问题思科路由器isr4431-k9无法使用NIM-ES2-4板卡。经wolf大神指点，最终确认是需要升级到相关IOS才能支持。 说明：1、问题：NIM-ES2-4插入路由器后提示out of serviceshow platform 2、要求版本IOS-XE 16.4.1,我的版本Version 16.03.06   3、ROMMON版本ROMMON version 15.4(3r)S 遇到的问题：强行启动新的IOS发现无法启动，查了相关资料，需要先升级rommon。但升级ROMMON时出现以下...

Hi, All guy.I bought two new cisco router 4431. But they alway reboot after I used they in core network（I have been scolded by my boss many times for this fault.） The story begins：======================================================================...