VDSL Performance & Tuning

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#825407 25-May-2013 23:18

Yup, looks good. Keep monitoring it for a few more days and that'll give you some good ammo when you call snap.

stevehodge

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#825414 25-May-2013 23:34

hio77:
http://www.wehavemorefun.de/fritzbox/Category:UI-Status-Module

the information there is a little hit and miss however :/

I found pretty much everything there worked for me, including stuff like the hourly CRC errors, SNRM, and bit loadings. Even the CPU temperature. It's awesome!

hio77

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Lizard Networks

#825415 25-May-2013 23:39

stevehodge:
hio77:
http://www.wehavemorefun.de/fritzbox/Category:UI-Status-Module

the information there is a little hit and miss however :/

I found pretty much everything there worked for me, including stuff like the hourly CRC errors, SNRM, and bit loadings. Even the CPU temperature. It's awesome!

yeh, if you look at the div element "log_query" it lists all the querys to produce that page, iv been scratching my head trying to find a way to use them.. now we know ;)

ima be converting the whole program to use the query.lua page, can make it output everything in one page even ;)

#include <std_disclaimer>

Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.

stevehodge

393 posts

Ultimate Geek

#825418 26-May-2013 00:09

hio77: so, this will require finding your sid, but worth a bit of a play..

http://fritz.box/query.lua?crc=sar:status/ds_crc_minute&dsatt=sar:status/ds_attenuation&sid=b5a4871fcd48e25c

If you're just having a look manually you don't need the sid. E.g:
http://fritz.box/query.lua?snr_graph=sar:status/ds_snrArrayXML
when you leave it out it'll redirect to the login page and then redirect back to your query with the sid inserted. How cool is that? I'm really impressed with how accessible they've made this.

hio77

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#825419 26-May-2013 00:13

stevehodge:
hio77: so, this will require finding your sid, but worth a bit of a play..

http://fritz.box/query.lua?crc=sar:status/ds_crc_minute&dsatt=sar:status/ds_attenuation&sid=b5a4871fcd48e25c

If you're just having a look manually you don't need the sid. E.g:
http://fritz.box/query.lua?snr_graph=sar:status/ds_snrArrayXML
when you leave it out it'll redirect to the login page and then redirect back to your query with the sid inserted. How cool is that? I'm really impressed with how accessible they've made this.

doesnt actually work on the newer firmware.. you an error


    {"AuthorizationRequired": "1"}

they have made SO many ways of getting data, and then not documented it, its crazy!

this is however what is used to generate the pages, so its less likely to change..

#include <std_disclaimer>

Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.

stevehodge

393 posts

Ultimate Geek

#825425 26-May-2013 02:00

hio77:
stevehodge:
hio77: so, this will require finding your sid, but worth a bit of a play..

http://fritz.box/query.lua?crc=sar:status/ds_crc_minute&dsatt=sar:status/ds_attenuation&sid=b5a4871fcd48e25c

If you're just having a look manually you don't need the sid. E.g:
http://fritz.box/query.lua?snr_graph=sar:status/ds_snrArrayXML
when you leave it out it'll redirect to the login page and then redirect back to your query with the sid inserted. How cool is that? I'm really impressed with how accessible they've made this.

doesnt actually work on the newer firmware.. you an error
    {"AuthorizationRequired": "1"}

That's a pity. What if you include an incorrect sid value? That also does the redirect thing here.

It'd be great if fritzboxlog had a mode where it read which values to query from a config file and just dumped the output as is into the file. Basically just doing the authentication bit for us.

hio77

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#825427 26-May-2013 02:56

stevehodge:
hio77:
stevehodge:
hio77: so, this will require finding your sid, but worth a bit of a play..

http://fritz.box/query.lua?crc=sar:status/ds_crc_minute&dsatt=sar:status/ds_attenuation&sid=b5a4871fcd48e25c

If you're just having a look manually you don't need the sid. E.g:
http://fritz.box/query.lua?snr_graph=sar:status/ds_snrArrayXML
when you leave it out it'll redirect to the login page and then redirect back to your query with the sid inserted. How cool is that? I'm really impressed with how accessible they've made this.

doesnt actually work on the newer firmware.. you an error
    {"AuthorizationRequired": "1"}
That's a pity. What if you include an incorrect sid value? That also does the redirect thing here.

It'd be great if fritzboxlog had a mode where it read which values to query from a config file and just dumped the output as is into the file. Basically just doing the authentication bit for us.

could do something like that reasonably easy, a rather dirty but fast approach to it would simply be to open a streamwriter and array through the lines sending the request one by one..

ild prefer not to go with something quick and dirty like that though.. poor fritz would have a heart attack ;)

ultimately, i wanna build it so all the captured data gets dumped in a external database (configurable ofcourse for those simply wanting to capture files or something..) which is open to go through and see trending etc, and overall just provide more information..

this little project is just for fun really, but figure may aswell do something rather useful with it ;)

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stevehodge

393 posts

Ultimate Geek

#825515 26-May-2013 12:11

hio77:
ultimately, i wanna build it so all the captured data gets dumped in a external database (configurable ofcourse for those simply wanting to capture files or something..) which is open to go through and see trending etc, and overall just provide more information..

I'd like to use collectd to collect and store the data - I'm already using that to monitor temperature on a couple of my machines. That usually writes to RRD (round robin database) files which are pretty well suited to this sort of thing.

eXDee

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#825609 26-May-2013 17:01

I'm keen on using it for a better logger for my line, as right now im snapping screenshots of statistics, and loggging them at an interval automatically would be preferred (especially at say, 3:30am then at 4:30am which might show a direct before and after of a DLM profile change).

I've dropped to DLM4 now, the weather has cleared up and there are no longer CRC errors:

I have a feeling if i'm getting no errors on DLM4 then they will simply tell me the line is fine and that's the best it'll get. Hoping for some more poor weather to test out my theory if its causing it to degrade.

stevehodge

393 posts

Ultimate Geek

#825622 26-May-2013 17:30

eXDee: especially at say, 3:30am then at 4:30am which might show a direct before and after of a
DLM profile change

If you're thinking this will give you some insight as to what difference the change level makes you'll need to be a little careful about drawing conclusions as I've seen huge variability for sync to sync even on the same DLM level.

If you're thinking it might give some insight about what the conditions that trigger a profile change are, I'm not sure that'll work either. I'm fairly certain that DLM doesn't make the decision at the time of the scheduled change. I've seen cases where no DLM change has happened at 4:10am but a DLM change has happened after a reboot at another time. So I think at least sometimes DLM decides in advance what the next level will be but doesn't schedule the change for the next morning.

eXDee

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#825672 26-May-2013 19:20

I'm thinking more like, watching the error counts change between DLM levels sort of thing.

Anyone know why errors can show zero but the unrecoverable errors graph still shows a huge number? Is this measuring something completely different, or is it just broken?

stevehodge

393 posts

Ultimate Geek

#825690 26-May-2013 19:44

eXDee: I'm thinking more like, watching the error counts change between DLM levels sort of thing.

Aha. As I said I've seen a lot of variation just on a single DLM level. I'm not sure if there are DLM settings we can't see or if there is just a lot of variation based on conditions. I don't want to resync too often to try to figure it out lol.

Anyone know why errors can show zero but the unrecoverable errors graph still shows a huge number? Is this measuring something completely different, or is it just broken?

I think it's broken. I wouldn't be surprised if there was a little difference between the stats and the graphs but it's shouldn't be that high. They are supposed to measure the same thing.

SamF

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#825749 26-May-2013 21:49

I've been thinking, it would be handy to gather typical stats from people with reasonable lines so that we have some baselines for new VDSL users to compare their own line stat to. We'd just need line attenuation, sync speed & CRCPM (untweaked). It would be handy to have CRCPM stats for DLM-4, 2 & 1, BUT I realise that not everyone will have all these recorded. Another useful one might be distance from the cabinet, but that may be a bit inaccurate.

eg;
Attenuation, Distance, Sync, DLM, CRCPM
9db, 350m, 50mbit, 1, 2.5

hio77

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#825974 27-May-2013 12:06

stevehodge:
hio77:
ultimately, i wanna build it so all the captured data gets dumped in a external database (configurable ofcourse for those simply wanting to capture files or something..) which is open to go through and see trending etc, and overall just provide more information..

I'd like to use collectd to collect and store the data - I'm already using that to monitor temperature on a couple of my machines. That usually writes to RRD (round robin database) files which are pretty well suited to this sort of thing.

could quite possibly do something along those lines..

so now that its confirmed both firmwares can use query urls, moved onto solidly using them. so only the login process is different. along with that, the process of getting a query dictionary is completely modular.

this way as mentioned earlier, a text file could be read and spat out, so ill add that as a feature at some point.

eXDee: I'm thinking more like, watching the error counts change between DLM levels sort of thing.

Anyone know why errors can show zero but the unrecoverable errors graph still shows a huge number? Is this measuring something completely different, or is it just broken?

busts of errors? noticed a few error rates seem to be a tad off compared to the per min rate.. tried rebooting your device and see if it doesn't sort it?

#include <std_disclaimer>

Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.

stevehodge

393 posts

Ultimate Geek

#826034 27-May-2013 12:21

hio77: only the login process is different. along with that, the process of getting a query dictionary is completely modular.

What's changed with the login process?

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