1.把更新包放到TFTP服务器目录下
2.连接交换机的电脑设置一个同样的地址。
3.设置交换机上连接电脑的端口的地址，要在同一个网段
Xier-Server-SW02(config-if)# int g0/29
Xier-Server-SW02(config-if)#no switchport ##不关闭交换端口，无法设置地址
Xier-Server-SW02(config-if)#ip address 172.16.100.3 255.255.255.0
Xier-Server-SW02(config-if)#do ping 172.16.100.2 ##ping一下电脑地址看看通不通
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.100.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 3/3/3 ms
Xier-Server-SW02(config-if)#end
Xier-Server-SW02#copy tftp:c2960l-universalk9-mz.152-7.E4.bin flash: ## 这里复制一下文件名
Address or name of remote host []? 172.16.100.2 ##输入一下电脑的地址
Destination filename [c2960l-universalk9-mz.152-7.E4.bin]? ##直接回车
Accessing tftp://172.16.100.2/c2960l-universalk9-mz.152-7.E4.bin...
Loading c2960l-universalk9-mz.152-7.E4.bin from 172.16.100.2 (via GigabitEthernet0/29): !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ##等待上传
[OK - 16243712 bytes]
16243712 bytes copied in 162.663 secs (99861 bytes/sec)
Xier-Server-SW02#show flash: ##查看一下上传的文件
Directory of flash:/
770 -rwx 16243712 Nov 26 2021 09:12:03 +00:00 c2960l-universalk9-mz.152-7.E4.bin ## 在这
257 -rwx 2072 Nov 26 2021 07:45:15 +00:00 multiple-fs
516 drwx 2048 Feb 27 2020 16:19:29 +00:00 c2960l-universalk9-mz.152-6.E2b
749 drwx 2048 Feb 27 2020 16:19:29 +00:00 dc_profile_dir
258 -rwx 34 Apr 15 2020 07:52:16 +00:00 pnp-tech-time
515 -rwx 35978 Apr 15 2020 07:52:18 +00:00 pnp-tech-discovery-summary
260 -rwx 916 Apr 15 2020 07:52:53 +00:00 vlan.dat
782 -rwx 6690 Aug 29 2021 01:43:00 +00:00 config.text
783 -rwx 1922 Aug 29 2021 01:43:00 +00:00 private-config.text
2 drwx 2048 Mar 1 1993 00:00:02 +00:00 lost+found
244711424 bytes total (181399552 bytes free)
Xier-Server-SW02#config t
Xier-Server-SW02(config)#boot system flash:c2960l-universalk9-mz.152-7.E4.bin ##更新它
Xier-Server-SW02(config)#do wr ##保存
Building configuration...
[OK]
Xier-Server-SW02(config)#do reload
Proceed with reload? [/confirm/i]
Xier-Server-SW02#sh ver
Cisco IOS Software, C2960L Software (C2960L-UNIVERSALK9-M), Version 15.2(7)E4, RELEASE SO ##再看一下 更新好了
