Avatar of OAC Technology
OAC TechnologyFlag for United States of America asked on

Packet loss and network congestion when running DNSMASQ on PFsense

We are having a strange problem in which when we run dnsmasq on our pfsense box, we experience massive network congestion and packet loss. We have one pfsense box with two network cards and when we enable dnsmasq, our ISP drops 85% of the packets and ping times shoot up near 1000ms. As soon as I stop the dnsmasq service, packet loss is 0% and average ping time is 45ms.

We have a second pfsense box that only has one network card and when dnsmasq is enabled, we lose massive amounts of packets on our local network and our ping times internally shoot up past 4000ms. What in the world could cause this? As soon as dnsmasq is stopped, the problem goes away.
Linux NetworkingNetworkingSoftware Firewalls

Avatar of undefined
Last Comment
sweetfa2

8/22/2022 - Mon
ASKER CERTIFIED SOLUTION
sweetfa2

Log in or sign up to see answer
Become an EE member today7-DAY FREE TRIAL
Members can start a 7-Day Free trial then enjoy unlimited access to the platform
Sign up - Free for 7 days
or
Learn why we charge membership fees
We get it - no one likes a content blocker. Take one extra minute and find out why we block content.
See how we're fighting big data
Not exactly the question you had in mind?
Sign up for an EE membership and get your own personalized solution. With an EE membership, you can ask unlimited troubleshooting, research, or opinion questions.
ask a question
Experts Exchange is like having an extremely knowledgeable team sitting and waiting for your call. Couldn't do my job half as well as I do without it!
James Murphy