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NetFixer
From my cold dead hands
Premium
join:2004-06-24
The Boro
Reviews:
·Cingular Wireless
·Comcast Business..
·Vonage
·Comcast

2 edits

[IPv6] IPv6 problems with router's factory MAC address

At 0:dark:thirty this morning, I was doing some equipment shuffling that required me to temporarily disconnect my D-Link DIR655 router. It appeared to survive the disconnect and it reported that it was back online after it was reconnected. However, I did notice that its network IPv6 PD prefix had changed from 2601:5:C80:90::/64 to 2601:5:C80:A0::/60 as shown in the two screen shots below.


Old



New


With the new 2601:5:C80:A0::/60 PD prefix, my outbound IPv6 connectivity terminated at the DIR655's LAN, but I could do pings to IPv6 hosts on the Internet from the DIR655's internal ping test page. Connected PCs were receiving an IPv6 address in the 2601:5:C80:A1::/64 range, but they could not get traffic past the router's LAN. The DIR655 did however respond to IPv6 pings on its LAN using both the local and Internet IP addresses. The router's IPv4 WAN address did not change, and IPv4 connectivity was not effected.

I tried everything I could think of to get IPv6 connectivity back again:

Disabling and re-enabling the DIR655's IPv6 firewall made no difference.

Factory default reset on the DIR655, and minimal manual config didn't help.

Factory default reset on the DIR655, reverting the firmware to the 2.03 level mentioned in the Comcast documentation at »mydeviceinfo.comcast.net/?homegateway followed by minimal manual config didn't help either.

I also tried using Comcast's 6to4 tunnel instead of native IPv6, with similar negative results.

All of the above things were tried with the DIR655 isolated from my network with only a single notebook PC attached, so there was no interaction with anything on my network. During this time, I reverted my network to use my old Netgear WNR1000v2-VC, and neither it nor devices behind it had problems with native IPv6 connectivity.

Finally, in desperation, I cloned the DIR655's WAN MAC with the MAC address from a retired D-Link DVG5102s VoIP ATA (because I have seen MAC cloning fix weird Comcast network/routing problems). After doing that, my IPv4 IP address changed as expected (previously that had not changed), and my network IPv6 PD prefix changed to 2601:5:C80:84::/64 as shown below.


Cloned


With the cloned MAC address, everything works as expected (and I was also to upgrade back to the latest 2.10 firmware release), but if I change back to the original factory MAC address (which had previously been working just fine), the IPv6 problem returns.

This post is primarily just a "heads up" to anyone who might suddenly find their IPv6 connection no longer works (even though the parameters seem to be correct). I am not necessarily looking for help, since I consider the cloned MAC address to be a "fix" (although it should not be required). I will however work with any Comcast tech who wants to do a postmortem to find out why it is happening.

FWIW, while the culprit might seem to be the "/60" PD assignment, I previously have received "/60" PD assignments on this router (it is totally random whether I get a "/60" or a "/64"...it happens with no changes on my end) and did not experience any problems because of it.
--
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When governments fear people, there is liberty. When the people fear the government, there is tyranny.

voiptalk

join:2010-04-10
Gainesville, VA

It may be a SWAG, but what makes sense is ....

The /60 that initially caused the problem was not being properly inserted into the CMTS and traffic was unable to route back to you.

Changing the MAC also changed the DUID. That gave you a new PD assignment that was routing properly.

When you changed it back, the old DUID re-appeared and you got the bad addressing back.

So, it's not really the MAC address, per se. But, the DUID value that is derived from it.

Thoughts?



NetFixer
From my cold dead hands
Premium
join:2004-06-24
The Boro
Reviews:
·Cingular Wireless
·Comcast Business..
·Vonage
·Comcast

said by voiptalk:

It may be a SWAG, but what makes sense is ....

The /60 that initially caused the problem was not being properly inserted into the CMTS and traffic was unable to route back to you.

Changing the MAC also changed the DUID. That gave you a new PD assignment that was routing properly.

When you changed it back, the old DUID re-appeared and you got the bad addressing back.

So, it's not really the MAC address, per se. But, the DUID value that is derived from it.

Thoughts?

True enough with regards to what happened after I cloned a different MAC address into the DIR655's WAN, but the problem occurred with absolutely no changes to the DIR655 on my end. All I did was to power cycle the DIR655 (something that I have literally done 100's of times previously with no problems getting a usable IPv6 connection). There was no reason for the DUID to to have changed (and looking at the saved logs, I don't see where it changed until I cloned the MAC address), or for Comcast to arbitrarily change the PD prefix (or its allocation length).

Here are syslog excerpts showing the last refresh for the PD prefix 2601:5:c80:90::/64 assignment, the first occurrence of the PD prefix 2601:5:c80:a0::/60 assignment, and the assignment of the PD prefix 2601:5:c80:84::/64 for your enjoyment (or for anyone else who is curious):


# This log section shows a normal refresh for the 2601:5:c80:90::/64 assignment.
# (the last one before the PD prefix changed)
 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: ia_timo: IA timeout for NA-88925952, state=ACTIVE 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: dhcp6_reset_timer: reset a timer on eth0.1, state=RENEW, timeo=0, retrans=9548 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: client6_send: a new XID (aa6136) is generated 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: copy_option: set client ID (len 10) 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: copy_option: set server ID (len 14) 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: copyout_option: set IA address 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: copyout_option: set identity association 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: copy_option: set elapsed time (len 2) 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: copy_option: set option request (len 10) 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: copy_option: set opt_20 (len 0) 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: client6_send: send renew to ff02::1:2 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: client6_recv: receive reply from fe80::201:5cff:fe3c:f441 on eth0.1 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: dhcp6_get_options: get DHCP option client ID, len 10 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog:   DUID: 00:03:00:01:1c:7e:e5:4c:e7:00 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: dhcp6_get_options: get DHCP option server ID, len 14 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog:   DUID: 00:01:00:01:15:8b:8b:ff:14:fe:b5:cf:19:10 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: dhcp6_get_options: get DHCP option identity association, len 40 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog:   IA_NA: ID=88925952, T1=1800, T2=2880 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: copyin_option: get DHCP option IA address, len 24 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: copyin_option:   IA_NA address: 2001:558:6016:19:7c8b:7302:8e6b:42a0 pltime=3600 vltime=3600 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: dhcp6_get_options: get DHCP option opt_20, len 0 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: dhcp6_get_options: unknown or unexpected DHCP6 option opt_20, len 0 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: dhcp6_get_options: get DHCP option authentication, len 28 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog:   proto: reconfig, alg: HMAC-MD5, RDM: mono counter, RD: 4134 25f8 000a c968 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: reconfig type: 1, offset: 96 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: dhcp6_get_options: get DHCP option DNS, len 32 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: info_printf: nameserver[0] 2001:558:feed::1 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: info_printf: nameserver[1] 2001:558:feed::2 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: get_ia: update an IA: NA-88925952 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: update_address: update an address 2001:558:6016:19:7c8b:7302:8e6b:42a0 pltime=3600, vltime=3600 
Feb 03 23:25:07 192.168.9.254 Feb  3 23:25:12 syslog: client6_recvreply: executes /etc/dhcp6c-script 
Feb 03 23:25:08 192.168.9.254 Feb  3 23:25:12 syslog: client6_script: script "/etc/dhcp6c-script" terminated 
Feb 03 23:25:08 192.168.9.254 Feb  3 23:25:12 syslog: dhcp6_remove_event: removing an event on eth0.1, state=RENEW 
Feb 03 23:25:08 192.168.9.254 Feb  3 23:25:12 syslog: client6_recvreply: got an expected reply, sleeping. 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: ia_timo: IA timeout for PD-88925952, state=ACTIVE 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: dhcp6_reset_timer: reset a timer on eth0.1, state=RENEW, timeo=0, retrans=10571 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: client6_send: a new XID (83f6f2) is generated 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: copy_option: set client ID (len 10) 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: copy_option: set server ID (len 14) 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: copy_option: set elapsed time (len 2) 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: copy_option: set option request (len 10) 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: copyout_option: set IA_PD prefix 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: copyout_option: set IA_PD 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: copy_option: set opt_20 (len 0) 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: client6_send: send renew to ff02::1:2 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: client6_recv: receive reply from fe80::201:5cff:fe3c:f441 on eth0.1 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: dhcp6_get_options: get DHCP option client ID, len 10 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog:   DUID: 00:03:00:01:1c:7e:e5:4c:e7:00 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: dhcp6_get_options: get DHCP option server ID, len 14 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog:   DUID: 00:01:00:01:15:8b:8b:ff:14:fe:b5:cf:19:10 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: dhcp6_get_options: get DHCP option IA_PD, len 41 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog:   IA_PD: ID=88925952, T1=1800, T2=2880 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: copyin_option: get DHCP option IA_PD prefix, len 25 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: copyin_option:   IA_PD prefix: 2601:5:c80:90::/64 pltime=3600 vltime=3600 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: dhcp6_get_options: get DHCP option opt_20, len 0 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: dhcp6_get_options: unknown or unexpected DHCP6 option opt_20, len 0 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: dhcp6_get_options: get DHCP option authentication, len 28 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog:   proto: reconfig, alg: HMAC-MD5, RDM: mono counter, RD: 4134 25f8 000a c96b 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: reconfig type: 1, offset: 97 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: dhcp6_get_options: get DHCP option DNS, len 32 
Feb 03 23:25:10 192.168.9.254 Feb  3 23:25:15 syslog: client6_recvreply: executes /etc/dhcp6c-script 
Feb 03 23:25:11 192.168.9.254 Feb  3 23:25:16 radvd[11100]: Resetting prefix lifetimes 
Feb 03 23:25:11 192.168.9.254 Feb  3 23:25:16 syslog: client6_script: script "/etc/dhcp6c-script" terminated 
Feb 03 23:25:11 192.168.9.254 Feb  3 23:25:16 syslog: dhcp6_remove_event: removing an event on eth0.1, state=RENEW 
Feb 03 23:25:11 192.168.9.254 Feb  3 23:25:16 syslog: client6_recvreply: got an expected reply, sleeping. 
Feb 03 23:26:57 192.168.9.254 Feb  3 23:27:01 syslog: NOIP2: Update DDNS Success 
Feb 03 23:26:57 192.168.9.254 Feb  3 23:27:01 syslog: NOIP2: Update DDNS Success 
Feb 03 23:26:57 192.168.9.254 Feb  3 23:27:02 syslog: NOIP2: Update DDNS Success 
#-------------------------------------------------------------------------------
 
# This log section shows the first time that the 2601:5:c80:a0::/60 PD prefix was assigned.
# It appears that it initially tried to get the PD prefix 2601:5:cc0:40::/60, but that failed.
 
Feb 04 00:38:40 192.168.9.254 Feb  4 00:38:41 syslog: gethwid: found an interface eth0.1 for DUID 
Feb 04 00:38:40 192.168.9.254 Feb  4 00:38:41 syslog: get_duid: generated a new DUID: 00:03:00:01:1c:7e:e5:4c:e7:00 
Feb 04 00:38:40 192.168.9.254 Feb  4 00:38:41 syslog: get_duid: saved generated DUID to /var/dhcp6c_duid 
Feb 04 00:38:41 192.168.9.254 Feb  4 00:38:41 syslog: dhcp6_reset_timer: reset a timer on eth0.1, state=INIT, timeo=0, retrans=920 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: client6_send: a new XID (8ba3ed) is generated 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copy_option: set client ID (len 10) 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyout_option: set identity association 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copy_option: set elapsed time (len 2) 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copy_option: set option request (len 10) 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyout_option: set IA_PD prefix 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyout_option: set IA_PD 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copy_option: set opt_20 (len 0) 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: client6_send: send solicit to ff02::1:2 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_reset_timer: reset a timer on eth0.1, state=SOLICIT, timeo=0, retrans=1052 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: client6_recv: receive advertise from fe80::201:5cff:fe3c:f441 on eth0.1 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option client ID, len 10 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog:   DUID: 00:03:00:01:1c:7e:e5:4c:e7:00 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option server ID, len 14 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog:   DUID: 00:01:00:01:15:8b:8c:06:84:2b:2b:fc:70:72 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option identity association, len 40 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog:   IA_NA: ID=88925952, T1=1800, T2=2880 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyin_option: get DHCP option IA address, len 24 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyin_option:   IA_NA address: 2001:558:6016:19:9967:ddc2:9ce7:eb12 pltime=3600 vltime=3600 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option IA_PD, len 41 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog:   IA_PD: ID=88925952, T1=1800, T2=2880 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyin_option: get DHCP option IA_PD prefix, len 25 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyin_option:   IA_PD prefix: 2601:5:cc0:40::/60 pltime=3600 vltime=3600 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option opt_20, len 0 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: unknown or unexpected DHCP6 option opt_20, len 0 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option preference, len 1 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog:   preference: 0 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: client6_recvadvert: reset timer for eth0.1 to 0.927275 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_reset_timer: reset a timer on eth0.1, state=SOLICIT, timeo=0, retrans=105 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: client6_recv: receive advertise from fe80::201:5cff:fe3c:f441 on eth0.1 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option client ID, len 10 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog:   DUID: 00:03:00:01:1c:7e:e5:4c:e7:00 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option server ID, len 14 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog:   DUID: 00:01:00:01:15:8b:8b:ff:14:fe:b5:cf:19:10 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option identity association, len 40 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog:   IA_NA: ID=88925952, T1=1800, T2=2880 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyin_option: get DHCP option IA address, len 24 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyin_option:   IA_NA address: 2001:558:6016:19:4c97:6f6d:4f2a:119 pltime=3600 vltime=3600 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option IA_PD, len 41 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog:   IA_PD: ID=88925952, T1=1800, T2=2880 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyin_option: get DHCP option IA_PD prefix, len 25 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyin_option:   IA_PD prefix: 2601:5:c80:a0::/60 pltime=3600 vltime=3600 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option opt_20, len 0 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: unknown or unexpected DHCP6 option opt_20, len 0 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option preference, len 1 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog:   preference: 255 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option DNS, len 32 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: client6_recvadvert: server ID: 00:01:00:01:15:8b:8b:ff:14:fe:b5:cf:19:10, pref=255 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: client6_send: a new XID (32e07a) is generated 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copy_option: set client ID (len 10) 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copy_option: set server ID (len 14) 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyout_option: set IA address 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyout_option: set identity association 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copy_option: set elapsed time (len 2) 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copy_option: set option request (len 10) 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyout_option: set IA_PD prefix 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyout_option: set IA_PD 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copy_option: set opt_20 (len 0) 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: client6_send: send request to ff02::1:2 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_reset_timer: reset a timer on eth0.1, state=REQUEST, timeo=0, retrans=985 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_reset_timer: reset a timer on eth0.1, state=REQUEST, timeo=0, retrans=101 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: client6_recv: receive reply from fe80::201:5cff:fe3c:f441 on eth0.1 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option client ID, len 10 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog:   DUID: 00:03:00:01:1c:7e:e5:4c:e7:00 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option server ID, len 14 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog:   DUID: 00:01:00:01:15:8b:8b:ff:14:fe:b5:cf:19:10 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option identity association, len 40 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog:   IA_NA: ID=88925952, T1=1800, T2=2880 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyin_option: get DHCP option IA address, len 24 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyin_option:   IA_NA address: 2001:558:6016:19:4c97:6f6d:4f2a:119 pltime=3600 vltime=3600 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option IA_PD, len 41 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog:   IA_PD: ID=88925952, T1=1800, T2=2880 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyin_option: get DHCP option IA_PD prefix, len 25 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: copyin_option:   IA_PD prefix: 2601:5:c80:a0::/60 pltime=3600 vltime=3600 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option opt_20, len 0 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: unknown or unexpected DHCP6 option opt_20, len 0 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option authentication, len 28 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog:   proto: reconfig, alg: HMAC-MD5, RDM: mono counter, RD: 42f1 f6e0 000a d33d 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: reconfig type: 1, offset: 141 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: dhcp6_get_options: get DHCP option DNS, len 32 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: info_printf: nameserver[0] 2001:558:feed::1 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: info_printf: nameserver[1] 2001:558:feed::2 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: ifaddrconf: add an address 2601:5:c80:a1:1e7e:e5ff:fe4c:e6ff/64 on br0 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: get_ia: make an IA: NA-88925952 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: update_address: create an address 2001:558:6016:19:4c97:6f6d:4f2a:119 pltime=3600, vltime=3600 
Feb 04 00:38:42 192.168.9.254 Feb  4 00:38:42 syslog: ifaddrconf: add an address 2001:558:6016:19:4c97:6f6d:4f2a:119/128 on eth0.1 
Feb 04 00:38:45 192.168.9.254 Feb  4 00:38:45 syslog: client6_recvreply: executes /etc/dhcp6c-script 
Feb 04 00:39:07 192.168.9.254 Feb  4 00:39:07 radvd[3100]: version 1.8.3 started 
Feb 04 00:39:07 192.168.9.254 Feb  4 00:39:07 radvd[3100]: Ignoring deprecated RDNSS preference. 
Feb 04 00:39:07 192.168.9.254 Feb  4 00:39:07 radvd[3100]: Ignoring deprecated RDNSS open flag. 
Feb 04 00:39:07 192.168.9.254 Feb  4 00:39:07 radvd[3100]: Warning: AdvDNSSLLifetime <= 2*MaxRtrAdvInterval would allow stale DNS suffixes to be deleted faster 
Feb 04 00:39:16 192.168.9.254 Feb  4 00:39:17 dhcp6s[3553]: dhcp6_ctl_authinit: failed to open /etc/dhcp6sctlkey: No such file or directory 
Feb 04 00:39:17 192.168.9.254 Feb  4 00:39:17 syslog: client6_script: script "/etc/dhcp6c-script" terminated 
Feb 04 00:39:17 192.168.9.254 Feb  4 00:39:17 syslog: dhcp6_remove_event: removing an event on eth0.1, state=REQUEST 
Feb 04 00:39:17 192.168.9.254 Feb  4 00:39:17 syslog: dhcp6_remove_event: removing server (ID: 00:01:00:01:15:8b:8b:ff:14:fe:b5:cf:19:10) 
Feb 04 00:39:17 192.168.9.254 Feb  4 00:39:17 syslog: dhcp6_remove_event: removing server (ID: 00:01:00:01:15:8b:8c:06:84:2b:2b:fc:70:72) 
Feb 04 00:39:17 192.168.9.254 Feb  4 00:39:17 syslog: client6_recvreply: got an expected reply, sleeping. 
Feb 04 00:41:38 192.168.9.254 Feb  4 00:41:38 syslog: DDNS Update Success 
Feb 04 00:41:39 192.168.9.254 Feb  4 00:41:39 syslog: DDNS Update Success 
Feb 04 00:42:25 192.168.9.254 Feb  4 00:42:26 syslog: DDNS Update Success 
Feb 04 00:42:26 192.168.9.254 Feb  4 00:42:26 syslog: DDNS Update Success 
#-------------------------------------------------------------------------------
 
# This log section shows a reboot to get a clean log of the 2601:5:c80:84::/64 PD prefix being assigned.
# Prior to this, I had not yet turned on full logging to my syslog daemon after the last reset and firmware update.
 
Feb 04 22:40:13 192.168.9.254 Feb  4 22:39:55 syslog: gethwid: found an interface eth0.1 for DUID 
Feb 04 22:40:13 192.168.9.254 Feb  4 22:39:55 syslog: get_duid: generated a new DUID: 00:03:00:01:00:1b:11:d4:ce:3f 
Feb 04 22:40:13 192.168.9.254 Feb  4 22:39:55 syslog: get_duid: saved generated DUID to /var/dhcp6c_duid 
Feb 04 22:40:13 192.168.9.254 Feb  4 22:39:55 syslog: client6_init: skip opening control port 
Feb 04 22:40:13 192.168.9.254 Feb  4 22:39:55 syslog: configure_pool: called 
Feb 04 22:40:13 192.168.9.254 Feb  4 22:39:55 syslog: clear_poolconf: called 
Feb 04 22:40:13 192.168.9.254 Feb  4 22:39:55 syslog: dhcp6_reset_timer: reset a timer on eth0.1, state=INIT, timeo=0, retrans=383 
Feb 04 22:40:13 192.168.9.254 Feb  4 22:39:55 syslog: NOIP2: Update DDNS Success 
Feb 04 22:40:13 192.168.9.254 Feb  4 22:39:55 syslog: client6_send: a new XID (7b23c6) is generated 
Feb 04 22:40:13 192.168.9.254 Feb  4 22:39:55 syslog: copy_option: set client ID (len 10) 
Feb 04 22:40:13 192.168.9.254 Feb  4 22:39:55 syslog: copyout_option: set identity association 
Feb 04 22:40:13 192.168.9.254 Feb  4 22:39:55 syslog: copy_option: set elapsed time (len 2) 
Feb 04 22:40:13 192.168.9.254 Feb  4 22:39:55 syslog: copy_option: set option request (len 10) 
Feb 04 22:40:13 192.168.9.254 Feb  4 22:39:55 syslog: copyout_option: set IA_PD prefix 
Feb 04 22:40:13 192.168.9.254 Feb  4 22:39:55 syslog: copyout_option: set IA_PD 
Feb 04 22:40:13 192.168.9.254 Feb  4 22:39:55 syslog: copy_option: set opt_20 (len 0) 
Feb 04 22:40:14 192.168.9.254 Feb  4 22:39:56 radvd[1367]: version 1.8.3 started 
Feb 04 22:40:14 192.168.9.254 Feb  4 22:39:56 kernel: [   69.340000] m_table count=11 Add 33330000 0002000a port=-1 0 
Feb 04 22:40:14 192.168.9.254 Feb  4 22:39:56 syslog: client6_send: send solicit to ff02::1:2 
Feb 04 22:40:14 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_reset_timer: reset a timer on eth0.1, state=SOLICIT, timeo=0, retrans=1077 
Feb 04 22:40:14 192.168.9.254 Feb  4 22:39:56 syslog: client6_recv: receive advertise from fe80::201:5cff:fe3c:f441 on eth0.1 
Feb 04 22:40:14 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option client ID, len 10 
Feb 04 22:40:14 192.168.9.254 Feb  4 22:39:56 syslog:   DUID: 00:03:00:01:00:1b:11:d4:ce:3f 
Feb 04 22:40:14 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option server ID, len 14 
Feb 04 22:40:14 192.168.9.254 Feb  4 22:39:56 syslog:   DUID: 00:01:00:01:15:8b:8b:ff:14:fe:b5:cf:19:10 
Feb 04 22:40:14 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option identity association, len 40 
Feb 04 22:40:14 192.168.9.254 Feb  4 22:39:56 syslog:   IA_NA: ID=30723647, T1=172800, T2=276480 
Feb 04 22:40:14 192.168.9.254 Feb  4 22:39:56 syslog: copyin_option: get DHCP option IA address, len 24 
Feb 04 22:40:14 192.168.9.254 Feb  4 22:39:56 syslog: copyin_option:   IA_NA address: 2001:558:6016:19:2032:da89:d5d6:72c2 pltime=345600 vltime=345600 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option IA_PD, len 41 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog:   IA_PD: ID=30723647, T1=172800, T2=276480 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copyin_option: get DHCP option IA_PD prefix, len 25 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copyin_option:   IA_PD prefix: 2601:5:c80:84::/64 pltime=345600 vltime=345600 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option opt_20, len 0 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: unknown or unexpected DHCP6 option opt_20, len 0 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option preference, len 1 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog:   preference: 255 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option DNS, len 32 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: client6_recvadvert: server ID: 00:01:00:01:15:8b:8b:ff:14:fe:b5:cf:19:10, pref=255 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: client6_send: a new XID (334873) is generated 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copy_option: set client ID (len 10) 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copy_option: set server ID (len 14) 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copyout_option: set IA address 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copyout_option: set identity association 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copy_option: set elapsed time (len 2) 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copy_option: set option request (len 10) 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copyout_option: set IA_PD prefix 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copyout_option: set IA_PD 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copy_option: set opt_20 (len 0) 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: client6_send: send request to ff02::1:2 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_reset_timer: reset a timer on eth0.1, state=REQUEST, timeo=0, retrans=1079 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_reset_timer: reset a timer on eth0.1, state=REQUEST, timeo=0, retrans=93 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: client6_recv: receive advertise from fe80::201:5cff:fe3c:f441 on eth0.1 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option client ID, len 10 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog:   DUID: 00:03:00:01:00:1b:11:d4:ce:3f 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option server ID, len 14 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog:   DUID: 00:01:00:01:15:8b:8c:06:84:2b:2b:fc:70:72 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option identity association, len 40 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog:   IA_NA: ID=30723647, T1=172800, T2=276480 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copyin_option: get DHCP option IA address, len 24 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copyin_option:   IA_NA address: 2001:558:6016:19:bd0e:fb95:6faf:ee5d pltime=345600 vltime=345600 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option IA_PD, len 41 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog:   IA_PD: ID=30723647, T1=172800, T2=276480 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copyin_option: get DHCP option IA_PD prefix, len 25 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copyin_option:   IA_PD prefix: 2601:5:cc0:2d::/64 pltime=345600 vltime=345600 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option opt_20, len 0 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: unknown or unexpected DHCP6 option opt_20, len 0 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option preference, len 1 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog:   preference: 0 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option DNS, len 32 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: client6_recvadvert: XID mismatch 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: client6_recv: receive reply from fe80::201:5cff:fe3c:f441 on eth0.1 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option client ID, len 10 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog:   DUID: 00:03:00:01:00:1b:11:d4:ce:3f 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option server ID, len 14 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog:   DUID: 00:01:00:01:15:8b:8b:ff:14:fe:b5:cf:19:10 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option identity association, len 40 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog:   IA_NA: ID=30723647, T1=172800, T2=276480 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copyin_option: get DHCP option IA address, len 24 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copyin_option:   IA_NA address: 2001:558:6016:19:2032:da89:d5d6:72c2 pltime=345600 vltime=345600 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option IA_PD, len 41 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog:   IA_PD: ID=30723647, T1=172800, T2=276480 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copyin_option: get DHCP option IA_PD prefix, len 25 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: copyin_option:   IA_PD prefix: 2601:5:c80:84::/64 pltime=345600 vltime=345600 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option opt_20, len 0 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: unknown or unexpected DHCP6 option opt_20, len 0 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option authentication, len 28 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog:   proto: reconfig, alg: HMAC-MD5, RDM: mono counter, RD: 4117 4c40 000b a8f9 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: reconfig type: 1, offset: 141 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: dhcp6_get_options: get DHCP option DNS, len 32 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: info_printf: nameserver[0] 2001:558:feed::1 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: info_printf: nameserver[1] 2001:558:feed::2 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: get_ia: make an IA: PD-30723647 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:56 syslog: update_prefix: create a prefix 2601:5:c80:84::/64 pltime=345600, vltime=345600 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:57 syslog: ifaddrconf: add an address 2601:5:c80:84:1e7e:e5ff:fe4c:e6ff/64 on br0 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:57 syslog: get_ia: make an IA: NA-30723647 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:57 syslog: update_address: create an address 2001:558:6016:19:2032:da89:d5d6:72c2 pltime=345600, vltime=345600 
Feb 04 22:40:15 192.168.9.254 Feb  4 22:39:57 syslog: ifaddrconf: add an address 2001:558:6016:19:2032:da89:d5d6:72c2/128 on eth0.1 
 



--
A well-regulated militia, being necessary to the security of a free State, the right of the people to keep and bear arms shall not be infringed.

When governments fear people, there is liberty. When the people fear the government, there is tyranny.


NetFixer
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reply to NetFixer

After reading NetDog See Profile's post »Re: [IPv6] Comcast IPv6 Address Assignment/Delegation I tried using the DIR655's factory MAC address again, and now it gets a 2601:5:c80:8e::/64 PD prefix, and IPv6 works OK again with the factory MAC address. Apparently, I got caught in the middle of the CMTS config changes.



--
A well-regulated militia, being necessary to the security of a free State, the right of the people to keep and bear arms shall not be infringed.

When governments fear people, there is liberty. When the people fear the government, there is tyranny.