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nickmorrisrdg
Posts: 1
Registered: ‎02-11-2011

50Mb SuperHub issues: VERY erratic (1Mb to 100+Mb)

I used to be on 50Mb and had a old-style modem. Absolutely flawless.

I then downgraded to 30Mb and was going to leave, purely as a cost issue.

Rentension person came up with a deal, and I went back to 50Mb and we updgraded to TIVO also.

For some unknown reason, the TIVO install and re-instigation of 50Mb meant I had my modem swapped for a SH.

Ever since then I have had somm very weird internet connection issues. I go from stupidly fast (up to 120Mb - yes, its true, I was getting 10+ MBytes on downloads + speedtest verified.

More typically howver, I get very cruddy connection.

It is not uncommon for me to get F on pingtest: up to 20% packet loss and crazy pings and Jitter (both in the 100s and i have seen 1000+ for each!)

 

Flagged to tech sup. who deteted signal too high and sent engineer, who left a couple of Attenuators 6dB seems like the best.

From what I have read, my signal is now bang-in-line, but let me know if nything is wrong:

Still same very erratic performance though:

 

Am on R30

 

I have the SH set to Modem mode and run through a decent router

 

NO wifi - all hardwired.

 

seems similar to many posts, but any ideas well received / techs please invetsigate.

 

Thanks

 

Startup Procedure
ProcedureStatusComment
Acquire Downstream Channel298750000 HzLocked
Connectivity StateOKOperational
Boot StateOKOperational
Configuration FileOK 
SecurityEnabledBPI+

Downstream Channels
Lock StatusModulationChannel IDMax Raw Bit RateFrequencyPowerSNRDocsis/EuroDocsis locked
LockedQAM25612255616000 Kbits/sec298750000 Hz4.4 dBmV42.6 dBHybrid
LockedQAM25612155616000 Kbits/sec290750000 Hz4.4 dBmV42.7 dBHybrid
LockedQAM25612555616000 Kbits/sec306750000 Hz4.3 dBmV42.5 dBHybrid
LockedQAM25612655616000 Kbits/sec314750000 Hz3.2 dBmV42.3 dBHybrid
UnlockedUnknown00 Ksym/sec0 Hz0.0 dBmV0.0 dBUnknown
UnlockedUnknown00 Ksym/sec0 Hz0.0 dBmV0.0 dBUnknown
UnlockedUnknown00 Ksym/sec0 Hz0.0 dBmV0.0 dBUnknown
UnlockedUnknown00 Ksym/sec0 Hz0.0 dBmV0.0 dBUnknown

Upstream Channels
Lock StatusModulationChannel IDMax Raw Bit RateFrequencyPower
LockedATDMA220480 Kbits/sec35800000 Hz55.0 dBmV
UnlockedUnknown00 Ksym/sec0 Hz0.0 dBmV
UnlockedUnknown00 Ksym/sec0 Hz0.0 dBmV
UnlockedUnknown00 Ksym/sec0 Hz0.0 dBmV
 

Primary Downstream Service Flow
Downstream(0)
SFID2586
Max Traffic Rate53000000 bps
Max Traffic Burst3044 bytes
Mix Traffic Rate0 bps

Primary Upstream Service Flow
Upstream(0)
SFID2585
Max Traffic Rate5140000 bps
Max Traffic Burst8160 bytes
Mix Traffic Rate0 bps
Max Concatenated Burst8160 bytes
Scheduling Type

Best Effort

        
        
        
        
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Forum Team
John_O
Posts: 5,728
Registered: ‎16-06-2010

Re: 50Mb SuperHub issues: VERY erratic (1Mb to 100+Mb)

Hi nickmorrisrdg,

 

I have checked your connection and can see that you are affected by a local upstream utilisation issue on your chassis (local router) which will cause your speed to slow during busy periods. This issue is currently with our Planning team who will be publishing a fix date for this issue as soon as possible. The reference for this issue is F001788232. Please accept our apologies for any inconvenience this may be causing you.

Regards,

John O

Help & Support Forum Team


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