Contributor
•
14 Messages
Another DHCPv6 Missing Required Option 82 and 24 Plea for Help
I am experiencing loss of connectivity of all devices several times a day. They last anywhere from a few seconds to a few minutes. The TG4482A ARRIS modem event log looks like this
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/9/1 08:37:23 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 24 | 2022/9/1 08:37:23 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/9/1 08:32:01 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/9/1 07:29:46 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 24 | 2022/9/1 07:29:46 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/9/1 07:21:03 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/9/1 06:29:46 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 24 | 2022/9/1 06:29:46 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/9/1 06:13:58 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/9/1 05:19:16 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 24 | 2022/9/1 05:19:16 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/9/1 05:04:30 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/9/1 04:10:41 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 24 | 2022/9/1 04:10:41 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/9/1 04:03:26 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/9/1 03:04:50 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 24 | 2022/9/1 03:04:50 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/9/1 03:03:25 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/9/1 01:56:15 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/9/1 01:56:09 | Critical |
Here are my upstream/downstream values
Index |
4
|
12
|
20
|
28
|
1
|
2
|
3
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
29
|
30
|
31
|
32
|
0
|
193
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lock Status |
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
|
Frequency |
471000000
|
519000000
|
567000000
|
615000000
|
453000000
|
459000000
|
465000000
|
477000000
|
483000000
|
489000000
|
495000000
|
501000000
|
507000000
|
513000000
|
525000000
|
531000000
|
537000000
|
543000000
|
549000000
|
555000000
|
561000000
|
573000000
|
579000000
|
585000000
|
591000000
|
597000000
|
603000000
|
609000000
|
621000000
|
627000000
|
633000000
|
639000000
|
959800000
|
|
SNR |
43.376591
|
44.625977
|
43.376591
|
40.946209
|
43.376591
|
43.376591
|
43.376591
|
43.376591
|
43.376591
|
40.946209
|
40.946209
|
40.946209
|
43.376591
|
43.376591
|
43.376591
|
43.376591
|
40.946209
|
44.625977
|
43.376591
|
43.376591
|
40.946209
|
44.625977
|
40.946209
|
40.946209
|
40.946209
|
40.946209
|
40.946209
|
40.946209
|
40.946209
|
40.946209
|
40.366287
|
40.946209
|
42.87 dB
|
|
Power Level |
7.800003
|
7.500000
|
6.199997
|
5.300003
|
6.699997
|
7.099998
|
7.500000
|
7.599998
|
7.199997
|
6.900002
|
7.000000
|
7.300003
|
7.699997
|
7.800003
|
7.000000
|
6.599998
|
6.500000
|
6.400002
|
6.599998
|
6.599998
|
6.500000
|
6.099998
|
5.900002
|
5.800003
|
5.800003
|
5.300003
|
5.099998
|
5.099998
|
5.699997
|
6.099998
|
5.900002
|
5.400002
|
3.500000 dBmV
|
|
Modulation |
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
QAM256
|
OFDM
|
Upstream
|
Channel Bonding Value | |||||
Index |
1
|
2
|
3
|
4
|
5
|
|
---|---|---|---|---|---|---|
Lock Status |
Locked
|
Locked
|
Locked
|
Locked
|
Locked
|
|
Frequency |
35600000
|
16400000
|
22800000
|
29200000
|
39900000-84275000
|
|
Symbol Rate |
5120 KSym/sec
|
5120 KSym/sec
|
5120 KSym/sec
|
5120 KSym/sec
|
0 KSym/sec
|
|
Power Level |
45.020599
|
43.520599
|
43.270599
|
43.770599
|
56.432629
|
|
Modulation |
64QAM
|
64QAM
|
64QAM
|
64QAM
|
OFDMA
|
|
Channel Type |
US_TYPE_ATDMA
|
US_TYPE_ATDMA
|
US_TYPE_ATDMA
|
US_TYPE_ATDMA
|
US_TYPE_OFDMA
|
CM Error Codewords | |||||||||||||||||||||||||||||||||
Unerrored Codewords |
13182
|
13049
|
12915
|
12802
|
12665
|
12517
|
12403
|
12268
|
12139
|
12010
|
11897
|
11760
|
11613
|
11479
|
11342
|
11199
|
11070
|
10934
|
10803
|
10671
|
10559
|
10423
|
10295
|
10166
|
10031
|
9896
|
9765
|
9643
|
9489
|
9358
|
9244
|
9108
|
47
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Correctable Codewords |
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
After resetting the router and network, these are the events registered
DHCPv6[16947]: 72001009-DHCPv6 - No Advertise or Reply Received 1 times | 2022/8/30 17:42:22 | Critical |
CcspWifiSsp[7165]: config.utapi s_sysevent_connect: open new sysevent fd 38 | 2022/8/30 17:10:43 | Notice |
[Wifi][7165]: Wifi security mode WPA2-Personal is Enabled | 2022/8/30 17:04:21 | Notice |
[Wifi][7165]: Wifi security mode WPA2-Personal is Enabled | 2022/8/30 17:04:21 | Notice |
[Wifi][7165]: KeyPassphrase changed | 2022/8/30 17:04:10 | Notice |
[Wifi][7165]: KeyPassphrase changed | 2022/8/30 17:04:00 | Notice |
DHCPv6[16947]: 72001002-DHCPv6 Provision - Completed | 2022/8/30 16:58:26 | Informational |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/8/30 16:58:23 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 24 | 2022/8/30 16:58:23 | Critical |
DHCPv6[16947]: 72001004-DHCPv6 Provision - 0 Retries Attempted with Last attempt at Tue Aug 30 23:58:22 2022 | 2022/8/30 16:58:23 | Critical |
DHCPv6[16947]: 72001011-DHCPv6 - Missing Required Option 82 |
DHCPv6[29528]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/8/30 16:48:16 | Critical |
DHCPv6[29528]: 72001011-DHCPv6 - Missing Required Option 24 | 2022/8/30 16:48:16 | Critical |
DHCPv6[29528]: 72001004-DHCPv6 Provision - 0 Retries Attempted with Last attempt at Tue Aug 30 23:48:15 2022 | 2022/8/30 16:48:16 | Critical |
DHCPv6[29528]: 72001011-DHCPv6 - Missing Required Option 82 | 2022/8/30 16:48:15 | Critical |
DHCPv6[29528]: 72001011-DHCPv6 - Missing Required Option 24 |
And the firewall events
FW.IPv6 INPUT drop , 13216 Attempts, 2022/9/1 09:45:18 | Firewall Blocked | |
FW.IPv6 FORWARD drop , 5 Attempts, 2022/8/31 22:05:03 | Firewall Blocked |
I have done everything on my end that customer service will make me do again including: power cycling the router, restarting the router, completely resetting the router etc.
Those actions will never result in the problem being fixed however, because these errors are backend issues dealing with DHCPv6 assignment and need to be fixed from your side.
I don't know if your ip tech people need to edit the bootloader, or what, but the issue is with the DHCPv6 lease configuration that comcast is assigning to the modem. Period.
DHCPv6 Option 24 should be MTU timeout.
DHCPv6 Option 82 should be relay agent information.
So many posts about this same issue, and customers answering the same questions, having techs swap modems, people spending hours (like me) resetting their networks and modems and routers, when none of that is going to solve an issue that stems from your side.
Please let me know how I can get someone to actually look at and fix the DHCPv6 lease assignment configuration from your side to my modem. I don't need you to send a signal to my modem, or refresh the signal or reboot it.
This problem started several weeks ago. I didn't make any changes or add any devices or do anything differently when the problem started.
Thanks in advance for getting this fixed asap.
kbayer22
Visitor
•
6 Messages
3 years ago
Just gout done with tech support chat for the same errors and connectivity issues.
I went through the usual troubleshooting, reinitializing the modem, etc with the tech. I showed him the error log and according to him:
"The DHCP error will not occur anymore" I asked if they just troubleshot it or if they actually made a settings change and his response was "DHCP may fail to configure the client in proper way, It can't communicate with any server and you will loose the internet connection for a while and then it gets back on. That was reset from our end."
I guess only time will tell.
2
0
mjkeaa
Contributor
•
14 Messages
3 years ago
Hopefully that solves the issue for you. Since mine is giving the dhcpv6 errors every hour (when the ip lease tries to renew) I could tell after an hour without the errors :)
It's so frustrating to know this dropping of connections daily is a configuration issue on their end, but we still have to jump through hoops and reset everything before they consider that the issue is on the backend side. Mine still hasn't been "reset" on the comcast side :(
0
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tobyhilden
Visitor
•
1 Message
2 years ago
I suffered similar issues. Here is what happened:
Arris Gateway SBG8300 providing 1GB service at my home. I
11/04/2022 - Xfinity service outage for network maintenance, was down for about 6 hours.
11/05/2022 - Late evening, internet service in my home stopped abruptly. Performed the following troubleshooting:
So in a nutshell, Xfinity is rolling out project Genesis (you can find it online for yourself) which is combining the IPv4 and IPv6 (hence the erouter as dual stack even logs) to this new standard for faster 5G and 6G down the road. No project is without problems. With the vast number of devices out there, the more unique coding that has to be done for devise and line limitations or incapability (whether it was known ahead of time or not). And some equipment may not be able to get a planned update because it may already be or will soon become obsolescent due to its lifecycle.
https://www.xfinity.com/support/articles/end-of-life-devices
I dont know if my semi new gateway is on a not yet published chopping block or not, but tech support should really be trained to do more than just do less than the bare minimum in order to open the sales pitch door for equipment upgrade.
0
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GillFam
Visitor
•
2 Messages
2 years ago
I have this exact same problem and errors. Similarly work-from-home and drop during the most inappropriate times for meetings, etc. causing complete lack of internet connectivity. What is the protocol to request this support? The automated assistant is worthless even when listing the exact error.
0
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EG
Expert
•
109.1K Messages
2 years ago
@GillFam
Please create a new topic of your own here on this board detailing your issue. Thanks. The original poster has not returned. 5-month-old dead thread is now being closed.
For future reference, it is better to submit your own post as it creates a ticket to get help, and posting on an old thread can delay getting help.
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