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FS#95 - system looses IPv6 prefix after valid_lft reaches 0 #7088
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cp: The workaround for this is :
It is an old bug (still present) in kernel 4.4.15 (at least) |
satlan: I can confirm it's happening on my current LEDE build (WNDR3700). I can't pinpoint exactly when it started however. And the above workaround worked. I've made it permanent for now. |
bendavid: I also have this problem on LEDE Reboot SNAPSHOT r2803-b9857b21c2 |
baurmatt: I'm still seeing those issues: Client: Router: Using LEDE Reboot (17.01.4, r3560-79f57e422d) Can this please be reopened? |
baurmatt: |
lynxis: @matthias, does this still occurs? |
cp: This has been fixed in the latest kernel. I can confirm this and this can indeed be closed. |
cp:
Trunk odhcp6c somehow lets the valid-lifetime of interface expire and the prefix if the quite logically getting dropped from the interface.
This has been tested on several types of interfaces ethernet copper , SFP modules , GEPON ONU SFP
and various versions of OpenWRT all resulting in the same loss of prefix.
The same tests performed on Virtual Machines running OpenWRT kernel 4.4.7 x86_64
The VM behave normally which is difficult to explain except by the difference of architecture and drivers ?
I believe that LEDE has the same problem.
I will give configuration for LEDE/OPENWRT to test with later on.
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