US Telco Support > Verizon > Verizon Online DSL > Need to switch between Interleave and FastPath? Part 2

reply to glnz

Re: Need to switch between Interleave and FastPath? Part 2

Smith - you are so knowledgeable, it's scary. All of us here are big fans of yours, and I wish I could email you a glass of Scotch in appreciation.

If you look at the .txt attachment in my post directly above, there ARE references to ASSIA. That HSI Field Ping Test also has these lines:

[08/25/12 23:25:21]
[08/25/12 23:25:21] ===>\; Query ASSIA Data for 11/ARDA/526270//NY/1 (ASSIA)
[08/25/12 23:25:21] ... Circuit is in ASSIA PO (0)
[08/25/12 23:25:21] ... PO start time was 2012-08-24 09:58:12
[08/25/12 23:25:21]

[So, what does ASSIA mean? EDIT: It's a company that sells bandwidth management tech to the telcos.]

By the way, the following are my HSI Field Ping Test lines from just BEFORE the above, when I still had fastpath. Do you still think the margin is good enough and the attenuation is low enough to maintain fastpath at 7Mbps down? I note that both are a bit worse when I'm on fastpath than when I'm on interleaved, but doesn't seem like a big difference.

[08/23/12 08:35:31] ===>\; ADSL Loop Data
[08/23/12 08:35:31] Downstream Upstream
[08/23/12 08:35:31] Relative Capacity 39 73
[08/23/12 08:35:31] Noise Margin 16.2 18.1
[08/23/12 08:35:31] Transmit Signal Power 6.7 11.8
[08/23/12 08:35:31] Attenuation 27.5 17.0
[08/23/12 08:35:31] Fast Channel Bit Rate 7840 863 (in use)
[08/23/12 08:35:31] Fast Max Attainable BR 19613 1171 (in use)
[08/23/12 08:35:31] Interleaved Bit Rate - - (not in use)
[08/23/12 08:35:31] Intr Max Attainable BR - - (not in use)

Thanks again !!

reply to Smith6612
I want to switch to fastpath. Can someone help?

You need to post your Transceiver stats from your modem to see if your line can handle it.

reply to glnz

Tim - Got your email.

Many thanks.

My new down stream Margin is 15.7. From Smith's many posts here, I would guess that's good enough and won't set me back. Do you agree?

reply to Smith6612
email sent

reply to Smith6612
Transceiver Revision 3.3.6.10.0.1
Vendor ID Code 4D54
Line Mode ADSL_2plus
Data Path INTERLEAVED

Transceiver Information Down Stream Path Up Stream Path
DSL Speed (Kbits/Sec) 7839 861
Margin (dB) 7.5 19.8
Line Attenuation (dB) 33.9 15.3
Transmit Power (dBm) 17.2 10.1

reply to Smith6612
Hi, how are you everyone? I'm new here. How can I check the Transceiver and post the result here? I'm experience extreme slow internet connection, only download 1.5mbps.

reply to NeedFiosNow
For that line I would try to avoid it. The downstream margin is pretty low and it will probably start dropping out unless you can get it to about 12dB solidly. But yet again, it may also hold without any issues.

@leo1121: What modem do you have?

I have Westell Versalink Model 327W. Thanks!

reply to Smith6612
I have Westell Versalink Model 327W. Thanks!

reply to Smith6612
Here are my stats!

Transceiver Revision A2pB020b3.d20h
Vendor ID Code 4D54
Line Mode ADSL_G.dmt
Data Path INTERLEAVED

Transceiver Information Down Stream Path Up Stream Path
DSL Speed (Kbits/Sec) 3360 832
Margin (dB) 20.4 10.0
Line Attenuation (dB) 21.0 12.0
Transmit Power (dBm) 8.4 11.9

How about this one ?

Thanks for any info

Transceiver Statistics

Transceiver Revision: 7.2.3.0

Vendor ID Code: 4
Line Mode: G.DMT Mode
Data Path: Interleaved

Transceiver Information Downstream Path Upstream Path
DSL Speed (Kbits/Sec) 2112 704
Margin (dB) 10.5 10.0
Line Attenuation (dB) 50.0 31.5
Transmit Power (dBm) 15.3 11.8

reply to Smith6612
hey smith,

Quick question. I had fastpath added to my line and the verizon direct thread states I have fastpath but my modem settings say fastpath n/a. The modem is a actiontec GT784WNV here is what im seeing...

Broadband Parameter

Status VPI:0

VCI:35

Broadband Mode Setting:ADSL2+

Broadband Negotiated Mode:ADSL2+

Connection Status:CONNECTED

Downstream Speed:1184 Kbps

Upstream Speed:443 Kbps

Retrains:0

Retrain Timer:0 Days, 0H:8M:56S

ATM QoS class:UBR

Near End CRC Errors Interleave:0

Near End CRC Errors Fastpath :N/A

Far End CRC Errors Interleave :0

Far End CRC Errors Fastpath :N/A

30 Minute Near End CRC Interleave :0

30 Minute Near End CRC Fastpath :N/A

30 Minute Far End CRC Interleave :0

30 Minute Far End CRC Fastpath :N/A

Near End RS FEC Interleave :0

Near End RS FEC Fastpath :N/A

Far End RS FEC Interleave :0

Far End RS FEC Fastpath : N/A

30 Minute Near End FEC Interleave :0

30 Minute Near End FEC Fastpath :N/A

30 Minute Far End FEC Interleave :0

30 Minute Far End FEC Fastpath :N/A

30 Minute Discarded Packets Downstream :0

30 Minute Discarded Packets Upstream :0

SNR Downstream :36 dB

SNR Upstream :34 dB

Attenuation Downstream :34 dB

Attenuation Upstream: 22 dB

Power Downstream: 0 dBm

Power Upstream12.6 dBm

reply to leo1121
You can use the following page to get the statistics: »192.168.1.1/transtat.htm . If that doesn't work, »192.168.1.1/htmlV/transtat.asp should work though that is mainly for the Westell 7500 and newer 6100s. Failing that, visit »192.168.1.1/ and then visit System Monitoring, Advanced Monitors, and then finally, Transceiver Statistics.

@Shadyink13: Your line looks to be OK. Your upstream is slightly off sync however, and I would expect the margin on the upstream to be a bit high for the distance. You could also get a speed upgrade on the downstream if you'd like. 7M shouldn't be completely out of the ballpark.

@daro7: Your line looks like it was optimized. I wouldn't get FastPath on there without a speed reduction and some stability checking (basically, check to see if the line can reliably transfer data over the long term, and can stay online without a drop).

@bshampine: I don't specifically know how that modem reports Interleaved mode, but that almost seems like that is what it is suggesting. To verify, you can try running a traceroute while your line is idle during non-peak hours to see what sort of latency you get. 23+ms latency is often a sign of Interleaving. You should be fine for a higher speed package if you do upgrade, and you are good to go for FastPath as of thus far with those stats.

I sent a message on Connection and got the reply to post my info here.

Trying to get Fastpath

Broadband Parameter Status
VPI: 0
VCI: 35
Broadband Mode Setting: ADSL2+
Broadband Negotiated Mode: ADSL2+
Connection Status: CONNECTED
Downstream Speed: 5667 Kbps
Upstream Speed: 855 Kbps
Retrains: 1
Retrain Timer: 0 Days, 18H:47M:52S
ATM QoS class: UBR
Near End CRC Errors Interleave: 3854
Near End CRC Errors Fastpath : N/A
Far End CRC Errors Interleave : 251
Far End CRC Errors Fastpath : N/A
30 Minute Near End CRC Interleave : 12166
30 Minute Near End CRC Fastpath : N/A
30 Minute Far End CRC Interleave : 0
30 Minute Far End CRC Fastpath : N/A
Near End RS FEC Interleave : 0
Near End RS FEC Fastpath : N/A
Far End RS FEC Interleave : 0
Far End RS FEC Fastpath : N/A
30 Minute Near End FEC Interleave : 60887
30 Minute Near End FEC Fastpath : N/A
30 Minute Far End FEC Interleave : 0
30 Minute Far End FEC Fastpath : N/A
30 Minute Discarded Packets Downstream : 0
30 Minute Discarded Packets Upstream : 0
SNR Downstream : 5 dB
SNR Upstream : 9 dB
Attenuation Downstream : 56 dB
Attenuation Upstream : 31 dB
Power Downstream 19.4 dBm
Power Upstream 12.3 dBm

I wouldn't do it. You're at 5Mbps already and despite having ADSL2+ you're pretty far out and are holding what would be considered proper sync (though upstream and downstream are slightly lower than it should ideally be). If you'd like Fast, you'll have to decrease the speed unless Verizon can shorten the line.

Thank you will remain with what I have.

Bob

You're welcome