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Forums » US Cable Support » Charter HSI/CATV » East Tennessee latency problems
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A request to Charter Cable admin staff »
« Signal Levels  
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GreatPumpkin

join:2003-01-24
Knoxville, TN

East Tennessee latency problems

Just started noticing this a few nights ago and it continues tonight. 3rd hop through Kingsport is getting bad, and it was about 100ms higher an hour ago. This isn't the first time it's happened over the years and it was fixed before so I assume it's being monitored and worked on. Just hope it doesn't take long for a fix. Anyone got any input?

Tracing route to www.yahoo-ht3.akadns.net [69.147.114.210]
over a maximum of 30 hops:

1 9 ms 11 ms 8 ms 10.179.192.1
2 14 ms 13 ms 21 ms 71-80-70-121.dhcp.kgpt.tn.charter.com [71.80.70.
121]
3 128 ms 130 ms 129 ms 24-158-96-226.static.kgpt.tn.charter.com [24.158
.96.226]
4 150 ms 163 ms 164 ms 12.124.59.113
5 165 ms 152 ms 152 ms gbr2.attga.ip.att.net [12.123.197.190]
6 173 ms 162 ms 163 ms tbr2.attga.ip.att.net [12.122.12.37]
7 171 ms 168 ms 160 ms cr1.attga.ip.att.net [12.122.12.93]
8 166 ms 173 ms 171 ms cr2.wswdc.ip.att.net [12.122.1.174]
9 175 ms 181 ms 169 ms 12.122.16.14
10 159 ms 154 ms 157 ms gar8.wswdc.ip.att.net [12.122.113.21]
11 147 ms 147 ms 148 ms 12.86.111.22
12 162 ms 161 ms 168 ms ge-3-1-0-p170.msr2.re1.yahoo.com [216.115.108.69
]
13 163 ms 153 ms 158 ms gi1-22.bas-a2.re3.yahoo.com [66.196.112.27]
14 163 ms 168 ms 167 ms f1.www.vip.re3.yahoo.com [69.147.114.210]

Trace complete.

neofate
Caveat Depascor
Premium
join:2003-11-11
Birmingham, AL

Re: East Tennessee latency problems

Well on a positive note its IN your Headend/CMTS -- If its happened before, and been fixed.. It is very likely an issue with a router. I'm sure they are aware of it, and will get it straightened out shortly.

Won't hurt to give them a call anyway, or if your local office is close by stop by and see if a tech is around.

(only if is close) and the problem is still occurring.
--
Life is not a problem to be solved, but a reality to be experienced.
IsdnWolf
Premium
join:2002-05-24
Cleveland, TN
We are in the process of turning up a new OC-48 with ATT. This will help the areas in East TN fed out of the ATT pipe.

Everything is done, just waiting for the final testing to be completed by ATT. Should not be to much longer.

GreatPumpkin

join:2003-01-24
Knoxville, TN
As always, IsdnWolf is on top of things in the East TN area. Thanks again, we're lucky to have you man!

I didn't notice the bad hop last night but I'll keep an eye on it in the weeks to come.

neofate
Caveat Depascor
Premium
join:2003-11-11
Birmingham, AL

Re: East Tennessee latency problems

Sounds like you guys are going to be golden soon.

We had a new OC-48 added to our existing OC, and it has helped tremendously in the G'bham area.

I know some areas still have speed issues.. But a majority do not.. If you are fed off the Headend in Leeds.. I can attribute your bandwidth will be fulfilled. Not only are there two 48's running, but the upgrade to 10series + has been in place.

Just a long way of saying,.. I think you'll be pleased with the added bandwidth.

Also, ISDN, I didn't know you worked for Charter. -- For some reason I thought you were with the Telco,.. have you worked for Charter for a looong time? Or just a few years?

Take care,
--
Life is not a problem to be solved, but a reality to be experienced.
IsdnWolf
Premium
join:2002-05-24
Cleveland, TN

Re: East Tennessee latency problems

10 Years in October...

I was with the Georgia group before transferring to TN. I have been getting an itch for something else though. Perhaps one of the smaller ISP's in the area.

Going to renew my CCNA in a couple of weeks and then knock out the CCNP after that. Perhaps I will put myself out in the job market in another couple of months..

Who knows. Charter has been good to me though. No hurry now.

volntn
The Volunteer
Premium
join:2002-01-05
Cleveland, TN
clubs:

Re: East Tennessee latency problems

Several good ,small ISP/Web developers in Cleveland and Chattanooga.

volntn
The Volunteer
Premium
join:2002-01-05
Cleveland, TN
clubs:
Wolf has been around here for 4 or 5 years. He was previously in Ga.

GreatPumpkin

join:2003-01-24
Knoxville, TN
Just an update:

Past couple nights I have noticed no problems.

volntn
The Volunteer
Premium
join:2002-01-05
Cleveland, TN
clubs:
Well...None Internet wise, However Video On Demand for My area is not working.
HighLonesome

join:2006-01-16
Johnson City, TN
I'm still seeing latency issues in the evenings. It seems like it is getting bogged down at ATT in Atlanta. My ping jumps up over 150ms. It was starting in Kingsport, but now it is at the Atlanta hop.

Wolf- any update on the OC-48?
Pitchy

join:2006-02-19
Kingsport, TN

Tracing route to yahoo.com [216.109.112.135]
over a maximum of 30 hops:

1 1 ms 1 ms 1 ms 192.168.1.1
2 6 ms 8 ms 8 ms 10.164.0.1
3 11 ms 16 ms 11 ms 24-158-109-225.dhcp.kgpt.tn.charter.com [24.158.109.225]
4 107 ms 107 ms 111 ms 24-158-96-226.static.kgpt.tn.charter.com [24.158.96.226]
5 124 ms 125 ms 119 ms 12.125.220.49
6 131 ms 128 ms 129 ms tbr2.attga.ip.att.net [12.123.20.214]
7 120 ms 133 ms 131 ms cr1.attga.ip.att.net [12.122.12.53]
8 145 ms 134 ms 135 ms cr2.wswdc.ip.att.net [12.122.1.174]
9 132 ms 125 ms 131 ms 12.122.16.86
10 138 ms 164 ms 154 ms 12.122.113.81
11 151 ms 154 ms 160 ms 12.86.111.22
12 156 ms 181 ms 141 ms ge-0-0-0-p130.msr2.dcn.yahoo.com [216.115.108.13]
13 148 ms 152 ms 162 ms ge10-2.bas2-m.dcn.yahoo.com [216.109.120.249]
14 159 ms 148 ms 147 ms w2.rc.vip.dcn.yahoo.com [216.109.112.135]

Trace complete.

Same results here... Been going on for the last few days. It usually takes a day or two before I get upset enough to call, and a few more days before I log in here.

Glad ISDNWolf is still here to clue me in on what's going on. God knows that tech support you get on the phone are next to retarded.

I tried to explain the tracert issue and the lady kept telling me she needed to check my signal strength and send a technician out. I finally told her this... imagine I leave my house, I turn off my street, to the main road and drive 4 miles to the interstate. If traffic is fine on my street and on the main road, but gets backed up on the interstate, would you send a guy to my house to determine why the interstate is backed up.

RobotLegs

@wkpttv.com
any update on this OC-48? had this issue for almost a week straight. speed is horrible between 8 PM to midnight.

was told to go to 2wire.com for a speed test and I was getting 1.5 to 2.5 on my 5 meg connection
IsdnWolf
Premium
join:2002-05-24
Cleveland, TN
Looking like next week.. Tuesday night/Wed morning.

This could change depending on how things go between us and ATT.

RobotLegs

@wkpttv.com

Re: East Tennessee latency problems

thanks for the heads up Wolf. just curious why happens every year or so?

why not upgrade ahead of time so when you reach capacity we don't have 2+ weeks of horrible service?

the only thing keeping me on charter is the lack of competetion. embark in the area really isn't offering the speeds that charter is so I'm sort of stuck and out of luck.

almost makes me want to move to a Fios covered area.
IsdnWolf
Premium
join:2002-05-24
Cleveland, TN

I can not go into to many details. Non-disclosures, trade secrets, and the such. I am sure Charter management as well as other providers read these posts.

We have to negotiate with providers for bandwidth to get the best possible price. We actually order this circuit around 9 months ago.

But between legal, paper work.. Then working with the telco to get the service in. In this case, ATT had to upgrade their POP because they could not provide the bandwidth.

Also, now that ATT bought Bellsouth. ATT is in no hurry to provide bandwidth right away. Not saying that is what happened here, but something to look at.

We are already in the process of negotiating bandwidth for next year. We are looking at creating another egress point elsewhere in the state. I know we are looking at several providers for this egress point.

When dealing with the Telco's it takes a long time. Took almost 6 months to get a DS3 ordered for our system in Ohio.

Anyways, next week provided all goes well.
Pitchy

join:2006-02-19
Kingsport, TN

Oh man... next week eh? I've got a clan match I am going to have to drop out of Sunday night because there's no way I can play with a 150-300 ping.

Tracert to my game server has some time outs on it now. But I guess I can hold off on until Wed. No use really trying to game during peak time until it's resolved and the new OC-48 is up and going.

I think for all the pain and anguish Charter puts us through, they should funnel us our own OC-48 directly to our homes. That would definitely make up for it

Thanks for the intel... without you I'd still be getting incredibly irate with tech support. Can't believe they still answer my calls
Pitchy

join:2006-02-19
Kingsport, TN

Re: East Tennessee latency problems

Looks like one a different scenario tonight... I'm doing good on on the first five hops, but the trade off to AT&T seems to choke. Averaging about 30-40ms on hops 1-5 and then hop 6 jumps to 150.

Earlier my problem began at hop 4, now it's 6. I can only hope that when the OC-48 is in place that AT&T at least resolves their issues.

If memory serves me correctly, it was AT&T causing the problem back in Dec 06 that lasted like 3 months or more.
morvix

join:2007-07-26
Kingsport, TN

Re: East Tennessee latency problems

Pitch, where ya out? I am across from Sevier Middle off Catawba downtown KPt. I am an IT consultant for a living and depend on my 10/1 connection for VPN, VOIP, remote connections, etc.. For awhile I was getting 4 - 6mb a sec at most from my 10mb line. After three months locating the problem I finally figured out it only happened when I was placed on the 24.xx ip subnet, never happened on the 71 or that 60 one they use. So I was going back and forth with charter techs, they said it was a virus on my computer cause I had too many lan connections listed in a ipconfig /all and I had too many UDP and TCP ports "listening" in a netstat -na. After explaining this to the phone tech for like half an hour about how I know exactly they were created and they were not virus' she told me to update my NIC card. Which was lovely as it kept randomly issing a blue screen of death and a STOP error on the vista ultimate machine. Finally they came back to my e-mail and said it was computer related with no additional info.

I was pretty upset at this point as I pay for two seperate modem lines with two seperate modems a 5mb and a 10mb, I also pay for charter tv services on two boxes so I am shelling out close to 220 bucks a month. I called back and told the next tech about what I found out on the IP and he said he would note it down and if there was anything else. So now I was just like "well this has been happening for three months and I just figured the problem is on your side and how to fix it, stick me on the 71 ip and keep me there until you get the 24 ip routing fixed, I think this need more attention then a note" Then the guy on the phone tried to sell me business services with a fixed ip as they could not put me on a 71.xx subnet. So I told this guy to get me his supervisor and he would not do it, he kept trouble shooting the problem trying to find something wrong with my computer. I sent him my QCR results again and I have not heard back. Right now I am on the 60 subnet which seems to be ok it is the 24 subnet that kills me when it is assigned speed wise. Just a thought and maybe some info on who you are dealing with on the phone. Charter will blame everything before themselves, you got a router? It's the router. Your NIC card is bad, the modem is bad, etc.. never will they admit to a problem on their end without you working your wording right telling em you have no router it is directly into the modem, that you own the modem and it is 3 months old etc.. THey were going to roll another truck out here but the last one replaced everything except the pole wire and problem still persists. So after I found the IP thing I canceled that but still have had no perm resolution, unless you call manually renewing the ip of the modem on purpose all the time hoping for a re-assign to the 71.xx subnet is fixed. Latencey though here has been fine, call them, tell em you have a routing issue and you can run QCR to prove it and then ask for their e-mail and send it in and they will send it to the techs. Sorry for the long winded reply, needed to vent, the latency is fine even ont the 24.xx ip subnet, I am running it through a router at the moment, but pop it off the router and do a speed test the max I will see is 5mb a sec until I pull a 71.xx ip then my downloads will be 10200k a sec again. My uploads are always 999k a sec and I have 10/1 through a router or on the modem only and on any subnet. .

Tracing route to yahoo.com [216.109.112.135]
over a maximum of 30 hops:

1 1 ms 1 ms 1 ms 192.168.1.1
2 8 ms 10 ms 8 ms 10.164.0.1
3 7 ms 7 ms 8 ms 24-158-109-225.dhcp.kgpt.tn.charter.com [24.158.
109.225]
4 18 ms 8 ms 8 ms 24-158-96-226.static.kgpt.tn.charter.com [24.158
.96.226]
5 18 ms 21 ms 18 ms 12.125.220.49
6 37 ms 37 ms 48 ms tbr2.attga.ip.att.net [12.123.20.214]
7 37 ms 36 ms 37 ms 12.122.17.97
8 36 ms 37 ms 37 ms cr2.wswdc.ip.att.net [12.122.1.174]
9 39 ms 36 ms 45 ms 12.122.16.78
10 36 ms 37 ms 37 ms 12.122.113.77
11 38 ms 41 ms 38 ms 12.86.111.22
12 37 ms 37 ms 45 ms ge-1-0-0-p120.msr1.dcn.yahoo.com [216.115.108.49
]
13 38 ms 38 ms 36 ms ge7-2.bas2-m.dcn.yahoo.com [216.109.120.197]
14 57 ms 37 ms 38 ms w2.rc.vip.dcn.yahoo.com [216.109.112.135]

Trace complete.
Pitchy

join:2006-02-19
Kingsport, TN

Re: East Tennessee latency problems

I'm right off Bloomingdale Pk... right down from CVS. Currently on 66.x.x.x which at night is unbearable.

Your story seems very typical... the best one was when a Charter tech actually had the audacity to tell me that SPYWARE had infected my router. I couldn't help but to laugh at him for that one. I told him I was experiencing the same results on my PS2, my X-Box and several PC's, one of which was running Linux (Linspire 5.0 now Ubuntu) He kept trying to tell me that my PC was infected with spyware and virus' which was causing the slow down, so when I told him I saw the same problem with slow speed on every piece of equipment that had an ethernet port, he then proceeded with his theory that the spyware had somehow infected my router.

I was playing 2142 some tonight up until 30 mins ago when my ping went from 80ms to 200ms+. It's impossible to play a good game like that. 80ms is tough, but I still kick ass, but 200ms going up against someone with 15-20ms just can't cut it.

Right now my TV service is DirecTV which I am not happy with the picture quality... but I'll be damned if I give Charter any more of my money.

Hopefully IsdnWolf will work his magic so I don't have to defect to Embarq and DSL.
morvix

join:2007-07-26
Kingsport, TN

Re: East Tennessee latency problems

Yeah you may wanna also call in and say you are having an ongoing issue with network latency and that you would like to do a QCR test and forward the result to a tech. Hopefully they will figure out what you mean, QCR is the charter exe that just does a netstat and a bunch of other stuff and outputs it to the file. We are going through the same hops, look at my trace above, but my ms is decent.. So you may wanna just give them a ring since it does look like it occurs at a hop and not your router (they blame the router all the time), just a thought, I am going to wish for FiOS to come here tonight lol
IsdnWolf
Premium
join:2002-05-24
Cleveland, TN

Maint should be done this week. I have not heard anything to the contrary.

I am not going to be doing this maint, actually, I will probably sleep through it. Our network engineer in Tri-Cities will be doing the actual cut over. He is one of the best within Charter.

Some of you have noticed that certain blocks have latency while others do not. Just depends on which circuit that particular block is going through.

Do have to reboot the router in Cleveland. Doing that Wed. night at around midnight. Should only be down for around half an hour.

volntn
The Volunteer
Premium
join:2002-01-05
Cleveland, TN
clubs:

Re: East Tennessee latency problems

Thanks for the heads up Wolf.
morvix

join:2007-07-26
Kingsport, TN
Kingsport went down from 2am - 8am Tues morn ISDN what was up? =) My ping to att is ok but still jumps 20ms just getting into the att hops, I would like 25ms pings to my game servers but alas just a dream
IsdnWolf
Premium
join:2002-05-24
Cleveland, TN

Re: East Tennessee latency problems

Ok.. Tuesday morning, our Network Engineer in Tri-Cities moved us to another ATT pipe..

More bandwidth and hopefully less latency..

Average latency is around 15-20 ms to Headend and between 30-50 ms accross the att network.. So you are looking at around 70 ms average.

Robot Legs

@wkpttv.com

Re: East Tennessee latency problems

what's the deal with at&T lately? several topics on here about at&t being the choke point. i don't recall my average ping being in the 70ms range a few months ago. seems to be a recent event and if the oc48 pipe doesn't take care of that then shouldn't it be time you guys look for another backbone provider?
Pitchy

join:2006-02-19
Kingsport, TN

Re: East Tennessee latency problems

Sadly I see no improvement. My ping times are still out-freaking-rageous. My game server is ping average is 173ms.

Yahoo ping is 166ms. Every server in 2142 is showing up amber or red, which are pretty much unplayable.

Tracing route to 8.6.8.55 over a maximum of 30 hops

1 3 ms 1 ms 1 ms 192.168.1.1
2 8 ms 8 ms 7 ms 10.164.0.1
3 11 ms 22 ms 16 ms 24-158-109-225.dhcp.kgpt.tn.charter.com [24.158.109.225]
4 110 ms 112 ms 133 ms 24-158-96-226.static.kgpt.tn.charter.com [24.158.96.226]
5 122 ms 123 ms 120 ms 12.86.91.73
6 130 ms 136 ms 135 ms tbr1.attga.ip.att.net [12.122.96.18]
7 123 ms 125 ms 125 ms 12.122.96.5
8 134 ms 127 ms 125 ms 192.205.34.62
9 134 ms 140 ms 159 ms ae-31-53.ebr1.Atlanta2.Level3.net [4.68.103.94]
10 138 ms 129 ms 127 ms ae-68.ebr3.Atlanta2.Level3.net [4.69.134.50]
11 153 ms 160 ms 159 ms ae-7.ebr2.Dallas1.Level3.net [4.69.134.21]
12 166 ms 162 ms 164 ms ae-78.ebr3.Dallas1.Level3.net [4.69.135.6]
13 183 ms 185 ms 182 ms ae-3.ebr2.LosAngeles1.Level3.net [4.69.132.77]
14 * 189 ms * ae-78.ebr3.LosAngeles1.Level3.net [4.69.135.14]
15 196 ms 196 ms 189 ms ae-2.ebr3.SanJose1.Level3.net [4.69.132.9]
16 210 ms 195 ms 196 ms ae-73-73.csw2.SanJose1.Level3.net [4.69.134.230]
17 198 ms 199 ms 193 ms ae-21-79.car1.SanJose1.Level3.net [4.68.18.67]
18 183 ms 175 ms 181 ms 8.6.8.55

Trace complete.

WTF is going on after the DHCP server in Kingsport? This is the problem I have been having for nearly a month.

Any one else in Kingsport seeing this? I appreciate the work Isdnwolf has done, but this is getting extremely annoying.

volntn
The Volunteer
Premium
join:2002-01-05
Cleveland, TN
clubs:


1 edit
Only Charter and ISDNwolf knows the story. But just from you guys pings, It looks like its overcrowded or the circut isnt able to deliver its full capacity for whatever reason.

Here is a trace from Cleveland,thru kingsport to yahoo.

1, 192.168.1.1, 1ms,None,0%
2, 10.95.64.1, 14ms,None,0%
3, 71.80.70.62, 16ms,71-80-70-62.dhcp.kgpt.tn.charter.com,0%
4, 24.159.64.49, 14ms,24-159-64-49.static.jcsn.tn.charter.com,0%
5, 64.200.71.13, 14ms,None,0%
6, 64.200.240.238, 20ms,None,0%
7, 64.200.249.37, 187ms,brvwil1wcx3-pos9-1-oc48.wcg.net,0%
8, 64.200.249.190, 29ms,None,0%
9, 4.68.110.37, 26ms,te-4-4-71.car2.Chicago1.Level3.net,0%
10, 4.68.101.62, 31ms,ae-32-52.ebr2.Chicago1.Level3.net,0%
11, 4.69.134.62, 28ms,ae-78.ebr3.Chicago1.Level3.net,0%
12, 4.69.132.70, 43ms,ae-2.ebr2.Washington1.Level3.net,0%
13, 4.69.134.154, 47ms,ae-82-82.csw3.Washington1.Level3.net,0%
14, 4.68.17.131, 126ms,ae-31- 89.car1.Washington1.Level3.net,0%
15, 4.79.228.2, 50ms,None,0%
16, 216.115.108.17, 41ms,ge-2-1-0-p140.msr1.re1.yahoo.com,0%
17, 68.142.238.65, 40ms,gi1-22.bas-a1.re3.yahoo.com,0%
18, 69.147.114.210, 42ms,f1.www.vip.re3.yahoo.com,0%
Pitchy

join:2006-02-19
Kingsport, TN

Re: East Tennessee latency problems

Your 4th hop is going through a different server

4] 24.159.64.49, 14ms, 24-159-64-49.static.jcsn.tn.charter.com,0%

4] 110 ms 112 ms 133 ms 24-158-96-226.static.kgpt.tn.charter.com [24.158.96.226]

BIG BIG DIFFERENCE! You got 14ms at the jcsn server, I hit the kgpt server at 100-250ms depending on the time of day.

I always have a great ping response at the dhcp server, but it's tat static one that is really kicking my ass.
ArkiMage

join:2001-06-30
Kingsport, TN

Re: East Tennessee latency problems

If you are seeing >30ms latency to a host that is still within Charter's local network, then obviously that has nothing to do with their pipe to the internet. A local problem on your end, your node, something else with their local or fiber/coax network, or possibly you're saturating your bandwidth at the time of the test.

Anyway, compare/contrast Charter Cable vs Embarq DSL at 8:30PM

Charter:
# traceroute 216.109.112.135
traceroute to 216.109.112.135 (216.109.112.135), 30 hops max, 40 byte packets
1 10.164.0.1 (10.164.0.1) 9.984 ms 13.581 ms 17.123 ms
2 24-158-109-225.dhcp.kgpt.tn.charter.com (24.158.109.225) 12.125 ms 18.569 ms 19.876 ms
3 24-158-96-226.static.kgpt.tn.charter.com (24.158.96.226) 26.541 ms 27.898 ms 34.535 ms
4 12.86.91.73 (12.86.91.73) 40.582 ms 45.923 ms 50.199 ms
5 tbr2.attga.ip.att.net (12.122.96.78) 75.082 ms 79.444 ms 84.092 ms
6 12.122.17.97 (12.122.17.97) 88.207 ms 87.737 ms 91.279 ms
7 cr2.wswdc.ip.att.net (12.122.1.174) 96.081 ms 40.056 ms 43.373 ms
8 12.122.16.14 (12.122.16.14) 47.241 ms 51.542 ms 55.784 ms
9 gar8.wswdc.ip.att.net (12.122.113.21) 75.952 ms 77.254 ms 78.831 ms
10 12.86.111.22 (12.86.111.22) 50.291 ms 54.146 ms 58.791 ms
11 ge-1-0-0-p120.msr1.dcn.yahoo.com (216.115.108.49) 62.255 ms 66.288 ms ge-0-0-0-p120.msr1.dcn.yahoo.com (216.115.108.9) 69.675 ms
12 ge2-2.bas1-m.dcn.yahoo.com (216.109.120.142) 73.008 ms ge7-1.bas2-m.dcn.yahoo.com (216.109.120.207) 85.011 ms 43.993 ms
13 * * *

Embarq DSL:
# traceroute 216.109.112.136
traceroute to 216.109.112.136 (216.109.112.136), 30 hops max, 40 byte packets
1 router (192.168.100.1) 1.254 ms 2.285 ms 2.668 ms
2 tn-76-7-104-1.dhcp.embarqhsd.net (76.7.104.1) 12.250 ms * *
3 * * tn-76-5-159-237.sta.embarqhsd.net (76.5.159.237) 18.205 ms
4 sl-gw11-atl-6-0.sprintlink.net (144.223.131.9) 47.855 ms 31.892 ms 58.048 ms
5 sl-bb22-atl-5-0.sprintlink.net (144.232.12.85) 37.145 ms 60.835 ms 70.082 ms
6 sl-bb23-fw-13-0.sprintlink.net (144.232.8.67) 83.665 ms 37.203 ms 36.350 ms
7 * * *
8 tbr2.dlstx.ip.att.net (12.123.16.14) 66.928 ms 87.542 ms 69.879 ms
9 tbr1.sl9mo.ip.att.net (12.122.10.89) 94.646 ms 85.336 ms 96.943 ms
10 tbr1.wswdc.ip.att.net (12.122.10.29) 116.264 ms 104.004 ms 77.860 ms
11 gar8.wswdc.ip.att.net (12.122.113.21) 60.536 ms 72.368 ms 60.404 ms
12 12.86.111.22 (12.86.111.22) 65.686 ms 60.587 ms 66.487 ms
13 ge-1-0-0-p120.msr1.dcn.yahoo.com (216.115.108.49) 69.192 ms ge-0-0-0-p120.msr1.dcn.yahoo.com (216.115.108.9) 62.896 ms ge-0-0-0-p130.msr2.dcn.yahoo.com (216.115.108.13) 70.827 ms
14 ge2-2.bas1-m.dcn.yahoo.com (216.109.120.142) 61.896 ms ge7-1.bas2-m.dcn.yahoo.com (216.109.120.207) 61.485 ms ge7-2.bas1-m.dcn.yahoo.com (216.109.120.201) 67.553 ms
15 * * *
Pitchy

join:2006-02-19
Kingsport, TN

Re: East Tennessee latency problems

Tracing route to google.com [72.14.207.99]
over a maximum of 30 hops:

1 1 ms 1 ms 1 ms 192.168.1.1
2 22 ms 9 ms 32 ms 10.164.0.1
3 9 ms 7 ms 10 ms 24-158-109-225.dhcp.kgpt.tn.charter.com [24.158.109.225]
4 172 ms 160 ms 155 ms 24-158-96-226.static.kgpt.tn.charter.com [24.158.96.226]
5 172 ms 173 ms 175 ms 12.86.91.73
6 186 ms 190 ms 189 ms tbr2.attga.ip.att.net [12.122.96.78]
7 192 ms 174 ms 173 ms ggr2.attga.ip.att.net [12.123.20.205]
8 160 ms 158 ms 170 ms 192.205.33.90
9 161 ms 164 ms 162 ms atl-core-02.inet.qwest.net [205.171.21.101]
10 202 ms 185 ms 198 ms jfk-core-02.inet.qwest.net [67.14.5.10]
11 209 ms 190 ms 193 ms jfk-edge-20.inet.qwest.net [205.171.230.17]
12 199 ms 213 ms 205 ms 205.171.37.10
13 215 ms 224 ms 220 ms 72.14.233.113
14 207 ms 213 ms 210 ms 66.249.94.94
15 219 ms 217 ms 214 ms 72.14.236.134
16 197 ms 198 ms 193 ms eh-in-f99.google.com [72.14.207.99]

Trace complete.

Look at my 4th hop. If my first 3 hops are well within normal then somehow magically after 7pm the 4th hop skyrockets by 100ms or more, then how can that be on my end?

I hit my DHCP server in this tracert at 10ms and under... when it leaves the DHCP server to the STATIC server it goes from 10ms up to 172ms.

6pm or earlier I have great ping times to servers. Around 9pm is when it's the worst.

If this was limited to one PC then I would think of it as a specific problem... but I just booted up my laptop and hit 3 open unsecure WiFi networks in my apartment complex and a house behind me and what do you know... all 3 WiFi networks are showing the EXACT same scenario. So the problem is not isolated to me or my modem when I am seeing it on 4 different networks.

Tracerts on the 3 WiFi connections as well as my own all choke out at static.kgpt.tn.com.

However it is odd that your time is much much better at static.kgpt.tn.com than mine and my neighbors.
ArkiMage

join:2001-06-30
Kingsport, TN

Re: East Tennessee latency problems

I may have just tested it a bit early, I too see the 200ms+ times between those hops now.

That's not a "dhcp server" and "static server". Those are simply components of the reverse DNS names for those addresses. I'd also say they're not keeping that info all that up-to-date, the IP I have right now resolves as:

# host 24.159.42.xxx
xxx.42.159.24.in-addr.arpa domain name pointer 24-159-42-xxx.static.kgpt.tn.charter.com.

I don't have a static IP, power cycle the modem and I'll have a different one. Yet the IP I have right now has .static. in it's name. It would be nice if the *router* IPs they pipe traffic through had a reverse DNS name like oc48-att-atlanta.chartertn.net or something like that instead of a "cable modem" address, but they've probably got more important things to worry about...

So anyway, what's it look like the other way around, a trace from outside back towards my cable modem IP?

# traceroute 24.159.42.xxx
traceroute to 24.159.42.xxx (24.159.42.xxx), 30 hops max, 46 byte packets
1 router (216.184.67.xx) 0.573 ms 0.495 ms 0.489 ms
2 interconnect-86-153.bvunet.net (216.184.86.153) 0.375 ms 0.485 ms 0.536 ms
3 interconnect-86-33.bvunet.net (216.184.86.33) 2.152 ms 1.981 ms 2.019 ms
4 12.125.220.97 (12.125.220.97) 16.980 ms 17.248 ms 16.201 ms
5 tbr1.attga.ip.att.net (12.123.20.210) 21.054 ms 21.912 ms 21.897 ms
MPLS Label=31910 CoS=0 TTL=127 S=0
6 gar9.attga.ip.att.net (12.122.96.21) 20.609 ms 21.067 ms 20.920 ms
7 12.86.91.74 (12.86.91.74) 26.787 ms 27.337 ms 26.328 ms
8 24-158-96-225.static.kgpt.tn.charter.com (24.158.96.225) 127.577 ms 132.436 ms 136.268 ms
9 ts3srptritn.kgpt.tn.charter.com (24.158.109.226) 135.089 ms 129.852 ms 123.920 ms
10 * * *

It's hard to be certain not knowing more about their network topology but I'm going to guess this IP is the handoff point between Charter and AT&T. If so then they're still saturated, OC48 or not. Again though, it's hard to be certain peering in from the outside. Perhaps ISDNWOLF or others can give some insight to the network layout here.

Oh, and here's some info on the "DHCP server" on Charter's local network and a few other things... Gotten from serial port off the cable modem during acquisition.

Cable Modem IP Address = 10.164.5.xx
Cable Modem Subnet Mask = 255.255.192.0
Relay Agent IP Address = 10.164.0.1
TimeOffset = -18000
Time Server IP Address #1 = 68.114.38.197
Gateway IP Address #1 = 10.164.0.1
TFTP Server IP Address = 68.114.38.197
DHCP Server IP Address = 68.114.38.194
TFTP boot filename = {something}
IP address lease time = 604770 seconds
IP address lease time remaining = 604768 seconds
DHCP state => Address acquisition successful
Adding IP address to Cable port successful !
Adding IP address to Ethernet port successful !
IsdnWolf
Premium
join:2002-05-24
Cleveland, TN

Re: East Tennessee latency problems

I am looking at it..

We are only at 50% capacity out to the Internet, but I see some other places where there is some congestion.

Let me see if there is a way to balance it out.
Pitchy

join:2006-02-19
Kingsport, TN

quote:
That's not a "dhcp server" and "static server". Those are simply components of the reverse DNS names for those addresses. I'd also say they're not keeping that info all that up-to-date, the IP I have right now resolves as:

Arki...

Yeap, know those aren't DHCP and Static servers per-se. But it was easier to refer to them based on those names than typing out the IP or the full RDNS name.

I hate to say that I am glad you see the 200ms issue, but it is a relief that you do. I was baffled as to why you had a great response time at 'static' and mine was vastly higher than yours. Now it makes a lot more sense.

volntn
The Volunteer
Premium
join:2002-01-05
Cleveland, TN
clubs:

If this is only happening at night then you have been hit by the "oversold" bug. Nothing you can do but wait for them to add more bandwidth. 6-10pm is Internet prime time. If thats the only time its happening then they dont have enough bandwidth purchased. Hopefully it wont drag on for months like it did the last time. Around 2002/03
Pitchy

join:2006-02-19
Kingsport, TN

Re: East Tennessee latency problems

The last one that hit me bad was Dec 05 - Mar 06. In 2002 I was lucky enough to be on Comcast

NOW!!! This is what I am used to seeing right here:
Tracing route to google.com [72.14.207.99]
over a maximum of 30 hops:

1 1 ms 1 ms 1 ms 192.168.1.1
2 9 ms 8 ms 9 ms 10.164.0.1
3 7 ms 9 ms 7 ms 24-158-109-225.dhcp.kgpt.tn.charter.com [24.158.109.225]
4 11 ms 9 ms 9 ms 24-158-96-226.static.kgpt.tn.charter.com [24.158.96.226]
5 15 ms 24 ms 16 ms 12.86.91.73
6 16 ms 16 ms 17 ms tbr1.attga.ip.att.net [12.122.96.18]
7 15 ms 15 ms 15 ms ggr2.attga.ip.att.net [12.123.20.201]
8 16 ms 15 ms 16 ms 192.205.33.90
9 17 ms 21 ms 26 ms atl-core-02.inet.qwest.net [205.171.21.101]
10 33 ms 33 ms 32 ms jfk-core-02.inet.qwest.net [67.14.5.10]
11 42 ms 38 ms 40 ms jfk-edge-20.inet.qwest.net [205.171.230.17]
12 38 ms 37 ms 38 ms 205.171.37.10
13 42 ms 46 ms 44 ms 72.14.233.115
14 44 ms 46 ms 54 ms 66.249.94.92
15 47 ms 49 ms 46 ms 72.14.236.130
16 48 ms 52 ms 55 ms eh-in-f99.google.com [72.14.207.99]

Trace complete.

But around 8-9pm you can tack on 100-200 to the majority of those hops.

Thanks Wolfman for looking into it... been driving me nuts for over a month and I had such high hopes that the OC-48 would have taken care of that... but alas it continues on.
HighLonesome

join:2006-01-16
Johnson City, TN
This is really getting annoying
Every two years we have about 3 months to put up with the latency problems
I wish we had other options for cable providers!
Rick37725

join:2007-08-11

I live in Dandridge Tennessee. Last two months have been bad. Not only slow ping rates but modem likes to reboot.

Charter came out a week ago and said every thing is fine (right) but they said it must be the modem. They replaced the modem and still doing the same.

Any word (wolf) on when they will get to the bottom of this??

PS--I have never doen a QCR test--can some one fill me in?

Here is trace route to yahoo:

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\Rick>tracert www.yahoo.com

Tracing route to www.yahoo-ht3.akadns.net [69.147.114.210]
over a maximum of 30 hops:

1
Rick37725

join:2007-08-11

Re: East Tennessee latency problems

charter.txt 1,153 bytes
Will try attachment and paste then:
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\Rick>tracert www.yahoo.com

Tracing route to www.yahoo-ht3.akadns.net [69.147.114.210]
over a maximum of 30 hops:

1
Rick37725

join:2007-08-11
Well the attachment worked, not sure why the past did not.

Glad I stumbled upon this forum/thread. I see I am not alone in my misery!!
Pitchy

join:2006-02-19
Kingsport, TN

Re: East Tennessee latency problems

Man... it's amazing what kind of speeds you get during non-peak. 1am and I am smoking

Tracing route to google.com [64.233.187.99]
over a maximum of 30 hops:

1 1 ms 1 ms 1 ms 192.168.1.1
2 9 ms 8 ms 7 ms 10.164.0.1
3 8 ms 8 ms 9 ms 24-158-109-225.dhcp.kgpt.tn.charter.com [24.158.109.225]
4 8 ms 7 ms 8 ms 24-158-96-226.static.kgpt.tn.charter.com [24.158.96.226]
5 15 ms 14 ms 13 ms 12.86.91.73
6 17 ms 15 ms 16 ms tbr1.attga.ip.att.net [12.122.96.22]
7 15 ms 15 ms 15 ms ggr2.attga.ip.att.net [12.122.81.97]
8 15 ms 13 ms 14 ms 192.205.33.90
9 16 ms 15 ms 18 ms atl-core-01.inet.qwest.net [205.171.21.105]
10 16 ms 15 ms 17 ms atl-edge-18.inet.qwest.net [205.171.21.162]
11 16 ms 15 ms 16 ms 63.144.1.6
12 17 ms 16 ms 18 ms 72.14.236.12
13 17 ms 17 ms 16 ms 72.14.236.15
14 17 ms 16 ms 19 ms 216.239.49.226
15 17 ms 16 ms 17 ms jc-in-f99.google.com [64.233.187.99]

Trace complete.

Incredible but true... think I going with Voltn that it looks like Kingsport is over sold AGAIN!
ArkiMage

join:2001-06-30
Kingsport, TN

Here's a quick every-ten-minutes ping to the 24.158.96.226 address to illustrate precisely when "prime time" begins and and then levels off. During the rest of the 24-hr period latency appears to be very low as well.

08:06:08 PM - 12.472
08:16:12 PM - 9.846
08:26:16 PM - 9.440
08:36:21 PM - 9.040
08:46:25 PM - 13.053
08:56:29 PM - 10.595
09:06:33 PM - 10.339
09:16:37 PM - 14.022
09:26:41 PM - 54.416
09:36:45 PM - 65.075
09:46:49 PM - 95.115
09:56:53 PM - 117.139
10:06:59 PM - 92.591
10:17:03 PM - 79.945
10:27:08 PM - 49.745
10:37:12 PM - 114.923
10:47:16 PM - 73.065
10:57:21 PM - 78.340
11:07:25 PM - 104.731
11:17:29 PM - 88.753
11:27:33 PM - 77.458
11:37:37 PM - 51.903
11:47:41 PM - 10.292
11:57:45 PM - 12.917
12:07:50 AM - 11.292
12:17:54 AM - 8.395
12:27:58 AM - 10.264
12:38:02 AM - 8.887
12:48:06 AM - 10.146
12:58:10 AM - 10.939
Rick37725

join:2007-08-11
ArkiMage---that post looks to put a finger right on the problem!!

So is there going to be a solution to this problem any time soon??

Any one have any status (ISDNWOLF??).

See 10 replies to this post
Rick37725

join:2007-08-11
IsdnWolf?? Any Status???
Forums » US Cable Support » Charter HSI/CATVA request to Charter Cable admin staff »
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