OpenWrt/LEDE Project

  • Status Unconfirmed
  • Percent Complete
    0%
  • Task Type Bug Report
  • Category Base system
  • Assigned To No-one
  • Operating System All
  • Severity High
  • Priority Very Low
  • Reported Version openwrt-21.02
  • Due in Version Undecided
  • Due Date Undecided
  • Private
Attached to Project: OpenWrt/LEDE Project
Opened by ThomasCr - 07.11.2021

FS#4128 - ipv6 broken on Xiaomi Redmi AC2100

Most of my clients can’t connect with my dual stack internet connection with IPv6.

I tested now a lot, but cant get it working on my Xiaomi Redmi AC2100.

When I ping outside (eg. to google.com) with IPv6 I never get a answer back.

When I run tcpdump on the Gateway running OpenWRT 21.02 (tested now with rc4 to .1) I see the packets leaving the wan interface and I also see the answers on the wan interface.

But the answers don’t come back to the lan interface.

I tested to enable/disable source based policy routing
I tested to enable/disable network.globals.packet_steering

I also have flow offloading switched off!

First I was thinking, is works with windows, but this seams just we random - what is working and what not... now it is also not working on my windows - where it was working before (the screenshots come from that installation)

The problem is also reported to the forum at https://forum.openwrt.org/t/ipv6-issue-with-dsa/107138

ThomasCr commented on 07.11.2021 17:50

Oh and `ip monitor` reports me also, that it fails to reach the internals ipv6 address

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