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Cisco router 1921/k9 internet connection dropping

arubio4
Level 1
Level 1

Hello i have cisco 1921/k9 when i first do a factory reset and configure  the router the internet works until the next day then i have no internet connection. I am using cable modem connection with spectrum which is my isp. 

i am using the following commands

conf t 

int g0/0

ip address dhcp i obtain ip on fresh erase if i try to issue the command the router wont obtain an ip from the modem 

also I would like to add that I tried to add static ip and did not work 

5 Replies 5

liviu.gheorghe
Spotlight
Spotlight

Hello @arubio4 ,

Have you tried asking the ISP? Is this the ISP recommended configuration for your router?

Regards, LG
*** Please Rate All Helpful Responses ***

I am on dynamic ip address from isp 

debug dhcp packet <<- share this 

MHM

Which commands should i use for that 

debug dhcp packet 

MHM

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