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344 posts

Ultimate Geek
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Topic # 70068 18-Oct-2010 13:08
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Has anyone been experiencing increased packet loss on ADSL for telstraclear in the Auckland region today and yesterday?

I'm trying to isolate whether the problem is somehow on my end or if there is a wider network issue?

I've been doing ping tests to pingtest.net internode.on.net and a few other international and domestic locations and I seem to be experiencing from 1% - 10% packet loss.

Is this just me?

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Uber Geek
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  Reply # 393166 18-Oct-2010 14:02
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I'm seeing loss today, yup.
Will have a look at my Smokeping graphs later - I thought it was just their Domestic link to Telecom that was crappy, but maybe not.




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Uber Geek
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  Reply # 393171 18-Oct-2010 14:09
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Hmmm looking at my SmokePing actually, it looks fine.
I was def seeing a few packets dropped this morning though, but it looks OK now (and SmokePing only runs every 5 minutes or so)

Have a look here if you want. It's only been running for ~18 hours or so, just bought my Linux box at home online again finally.

Tim




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Ultimate Geek
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  Reply # 393373 18-Oct-2010 22:33
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Hrmm...I think I'm having a localized issue. Seeing packet loss and this looks awful

https://www.speedtest.net/result/994765798.png

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  Reply # 393374 18-Oct-2010 22:34
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Yea. Something's not right there.

Do a traceroute and then ping the first hop that's not your DSL modem/router

How much packet loss do you then see?




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344 posts

Ultimate Geek
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  Reply # 393409 19-Oct-2010 00:53
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I'm getting 1-3% packet loss at the first hop...I've also discovered I'm seeing some packet loss between my router and my modem.

However if I remove the router entirely and bridge connect my PC so I avoid any NAT/routing tables, I still see the packet loss on the telstra network.

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  Reply # 393423 19-Oct-2010 06:45
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spacedog: I'm getting 1-3% packet loss at the first hop...I've also discovered I'm seeing some packet loss between my router and my modem.


Something's very wrong somewhere then!

spacedog: However if I remove the router entirely and bridge connect my PC so I avoid any NAT/routing tables, I still see the packet loss on the telstra network.


You need to find the source of your local LAN packet loss because you can make any comments on the TCL Network.

Are you sure it's not your laptop doing something funky? Sending a lot of upstream traffic? You can verify this with Wireshark if you need to, or just by installing something like Networx network monitoring program. There's a chance your PC has been infected with some malware that's sending lots of crap and choking your upstream.




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344 posts

Ultimate Geek
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  Reply # 393438 19-Oct-2010 07:42
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most of my testing is being done on a PC that is connected via ethernet not via wireless.

the problem occurs when there are no other clients connected to the network

i've also tested this by taking the PC off the ethernet and testing from a laptop connected via wireless

i'm also extremely diligent about malware and virii and that is definitely not an issue (no upstream data is leaving either computer, no weird open ports, etc...)

I've got duplicate equipment on multiple sites so I'm going to swap some equipment around and try to isolate for a hardware failure in either the RT-N16 or the RTA1025W. I'll report back if/when I figure this one out.

Definitely I'm seeing a problem with bandwidth and packet loss into the telstra network UNLESS it's the DSL modem that is actually failing and I'll have that tested today.

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Wannabe Geek


  Reply # 393607 19-Oct-2010 14:18
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yes!

well, half excitement, half not.  I'm experiencing exactly the same situation as yourself.  My connection is over 750 down on the modem (line rate?), but when ever I speedtest / game / download, it's ratty as.





It has been like this for a while, and I did notice that on Sunday night, it briefly was up to 6mbs download, but next day I checked it was back to 1.

Thoughts?



344 posts

Ultimate Geek
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  Reply # 393700 19-Oct-2010 17:31
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What exchange and cabinet are you on? If you don't know you can look it up by typing in your address on this site:

http://www.telecomwholesale.co.nz/maps

i'm auckland central and at/w

my download speeds are yo-yo'ing all over the place. early today I broke 2mpbs but then it dropped back to 1 and at 5:29pm this is what I'm getting now

https://www.speedtest.net/result/995882930.png <-- note upstream faster than downstream

...hideous...especially when I'm testing this right now from parents house in Remuera (who are on testraclear as well) and they are getting 13mbps https://www.speedtest.net/result/995890005.png.

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Wannabe Geek


  Reply # 393703 19-Oct-2010 17:40
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Exchange Area: Auckland Central

I'm actually in Newmarket, but border right on the fringe of the Auckland Central exchange. It says that my area is due for an upgrade in sept 2011 to vdsl :/

I just got home, and about to do a ping flood thingy to see how many packets drop.

edit :

Ping Results: 89 / 100
Packet Size: 32
Avg Round Trip: 34ms
Packet loss = 11%

different location :

Ping Results: 87 / 100
Packet Size: 32
Avg Round Trip: 33ms
Packet loss = 13%

Doesn't look terribly good?




344 posts

Ultimate Geek
+1 received by user: 11


  Reply # 393735 19-Oct-2010 19:15
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What site were you doing those ping tests to? Try pingtest.net and also try pinging the first hop on a tracert that is not your router/modem.

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Wannabe Geek


  Reply # 393752 19-Oct-2010 19:42
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see, look what happens when you give a nub posting rights. ha. First was to google.co.nz then to nzherald.co.nz and third to telstraclear dns.  It was a ping flood - sends out 100 packets pretty speedy.

anyway. when i try pingtest.net, i get all fancy results.  0% packet loss, and 2% jitter.  So I guess I should go with the pingtest.net result, and put the gammy download speed down to exchange congestion or something?

edit : did ping -t to the first ip of a tracert to google.co.nz (lo0.internet.ivpn.pe24.telstraclear.net.nz
) and it's a bit up and down.  don't know if this is normal or not.


Reply from 218.101.61.122: bytes=32 time=38ms TTL=126
Reply from 218.101.61.122: bytes=32 time=183ms TTL=126
Reply from 218.101.61.122: bytes=32 time=39ms TTL=126
Reply from 218.101.61.122: bytes=32 time=40ms TTL=126
Reply from 218.101.61.122: bytes=32 time=38ms TTL=126
Reply from 218.101.61.122: bytes=32 time=38ms TTL=126
Reply from 218.101.61.122: bytes=32 time=38ms TTL=126
Reply from 218.101.61.122: bytes=32 time=346ms TTL=126
Reply from 218.101.61.122: bytes=32 time=252ms TTL=126
Reply from 218.101.61.122: bytes=32 time=38ms TTL=126
Reply from 218.101.61.122: bytes=32 time=38ms TTL=126



344 posts

Ultimate Geek
+1 received by user: 11


  Reply # 393830 20-Oct-2010 00:33
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good results on your pingtest.net pings. However, the test to telstra doesn't look crash hot.  That's the first hop for me as well and it is solid at 38ms for me (except for when it drops a packet entirely)

On another note, what speed does your modem say it is synching at?

You said 750...that seems awfully low and since you got 1.15 on speedtest, i'm guessing you are synching faster than 750.



344 posts

Ultimate Geek
+1 received by user: 11


  Reply # 394202 21-Oct-2010 00:31
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well...i've swapped to a new ADSL modem as it looks like the RTA1025W was having some issues.

However, I'm still seeing 1-2% packet loss all over the place

ping clear.net.nz gives me 2% packet loss tonight....pinging my first hop still shows 1-2%...pingtest.net 1-2%....

This is with a brand new draytek vigor 120 modem directly connected to my PC via ethernet...same thing happens connecting a brand new asus EEE PC laptop running WinXP and virtually no software on it....so it's not related to particular computer, ethernet cable, or operating system

Ticket still open with telstra and awaiting a level2 response...i'm thinking something local is the issue.

When I ping that first hope I get about 10 packets at 37ms and then it will shoot up to 200ms-600ms...or drop the packet entirely. That doesn't strike me as very healthy.

130 posts

Master Geek


  Reply # 394512 21-Oct-2010 20:14
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working fine here

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