- ping (X), TFTP(X) —- icmp drop & set ipddress / set subnet dismatch or not insert yet
- ping (O), TFTP (X) —- PC Firewall drop // my windows defend down status
====>> PC primium security firewall activate - ping (O), TFTP(O) —- PC Firewall add policy // my windows defend down status
- etc : and /windows/system32/drivers/etc/hosts
write hangul detail description 한글로 적는 상세 내용. 스위치 ios가 날아감. bootrom 모드로 무한 재기동. flash: 에 위치한 모든 파일이 삭제됨. 그래서, 다른 스위치 OS의 bin 파일을 다운 받았습니다. 1. SWITCH: ROMMON MODE BOOTING 2. 방법은 2가지 - 1) BOOT TFTP:192.168.0.121/~~~OS~~~.bin <<file - 2) copy tftp:/192.168.0.121/~~~OS~~~~.bin flash: 로 파일 복사하여 boot 기동을 flash:로 진행하는 방법 - 2-1) set BOOT=flash:~~~OS~~~~.bin - 2-2) BOOT
FINISH!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!SUCCESS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!OYEEEEEEE!!!!!!!!
<<<modified>>>
reboot after -> you must download IoS switch main flash:
bootrom <- switch: set BOOT=flash:cat9k_lite_iosxe.16.09.03.SPA.bin
switch# no bootrom manual
=====setting mgmt setting=====
upload tftp filesize : (MIN)4096-8192(MAX)
https://www.cisco.com/c/en/us/support/docs/wireless/5760-wireless-lan-controller/117636-technote-tftpfile-00.html
https://community.cisco.com/t5/network-management/tftp-speed-increase/td-p/2250671
※ you can enable ssh or enable telnet -> multi ssh upload
.bin & .pkg file upload after
You must “BOOT=flash:pacakage.conf”
Switch>
Switch>enable
switch#conf t
switch(config)#no boot manual
switch(config)#end
switch#reload
[confirm] <enterenter
You must reload after write memory
source site
https://community.cisco.com/t5/switching/error-opening-tftp-timed-out/td-p/2255647
https://community.cisco.com/t5/switching/how-to-tftp-an-ios-into-switch-via-laptop/td-p/1223350