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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

VMG1312-B10A: Bugs: Difference between revisions

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Overview: We have had a number of customers report that after a while (many days) of working fine, IPv6 stops working.
 
Rebooting the router, or restoring a saved config does not solve the problem, it starts up with the same state. One thing which seems to fix it (until is stops again niin a few days time) is sending a the config file from AAISP via the Control Pages (this sends a config via the TR069 protocol). This may point the fault being in the config file.
 
In the broken state, the Status page on the router will show a blank IPv6 address under LAN Information. Logs from the AAISP side show the router regularly asking for and being sent IPv6 details, but it fails to apply these to its LAN interface. A clue, is that running 'ps' from the CLI, dhcp6c will not be running in the broken state.
##Router admin > Broadband > AAISP-VDSL (or AAISP-ADSL if you are on ADSL)
##change the IPv6 Address from Automatic to Static, paste in the router's WAN IPv6 address (and 64 in "prefix length").
##IPv6 will still be lost if PPP reconnects, it should be ok after a reboot of the router though. This is related to the 'IPv6 RA on LAN' issue described above on this page.
#Instead of the above, try disabling QoS
 
*2015-07-13 We suspect that this may be a configuration issue, we are asking affected customers to contact us and share their config files so we can analyse them
*2015-07-13 It may only be affecting customers who make further changes to the configuration after our own config file has been sent. Yet to be confirmed though
*2016-03-11 This is in hand with ZyXEL.
 
====Resolution====
autoreview, Bureaucrats, editor, Interface administrators, reviewer, Administrators
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