Connectivity
Connectivity and managing Your Comcast Business network
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Paying for business 50/10, but never get any better than 31/7: Is this normal?

I'd like to understand from others, or CC people whether this is normal. I would expect, in particular middle of the night, to get close to advertised speeds.

 

If this is not normal, will a service call get it sorted out? While I would be at it, can I get my modem replaced so I can get proper DHCP6-PD delegation (the SMC does not do it right, and after 2 onths working with them CC still has not sorted it).

 

Since somebody is bound to ask:

SMC D3G gateway in bridge mode -> Ubiquiti EdgeMax PoE (which will route at 1Gb speeds) Gb link -> Gb link wired to Gb switch -> wired to computer used for test. All links verified to be full duplex at 1000.

 

Signals:

Downstream Channel

Downstream Frequency560.997803 MHz579.001587 MHz590.999512 MHz603.002075 MHz
Lock StatusLockedLockedLockedLocked
Modulation256 QAM256 QAM256 QAM256 QAM
Symbol Rate5.360537Msym/sec5.360537Msym/sec5.360537Msym/sec5.360537Msym/sec
Downstream Power4.889384 dBmV4.615729 dBmV5.026411 dBmV5.157887 dBmV
SNR36.844463 dB37.092701 dB37.355988 dB37.092701 dB

 

 

It would seem that the above should support 4 * 5.3Msym = 4 * 5.3 * 8 Mbps: about 170Mb/s. I understand I will be throttled because I do not fork over enough dollars at $130+/mo, but if the bandwidth is there, I'd expect to get what I pay for.

 

Upstream Channel

Upstream Frequency18899671 Hz23699571 Hz36499415 Hz
Lock StatusLockedLockedLocked
Modulation64QAM64QAM64QAM
Symbol Rate2560 KSym/sec5120 KSym/sec5120 KSym/sec
Upstream Power40.2500 dBmV40.7500 dBmV41.0000 dBmV
Channel ID568

 

Upload avail: 3 * 2.5Msym * 6: About 45Mbps, also plenty to provide 10Mbps as promised

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Respected Member

Re: Paying for business 50/10, but never get any better than 31/7: Is this normal?

Hello dolfs,

 

Glad to hear your getting the correct download speed, I reached out to our regional support team to make sure you had the correct signals and bootfile loaded to your modem. A remote provisioning refresh has seemed to have fix the issue. Please let us know if any issues come up.

 

Thank you

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Respected Member

Re: Paying for business 50/10, but never get any better than 31/7: Is this normal?

Hello dolfs welcome to the forum,

 

Can you please reboot your modem can rerun a speed test and let us know the results?

 

Thank you

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Re: Paying for business 50/10, but never get any better than 31/7: Is this normal?

Actually did that last night before that test, and have done it several times before. No difference in outcome.

 

But then I realized that may be you had done something to my setup and ran it again this morning. Now I got 56 down, still 7 up. 

 

I see upstream I now have 4 channels instead of 3.

 

What did you do?

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Respected Member

Re: Paying for business 50/10, but never get any better than 31/7: Is this normal?

Hello dolfs,

 

Glad to hear your getting the correct download speed, I reached out to our regional support team to make sure you had the correct signals and bootfile loaded to your modem. A remote provisioning refresh has seemed to have fix the issue. Please let us know if any issues come up.

 

Thank you

View solution in original post

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Occasional Visitor

Re: Paying for business 50/10, but never get any better than 31/7: Is this normal?

Thank you.

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