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FS#1844 - R7800 ipv6 connectivity #6777
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hnyman: To my knowledge there is no device-specific IPv6 problem with R7800.
root@router1:~# grep r /etc/banner
OpenWrt SNAPSHOT, r8059-8cac857289
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lbdroid: I'm getting the same behavior with a TP-Link Archer C2600. |
Line40: @hannu Nyman: First, I don't think this is a proper bug report, you didn't provide any info on your setup. You should ask things like these in the forums and see if someone can solve your issue, or if the conversation reveals it to really be a bug. Nonetheless maybe you're having the same issue as me. In my case there is an upstream router from my ISP providing IPV6 addresses, and my OpenWRT box was always loosing ipv6 connectivity after a certain time. Like in your case, when running tcpdump everything would work, then after shutting down tcpdump the connection would drop again after a while. |
This issue is for a EOL release, please comment if this bug still affects you in currently supported releases. |
mario-ragucci-sp:
Hello,
ipv6 does not work properly on my Netgear R7800. I am running OpenWrt 18.6.1. The device gets a ipv6 address assigned, but I cannot ping any ipv6 address. Furthermore, I get the following error:
ping6 google.de
PING google.de (2607:f8b0:4000:817::2003): 56 data bytes
ping6: sendto: Permission denied
After running the command
tcpdump -i eth0 -vv
for some time, ipv6 connectivity works, I am able to ping an ipv6 address, also pinging from another host and establishing v6 connections is working.
ping6 google.de
PING google.de (2607:f8b0:4000:817::2003): 56 data bytes
64 bytes from 2607:f8b0:4000:817::2003: seq=0 ttl=51 time=118.360 ms
64 bytes from 2607:f8b0:4000:817::2003: seq=1 ttl=51 time=118.626 ms
However, after some time, this is not working anymore and I have to restart the tcpdump command.
This must be a device specific issue, since my other Netgear Router (WNDR3700) running 18.06.1 is working flawlessly.
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