06-19-2014 05:00 AM - edited 03-03-2019 07:27 AM
I need to configure subinterfaces on the following devices Cisco 800 and Catalyst 2960, but when I am trying to configure it on the router, it gives the following mistakes:
router (config)# int fa0.100
Invalid input detected.
What's wrong?
06-19-2014 07:39 AM
Hi ,
Share me following outpur from your router
show version
show idb
Looks like you need to upgrade your IOS .
HTH
Sandy
06-19-2014 08:27 PM
Version - Cisco IOS Software, C870Software (C870-AdverpserviceSK9-M), Version 12.4(24)TB
Do u think that is because of the version?
06-20-2014 12:29 AM
Hi
IOS supports subinterface , share me show version & show runn config of your device .
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