which IOS will serve your router depens first on the hardware and flash memory and second on the IOS features wich will be needed. To get the hardware information enter the "show version" command on the command line interface. Most important is the info about the flash memory because
the size of the IOS must fit into the flash memory.
You also must identify the protocols you need (only IP or also IPX, Decnet etc.)
at Your router prompt enter the command show version and check the following:
cisco 1601 (68360) processor (revision C) with 13824K/4608K bytes of memory - You have to have at least 12 MB of RAM to run IOS 12.1 on 1600 series,
Configuration register is 0x2102 - if Your value is different, router might not boot from flash and load ROM image (Boot Helper) instead. If it is different, in configuration mode enter the command config-register 0x2102 and reload Your router.
Question We run asr9001 with XR 6.1.3, and we have a very long delay to
login w/ SSH 1 or 2 to the device compare to IOS device. After
investigation, the there is 1s delay between the client KEXDH_INIT and
the server (XR) KEXDH_REPLY. After debug ssh serv...
Introduction The purpose of this document is to demonstrate the Open
Shortest Path First (OSPF) behavior when the V-bit (Virtual-link bit) is
present in a non-backbone area. The V-bit is signaled in Type-1 LSA only
if the router is the endpoint of one or ...
Hi, I am seeing quite a few issues with patch install and wanted to
share my experience and workaround to this. Login to admin via CLI, then
access root with the “shell” command Issue “df –h” and you’ll probably
see the following directory full or nearly ...