01-27-2015 01:35 PM - edited 03-05-2019 12:40 AM
Hi,
Recently swapped out my standard ISP router with a 887VA however the upstream sync speed is rubbish compared to the standard one. Any ideas on what to try? The router is running Version 15.2(4)M7
Old router:
Connection Speed: 37543kbps 6669kbps
Line Attenuation: 22.4dB 0.0dB
Noise Margain: 6.4dB 6.6dB
Cisco:
odem Status: TC Sync (Showtime!)
DSL Config Mode: AUTO
Trained Mode: G.993.2 (VDSL2) Profile 17a
TC Mode: PTM
Selftest Result: 0x00
DELT configuration: disabled
DELT state: not running
Trellis: ON ON
SRA: disabled disabled
SRA count: 0 0
Bit swap: enabled enabled
Bit swap count: 5628 0
Line Attenuation: 0.0 dB 0.0 dB
Signal Attenuation: 0.0 dB 0.0 dB
Noise Margin: 6.1 dB 6.2 dB
Attainable Rate: 44480 kbits/s 921 kbits/s
Actual Power: 12.1 dBm 10.5 dBm
Per Band Status: D1 D2 D3 U0 U1 U2 U3
Line Attenuation(dB): 16.9 45.8 70.1 19.6 N/A N/A N/A
Signal Attenuation(dB): 16.9 45.8 70.1 19.6 N/A N/A N/A
Noise Margin(dB): 6.1 6.1 6.1 6.2 N/A N/A N/A
Total FECC: 466074 18816
Total ES: 6 0
Total SES: 5 0
Total LOSS: 5 0
Total UAS: 590 590
Total LPRS: 0 0
Total LOFS: 5 0
Total LOLS: 0 0
Full inits: 6
Failed full inits: 0
Short inits: 0
Failed short inits: 0
Firmware Source File Name (version)
-------- ------ -------------------
VDSL default flash:vdsl.bin (10)
Modem FW Version: 110802_1752-4.02L.03.A2pv6C035d.d23j
Modem PHY Version: A2pv6C035d.d23j
Vendor Version:
DS Channel1 DS Channel0 US Channel1 US Channel0
Speed (kbps): 0 36031 0 763
SRA Previous Speed: 0 36046 0 759
Previous Speed: 0 36046 0 759
Reed-Solomon EC: 0 402474 0 17071
CRC Errors: 0 1706 0 0
Header Errors: 0 0 0 0
Interleave (ms): 0.00 16.00 0.00 8.00
Actual INP: 0.00 8.00 0.00 4.00
01-28-2015 02:21 AM
Also from a Draytek VDSL router:
01-28-2015 04:21 PM
Line Attenuation: 0.0 dB 0.0 dB
This can't be right.
01-29-2015 12:03 AM
I think that's a bug with the Broadcom chipsets in the controller
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