CCIE学习(23)——IP服务知识回顾

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IP服务类协议及标准1ARPRFC 8262Proxy ARPRFC 10273RARPRFC 9034BOOTPRFC 9515DHCPRFC 21316DHCP FQDN选项:Internet-Draft7HSRPCisco私有协议8VRRPRFC 37689GLBPCisco私有协议10CDPCisco私有协议11NTPRFC 130512SyslogRFC 316413SNMPv1RFCs 1155-1157, 1212-1213, 121514SNMPv2RFCs 1902-1907, 341615SNMPv2cRFC 190116SNMPv3RFCs 2578-2580, 3410-3415 IP服务的相关命令 命令 描述 ip dhcp pool name 创建DHCP default-router address [address2…address8] 设定网关的DHCP池子命令 dns-server address [address2…address8] 设定DNS服务器的DHCP池子命令 lease {days [hours][minutes] | infinite} 设定租用期的DHCP池子命令 network network-number [mask | prefix-length] 设定IP地址的DHCP池子命令 ip dhcp excluded-address [low-address high-address] 排除某些地址的DHCP池子命令 host address [mask | prefix-length] 分配静态IP地址的DHCP池子命令 hardware-address hardware-address type 定义静态MAC地址的DHCP池子命令,与上面的host同时使用 show ip dhcp binding [ip-address] 显示DHCP分配的地址 show ip dhcp server statistics 显示DHCP服务器运行状态 standby [group-number] ip [ip-address [secondary]] 激活一个HSRP组并定义其虚拟IP地址的接口子命令 track object-number interface type-number {line-protocol | ip routing}HSRPVRRPGLBP中配置追踪对象来追踪指定接口的状态 standby [group-number] preempt [delay {minimum delay | reload delay | sync delay}] 激活抢占功能并设置延迟计时器的接口子命令 show track [object-number [brief] | interface [brief] | ip route [brief] | resolution | timers] 显示追踪对象的状态 standby [group-number] priority priority 设置路由器的HSRP组优先级的接口子命令 standby [group-number] timers [msec] hellotime [msec] holdtime 设置HSRP组计时器的接口子命令 standby [group-number] track object-number 激活HSRP追踪所定义对象的接口子命令,通常当关于该对象的某项事件发生时更换激活路由器 show standby [type number [group]] [brief | all] 显示HSRP状态 ntp peer ip-address [version number] [key keyid] [source interface] [prefer] 激活NTP的对称激活模式的全局命令 ntp server ip-address [version number] [key keyid] [source interface] [prefer] 激活NTP静态客户端模式的全局命令 ntp broadcast [version number]NTP服务器上引起接口发送NTP广播的接口子命令 ntp broadcast clientNTP服务器上引起接口监听NTP广播的接口子命令 ntp master [stratum] 激活NTP服务器模式的全局命令 show ntp associations 显示与其它NTP服务器和客户端的联系 show ntp status 显示同步状态,组织级别及其他基本信息 logging trap levelSyslog消息设定重要性级别:0=emergencies, 1=alerts, 2=critical, 3=errors, 4=warnings, 5=notifications, 6=informational, 7=debuggingdefault logging host {{ip-address | hostname} | {ipv6 ipv6-address | hostname}} [transport {udp [port port-number] | tcp [port port-number]}] [alarm severity]] 配置Syslog服务器地址及传输协议和端口号 ip wccp {web-cache | service-number} [service-list service-access-list] [mode {open | closed}] [group-address multicast-address] [redirect-list access-list] [group-list access-list] [password [0-7] password] 激活WCCP并配置其过滤和服务参数 ip wccp {web-cache | service-number} redirect {in | out} 激活WCCP并配置其为外发或内入服务的接口子命令 show ip wccp 显示WCCP配置及状态

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