b00st3d

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Another upstream packet loss problem...

After several years of great Gigablast service, I have been having some extreme packet loss that started around 12/6 in New Orleans, LA that is constant and interrupting video calls/voip services/gaming/remote access/etc. Cox support through chat is telling me that I need their $13/month panoramic wifi modem to fix my issues! Things I have tried already:
1. power cycle modem
2. reset modem through cox app
3. bypassed router completely and plugged a laptop directly into the modem with same results
4. Checked to make sure all f-connectors on rg6 are tight (no splitters on line at all - direct connect outside)

I am hoping there are some next level Cox techs in here that can help?

I am going to attach pictures of some pingplotter screenshots to 1.1.1.1 and 8.8.8.8.

DL speed are fine, UL speeds are poor...

Any help would be greatly appreciated!

https://imgur.com/WiVUVBC

https://imgur.com/Mcsqknk

WiderMouthOpen

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Esteemed Contributor III

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3.5K Messages

What model modem do you have? Can you post the signal levels from 192.168.100.1? Also, any T3 errors in the logs?

b00st3d

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10 Messages

Its a Motorola MB8600. I'll post signal levels now. Unfortunately I just power cycled my modem and the log cleared, so I will have to check later to see if there are any T3 errors.https://imgur.com/a/2ZOfOmU

WiderMouthOpen

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Esteemed Contributor III

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I recognize those signal levels. Did you post on Reddit? Either way you have issues in the 700Mhz range. Some kind of noise.

Darkatt

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Motorola MB8600 isn't actually a motorola. Zoom telephonics leased, then purchased the NAME motorola from Arris, who purchased the motorola BRAND from Google. Zoom simply acquired the license to use the Motorola brand NAME. ARRIS acquired Motorola Home in 2013. The products, heritage, intellectual property, and innovation associated with that division now reside under the ARRIS brand. - arris.secure.force.com/.../Motorola-Zoom-ARRIS-Branding-Name

b00st3d

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Nope, should i?! I did post over on dslreports. Are you over there too?! I just replaced my MB8600 with a new MB8611 and same issues. Similar signal levels. Interestingly only upstream traffic seems to be affected.

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I did post over on dslreports

Oh! That's where I saw you. Thanks. Reddit is good for more user feedback but DSLReports is more technical.

Darkatt

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Based on those plots, The first step is replace the modem, because that second hop is the first one to Cox. So either the modem is bad, or you have a line issue. If you have the same issue with the different modem, then yes, a tech is in order.

b00st3d

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10 Messages

I just replaced my MB8600 with a new MB8611 and same issues.

Darkatt

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The MB series isn't a real Motorola, it's ZOOM, and certainly not a modem i would use.

WiderMouthOpen

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Esteemed Contributor III

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Just curious, but what model modem and router do you have?

Darkatt

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currently using an Arris DG2460, but soon upgrading to a Netgear CAX30.

WiderMouthOpen

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Esteemed Contributor III

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Really, a combo unit? Why not separate modem and router? Is size a issue? I would never trust my router firmware to the ISP.

Welcome to the Cox Community

Another upstream packet loss problem...

b00st3d

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Darkatt

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