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hasun
Cisco Employee
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10-23-2018
05-21-2024
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【TAC分享】 如何通过Bundle 模式升级IOS以及IOSXE版本
07-23-2023
Bundle 模式适用于目前绝大多数交换机的升级,其做法简单,不易出错。 Bundle模式升级大致分以下几个步骤: 1、前期准备: 1)到官网找到所需要的版本号,下载对应的.bin文件 2) clean up确保flash有足够的空间来安装image Switch# delete flash:xxxx 3) 通过FTP/TFTP 或者U盘将Bin文件上传到flash下 命令如下:switch# copy ftp/tftp/usbflash:cat9k_iosxe.....
【TAC分享】Catalyst 交换机未知静态路由排错分享
03-27-2023
前言故障描述故障排查方法结论 前言 本篇文章主要用于排查为何交换机没有配置静态路由,但是在show ip route中会发现未知的静态路由条目。 故障描述 目前未知的路由可能出现在全局路由表,以及管理VRF路由表中。 未知路由出现在全局路由表 Show ip routeExtended Host Mode is enabledCodes: L - local, C - connected, S - static, R - RIP, M - mobi...
回复: clear arp-cache x.x.x.x 无法清除arp表
08-20-2023
当交换机开启IP routing后,使用clear ip arp后交换机会自动发送arp询问地址是否存在,所以会一直看到arp表象,如果关闭ip routing则不会发送arp。
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