<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Liu_Cheng_H的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Liu_Cheng_H</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Liu_Cheng_H]]></copyright><item><title><![CDATA[登录交换机的web页面]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/136169857</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/136169857</guid><author>Liu_Cheng_H</author><pubDate>Mon, 19 Feb 2024 14:46:01 +0800</pubDate><description><![CDATA[交换机登录web页面]]></description><category></category></item><item><title><![CDATA[VRRP配置]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/136068346</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/136068346</guid><author>Liu_Cheng_H</author><pubDate>Wed, 07 Feb 2024 15:12:13 +0800</pubDate><description><![CDATA[2.按照要求创建SW1,SW2,SW3交换机上的vlan10和vlan20，并配置对应的三层IP地址。5.对SW1和SW2的上行接口进行监视，如果上行接口故障，触发VRRP进行角色切换。根据题目要求，SW1为vlan10的主网关，SW2为vlan10的备网关。根据题目要求，SW2为vlan20的主网关，SW1为vlan20的备网关。在R4这个通往互联网的路由器上配置nat地址转换，让PC能够访问。当SW1设备故障之后，备份组会重新选举SW1的master网关。3.配置路由让SW1，SW2能够访问互联网。]]></description><category></category></item><item><title><![CDATA[VRRP协议详解]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/136066510</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/136066510</guid><author>Liu_Cheng_H</author><pubDate>Wed, 07 Feb 2024 10:54:50 +0800</pubDate><description><![CDATA[配置了VRRP的设备会使用固定的组播地址224.0.0.18发送协议报文来进行主备选举。VRID为虚拟路由器的唯一表示，并具有虚拟MAC地址00-00-5E-00-01-{VRID}]]></description><category></category></item><item><title><![CDATA[路由引入&路由过滤排错]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/136053370</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/136053370</guid><author>Liu_Cheng_H</author><pubDate>Tue, 06 Feb 2024 15:23:00 +0800</pubDate><description><![CDATA[关于路由引入和路由过滤的排错报告]]></description><category></category></item><item><title><![CDATA[路由引入&路由过滤]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/135979240</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/135979240</guid><author>Liu_Cheng_H</author><pubDate>Sun, 04 Feb 2024 17:25:04 +0800</pubDate><description><![CDATA[将一种协议导入到另一种协议或在同种协议的不同进程之间进行导入就称作路由引入如下图，在R2中将RIP协议引入到OSPF或者将OSPF引入到RIP协议中。]]></description><category></category></item><item><title><![CDATA[OSPF路由聚合]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/135974208</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/135974208</guid><author>Liu_Cheng_H</author><pubDate>Thu, 01 Feb 2024 15:33:08 +0800</pubDate><description><![CDATA[摘要：本篇章意在通过实验去帮助理解OSPF的路由聚合和路由过滤，以及引入默认路由到OSPF中]]></description><category></category></item><item><title><![CDATA[OSPF排错]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/135935160</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/135935160</guid><author>Liu_Cheng_H</author><pubDate>Wed, 31 Jan 2024 12:02:10 +0800</pubDate><description><![CDATA[关于OSPF的排错，涉及OSPF邻居建立各种影响因素....]]></description><category></category></item><item><title><![CDATA[路由备份&聚合排错]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/135929940</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/135929940</guid><author>Liu_Cheng_H</author><pubDate>Tue, 30 Jan 2024 14:27:26 +0800</pubDate><description><![CDATA[查询R1的路由表中并未出现分支B的业务网段的路由，也没用中间200.2.2.0和200.3.3.0网段的路由。R1中未出现分支B的业务网段路由，也未出现中间网段200.2.2.0和200.3.3.0的路由。分支A路由器中出现了分支B的业务网段明细路由，分支B路由器中出现了分支A业务网段的明细路由。在R2上没有宣告串线的网段，导致当以太网接口关闭的时候，R2学习不到分支B的路由，无法通信。R4中未出现分支A的业务网段路由，但R4中通过RIP学习到了中间网段的路由。R2中也未出现分支A的业务网段路由。]]></description><category></category></item><item><title><![CDATA[防火墙详解]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/133150352</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/133150352</guid><author>Liu_Cheng_H</author><pubDate>Fri, 22 Sep 2023 21:26:39 +0800</pubDate><description><![CDATA[防火墙详解：什么是防火墙，防火墙工作原理，双通道协议，NAT策略配置：双向转换，安全策略配置，防火墙二层交换接口
]]></description><category></category></item><item><title><![CDATA[详细说明OSPF常见的LSA]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/132598293</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/132598293</guid><author>Liu_Cheng_H</author><pubDate>Thu, 31 Aug 2023 13:49:02 +0800</pubDate><description><![CDATA[一到五类LSA的产生者，LinkID，携带内容，传播范围..]]></description><category></category></item><item><title><![CDATA[MPLS多协议标签交换]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131493382</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131493382</guid><author>Liu_Cheng_H</author><pubDate>Tue, 25 Jul 2023 16:15:38 +0800</pubDate><description><![CDATA[最初MPLS多协议标签交换和包交换是竞争关系随着包交换的快速发展为特快包交换MPLS最终落败但开展其它业务并且还使用了特快包交换中的FIB表。]]></description><category></category></item><item><title><![CDATA[编码的总结]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131912165</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131912165</guid><author>Liu_Cheng_H</author><pubDate>Tue, 25 Jul 2023 10:46:23 +0800</pubDate><description><![CDATA[当 URL 路径或者查询参数中，带有中文或者特殊字符的时候，就需要对 URL 进行编码（采用十六进制URL 编码的原则是使用安全字符去表示那些不安全的字符。安全字符，指的是没有特殊用途或者特殊意义的字符。URL 是“统一资源定位符”（Uniform Resource Locator）的首字母缩写，中文译为“网址”，表示各种资源的互联网地址。下面就是一个典型的 URL。组成部分：协议、主机、端口、路径、查询参数、锚点等。示例如下路径和查询字符串之间使用问号?隔开。]]></description><category></category></item><item><title><![CDATA[高级ACL列表应用实验]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131829935</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131829935</guid><author>Liu_Cheng_H</author><pubDate>Thu, 20 Jul 2023 15:14:12 +0800</pubDate><description><![CDATA[高级ACL列表应用：PC1可以telnet R1，但不能ping R1；PC1可以ping R2但不能telnet R2；]]></description><category></category></item><item><title><![CDATA[redis 和mongodb]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131777570</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131777570</guid><author>Liu_Cheng_H</author><pubDate>Tue, 18 Jul 2023 00:06:06 +0800</pubDate><description><![CDATA[string list hash结构中，每个至少完成5个命令，包含插入 修改 删除 查询，list 和hash还需要增加遍历的操作命令。string list hash结构中，每个至少完成5个命令，包含插入修改删除查询，list和hash还需要增加遍历的操作命令。(1） 设置一个hash表，order表里包括的键值信息有：id：1,customer_name：张三。（3）将name列表的尾部元素移除到number列表的头部。（3） 获取order对应的map的所有key。（5）查看list的值长度。]]></description><category></category></item><item><title><![CDATA[数据库备份恢复和索引视图]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131678918</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131678918</guid><author>Liu_Cheng_H</author><pubDate>Wed, 12 Jul 2023 17:56:08 +0800</pubDate><description><![CDATA[一、备份与还原
二、索引
三、视图]]></description><category></category></item><item><title><![CDATA[存储函数，存储过程的应用]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131665818</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131665818</guid><author>Liu_Cheng_H</author><pubDate>Tue, 11 Jul 2023 21:40:10 +0800</pubDate><description><![CDATA[【代码】存储函数，存储过程的应用。]]></description><category></category></item><item><title><![CDATA[MySQL单表查询与多表连接查询]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131624420</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131624420</guid><author>Liu_Cheng_H</author><pubDate>Mon, 10 Jul 2023 17:30:22 +0800</pubDate><description><![CDATA[MySQL单表查询与多表连接查询]]></description><category></category></item><item><title><![CDATA[创建员工表并按要求完成数据]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131609850</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131609850</guid><author>Liu_Cheng_H</author><pubDate>Sat, 08 Jul 2023 11:35:47 +0800</pubDate><description><![CDATA[创建员工表并按要求完成数据]]></description><category></category></item><item><title><![CDATA[USG6000V 防火墙的策略应用]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131604463</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131604463</guid><author>Liu_Cheng_H</author><pubDate>Fri, 07 Jul 2023 21:29:46 +0800</pubDate><description><![CDATA[防火墙的策略应用]]></description><category></category></item><item><title><![CDATA[创建数据库Market、Team，按要求完成指定操作]]></title><link>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131579859</link><guid>https://blog.youkuaiyun.com/Liu_Cheng_H/article/details/131579859</guid><author>Liu_Cheng_H</author><pubDate>Fri, 07 Jul 2023 16:00:10 +0800</pubDate><description><![CDATA[创建数据库Market，在Market中创建数据表customers，customers表结构如表4.6所示，按要求进行操作。
在Market中创建数据表orders，orders表结构如表4.7所示，按要求进行操作。
创建数据库Team，定义数据player，语句如下]]></description><category></category></item></channel></rss>