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Morac
Cat god

join:2001-08-30
Riverside, NJ
kudos:1
Reviews:
·Comcast
reply to instigator

Re: [Connectivity] Modem is reporting continuous T4 errors.

said by instigator:

Who is this ComcastWill you are speaking of?

EDIT - didn't see pclover's response:
pclover - what is the uSNR? I like to know what I'm asking for so I can explain to them when they as me

First ComcastWill is one of Comcast's Twitter support team.

Second, if you are seeing upload issues, it could be an upstream signal problem. uSNR is upstream signal to noise ratio. If you call into Comcast support they can check that (as can the Twitter support team).
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The Comcast Disney Avatar has been retired.


EG
The wings of love
Premium
join:2006-11-18
Union, NJ
kudos:10
said by Morac:

Second, if you are seeing upload issues, it could be an upstream signal problem.

FWIW, due to the way TCP ACK (Acknowledgement) works, upstream / return impairments can affect the downstream as well.


Morac
Cat god

join:2001-08-30
Riverside, NJ
kudos:1
Reviews:
·Comcast
said by EG:

said by Morac:

Second, if you are seeing upload issues, it could be an upstream signal problem.

FWIW, due to the way TCP ACK (Acknowledgement) works, upstream / return impairments can affect the downstream as well.

True but ACK packets are normally much smaller than upstream data packets so unless things are really bad, they are less likely to be affected.
--
The Comcast Disney Avatar has been retired.