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Aredwood
3885 posts

Uber Geek


  #2136389 29-Nov-2018 07:46

Maybe I need to post my config in this thread. As my IPv6 is still working just fine. Even though it is just based on Michaelmurfy's Edgerouter thread.

Unless I have somehow got a unique profile at 2degrees. Although I doubt that would be the case.







Benoire
2798 posts

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  #2136397 29-Nov-2018 08:25
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I'm not even using a custom config, mine is set in the controller software but it failed last night and hadn't come back this morning.


llama233

15 posts

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  #2136422 29-Nov-2018 09:35
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Aredwood: Maybe I need to post my config in this thread. As my IPv6 is still working just fine. Even though it is just based on Michaelmurfy's Edgerouter thread.

Unless I have somehow got a unique profile at 2degrees. Although I doubt that would be the case.

 

 

 

I'm interested in what version of the firmware you're running - I'm happy to downgrade if an older version is more stable.




evilonenz
/dev/urandom
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  #2136423 29-Nov-2018 09:37
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Aredwood: Maybe I need to post my config in this thread. As my IPv6 is still working just fine. Even though it is just based on Michaelmurfy's Edgerouter thread.

Unless I have somehow got a unique profile at 2degrees. Although I doubt that would be the case.

 

 

 

My thoughts exactly, my config is very generic, and based off of the guides config too, with zero IPv6 issues since the ONT upgrades.

 

I'm running 1.10.7 FYI.





Smokeping

 

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NickMack
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  #2136428 29-Nov-2018 09:52
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evilonenz:

 

Aredwood: Maybe I need to post my config in this thread. As my IPv6 is still working just fine. Even though it is just based on Michaelmurfy's Edgerouter thread.

Unless I have somehow got a unique profile at 2degrees. Although I doubt that would be the case.

 

 

 

My thoughts exactly, my config is very generic, and based off of the guides config too, with zero IPv6 issues since the ONT upgrades.

 

I'm running 1.10.7 FYI.

 

 

Hi All,

 

Sounds like a plan, let's see where you get to. If necessary after this, we can grab some packet captures and escalate to Chorus, however I need some solid proof/evidence there is any issue with the Chorus firmware since the upgrades, if we identify an issue, there wont be a quick fix to this based on recent history.

 

Nick.





Benoire
2798 posts

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  #2136435 29-Nov-2018 09:55
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BTW I'm not on Fibre, but VDSL and getting the IPv6 drops.


NickMack
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  #2136457 29-Nov-2018 10:11
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Benoire:

 

BTW I'm not on Fibre, but VDSL and getting the IPv6 drops.

 

 

Let's isolate you :-) Can you call please into Customer Care and log a ticket (0800 022 022).

 

Nick.





 
 
 

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evilonenz
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  #2136485 29-Nov-2018 10:32
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NickMack:

 

evilonenz:

 

Aredwood: Maybe I need to post my config in this thread. As my IPv6 is still working just fine. Even though it is just based on Michaelmurfy's Edgerouter thread.

Unless I have somehow got a unique profile at 2degrees. Although I doubt that would be the case.

 

 

 

My thoughts exactly, my config is very generic, and based off of the guides config too, with zero IPv6 issues since the ONT upgrades.

 

I'm running 1.10.7 FYI.

 

 

Hi All,

 

Sounds like a plan, let's see where you get to. If necessary after this, we can grab some packet captures and escalate to Chorus, however I need some solid proof/evidence there is any issue with the Chorus firmware since the upgrades, if we identify an issue, there wont be a quick fix to this based on recent history.

 

Nick.

 

 

Sounds like a plan, must be frustrating for the people involved! I'll get a copy of my configuration up shortly.





Smokeping

 

Referral Links:

 

Quic - Use code R536299EPGOCN at checkout for free setup
Contact Energy - Use code FRTQDXB for $100 credit


evilonenz
/dev/urandom
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  #2136623 29-Nov-2018 14:16
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Copy of my config here: https://omg.geek.nz/misc/router.txt

 

 

 

Hopefully helps out.





Smokeping

 

Referral Links:

 

Quic - Use code R536299EPGOCN at checkout for free setup
Contact Energy - Use code FRTQDXB for $100 credit


llama233

15 posts

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  #2136633 29-Nov-2018 14:40
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evilonenz:

 

Copy of my config here: https://omg.geek.nz/misc/router.txt

 

 

 

Hopefully helps out.

 

 

 

 

Thanks for posting that - my config is almost identical (I didn't have "dup-addr-detect-transmits 1" and IPv6 pppoe offload set, and have an IPv6 SSH rule but is otherwise the same), I've tweaked mine to be the same as yours where it differed. I'm also on firmware 1.10.7

 

 

 

It's currently working over IPv6 (after making those two changes) so will see if it stays that way.

 

 

 

Cheers,

 

Andrew


vulcannz
436 posts

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  #2136748 29-Nov-2018 17:38
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fe31nz:

 

vulcannz:

 

I restarted my box, this did not fix the issue. I changed the WAN IPv6 interface from static to DHCPv6, this then fixed the connection. Then I changed it back to Static and connection stays up.

 

 

 

Note this still happens when the WAN interface is set to DHCPv6. Could it be related to RA timings/expiration's?

 

 

 

 

Since the latest update to the Junipers you are connecting to, you will not get an IPv6 connection until you have done a DHCPv6 request to the Juniper.  I previously had my ERL set up with my static IPv6 addresses, and when the new firmware was installed, I lost the IPv6 connection.  To restore it, I kept the static addresses I am using, but also added some config to get the ERL to request a DHCPv6 delegation.  The new config does nothing with the delegated prefix - it just throws it away.  But until it is requested, the Juniper now refuses to route IPv6 packets, even if you have a static IPv6 assignment.  My guess is that every time the PPPoE connection needs to be reestablished, you will need to request a DHCPv6 delegation.

 

 


This makes sense. But I don't think it is to do with establishing the PPPoE connection, I believe it is the IP address valid lifetime expiring. I can do DHCPv6 but as the DHCPv6 service doesn't assign a global IP and gateway the box (sonicwall) doesn't assign a global IP automagically itself (which the Fritz does). It still works as traffic is routed over the LL address anyway, but I lose some capability (like logical probe monitoring).

 

Next step is to figure out if the DHCPv6 (ignoring the global IP issue) is stable. I'm capturing DHCPv6 packets, is there any point in grabbing RAs as well?

 

 


michaelmurfy
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  #2136751 29-Nov-2018 17:46
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@evilonenz @llama233 That is the same configuration I have also. I hardly have any problems (can count 2 since this thread started). No biggie really.





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fe31nz
1230 posts

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  #2136908 29-Nov-2018 23:34
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vulcannz:

 

fe31nz:

 

vulcannz:

 

I restarted my box, this did not fix the issue. I changed the WAN IPv6 interface from static to DHCPv6, this then fixed the connection. Then I changed it back to Static and connection stays up.

 

 

 

Note this still happens when the WAN interface is set to DHCPv6. Could it be related to RA timings/expiration's?

 

 

 

 

Since the latest update to the Junipers you are connecting to, you will not get an IPv6 connection until you have done a DHCPv6 request to the Juniper.  I previously had my ERL set up with my static IPv6 addresses, and when the new firmware was installed, I lost the IPv6 connection.  To restore it, I kept the static addresses I am using, but also added some config to get the ERL to request a DHCPv6 delegation.  The new config does nothing with the delegated prefix - it just throws it away.  But until it is requested, the Juniper now refuses to route IPv6 packets, even if you have a static IPv6 assignment.  My guess is that every time the PPPoE connection needs to be reestablished, you will need to request a DHCPv6 delegation.

 

 


This makes sense. But I don't think it is to do with establishing the PPPoE connection, I believe it is the IP address valid lifetime expiring. I can do DHCPv6 but as the DHCPv6 service doesn't assign a global IP and gateway the box (sonicwall) doesn't assign a global IP automagically itself (which the Fritz does). It still works as traffic is routed over the LL address anyway, but I lose some capability (like logical probe monitoring).

 

Next step is to figure out if the DHCPv6 (ignoring the global IP issue) is stable. I'm capturing DHCPv6 packets, is there any point in grabbing RAs as well?

 

 

As I said, I am using static IPv6 addreses, including on my WAN port.  My ERL is just doing the DHCPv6 request and discarding the result.  I am guessing that when the DHCPv6 delegation expires, the Juniper will stop routing IPv6 packets from you.  So I would suggest just putting in a DHCPv6 setup that ignores the resulting delegated prefix and see if that fixes your problem.  The code that handles the DHCPv6 delegation in your router should automatically send a further request when the delegation gets old enough, and prevent it from expiring.


Tracer
343 posts

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  #2137716 1-Dec-2018 10:27
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vulcannz:

 

fe31nz:

 

vulcannz:

 

I restarted my box, this did not fix the issue. I changed the WAN IPv6 interface from static to DHCPv6, this then fixed the connection. Then I changed it back to Static and connection stays up.

 

 

 

Note this still happens when the WAN interface is set to DHCPv6. Could it be related to RA timings/expiration's?

 

 

 

 

Since the latest update to the Junipers you are connecting to, you will not get an IPv6 connection until you have done a DHCPv6 request to the Juniper.  I previously had my ERL set up with my static IPv6 addresses, and when the new firmware was installed, I lost the IPv6 connection.  To restore it, I kept the static addresses I am using, but also added some config to get the ERL to request a DHCPv6 delegation.  The new config does nothing with the delegated prefix - it just throws it away.  But until it is requested, the Juniper now refuses to route IPv6 packets, even if you have a static IPv6 assignment.  My guess is that every time the PPPoE connection needs to be reestablished, you will need to request a DHCPv6 delegation.

 

 


This makes sense. But I don't think it is to do with establishing the PPPoE connection, I believe it is the IP address valid lifetime expiring. I can do DHCPv6 but as the DHCPv6 service doesn't assign a global IP and gateway the box (sonicwall) doesn't assign a global IP automagically itself (which the Fritz does). It still works as traffic is routed over the LL address anyway, but I lose some capability (like logical probe monitoring).

 

Next step is to figure out if the DHCPv6 (ignoring the global IP issue) is stable. I'm capturing DHCPv6 packets, is there any point in grabbing RAs as well?

 

 

 

 

That matches what I've seen on my Mikrotik too. I've also just set up static assignments and don't use the delegated prefix for anything.


Eitsop
583 posts

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  #2137966 1-Dec-2018 22:40
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@nickmack do you use this method on juniper servers
Dual Stack That Uses DHCPv6 IA_NA and DHCPv6 Prefix Delegation over PPPoE
https://www.juniper.net/documentation/en_US/junos/topics/example/dual-stack-dhcpv6-pd-iana.html


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