Frequent PPP disconnects

New to this forum, apologies if this is an old topic...
I have a Netgear DGND3300 router, only one month old, which currently syncs at around 20Mb/s (WBC/ ADSL2+ service) downstream, <1Mb/s upstream (we are about 1km from exchange). Our previous Netgear DG834G ran faultlessly for months at a time, until the DSL circuitry finally failed.
Periodically, the service becomes unstable, with frequent PPP disconnects. I have to reset the PPP session manually, to restore Internet connection. I've noticed that our downstream noise margin falls as low as 2-3dB under these circumstances, whereas in normal operation it's closer to 6dB. After contacting the BB help desk, the noise margin usually comes back up, to around 5-6dB, and the connection seems stable again for a while, but then eventually a repeat of the same behaviour. The upstream noise margin is closer to 12dB, typical figures below.
I've tried connecting a BT Home Hub 3, connecting directly to the test socket, changing DSL filters etc, but those noise figures are pretty consistent. I haven't left the HH3 connected for any length of time, so I don't know if it's likely to be more stable. (And I prefer Netgear.)
Is this normal behaviour? Does DLM try continuously to reduce the noise margin, until the line becomes unstable again? What should I do, to avoid help desk calls?
System Up Time 930:19:35
Port
Status
TxPkts
RxPkts
Collisions
Tx B/s
Rx B/s
Up Time
WAN
PPPoA
443669
503818
0
466
4593
24:58:03
LAN
10M/100M
18201765
9458182
0
902
432
930:19:31
WLAN
11M/54M/300M
0
0
0
0
0
929:09:20
ADSL Link
Downstream
Upstream
Connection Speed
19690 kbps
888 kbps
Line Attenuation
16.5 db
5.7 db
Noise Margin
5.3 db
12.5 db
TIA, Martin
Solved!
Go to Solution.

bt have been trialling a lower 3 dB noise margin on stable lines so to see the nose margin drop is now quite normal
as to PPP drop this does happen occasionally I have had it happen my self and normally after a week or two it stops as soon as it started
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Similar Messages

WAG120N - Frequent Internet Disconnection Issue

I have bought a Linksys WAG120N few days back & after i got it , i also updated it to the newest firmware from the Linksys site.The Firmware version for my product is , 1.00.12 Annex A.
But i am getting a frequent internet disconnection after installing the Router/Modem.I am not a newbie in this.I have done my CCNP with full marks & currently working in IBM India & i have enough knowledge on how to configure Routers.
I have done the Flashing in the correct process & after Flashing , i did a 30-30-30 Reset as explained in this forum somewhere but the issue is still existing.
I am listing below what i have done so far. :-
1) After getting the Router , i have updated to the newest firmware & Hard-Resetted the Router as explained in this forum.
2) Then i configured the modem with the values from my ISP.I have done it both manually & also tried the Linksys Setup wizard that came on the CD with the Product and the SETUP WIZARD HAS MY ISP ON THE LIST as well.
3) I got the net connected after configuring but only for some time.After that , i am constantly getting disconnected from the Internet no matter what if i use the Wired or the Wireless devices to access the Internet.I tried setting the Router with both wireless Security enabled & disabled.No luck in either cases.Almost all of the time i get a disconnection when the DSL Link is Steady on the WAG120N.So, this should not be a Line problem.Also i can access the Net with my ISP provided Modem.No problems at all.
4) I tried uninstalling the Anti-Virus & the Internet Security program i use which is Symantec Norton Internet Security 2010.No luck.
5) I have Formatted & did a Clean Install of Windows 7 X64 & Windows XP SP3 & tried running the Router on a freshly installed operating system with no other software installed.I tried different Machines , Different Operating Systems , Different Lan Ports.No luck.
6) I deactivated Windows default Firewall & every Power Saving functions of my OS.No luck.
7) Linksys suggested me to visit the Service Center & get a replacement.I did visit the Linksys Authorized Service Center & got a new WAG120N & brought that to my home.I had to pay around 20 USD Taxi Fare as the Service Center is at the remotest part of my city.I wish if Linksys had a Pick-Up & Drop facility which nearly every big companies offer in my place.
8) The new WAG120N did not change anything.The disconnection issue is still existing.
9) There is absolutely NO problem in my ADSL line.I am using a 512kbps ADSL connection & when i use the CHEAPEST Wi-Fi ADSL Modem which has been given by my ISP , i can access Internet just fine , no problems at all either in Wired or the Wireless.So, in this case The Linksys ADSL Router is at fault.
10) I can see the ADSL line Stats with my 20 USD worth of Huawei ( ISP provided ) Modem but the 150 USD worth of Cisco/Linksys WAG120N does not support showing the ADSL Line stats ( or at least the Firmware doesn't support it ) which is unbelievable for a company of caliber like Cisco.
The two most important things every Modem at least should display are :-
1 ) SNR Margin
2 ) Attenuation
These two are absolutely a Must-Have features if you want to see how good your ADSL connection is & i am surprised to see that my cheapest ISP modem does have these but a Cisco product does not. !!!!!!!!
I have called the Linksys support again & they told me that they are Escalating my case to their 2nd Level.
I got a response from their Level 2 Support Person & he asked me to provide information about my case & i had sent him a reply 2 days ago but no reply from him.
And I am NOT the only person with this problem.I do not know Linksys knows this or not but there are several Linksys users who are using this model & are facing the exact same issues as me.
Here are some of them & they have been posted on this community itself :-
1) http://homecommunity.cisco.com/t5/Cable-and-DSL/Wag120n-problem/td-p/300397
2) http://homecommunity.cisco.com/t5/Cable-and-DSL/WAG120N-keeps-disconnected-from-internet/m-p/330870/...
Tell me Sir , what should i do ? Should i sell it & get another brand or Linksys is going to help me to resolve the problem ? I am extremely sorry to say that i feel regretted that i invested my hard earned money into this which just does not want to work at all.I am too much frustrated & not going to buy any Cisco product if my problem does not get solved because i can not bother the disconnection problem as i need to stay connected all the time for my job & also for my personal reasons.It is a shame that i had to pack my Linksys up on the shelves & have to use the cheapest quality Chinese ( No offense ) Modem because at least the connection does not drop here & I can use it for what it is meant to be.
I will be expecting a quick reply from you people & would also hope that you will be able to solve the problem.Also i think the problem is not the Router but the Firmware itself is faulty but i am not sure about that because this is my first Cisco product & frankly speaking I am very much disappointed with it.I would very much like to experience a Cisco product because i thought it is an World Class product in the business.So, please help me resolve this problem.Either Linksys should help me resolve the problem and get me an working product or i would want to get my money back.Thank You.
(Mod note: Edited for guideline compliance.)

Yes but I think Linksys should give me another one which is working right ? Why should i invest in another Router as i just bought it & its already too pricey here.
I need an ADSL Wi-Fi Modem Router & there is only three models avilable here.One is this one which i'm using , WAG120N & the other two are WAG160N & WAG320N & both of them costs more than triple than that of WAG120N.And no one is going to give me a replacement here.I can get the replacement but the same Router.I can not upgrade it without having to buy a whole new router which costs thrice than my current one.
So, i would be highly oblized if Linksys can give me a replacement because only they can replace it with another model but Linksys India customer Care is only suggesting me that they can issue a replacement for the same model & can not give any other model.
I sent my concern to the 2nd Level Technicians but have not received any reply.Feeling helpless at the moment.
My posts are edited & most important parts are being deleted.Please do not edit my post.All i am wanting to get a suggestion for my problem.I do not want to bother you with my problems but the communities are meant mainly for that purpose so that we can help & support each other.
Thank you.

Asr1000-x PPP disconnects

Hi
We have some new ASR1001-X acting as LNS that have a strange load related PPP disconnect.
show vpdn history failure gives
User: user@domain, MID = 57549
NAS: lac1, IP address = 78.x.x.x, CLID = 30205
Gateway: lns11, IP address = 188.x.x.x, CLID = 54925
Log time: Sep 24 13:32:04.261, Error repeat count: 1
Failure type: The remote server closed this session
Failure reason: Result 1, Error 0, Dataplane down
this starts happening at a few 100 sessions connected and gets progressively worse as the load increases, at 7500 sessions 12 of 15 attempts failed on a lab 1921.
We have a TAC case open but so far none of the TAC suggestions have made any difference.
Google only says it might be caused by a radius attribute but we have eliminated that as the cause.
There are no common CPE devices and it seems to affect some users more than others.
if we point the users at a 7301 they connect first time every time the configurations are almost identical.
We have tried all the available IOS XE versions all exhibit the same issue.
Any one have any idea what this could be?
Thanks
Steve

you could contact the mods but they can take up to 72 hours to reply this is a link to them personally i would wait 24 hours to see if it settles http://bt.custhelp.com/app/contact_email/c/4951
they normally reply by email or phone directly to you within 72 hours
They are a UK based specialist team who have a good record at getting problems solved
If you want to say thanks for a helpful answer,please click on the Ratings star on the left-hand side If the reply answers your question then please mark as ’Mark as Accepted Solution’

Frequent internet disconnects for over a year

I have been suffering frequent disconnects from the internet for over a year. Each disconnect lasts for up to two minutes, rarely longer. Sometimes the disconnects have been as frequent as thirty or more times per hour. Sometimes I have no problems for many days.
I'm using HH5 and have Infinity 2 with a typical speed of circa 60mbps. Speed isn't an issue but the frequent disconnects are a pain. BT Broadband support have been unable to see the disconnects happening. As far as they are concerned, the line is fine.
If the disconnect happens when I'm using Google Chrome, I get a status message "Resolving Host" in the bottom left and, after a short delay, a screen appears saying "This webpage is not available. DNS Probe Finished. No Internet." Other devices, including BTTV, either give a message to the effect that there is no internet connection or just "hang". As far as I can tell, all devices, whether wired or wireless, 2.4GHz or 5GHz,, disconnect simultaneously.
I have tried disconnecting every device from the hub except the BTTV and the disconnects still happen.
BT have checked the line countless times, sent an engineer to my house, replaced my home hub three times, I have replaced all cables, replaced the phone/broadband socket, done countless resets etc all to no avail. The HH5 lights don't change colour when the internet connection drops.
After checking the BTCare Community Forums and discovering the event log in the HH5 I discovered that, when the disconnects occur, an "IN: BLOCK [16]..." message appears in the event log for the Firewall of the hub. At the end of this message I have copied a 12 hour firewall event log from today. Every "IN: BLOCK [16]..." event seems to coincide with an internet disconnect so that amounts to circa 40 disconnects in the past 12 hours.
What are these "IN: BLOCK [16]..." messages and why does my internet connection drop every time one of these messages appears? I checked the IP addresses for some of these "IN: BLOCK [16]..." messages. The first IP address in each message I checked was in China. The second IP address for each event I checked is BT in Boston, UK. My suspicion is that the BT server is logging me out every time one of these "IN: BLOCK [16]" events occurs. Logging back into the server then takes up to two minutes and, in the meantime, I have no internet connection.
BT Broadband support in India say that there is nothing they can do to address these internet dropout issues. They can only deal with line or hub faults. Their only suggestion was to disable the firewall on my HH5 but, given all these potential attacks from Chinese IP addresses, I refused to do this.
BTW, the HH5 IP address ending in 65 is my BTTV box.
I'd be grateful for any help and advice to resolve this issue. Here is the Firewall event log;
20:44:07, 18 May. IN: BLOCK [16] Remote administration (TCP [43.255.188.131]:46973->[86.182.86.9]:22 on ppp3)
20:35:11, 18 May. IN: BLOCK [16] Remote administration (TCP [119.82.226.82]:50172->[86.182.86.9]:443 on ppp3)
20:05:44, 18 May. IN: BLOCK [16] Remote administration (TCP [37.247.36.123]:12152->[86.182.86.9]:443 on ppp3)
19:27:54, 18 May. IN: BLOCK [16] Remote administration (TCP [115.239.248.2]:6000->[86.182.86.9]:8080 on ppp3)
19:07:56, 18 May. IN: BLOCK [16] Remote administration (TCP [121.88.5.177]:8888->[86.182.86.9]:22 on ppp3)
19:01:12, 18 May. IN: BLOCK [16] Remote administration (TCP [80.82.78.186]:39434->[86.182.86.9]:80 on ppp3)
18:51:30, 18 May. IN: BLOCK [16] Remote administration (TCP [43.255.188.133]:45824->[86.182.86.9]:22 on ppp3)
18:41:46, 18 May. IN: BLOCK [16] Remote administration (TCP [183.136.216.3]:9090->[86.182.86.9]:22 on ppp3)
18:40:30, 18 May. IN: BLOCK [16] Remote administration (TCP [117.21.225.3]:10708->[86.182.86.9]:22 on ppp3)
18:27:50, 18 May. BLOCKED 1 more packets (because of Remote administration)
18:27:50, 18 May. IN: BLOCK [16] Remote administration (TCP [37.247.49.253]:35420->[86.182.86.9]:80 on ppp3)
18:22:25, 18 May. OUT: BLOCK [7] ICMP replay (ICMP type 3 code 1 86.182.86.9->216.58.208.46 on ppp3)
18:22:22, 18 May. BLOCKED 2 more packets (because of ICMP replay)
18:22:22, 18 May. OUT: BLOCK [7] ICMP replay (ICMP type 3 code 1 86.182.86.9->216.58.208.46 on ppp3)
18:09:52, 18 May. IN: BLOCK [16] Remote administration (TCP [39.115.40.60]:44439->[86.182.86.9]:80 on ppp3)
17:31:58, 18 May. IN: BLOCK [16] Remote administration (TCP [61.240.144.65]:60000->[86.182.86.9]:161 on ppp3)
17:30:18, 18 May. IN: BLOCK [16] Remote administration (TCP [198.20.69.74]:20012->[86.182.86.9]:443 on ppp3)
17:25:05, 18 May. IN: BLOCK [16] Remote administration (TCP [185.35.62.13]:60643->[86.182.86.9]:80 on ppp3)
17:22:10, 18 May. IN: BLOCK [16] Remote administration (TCP [61.160.224.129]:56517->[86.182.86.9]:8080 on ppp3)
17:00:08, 18 May. IN: BLOCK [16] Remote administration (TCP [43.255.188.131]:50338->[86.182.86.9]:22 on ppp3)
16:49:05, 18 May. OUT: BLOCK [7] ICMP replay (ICMP type 3 code 1 86.182.86.9->216.58.208.36 on ppp3)
16:49:03, 18 May. BLOCKED 3 more packets (because of ICMP replay)
16:49:02, 18 May. OUT: BLOCK [7] ICMP replay (ICMP type 3 code 1 86.182.86.9->216.58.208.36 on ppp3)
16:37:49, 18 May. IN: BLOCK [16] Remote administration (TCP [218.77.79.43]:43469->[86.182.86.9]:22 on ppp3)
15:54:37, 18 May. IN: BLOCK [16] Remote administration (TCP [71.6.216.62]:443->[86.182.86.9]:443 on ppp3)
15:43:28, 18 May. IN: BLOCK [16] Remote administration (TCP [221.235.189.245]:38235->[86.182.86.9]:22 on ppp3)
15:31:23, 18 May. IN: BLOCK [16] Remote administration (TCP [183.136.216.4]:9090->[86.182.86.9]:22 on ppp3)
14:39:50, 18 May. IN: BLOCK [16] Remote administration (TCP [43.255.188.133]:49483->[86.182.86.9]:22 on ppp3)
14:37:40, 18 May. OUT: BLOCK [7] ICMP replay (ICMP type 3 code 1 86.182.86.9->216.58.208.74 on ppp3)
14:37:36, 18 May. BLOCKED 2 more packets (because of ICMP replay)
14:37:36, 18 May. OUT: BLOCK [7] ICMP replay (ICMP type 3 code 1 86.182.86.9->216.58.208.74 on ppp3)
14:03:46, 18 May. IN: BLOCK [16] Remote administration (TCP [183.136.216.3]:9090->[86.182.86.9]:22 on ppp3)
14:00:11, 18 May. IN: BLOCK [16] Remote administration (TCP [82.102.180.11]:10469->[86.182.86.9]:22 on ppp3)
13:57:17, 18 May. IN: BLOCK [16] Remote administration (TCP [82.221.47.5]:48212->[86.182.86.9]:22 on ppp3)
13:49:16, 18 May. IN: BLOCK [16] Remote administration (TCP [43.255.188.135]:59887->[86.182.86.9]:22 on ppp3)
13:43:33, 18 May. IN: BLOCK [16] Remote administration (ICMP type 8 code 0 198.20.99.130->86.182.86.9 on ppp3)
13:08:25, 18 May. IN: ACCEPT [57] Connection closed (Port Forwarding: TCP [192.168.1.65]:7457 <--> [86.182.86.9]:1024 - - - [91.235.132.236]:443 SYN_SENT/SYN_RECV ppp3 NAPT)
13:08:25, 18 May. IN: ACCEPT [54] Connection opened (Port Forwarding: TCP [192.168.1.65]:7457 <--> [86.182.86.9]:1024 - - - [91.235.132.236]:443 SYN_SENT/SYN_RECV ppp3 NAPT)
13:02:30, 18 May. IN: BLOCK [16] Remote administration (TCP [221.235.189.245]:58370->[86.182.86.9]:22 on ppp3)
12:55:09, 18 May. IN: BLOCK [16] Remote administration (ICMP type 8 code 0 178.124.19.8->86.182.86.9 on ppp3)
12:07:45, 18 May. IN: BLOCK [16] Remote administration (TCP [104.233.142.242]:6000->[86.182.86.9]:8080 on ppp3)
11:58:49, 18 May. IN: BLOCK [16] Remote administration (TCP [43.255.188.131]:54076->[86.182.86.9]:22 on ppp3)
11:26:03, 18 May. OUT: BLOCK [7] ICMP replay (ICMP type 3 code 1 86.182.86.9->31.55.184.239 on ppp3)
11:23:14, 18 May. IN: BLOCK [16] Remote administration (TCP [43.255.188.132]:37275->[86.182.86.9]:22 on ppp3)
11:07:40, 18 May. BLOCKED 3 more packets (because of ICMP replay)
11:07:40, 18 May. OUT: BLOCK [7] ICMP replay (ICMP type 3 code 1 86.182.86.9->216.58.208.46 on ppp3)
10:39:08, 18 May. IN: ACCEPT [57] Connection closed (Port Forwarding: TCP [192.168.1.65]:7457 <--> [86.182.86.9]:1024 - - - [23.62.53.9]:443 SYN_SENT/SYN_RECV ppp3 NAPT)
10:39:08, 18 May. IN: ACCEPT [54] Connection opened (Port Forwarding: TCP [192.168.1.65]:7457 <--> [86.182.86.9]:1024 - - - [23.62.53.9]:443 SYN_SENT/SYN_RECV ppp3 NAPT)
10:17:56, 18 May. IN: BLOCK [16] Remote administration (TCP [43.255.188.132]:54983->[86.182.86.9]:22 on ppp3)
09:29:53, 18 May. IN: BLOCK [16] Remote administration (TCP [61.240.144.64]:60000->[86.182.86.9]:443 on ppp3)
09:25:48, 18 May. IN: BLOCK [16] Remote administration (TCP [183.136.216.3]:9090->[86.182.86.9]:22 on ppp3)
09:25:21, 18 May. IN: BLOCK [16] Remote administration (TCP [196.12.153.45]:42739->[86.182.86.9]:22 on ppp3)
09:25:15, 18 May. IN: BLOCK [16] Remote administration (TCP [43.255.188.130]:36950->[86.182.86.9]:22 on ppp3)
08:58:58, 18 May. IN: BLOCK [16] Remote administration (TCP [222.186.56.178]:28384->[86.182.86.9]:22 on ppp3)
08:37:28, 18 May. IN: BLOCK [16] Remote administration (TCP [118.244.130.34]:6000->[86.182.86.9]:22 on ppp3)
08:17:59, 18 May. IN: BLOCK [16] Remote administration (TCP [222.186.31.208]:6000->[86.182.86.9]:22 on ppp3)
08:12:22, 18 May. IN: BLOCK [16] Remote administration (TCP [141.212.122.151]:45461->[86.182.86.9]:22 on ppp3)
08:02:56, 18 May. IN: BLOCK [16] Remote administration (TCP [218.77.79.43]:35046->[86.182.86.9]:8080 on ppp3)

Ectophile - thank you for your reply. I tried the quiet line test and the line sounds good. There's no crackle or static. Just a very faint hiss if I turn the volume on my handset up full.
I've had three replacement hubs in the last year or so and they have made no difference to the frequency of the internet drop-outs.
The only fault that has been detected in all of this time was back in January when BTTV 2nd line support in the UK establish a link with my PC and monitored the connection. (They had a lot of difficulty establishing this connection and they were convinced I had no internet connection even though I did at that point). As a result of this monitoring and other testing, they diagnosed a very brief, intermittent drop out in the fibre-optic link between the surface box and the exchange. The 2nd line support engineer commented that this was a very strange fault because the fibre-optic connection normally either works or it doesn't.
He called out a BT engineer to investigate the fibre fault. This engineer told me that he had "reset" the fibre-optic link at the surface box. Having done this, he couldn't find a fault so visited my house, undertook line checks, replaced my HH4 with a HH5, checked out all wiring, tested the socket etc monitored for 20 minutes, couldn't find any further fault and left. The problems have continued however and BT India support just keep running their standard line tests and finding no fault.
I tried running a repeating ping test today using a tool called “WinPing”. I was using my BT email server for the ping test. The ping was set to 1 second intervals with the time-out set to a high level of 3000ms. I wasn’t using the internet at the time so I have no idea whether there is any correlation between the "timed-out" and/or slow response pings and the internet drop-outs that I have been suffering.
The eight and a half hour test gave an average ping time of 45ms but there was a lot of variability;
101 pings "timed-out" without a response (>3000ms).
6 pings were between 2000ms and 2999
23 pings were between >1500ms and 1999ms
87 pings were between 1000ms and 1499ms
139 pings were between 500ms and 999ms
66 pings were between 250ms and 499ms
428 pings were between 50ms and 249ms
680 pings were between 40ms and 49ms
12,296 pings were between 32ms and 39ms
There were no periods of more than a few seconds where WinPing couldn’t ping the server so this test doesn’t explain why I get the frequent drop-outs of up to 2 minutes unless perhaps the problem is caused by short drop-outs causing my connection to reset? The message I get on my Laptop / Google Chrome when the internet connection drops-out is a “Resolving Host” message at the bottom left and, after a short delay, a screen appears saying "This webpage is not available. DNS Probe Finished. No Internet." Other devices come back with various message to the effect that there is no internet connection, even though the HH5 light remains blue.
Do the ping test results indicate any particular issue or are these results normal?

Frequent WLan disconnections on Equium M40X-230

My laptop suffers frequent disconnections from the internet and it is getting very annoying. Situation is the laptop connects wirelessly to the net via a Belkin router. The router is working ok, and I use Aol for ISP.
Our second laptop, also a Toshiba but a Sattelite A30-203 does not suffer the problems despite using the same router.
Both laptops have service pack 2 on and the M40 is mobile centrino whilst the Sattelite has a wireless adaptor card installed (also Belkin).
If I watch the connection speed it varies between 54mbps and 1mbps and still says that the signal strength is excellent no matter what the speed is.Does this mean the problem lies with the laptop or its settings, or does it need chipset drivers to be upgraded?
Any help would be appreciated as the slow performance especially when loading pages on the net is driving me daft.

Hi
You should know that there are different WLan standards which supports different properties.
The standards are 802.11 A, B or G. At this time the wireless 802.11 G standard supports the fastest connection.
The best combination is the using of the router and Wlan card which supports the same standard.
You have suggested that the Satellite A30 uses the Belkin WLan adapter. I assume there is the best compatibility between Belkin router and Belkin WLan card. Therefore you will get the best performance.
However, on your Equium you should check the WLan card properties. There you should find some options which could increases the card and connectivity performance.
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Additionally its advisable checking the WLan card driver updates. If you use a Intel WLan card check the Intel page for updates.

Frequent Bluetooth Disconnects and Reconnects

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A follow up. The Apple Genius Bar yesterday witnessed my above symptoms, reset the network connections which did not cure the problem, finally diagnosed the phone bluetooth transmitting device was not functioning properly. Of course my phone was out of warranty by now, so I upgraded to an iPhone 4 and now all is well. Posting this for information.

IPv6 Dropping Frequently Causing Disconnects

I have got a DPC3939 Modem/Router combo. I get frequent disconnects from my Xbox and on my computer. I'll document the exact minute it happened and check the logs on my router. Sure enough there's a log at that exact minute, every single time I drop connection. Here's what I get. And I tried disabling both IPv4 and IPv6 firewalls entirely and it makes no difference. FW.IPv6 FORWARD drop, 348 Attempts.2015/8/01 00:22:20Firewall BlockedFW.IPv6 INPUT drop, 63 Attempts.2015/8/01 00:22:20Firewall Blocked Let me know if you know how I can fix this issue. Thanks!

Not all routers and modems work well with Windows 7/Vista.
See if there is firmware for your network equipment.
Upgrade to Win7, much better WiFi and networking.

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Hi,
we are running tuxedo 6.4 on two sun solaris 2.6 servers. If the number of users
connected is rising we are getting frequently the “CMDTUX_CAT:1373: ERROR:
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the more users are connected the more often we are getting this error (several
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The servers are having two network adapters each, and they are connected to each
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of the ubbconfig file below.
Regards,
Uwe
*RESOURCES
IPCKEY          0x8001     #0x8000 < x < 0x3FFFF
MASTER          clarify01,clarify02
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GID          101
PERM          0660
MAXACCESSERS     1300
MAXSERVERS     200
MAXSERVICES     3000
LDBAL          Y
SECURITY     USER_AUTH
*NETWORK
clarify01
     NADDR="//10.10.10.10:48801"
     BRIDGE="/dev/tcp"
     NLSADDR="//10.10.10.10:3050"
clarify02
     NADDR="//10.10.10.11:48801"
     BRIDGE="/dev/tcp"
     NLSADDR="//10.10.10.11:3050"

Hi Thomas,
I am pretty sure that this a transcoding issue,especially seeing that calls routed through the POTS line are working properly have a look;
Codecs and Transcoding
Cisco Unity Express supports only G.711 voice streams, so all calls made into the system (including those from IP phones, PSTN gateway ports and any other VoIP equipment in your network) must use G.711 if they enter the AA or voice mail pilot numbers that terminate on Cisco Unity Express.
If you require that G.729A calls traverse IP segments of your network between sites, and that these calls forward or dial direct into Cisco Unity Express AA or voice mail, then you must use a transcoding resource collocated with Cisco Unity Express to change the voice stream from G.729A to G.711 before the voice stream enters the AA or voice mail pilot numbers.
From this doc;
http://www.cisco.com/en/US/products/sw/voicesw/ps5520/products_implementation_design_guide_chapter09186a00804993c0.html#wp1011776
Hope this helps!
Rob
Please remember to rate helpful posts.....

DeskJet F4580 frequent wireless disconnects

I am having a problem whereby the F4580 will simply stop responding to network traffic after an hour or so of not being used.
There are no settings in the EWS to change this behaviour, and the only way i can resolve it is to power cycle the printer
So far i have tried the following:
Disabled IPV6 on router (Buffalo WZR-HP-G300NH) and PC (Win7 64-Bit)
Assigned static IP (from outside of DHCP range)
Disabled all firewalls
Forwarded all ports mentioned on this post
Installed printer using USB cable, Ethernet and WPS
Set wireless network to no encryption (also tried WEP and WPA)
Even tried an old Netgear router that i had knocking around thinking the Buffalo was somehow incompatible but still had the same problem
Strange thing is, when the printer gets disconnected (normally after an hour of non-use) the Network Configuration page still shows the static IP i have assigned to it (192.168.11.20) the blue wireless light stays solid (as in "Connected") but the client monitor on my router has no mention of the printer or it's MAC address.
During this time i also cannot ping the printer from any PC on my LAN. However after a power cycle it magically starts working.
This seems to me like a problem with the wireless NIC on the printer itself. Is there any way to prevent it from entering sleep mode?
New firmware?
The only thing i can find on the HP support pages are the basic and full versions of the (utterly horrible) printer driver, and a useless "Network Diagnostic Utility".
I cannot accept HP's "fix" of power cycling the printer. What is the point of buying a wireless printer if i have to reboot it every time i want to print something?!
Any help would be greaty appreciated
Kenny Dee
This question was solved.
View Solution.

Sorry, i've not had any time to look into this further, but to answer some of your questions....
1. Did the printer ever have a standard DCHP IP address? Did it exhibit this behavior then?
I have tried it with both DHCP and static IP's - both had the same problem....to be honest it felt like the issue was slightly worse when using DHCP but i'm not 100% sure - DHCP could have been causing it's own problems so who knows!
2. Does it take an hour of inactivity for it to disappear? The printer goes to sleep in just about 5 minutes.
Not exactly an hour....it can be anything from 20 mins to an hour
3. Can you tell me about any non-default settings on your router(s)? DHCP lease times, WPA refresh times, etc.?
Latest Buffalo firmware with mostly defaults.
DHCP lease is 7 days
WPA group key refresh is 1 hour (could that be related....?! ) I will try changing this and see if the disconnect timing changes also...
4. Have you made any adjustments to the defaults of the printer using the EWS?
Other than the static IP, I haven't changed anything in the EWS (there's not much in there anyway!)
Lastly, I haven't tried scanning when it disconnects, but i will get you an answer for that and question 6 when i get a spare moment.
Thanks
Kenny Dee

Frequent Network Disconnects - VL600

I am noticing that my connection fails fairly randomly but too often. The failure can occur from seconds to eight hours after a connection. Typical disconnect after one hour or so. This happens in both New York City and Boston. I am not mobile at these times - hotel rooms mostly. If this continues I probably won't maintain my subscription to the 4G service since I can use the WiFi hotspot feature of my smartphone (on another network).

Modem or router?
How connected - ethernet or USB?

Frequently IM disconnections in N70

Hi,
I've tried many IM applications for N70, but always disconnects after a few minutes or hours.
Nimbuzz, Slick, IM+, Facebook Messenger, and others.
I think the problem is not with the apps, but in the phone.
What can I do?
thank you.

Thank you adrian, my wife completely agrees with you: I need a new phone*. But I like N70 and will try everything for ussing instant messenging with it.
OK, those apps are not for N70, but what about built-in IM app?
All my attempts in configuring it for my facebook or google talk accounts were missed. The question is: if I success in built-in IM working, would it disconnect as other apps?
thanks
* In fact, I have two phones with whatsapp: Samsung Galaxy Y pro, and LG Optimus ME P350, but I don't use them 'cause I don't like them.

Clients getting frequently disconnected - Interference issue !!!!!

Hi,
We have a 2504 WLC, recently past few weeks all the WiFi clients are facing frequent WiFi disconnectivity issue.
version: 7.6.130.14
Sample output of 1 AP out of total 5 (AIR-LAP1041N-E-K9).
>show ap auto-rf 802.11b APName
Interference Information
Interference Profile......................... FAILED
Channel 1.................................... -128 dBm @ 0 % busy
Channel 2.................................... -128 dBm @ 0 % busy
Channel 3.................................... -74 dBm @ 1 % busy
Channel 4.................................... -80 dBm @ 3 % busy
Channel 5.................................... -70 dBm @ 1 % busy
Channel 6.................................... -68 dBm @ 13 % busy
Channel 7.................................... -71 dBm @ 1 % busy
Channel 8.................................... -128 dBm @ 0 % busy
Channel 9.................................... -69 dBm @ 6 % busy
Channel 10................................... -65 dBm @ 4 % busy
Channel 11................................... -66 dBm @ 22 % busy
Channel 12................................... -72 dBm @ 8 % busy
Channel 13................................... -73 dBm @ 4 % busy
Can anybody recommend some workaround for this.
Will reducing the power level of AP help to resolve this issue.
>under TPC setting of 802.11b/g/n,
Maximum Power Level Assignment (-10 to 30 dBm) : its set to 30dbm
Power Level Assignment Method : Fixed : 3
DCA setting is Automatic and Channels are 1,6,11.
Regards

We have a 2504 WLC, recently past few weeks all the WiFi clients are facing frequent WiFi disconnectivity issue.
I think you're "barking at the wrong tree". Co-channel interference won't cause widespread clients disconnection issues.
What kind of clients are getting this issue? Computers? Smartphones? Tablets?
What's your encryption/authentication settings?
Have you tried running a debug on the clients during disconnection and reconnection?

Frequently disconnecting Wifi in T400

Hi all..
I had got Thinkpad T400 recently,my wifi is frequently getting disconnected which is really frustrating. Is there any solution for this problem.
My wifi is Intel WiFi link 5100
Thanks

The default setting for the wireless adapter is to allow turning off the adapter when on battery.
To change:
1. Right click the Wireless Connection.
2. Click Properties.
3. Click the Configure button.
4. On the Power Management Tab, remove the "Check" on the line; "Allow the computer to turn off this device to save power."
Jim

Random disconnections (A LOT) after 6 months of ex...

Hi all,
I've joined to try get some help with my BT Broadband disconnecting a lot. I've had the broadband in my flat for about 6 months now, and it has been brilliant up until this month.
It seems totally random, but it's getting more frequent with disconnecting.
I called the customer service who said to reset everything and change the filter etc. They said there were no issues on the line that they could see so blamed the setup/equipment. It was ok for a day or 2 again then started disconnecting again.
I went away for a long weekend this weekend and have come back to find the broadband light off last night, and I really struggled to get a connection at all. Most of the time the "B" broadband light was either off, or flashing orange.
I changed the filter, reset the hub, changed the cabling, disconnected all wired connections except my PC. All to no avail. I then reset the hub to factory settings. I got a connection then for may be half an hour before the disconnections started again. I tried it without the phone plugged in as well, this didn't help either. I called customer services again, who basically ran through the same stuff as last time, and I explained I'd changed the filter etc.
They told me to plug it in to a test socket by removing the phone line socket face plate. Being a small block of flats, the phone line is built in to a plug with various other outputs (TV ariel, radio, sky etc etc), so I'm not too keen to take it apart, and unsure it will have the same internals as most phone line sockets?
Anyway I explained I'd try replacing wires etc and ended the call. Accepting that I wasn't going to get it fixed at half 11 on a Monday night. I thought I'd try get advice online instead.
I've always left the hub on for 24hours, but I've noticed that it seems to get quite warm? It's never caused an issue being warm before though? I faced a fan toward it to cool it down though, and enabled power saving mode through the night to see if that helped. I awoke this morning though to see it disconnecting a couple of times before I left for work.
So I'm asking on here if anyone has any other advice as to what may be causing it.
I've read up about doing a quite line test, which I'll carry out tonight.
I can provide the Event Log from the HomeHub if that will help?
Some additional information you may wish to know in order to advise me:
-3 wired devices (PC, YouView box, and Xbox 360)
-usually 2-4 wireless devices connected (3 phones and a laptop)
- <1m from the socket, no extension cabling.
-1 BT handset phone connected via filter
-3 replacement filters tried
BTbroadband since April 2013.
HomeHub 3.0
1 Telephone line socket
1 Telephone

I came home tonight to no connection for 45mins. The broadband light wouldnt come on at all. I again tried another of the 3 filters I have, relocated the router further away from the youview box and tried again. No internet still.....about 20mins later the connection flashed orange about 7 times, would then go out. It repeated this about 10 times and then came back on.
My homehub is running Firmware Version 4.7.5.1.83.8.94.1.11 (Type A)
Just to give some additional information from this mornings problems, this is how the Event log read following disconnection (I've highlighted in red the moment connection was lost):
08:17:29, 24 Sep. (33962.830000) CWMP: Server URL: https://pbthdm.bt.mo; Connecting as user: ACS username
08:17:29, 24 Sep. (33962.820000) CWMP: Session start now. Event code(s): '4 VALUE CHANGE'
08:17:25, 24 Sep. (33958.680000) WAN operating mode is DSL
08:17:25, 24 Sep. (33958.680000) Last WAN operating mode was DSL
08:17:23, 24 Sep. (33957.190000) PPPoA is up - VPI: 0, VCI:38
08:17:22, 24 Sep. (33956.520000) PPP IPCP Receive Configuration ACK
08:17:22, 24 Sep. (33956.500000) PPP IPCP Send Configuration Request
08:17:22, 24 Sep. (33956.500000) PPP IPCP Receive Configuration NAK
08:17:22, 24 Sep. (33956.480000) PPP IPCP Send Configuration ACK
08:17:22, 24 Sep. (33956.480000) PPP IPCP Receive Configuration Request
08:17:22, 24 Sep. (33956.480000) PPP IPCP Send Configuration Request
08:17:22, 24 Sep. (33956.480000) CHAP authentication successful
08:17:22, 24 Sep. (33956.350000) CHAP Receive Challenge
08:17:22, 24 Sep. (33956.350000) Starting CHAP authentication with peer
08:17:22, 24 Sep. (33956.350000) PPP LCP Receive Configuration ACK
08:17:22, 24 Sep. (33956.230000) PPP LCP Send Configuration Request
08:17:22, 24 Sep. (33956.230000) PPP LCP Receive Configuration Reject
08:17:22, 24 Sep. (33956.230000) PPP LCP Send Configuration ACK
08:17:22, 24 Sep. (33956.230000) PPP LCP Receive Configuration Request
08:17:22, 24 Sep. (33955.990000) PPP LCP Send Configuration Request
08:17:20, 24 Sep. (33954.610000) Device disconnected: Hostname: R*****-PC IP: 192.168.1.171 MAC: 00:**:**:**:**:63
08:17:20, 24 Sep. (33954.490000) ETHoA is up - VPI: 0, VCI:35
08:17:20, 24 Sep. (33954.490000) DSL is up
08:17:18, 24 Sep. (33952.000000) DSL noise margin: 5.90 dB upstream, 6.00 dB downstream
08:17:16, 24 Sep. (33950.180000) DSL line rate: 1072 Kbps upstream, 17215 Kbps downstream
08:16:58, 24 Sep. (33931.900000) CWMP: session closed due to error: Could not resolve host
08:16:58, 24 Sep. (33931.870000) CWMP: Server URL: https://pbthdm.bt.mo; Connecting as user: ACS username
08:16:58, 24 Sep. (33931.860000) CWMP: Session start now. Event code(s): '4 VALUE CHANGE'
08:16:27, 24 Sep. (33901.470000) CWMP: session closed due to error: Could not resolve host
08:16:27, 24 Sep. (33901.370000) CWMP: Server URL: https://pbthdm.bt.mo; Connecting as user: ACS username
08:16:27, 24 Sep. (33901.360000) CWMP: Session start now. Event code(s): '4 VALUE CHANGE'
08:16:27, 24 Sep. (33900.970000) CWMP: Initializing transaction for event code 4 VALUE CHANGE
08:16:25, 24 Sep. (33899.600000) DSL is down after 3 minutes uptime
08:16:25, 24 Sep. (33899.600000) ETHoA is down after 3 minutes uptime
08:16:24, 24 Sep. (33898.460000) PPPoA is down after 3 minutes uptime [Waiting for Underlying Connection (WAN DSL - Up)]
08:16:22, 24 Sep. (33896.150000) PPP LCP Send Termination Request [User request]
08:16:17, 24 Sep. (33891.300000) Admin login successful by 192.168.1.171 on HTTP
BTbroadband since April 2013.
HomeHub 3.0
1 Telephone line socket
1 Telephone

Wireless Router WRT54G version 7. Connected computer gets disconnected from internet

I have recently installed a Wireless Router WRT54G version 7 for my home office purpose.
My home PC and my laptop are connected to it. Especially on my laptop, I have observed frequently getting disconnected from the internet. I need to power OFF the router and power it ON to get the internet connection restored
Need help to get this problem resolved
Thanks
Rohit

Access set up pageof router .... look for MTU ....change the size from 1500 to 1300 ....click save settings ....
Click on wireless tab ....change the channel to 11 .....click save settings ....
Go to advance wireless settings subtab ....
Beacon interval 75
RTS & Fragmentation threshold 2306...... click save settings ...
Click on status check Ip address & firmware version on the same & let me know ...

Frequent PPP disconnects

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