02-03-2018 06:35 AM - edited 03-05-2019 09:52 AM
I am unable to ping R2 from R4,i had removed routing from R4 and considered it as an end device.Please help me why i can't ping R2 from R4,what is the problem,80.0.0.1 is taken as loopback on R2.Im getting the error as (UNRECOGNISED HOST OR ADDRESS,PROTOCOL NOT DEFINED) on pinging R2 from R4.
02-03-2018 07:06 AM - edited 02-03-2018 07:06 AM
Post router configs and diagram of connectivity.
Jon
02-03-2018 08:10 AM - edited 02-03-2018 08:11 AM
Are any interfaces on device from which you are trying to ping in up up state?
02-04-2018 07:32 AM
02-07-2018 07:56 AM - edited 02-07-2018 08:00 AM
Similar messages I saw only in the case that IP address is not present on device, or all interfaces are down. I guess this is root cause for warning message.
This was output with interfaces down, no IP addresses present on router.
ping 1.1.1.1
% Unrecognized host or address, or protocol not running.
So, can you, please, provide running configurations?
02-04-2018 07:38 AM
Hello,
do you have ip routing enabled globally ?
R4#conf t
R4(config)#ip routing
?
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