I have Xfinity. They give my Fortinet 61F a IPv6 /60 block. All the prefix delegated address are on the Fortinet. I can’t send out IPv6 traffic. I get these errors on the modem.
10/14/2025 09:44:07 Critical No Ranging Response received - T3 time-out;CM-MAC=(Edited private information);CMTS-MAC=(Edited private information);CM-QOS=1.1;CM-VER=3.1;
10/14/2025 09:18:02 Warning TCS Partial Service;CM-MAC=(Edited private information);CMTS-MAC=(Edited private information);CM-QOS=1.1;CM-VER=3.1;
10/14/2025 09:18:02 Critical Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=(Edited private information);CMTS-MAC=(Edited private information);CM-QOS=1.1;CM-VER=3.1;
10/14/2025 09:17:34 Warning RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=(Edited private information);CMTS-MAC=(Edited private information);CM-QOS=1.1;CM-VER=3.1;
10/14/2025 09:17:30 Critical Config File Rejected due to Invalid or Unexpected TLV 11;CM-MAC=(Edited private information);CMTS-MAC=(Edited private information);CM-QOS=1.1;CM-VER=3.1;
10/14/2025 09:17:30 Notice TLV-11 - unrecognized OID;CM-MAC=(Edited private information);CMTS-MAC=(Edited private information);CM-QOS=1.1;CM-VER=3.1;
| Channel ID | Lock Status | Modulation | Frequency | Power | SNR/MER | Corrected | Uncorrectables |
| 37 | Locked | OFDM PLC | 690000000 Hz | 0.9 dBmV | 38.0 dB | 100627105 | 0 |
IPv4 is working fine. Xfinity wants to send me their modem. I pick it up tonight. Are the issues in the logs from the S33v3 outside to the demarc? All wiring in the house is Cat6. The Fortinet firewall diags state the IPv6 traffic is going outbound fine. No inbound packets.
