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[public-dns-discuss] Re: With Google Public DNS the ratio of DNS requests to DNS response is high

Thank you so much Alex for the prompt response on my post, kindly help and throw more light on the limitations, do you implement DoS in your security solutions? if yes what are the limitations imposed (like how many requests do you expect from one public IP) for us to redesign our NAT solution.

On Thursday, January 24, 2019 at 9:19:51 PM UTC+2, Masajjage robert kasoma wrote:
Connectivity Tests: Very fine (no packet Loss)

Check the attached ping test results.

UGW DNS traffic KPI is abnormal, the number of DNS response is so less compared to the number requests ... check below graphical presentations.


Network Design:

At the firewall, there is a NAT of Many Private IPs to a few Public IP.

We would like to know what is causing this less response to our many requests sent to Google DNS.

Robert K M

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