Router CH6640E unstable connection

[Pavitra]

Dear Vodafone community,

I have a CH6640E router for the internet connection at  XXX. I was using it for more than 3 years, and everything was running fine. 

For the last 20 days, the connection drops from 5 green lights to one green light, and then it automatically connects. This keeps repeating almost every five minutes. I have tried resetting, checking the cable, and restarting the router. Nothing has solved the issue. Could someone help with it? 

Best regards,

Pavitra

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[Kurtler]

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Best regards Kurt