[FS#4111] Software NAT offloading causing random high packet times on WNDR3700v4

OpenWrt Bugs openwrt-bugs at lists.openwrt.org
Mon Oct 25 23:17:20 PDT 2021


A new Flyspray task has been opened.  Details are below. 

User who did this - wutno (GXTX) 

Attached to Project - OpenWrt/LEDE Project
Summary - Software NAT offloading causing random high packet times on WNDR3700v4
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - openwrt-21.02
Due in Version - Undecided
Due Date - Undecided
Details - Just upgraded from 19.07 to 21.02.0 on my WNDR3700v4 and noticed I was getting kicked from my IRC bouncer. I couldn't catch it as a drop rather when doing a simple ping to my server I'd see random 3 second ping.
Disabling NAT offloading I do not see this.
Using a service such as packetlosstest.com and enabling offloading I see the drops, as soon as I disable offloading it completes successfully.

I did not have this issue on 19.07 and would love to use this feature as it allows me to actually get the /full speed/ my ISP offers.
If there's anything else you'd like me to try or some logs I could generate I'd be glad.

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