<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Tony_long7483的博客]]></title><description><![CDATA[网络工程师学习]]></description><link>https://blog.youkuaiyun.com/Tony_long7483</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Tony_long7483]]></copyright><item><title><![CDATA[PS快捷键]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/169848816</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/169848816</guid><author>Tony_long7483</author><pubDate>Mon, 02 Nov 2026 20:47:33 +0800</pubDate><description><![CDATA[PS快捷键]]></description><category></category></item><item><title><![CDATA[ping时返回ICMP消息的意义]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/161572495</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/161572495</guid><author>Tony_long7483</author><pubDate>Sun, 31 May 2026 22:10:45 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[锐捷交换机忘记密码怎么办]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/156578446</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/156578446</guid><author>Tony_long7483</author><pubDate>Sun, 04 Jan 2026 22:17:01 +0800</pubDate><description><![CDATA[锐捷交换机忘记密码怎么办]]></description><category></category></item><item><title><![CDATA[华为交换机、路由器和防火墙忘记密码了怎么办]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/156577891</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/156577891</guid><author>Tony_long7483</author><pubDate>Sun, 04 Jan 2026 21:49:40 +0800</pubDate><description><![CDATA[华为交换机、路由器和防火墙忘记密码了怎么办]]></description><category></category></item><item><title><![CDATA[华三交换机忘记密码怎么办]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/156577356</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/156577356</guid><author>Tony_long7483</author><pubDate>Sun, 04 Jan 2026 21:19:04 +0800</pubDate><description><![CDATA[华三交换机忘记密码怎么办]]></description><category></category></item><item><title><![CDATA[如何判断ping的结果]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/156109829</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/156109829</guid><author>Tony_long7483</author><pubDate>Sat, 20 Dec 2025 13:18:20 +0800</pubDate><description><![CDATA[国外外网：丢包率不超6%，延迟不超过300ms。国内外网：丢包率不超3%，延迟不超过30ms。内网：丢包率为0，延迟不超过10ms。]]></description><category></category></item><item><title><![CDATA[网工比较实用的Windows命令]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/155554515</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/155554515</guid><author>Tony_long7483</author><pubDate>Thu, 04 Dec 2025 08:51:25 +0800</pubDate><description><![CDATA[显示本地 ARP 缓存表（IP ↔ MAC 映射），如怀疑 IP 地址冲突，排查局域网 ARP 欺骗。正常输出：192.168.2.2   aa-bb-cc-dd-ee-ff     dynamic。定位某 IP 对应的物理设备：arp -a | findstr “192.168.2.2”tracert + ping 结合路径追踪与丢包率统计，精准定位网络抖动点，查看间歇性丢包。输入：netsh interface ip show config “以太网”输入：tracert www.xx.com。]]></description><category></category></item><item><title><![CDATA[如何应付IP地址冲突：私接路由器原因]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/155236340</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/155236340</guid><author>Tony_long7483</author><pubDate>Tue, 25 Nov 2025 15:56:45 +0800</pubDate><description><![CDATA[根据非法端口找到对应位置，如果接的是AP或傻瓜交换机，继续向下排查。也可以在交换机上持续ping冲突IP，哪个端口的错包突增，就是连接私接路由器的端口。结果中如果两个MAC地址对应这个IP地址，其中不是合法终端连接的接口为私接路由器的端口。display mac-address | include 冲突IP地址。2，在核心/接入交换机查ARP或MAC表（以华为设备为例）如果终端弹窗“IP地址冲突”说明发生了IP地址冲突。若返回多个MAC对应这个IP地址，说明冲突发生了。连接终端的端口设为非信任（默认）]]></description><category></category></item><item><title><![CDATA[交换机性能排查分析]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/152257036</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/152257036</guid><author>Tony_long7483</author><pubDate>Mon, 29 Sep 2025 11:00:40 +0800</pubDate><description><![CDATA[L2INF过高 ：检查STP拓扑、启用BPDU保护ARPSNOOPING过高 ：启用ARP限速、DAI。广播包 > 10% 总流量 ：可能存在环路或扫描组播风暴，需要检查IGMP Snooping配置。若ARP表接近设备规格（如S5735支持16K ARP），需排查扫描行为。L2INF：二层协议处理（STP、MAC学习），查环路、BPDU风暴。持续 > 70% 利用率需关注，> 90% 可能成为瓶颈。ARPSNOOPING：ARP处理，查ARP泛洪、扫描。2、查看接口流量统计（按协议）]]></description><category></category></item><item><title><![CDATA[路由追踪不响应]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/151100185</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/151100185</guid><author>Tony_long7483</author><pubDate>Tue, 02 Sep 2025 08:37:53 +0800</pubDate><description><![CDATA[路由追踪不响应]]></description><category></category></item><item><title><![CDATA[私接小路由问题]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/151098680</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/151098680</guid><author>Tony_long7483</author><pubDate>Tue, 02 Sep 2025 07:45:08 +0800</pubDate><description><![CDATA[私接小路由问题]]></description><category></category></item><item><title><![CDATA[如何解决广播风暴]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/151068003</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/151068003</guid><author>Tony_long7483</author><pubDate>Mon, 01 Sep 2025 13:28:21 +0800</pubDate><description><![CDATA[如何解决广播风暴]]></description><category></category></item><item><title><![CDATA[电脑无法访问互联网排查思路]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/151046305</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/151046305</guid><author>Tony_long7483</author><pubDate>Sun, 31 Aug 2025 14:41:10 +0800</pubDate><description><![CDATA[2，检查是否获取到IP地址。如果电脑是通过DHCP获取IP地址，可以先手动给电脑配置一个与网关在同一网断的IP地址，再ping外网，如果能通很有可能就是DHCP的问题。3，检查网络设备上是否有路由，如果是静态路由必须要有回程路由，如果是动态路由检查是否学到去往各网断的路由。4，检查业务vlan是否正确。]]></description><category></category></item><item><title><![CDATA[python学习-开发socket客户端程序]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/149689041</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/149689041</guid><author>Tony_long7483</author><pubDate>Sun, 27 Jul 2025 13:23:36 +0800</pubDate><description><![CDATA[python学习-开发socket客户端程序]]></description><category></category></item><item><title><![CDATA[python学习-开发socket服务器端程序]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/149636104</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/149636104</guid><author>Tony_long7483</author><pubDate>Fri, 25 Jul 2025 13:34:21 +0800</pubDate><description><![CDATA[python学习-开发socket服务器端程序]]></description><category></category></item><item><title><![CDATA[python学习-使用csv模块读取字典数据]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/149545721</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/149545721</guid><author>Tony_long7483</author><pubDate>Tue, 22 Jul 2025 19:41:41 +0800</pubDate><description><![CDATA[python学习-使用csv模块读取字典数据]]></description><category></category></item><item><title><![CDATA[python学习-使用csv模块以字典形式录入数据]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/149545644</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/149545644</guid><author>Tony_long7483</author><pubDate>Tue, 22 Jul 2025 19:39:48 +0800</pubDate><description><![CDATA[python学习-使用csv模块以字典形式录入数据]]></description><category></category></item><item><title><![CDATA[python学习-读取csv大文件]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/149544881</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/149544881</guid><author>Tony_long7483</author><pubDate>Tue, 22 Jul 2025 19:04:42 +0800</pubDate><description><![CDATA[python学习-读取csv大文件]]></description><category></category></item><item><title><![CDATA[python学习-读取csv文件]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/149544741</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/149544741</guid><author>Tony_long7483</author><pubDate>Tue, 22 Jul 2025 18:58:08 +0800</pubDate><description><![CDATA[python学习-读取csv文件]]></description><category></category></item><item><title><![CDATA[python学习-使用csv模块通过列表迭代录入数据]]></title><link>https://blog.youkuaiyun.com/Tony_long7483/article/details/149481989</link><guid>https://blog.youkuaiyun.com/Tony_long7483/article/details/149481989</guid><author>Tony_long7483</author><pubDate>Sun, 20 Jul 2025 13:37:33 +0800</pubDate><description><![CDATA[python学习-使用csv模块通过列表迭代录入数据]]></description><category></category></item></channel></rss>