IT 이야기/Packet Tracer or GNS32 Cisco IOS Upgrade to 16.x from 3.x for IOS XE - Pre-requisites : For IOS XE 16.x, the router must be running a minimum version of 16.2(1R) of ROMMON : This upgrade procedure only applies to the ISR 4000 series of routers : Will need to download the IOS image and upload the image to the ISR 4000's bootflash : Will need to download the latest ROMMON image and upload to the ISRO 4000's bootflash - Upgrade 1. check the version of ROMMON current.. 2021. 8. 30. [GNS3] EIGRP summarization without Null0 EIGRP always creates a route to the Null0 interface when it summarizes a group of routes. Whenever a routing protocol summarizes, this means the router might receive traffic for any IP address within that summary. Null 0 is a virtual interface that is used to guarantee routes make it into the RIB; routes must have a next-hop in order to make it into the RIB. When a packet arrives at a device tha.. 2020. 12. 31. 이전 1 다음
