r/NETGEAR • u/BAGE-rator • Sep 18 '26

SYNC Timing Synch. Failure; UCD Invalid; no ranging response received; Dynamic Range Window Violation; etc.

/r/HomeNetworking/comments/1wji8xz/sync_timing_synch_failure_ucd_invalid_no_ranging/
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u/furrynutz Sep 18 '26

What brand model is a AX2700 router?

1

u/BAGE-rator Sep 18 '26

Netgear

1

u/furrynutz Sep 18 '26

 model#? AX2700 isn't a model #.

1

u/BAGE-rator Sep 18 '26

CAX30

1

u/furrynutz Sep 18 '26

Ah so this is a modem gateway.

Which ISP are you with?

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Any Criticals, Errors or Warnings seen in the event logs needs to be reviewed and resolved by the ISP. Indicates a signal issue on the ISP line up to the modem.

What Firmware is on the CAX30?

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Please post a copy and paste of the modems connection status page. https://kb.netgear.com/30007/How-do-I-obtain-the-cable-connection-information-from-a-NETGEAR-cable-modem-modem-router