option leasetime '12h' option ra 'relay' option dhcpv6 'relay' option ndp 'relay'config dhcp 'wan'...
relay information option allow-untrusted ! Enabling a DHCP Relay Agent on an Interface This section describes how to enable the Cisco IOS XR DHCP relay agent on an interface. Configuration Example The DHCP relay agent is disabled by default. ...
如图1所示,RouterA作为DHCP Relay,RouterB作为DHCP Server。需要通过具有DHCP中继功能的路由器RouterA转发DHCP报文,使PC可以从DHCP服务器上申请到IP地址等相关配置信息。 图1 配置DHCP Relay功能 操作步骤 1、配置RouterA vlan batch 100 # dhcp enable //使能全局DHCP功能 # dhcp server group dhcpgroup1 //创建...