Cisco :: VPN Authenticates Then Drops Connection?
Feb 4, 2011
just found your site poking around for some information. I'm pretty green with routing and firewalling so I'm hoping someone can point me in the right direction.I'm trying to setup a remote access VPN for the off site employees we have. I would eventually like to have this setup to use either the cisco VPN client or the webVPN option, but this question is about my VPN client setup.I'm using a Cisco ASA 5505 at the head end and the Cisco VPN client 5.0.06.0160 on the client side.In the logs the client authenticates, grabs an IP, DNS and domain info and then drops the connection.
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Feb 3, 2011
Im using a Cisco ASA 5505 at the head end and the Cisco VPN client 5.0.06.0160 on the client side.
In the VPN Client logs it authenticates, grabs an IP, DNS and domain info and then drops the connection.
Code...
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Jun 13, 2012
I've been having a major problem with our Internet service. Our ISP insists it's the firewall.
I'm not a Pix expert by any means, but here's what's happening:
- Our Internet service drops.
- When this happens I try to ping the PIX on the inside interface and it times out.
- Our Internet service comes back up and I am able to ping the Pix.
- I connect to the Pix and issue a SHOW INTERFACE command to look for errors. I FIND NONE.
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Nov 17, 2012
I've been having this problem on and off for a few years but never this frequent as of now.My connection randomly drops out and I have to disconnect cable from my modem and reconnect it and reboot and stuff like that to get it back up. Sometime even connection just drops and connects right back.Now I'm almost confident its the modem's fault, I have recently replaced the modem and the router
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Aug 20, 2012
My DIR-655 randomly drops its connection. All devices on the network behave as though the network is not available, then again sees the network, and reconnects (all devices being two laptops, three smartphones, and a PS3...same symptoms). My modem does not have any problems, and I have tried resetting the router, but it has not worked.
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Jul 31, 2012
My connection drops whenever it is under load. Anything can make it drop, from 2 youtube videos playing the same time to downloading something from steam. Im using wifi and I have tried a lot of things in case something interferes like changing channels. My signal strength is great and my isp and speed is fine and my connection is 54mbps. What is kind of weird is that my wifi doesnt disconnect it just stops transmitting data and the only way to fix it is to reset the router or unplug and replug my usb wifi adapter. I downloaded the wireless tool from this website, since my windows language(Windows XP) is in greek so is the reg file and some characters are just weird symbols. To Kedar:Unfortunately, no its impossible to change the language of your OS ive tried it before, the only way is to buy the English version and reinstall windows.
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Aug 23, 2011
We have 7 computers, only 2 are hardwired, and a wireless modem (gateway) with a 6 port hub attached for the wired pc's. My son's pc is wireless, and every day when he goes to get on it for school (he's homeschooled through a virtual academy), the LAN icon, instead of bars, has the yellow dot on it indicating connection. He has to reconnect every day, and sometimes even throughout the day if he leaves the computer long enough (such as when the monitor goes off, there is no screensaver). How do I fix it (Windows 7) to where his pc will stay connected and not disconnect when the pc hibernates?
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Jan 19, 2012
We have a 4410N that all the time drops the connetion. We have approx 25-30 users using wireless. But when they try to connect or are connected, the router drops the connection like a yo-yo. The firmware is updated with no difference.
The wireless connection is very unstable. It's configured with WPA2 Personal and is connected through a POE-switch with IPv4. The logs don't answer the questions why it drops the connection.
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Nov 13, 2012
I am having a problem with a ASA 5505. The users on the inside cannot access internet for the most of the time. When i looked over the configuration and tried a few changes i got out to internet about 5 seconds every 30 minute or so. Very strange. When i try to access internet i just get the windows post that DNS is not working properly. As you can see in my config i get all addresses dynamic from ISP.
I am not sure what to do next, i tried to set static routes, make Nat changes, static dns addresses, searching this forum but nothing works. It seems like there is a ISP problem but i have talked to the support twice today and they say that all is fine from their side. Does ASA behave like this?
ASA Version 8.2(2)
hostname ciscoasa
domain-name
enable password encrypted
passwd encrypted
names
[code]...
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Feb 21, 2011
I am using a desktop computer and have the router downstairs so I am using a wireless usb to connect to the internet. My router is a Linksys E1000 and the wireless adapter is a Netgear WG111v2. The problem is Every few mins I drop connection for may 5-30 secs and then the internet is fine. During that time it does not say I only have local connection or anything like that it constantly says I have internet connection even when I dont. It is very noticable when i am playing an online game on my computer. I will get a few mins in and then it will drop kicking me out of the game and by the time I get kicked out my Internet is reconnected and I can join again.
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Apr 5, 2013
My router drops my internet connection at least once a day. When the router does this, my wireless network connection disappears from the network list. I have to disconnect router from plug and plug it back in to work again. If I hard-wire laptop to router or modem, I still do not get internet unless I unplug and re-plug router.
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Feb 28, 2011
I have a dual boot pc. plus wireless adaptor wpn111 (v3 drivers)either XP pro or windows 7 platforms.when usiing any app to download any torrent file, pc drops internet connection on windows 7 but does not if i download via XP pro?initally download goes very fast then drops connection and i have to disconnect the wireless adaptor?
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Apr 9, 2013
This issue has been going on for a few weeks now, i will be using the internet and it will suddenly drop out. My computer is connected to my router, this connection is fine it is just the INTERNET connection that drops out. When this happens all of the computers on the network are affected.
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Mar 13, 2011
I recently bought a new HP Pavilion dv6 Notebook PC and have been experiencing problems when connecting to my personal wireless network. It seems that whenever I'm downloading anything or using the connection extensively I'll lose internet connection and the wireless icon in the bottom right hand corner of the screen will show an orange star to indicate that connections are available. However if I go to available networks I can immediately reconnect to the network I was on.
I have other notebooks that run on XP that do not have this issue and use the connection without a problem. Also when I connect my notebook directly to my belkin router via Ethernet cable the connection has issues. I'm running my computer on Windows 7 Home Premium 64-bit and my Wireless adapter is an Atheros AR9285 802.11b/g/n Wifi adapter which appears to have up to date drivers.
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Feb 18, 2011
I have a Windows XP machine which uses a USB wireless adapter. When I plug in another USB device, the wireless adapter drops the wifi connection.
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Jun 10, 2012
I already have an existing wireless network set up. Since buying a laptop the internet wireless connection drops out from the laptop after 'sleeping'. I then have to troubleshoot to get the connection back again.
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Jan 15, 2011
Just starting a couple of days ago my internet started dropping about every 10-20 minutes. The problem is only with this computer. I have a laptop right next to me and it works fine no problem and two other PCs that don't have any issues so I don't think it is the router. I have scanned my computer with different antivirus software and it's clean. The computer is always connected with a full 5 bars and says it has internet access but sometimes it drops and in order to get it up and running again I unplug the wireless adapter and plug it in again. At first I thought it might have been the adapter so I swapped it out for a new one and I'm still having the same problems. My wireless is unencrypted. This keeps happening over and over again and I am stumped on what to do.
equipment: WRT54G linksys router
belkin surf and share n300 adapter
linksys ae1000 adapter
windows 7
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Oct 27, 2011
My second computer on my network randomly drops out all the time. I have a WRT54G router that is working fine with my first computer (Windows 7) but the second computer (Windows XP) is having issues. It'll be running completely fine and you can even get on the internet after it's been on for a few hours but after a few minutes on the internet (10min about) it drops out completely and can't reconnect.
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Dec 30, 2012
My wired/wireless internet connection drops every 15-20 minutes for a few seconds at a time. I have a Cisco Linksys E2500 which is bridged to a actiontec mi424wr router (Verizon Fios router). My fiance's computer is wired while my laptop is wireless.When I originally set up the network I had 2 mi424wr bridged together but it dropped very frequently. Switching the router and upgrading the firmware has made in happen less but it is still frequent enough to warrant trouble.
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Feb 8, 2012
Network connection speeds drops from 1 Gb/s down to 10 Mb/s..Tried forcing the PC to communicate at 1 Gb/S "Link Speed & Duplex".Tried reinstalling drivers
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Jul 16, 2010
I have a DIR-615, hardware version: C1, firmware version 3.12NA and my issue is that it keeps dropping my VPN connection after 12 minutes. Sometimes it'll go longer than 12 minutes but on average right at 12 minutes of my connection, it drops. This happens whether I'm using the wireless or hard wired to the router. As a test, I ran a continuous ping on a computer on my internal network and also to a computer on my corporate network. When I'm VPN'd in, both pings are successful. Once the router kills my VPN session, the pings to my internal network are successful. So the router isn't rebooting or anything like that. My VPN session will automatically reconnect, but I'm stumped.
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Jun 22, 2012
So I've bought a D-Link 815 on 21st June(day before yesterday) and my connection drops every 10-12 hours and i have to close and open the router(the 192.168.0.1 site won't even work)...i'm using PPPOE connection..
I've bought a D-Link because i heard it's the best on the market and i play online poker so i need a stable connection all day long and more important i need my IP to remain at one value for a long time and not change every 12 hours(i have dynamic IP)
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Apr 13, 2012
I have a DIR-601 and the wireless part of the router as far as i can tell, it drops for about a minute and then reconnects on its own, any thoughts? This i getting rather frustrating because it also does with my previous router. I have changed all the wires included the cable from the wall to the main cable box.
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Jan 10, 2011
We have a site running 2 1131AG access points on different floors with the same SSID.There have been issues with connections dropping over the last 2-3 months to some newer laptops and iphones that have been introduced to the network. It is almost totally intermittent and after updating the IOS and laptop drivers where possible, there is a still a problem that wont go away.I have some example logging from both AP's when this happens (apologies for the date/time differences, however the events are all sequential)
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Dec 6, 2012
We have 2 AIR-WLC4402-K9 devices at a remote location that will both drop their network connections some undetermined time after a reboot. We cannot reach them via telnet, SSH or HTTP. In fact, we cannot even ping them once they drop connection. The only cure we've found so far is to power-cycle the controllers. The controllers are in separate rooms and connected to separate switches. We've confirmed the links are configured as trunks and have the correct speed/duplex settings. I tried updating the IOS & boot loader on one of them but that had no effect on the problem.
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Jul 12, 2011
I installed the RV220W Router in my office about 2 weeks ago and everything works perfectly for 3-4 days but then my connection drops out and the router must be restarted to restore connectivity. When I say the connection drops basically the internet connection drops out and my network connections drop shortly thereafter. Usually the wireless connections lose connectivity followed within a few minutes by the wired connections.
Is there something in my firewall settings that could cause this issue? I have checked with my ISP to verify there are no problems on their end.
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Apr 14, 2011
I'm on firmware 1.0.0.26 and I'm seeing frequent drops in the WAN connection. Most network clients don't notice the drop because it reconnects, but the X11 windows server running over a VPN drops the session and I have to re-establish it. Also, at the same time I experience a 15-20 second silence gap on my VoIP phone connected to vonage (not over VPN). Never happened on my Linksys router, but it happens many times a day on the rv220w. When the drop happens I get the errors listed below in the router log:
Fri Apr 15 09:53:21 2011(EDT) [rv220w][System][PLATFORM] platformHandleDBUpdate:dot11STA op=18 row=1Fri Apr 15 09:53:21 2011(EDT) [rv220w][System][PLATFORM] /pfrm2.0/bin/bwLimitConfig /tmp/system.db 18 dot11STA 1 failed. status=-1Fri Apr 15 09:53:21 2011(EDT) [rv220w][System][EVTDSPTCH] umiIoctl (18, UMI_CMD_DB_UPDATE(4)) failed. table=dot11STA row=1Fri Apr 15 09:53:23 2011(EDT) [rv220w][Kernel][KERNEL] ERROR:endChantRecv: protocol PNAC returned !OKFri Apr 15 09:53:23 2011(EDT) [rv220w][Kernel][KERNEL] ERROR:endChantRecv: protocol PNAC returned !OKFri Apr 15 09:53:34 2011(EDT) [rv220w][System][PLATFORM] platformHandleDBUpdate:dot11STA op=9 row=1Fri Apr 15 09:53:35 2011(EDT) [rv220w][System][PLATFORM] /pfrm2.0/bin/bwLimitConfig /tmp/system.db 9 dot11STA 1 failed. status=-1Fri Apr 15 09:53:35 2011(EDT) [rv220w][System][EVTDSPTCH] umiIoctl (18, UMI_CMD_DB_UPDATE(4)) failed. table=dot11STA row=1
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Aug 24, 2011
Lately (after upgrading to 1.0.2.1 and 1.0.2.4) I have been seeing these particular errors in my syslog server:
10.0.0.1 01/02/11 17:54:47 08/24/11 12:54:58 kernel Warning rv220w "KERNEL [Kernel] ERROR:endChantRecv: protocol PNAC returned !OK"
10.0.0.1 01/02/11 17:54:47 08/24/11 12:54:58 kernel Warning rv220w "KERNEL [Kernel]
[Code].....
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Nov 20, 2011
We had Oracle DB servers connected to ip core network clearly, but now we have connected them through ASA (8.4). From that time all users complains about frequent TCP (oracle tcp port 1521) connections drops: they connect to DB, had some time to work and after that expered sessions are stucked. Issue is solved by reconnection, but for some time. I know that the problem is around TCP connection timeouts/ dead connection detection or kind of this. We dan't have MARS system to troubleshoot it by logs. Also, the only inspection policy is applied is default:
policy-map global_policy class inspection_default inspect dns migrated_dns_map_1 inspect h323 h225 inspect h323 ras inspect rsh inspect rtsp inspect esmtp inspect skinny inspect sunrpc inspect xdmcp inspect sip inspect netbios inspect tftp inspect ip-options inspect snmp inspect icmp inspect icmp error inspect ftp !service-policy global_policy global
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Sep 8, 2012
I am trying to track down a problem I am having with one laptop. Other wireless devices on the network are not showing the same problem. Connecting to the router by ethernet resolves the problem.Over a 120 second period, the wireless connection drops and reconnects several times. Each time it drops it almost immediately picks up and re-connects. The "down time" is usually between 5 and 20 seconds.I have updated the driver for the wireless card (it was out of date) but this did not resolve.
Reading posts here - I see you typically need to see a WiFi inspector screen shot - which I have attached. You can see a couple of "drops" on the graph.
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Jan 12, 2012
My internet connection drops intermittent along with everything else that is setup with the router. The router is linksys wrt110 and the cable modem is linksys befcmu10. Both of them probably needs updating but, can't seem to update and I can't access the web based server at 192.168.1.1
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Jul 24, 2011
I have a PC upstairs, let's call it (Peter-PC), my dad has a PC downstairs (Kris-PC) and I just setup a linux home server downstairs as well called (server).Now, Peter-PC is connected through Linksys powerline adapters to the router, and server and Kris-PC are connected directly to the router as well.Peter-PC stays constantly connected to the internet, only until Kris-PC is turned on, then Peter-PC connection goes mental and begins to disconnect, reconnect, can't ping the router. As soon as Kris-PC is turned off,Peter-PC is back to normal.However, if Kris-PC and server are both on, they both operate fine. Seems like Peter-PC is the only unfortunate one.I mean the powerline adapters have been working for over 3 years now, and the Powerline light is flashing meaning they are communicating, I highly doubt it's the adapters.
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May 9, 2012
We recently moved and upgraded our internet service from 1.5 Mbps to 4Mbps with CenturyLink. However, since our service was activated last Thursday, the internet connection intermittently drops and will not recover unless I reboot the modem. The period of up-time will last anywhere between fifteen seconds to several hours, usually falling along the five-to-ten minute range. No difference when using ethernet/wifi. The DSL light stays on, and the Internet light remains on as well.
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