Line Speed Stuck
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- Line Speed Stuck
Line Speed Stuck
07-04-2018 12:14 AM - edited 07-04-2018 12:19 AM
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I recently changed to the HG612 modem and the line is now syncing at 78102 but I am only getting around 70mb (and line profile at 71.82). This seems to be lower than 96% of the sync speed. Can this be updated/fixed?
Stats:
DSLAM type / SW version: BDCM:0xa48c (164.140) / v0xa48c
Modem/router firmware: AnnexA version - A2pv6C038m.d24j
DSL mode: VDSL2 Profile 17a
Status: Showtime
Uptime: 22 hours 24 min 0 sec
Resyncs: 1 (since 06 Apr 2018 01:49:21)
Downstream Upstream
Line attenuation (dB): 17.7 0.0
Signal attenuation (dB): Not monitored
Connection speed (kbps): 78102 16700
SNR margin (dB): 3.2 6.0
Power (dBm): 13.4 7.4
Interleave depth: 8 1
INP: 51.00 0
G.INP: Enabled Not enabled
Vectoring status: 5 (VECT_UNCONFIGURED)
RSCorr/RS (%): 0.0020 0.0021
RSUnCorr/RS (%): 0.0000 0.0000
ES/hour: 0 3.08
Re: Line Speed Stuck
07-04-2018 10:45 AM - edited 07-04-2018 10:45 AM
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The Openreach DLM system has 2 levels of G.inp or retransmission, low and high. High ReTx has a profile of around 92% of the sync speed which seems to tally with your figures. How the DLM decides what level to apply is not really known, but probably related to stability and error levels. Don't think you can do much about it unfortunately.
Re: Line Speed Stuck
07-04-2018 2:51 PM
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Thought that might be the case, I think the Hub One was acting up and might have caused it. The HG612 seems to be more stable so far.
Maybe an admin can do a line check and check for retransmission. Hopefully if my line stays low on errors it will switch back to low.
Re: Line Speed Stuck
09-04-2018 11:04 AM
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Hi there.
For the reasons that @RealAleMadrid has advised of your IP profile is correct for the sync rate.
Our tests are showing retransmission to be set to low:
Profile Name | 0.128M-80M Downstream 3dB, Retransmission Low - 0.128M-20M Upstream, Retransmission Low |
We're also detecting a potential line fault which might be having an impact on your connection, so I've raised this with Openreach now and I'll update your account with more info shortly.
Hope this helps.
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