Cisco VPN :: 5510 Slower Internet Speeds While On VPN
Oct 9, 2011
I have installed a new ASA 5510 on our internal network as a termination point for our VPN connections. This ASA replaces the VPN termination on our outside ASA. I have setup a VPN group profile and enabled DTLS on the interface on this ASA. The only interface on this ASA is the inside interface. We have done speed tests while on the VPN from both devices. When connecting to the VPN on the outside ASA speed tests show download speeds between 5-8 Mbps and upload speeds of .80-.96 Mbps. When connecting to the VPN on the inside ASA speed tests show download speeds between 2-3 Mbps and .76 Mbps. When I run the "show web-session svc" command on both instances I see that the connection to the firewall on the outside shows that the protocol being used is DTLS however on the inside it doesn't show DTLS.
I think that part of the problem is that DTLS isn't being used. What can I do to improve my download speeds? Will the ASA use DTLS if the interface that is being used is the inside interface?
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Aug 17, 2011
I have two computers in the house both HP desktops, both run Windows XP SP3. The first one is connected to the internet by ethernet cable through a WRT160N router to a cable modem, the other is in another room ( about 20 feet away from the router with only one wall). The wired computer averages around 15-20mbps download speed while the wireless only gets about 7-9mbps. I've checked them both using Speakeasy.net and Speedtest.net the results are always about the same, the wireless has about half the download speed of the wired connection. They both have .95-.98 mbps upload speeds. When my old router (WRT54GS) finally gave up I bought the WRT160N which is an N router, I haven't upgraded the network adapter in the wireless computer to N yet. My question is should I lose this much speed through the wireless connection or do I need to change the settings on the router or the wireless adapter?
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May 19, 2012
I just bought a 30m CAT6 cable which I installed inside the house, now since my router is on the floor above me I bought a 30m cable to be able to have it downstairs. I don't really know if it has something to do with the PC or if it is the length of the cable that is the problem. But when I try the PC on the main floor the speed is 15-20mbit/s and when I try it on my PC downstairs, all I get is a maximum of 10mbit/s. The strange thing is that ping/jitter is the same both upstairs and downstairs?
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Mar 9, 2013
I have had an issue with my AE2500 wireless adapter. I am using a LInksys E2500 dual band router but my samsung laptop's wireless adapter doesn't support 5ghz band, so bought the AE2500.I disabled the internal adapter and got the AE2500 connected up. I've set up the 5ghz channel with wireless N, and left 2.5ghz as it was. Somehow I am now experiencing slower speeds on both bands, when using speedtest.net's speed test. It's the 2nd time in my life I am having an issue like this, where I am adding something with capacity for more speed but end up things being worse. Previous was with a netgear adapter and router a few years ago. Maybe I'm doing something wrong but I honestly don't think so.Also best sequence to get the new adapter connected? Should I do it before I disable the existing adapter?
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Aug 1, 2012
users behind asa5510 on both vlans10 and 20 have slow internet speeds (2Mbps down/170kbps up). carrier provides 13Mbps down/5mbps up and speed tests on another port on the asa 9Mbps/5mbps. There is no speed/duplex mismatch on the switch (cisco 2960) that asa port is connected to. what else could possible cause that ? cisco 2960 is in vtp transparent mode. mtu on both vlans is matched.
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Jan 16, 2012
We have an ASA 5510 and are experiencing unbelievably slow speeds. I noticed a problem last Thursday with users complaining of slow speeds and realized our interface had a ton of errors and was running at half duplex. I contacted the ISP (we are connected to their 3750) and they swore up and down they were set to full. So they had me switch to full and the interface shut down. I asked them to switch to auto and the interface came back up and we went to full, and of course the errors and colisions stopped. However the errors and packet drops have not stopped. The ISP sent out a technician and they determined it wasn't a problem on their end by plugging in a laptop and testing the speed--that worked fine. Eventually I plugged in a Sonicwall and bypassed the ASA completely and that worked fine. We plugged the ASA back in and we we went back to dropping packets. I put an old config on the ASA and oddly enough it seemed to have fixed the problem but we were still dropping packets. So I put the most recent config back on and that worked fine up until today. We're back in the some boat we were last week. So my first question is when I do a show int and see packets dropped - is that normal because of ACLs etc, or would that be show in another place? Here's an output of show int and show asp drop:
HQ-ASA# show asp drop
Frame drop: Flow is denied by configured rule (acl-drop) 3366 NAT-T keepalive message (natt-keepalive) 423 First TCP packet not SYN (tcp-not-syn) 406 TCP failed 3 way handshake (tcp-3whs-failed) 135 TCP RST/FIN out of order (tcp-rstfin-ooo) 462 TCP SYNACK on established conn (tcp-synack-ooo) 46 TCP packet SEQ past window (tcp-seq-past-win) 50 TCP invalid ACK (tcp-invalid-ack) 9 TCP Out-of-Order packet buffer full (tcp-buffer-full) 29 TCP Out-of-Order packet buffer timeout (tcp-buffer-
[code]....
I have not made any configuration changes to the ASA ina couple of months. The interface counters were cleared about 45 minutes ago if that's how quickly the errors/packet drops are adding up.
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Apr 11, 2012
I recently installed a high speed fibre optic internet in my house. The speed is 20 mbps... When checking the speed at speedtest.net,every other device in my house gives around 17-19 mbps but my desktop shows only 2mbps.. What is the problem??
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Mar 3, 2011
I ran an xp computer for a long time, in WoW i had a latency of around 100-120 which wasnt that bad. Now I built a computer with Win7(64bit) and the latency varies from around 250-370ms.
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Nov 12, 2012
I recently built my first PC:
OS Version: Microsoft Windows 7 Professional, Service Pack 1, 64 bit
Processor: Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz, Intel64 Family 6 Model 58 Stepping 9 (overlcocked to 4.1)
Processor Count: 8
RAM: 16339 Mb
Graphics Card: NVIDIA GeForce GTX 670, -2048 Mb
Motherboard: ASUSTeK COMPUTER INC., P8Z77-V PRO
Antivirus: avast! Antivirus, Updated and Enabled
But I have been having major issues with internet speed. I browsed through the forums and, as a result, updated my LAN driver with the latest driver for the Intel LAN Driver V17.3.0.0
I have the virgin media super hub with up to 60mbps download but rarely get over 20 and even then the download of webpages seems glitchy... on evenings it is terrible with 0.5 to 1.5mbps being the norm.The problem is also affecting Chrome which struggles to render maps and stream videos such as 720p videos on youtube even when I have a tested connection of 30ish. I usually resort to using Explorer, reducing videos to 360p or even 240p.I've reinstalled Chrome a few times but still no change.
What is going on??I also have an old Dell Inspiron laptop which works brilliantly with the fast internet - where the speed of the hardware is the only limiting factor.
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Mar 18, 2011
I recently ran a couple of speed tests to see how fast my internet was, the average reading was about 1.1Mbps, yet the most I've seenmy downloads downloading at is 180Kbps. I am connected wirelessly.
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Apr 14, 2011
I have a synchronous 10 Mb connection to my isp which I have conneted to a CISCO asa 5510. I have done a lot of testing and there is a very noticable difference in my upload/dowload speeds.When I connect a laptop directly to the Cable from my ISP's equipment and have the NIC set to autosense, I get similair results for Download/Upload Speeds I have tested and get 9 plus down and 8 plus up.When I either connect the asa directly to this cable and set to either 100/Full or autosense OR I place a non-managed switch in between the asa and the ISP's equipment My upload speed drops dramataically. The Download speed stays about the same 8 Mb Plus but my upload falls off the face of the earth drops to about a 1Mb. I have noticed this many times when I am going from a cisco 800 series router to a Cisco ASA.This is severely limiting my ability to perform replication out from my locale.
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Feb 25, 2011
I have an Acer Laptop that runs on Vista and run my AT&T 3g wireless card on it and it browses the web as if I had a cable connection, however, the I try to use the same card on my Dell that runs on XP and has 768 MB of Ram but it can take over a minute to pull up a website. Should I get more ram though the min requirements for XP are 256 for this connection?
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Oct 8, 2012
I am facing with internet download speed reduced to 1/4th (500kbps) of promised speed (2Mbps).
ISP: Tikona India Type: Wireless unit at roof connected to PoE and ethernet cable
OS:Win7 and ASUS Express Gate I am using the ISP for over a year and was happy but for past 1 month got issues.
The first service engineer came and changed the poer adapter, clipped the ethernet LAN cable. The AI NET 2 utility in BIOS showed the pair 1-2 and 3-4 are short. So second service engineer changed the cable, power adapter and router.
I hoped that things will get resolved but still the speed was slower so the enginner unplugged the LAN cable from my desktop and checked the speed in his laptop. He was getting 2.5Mbps. Then I checked in safe mode with networking and asus express gate but still got reduced speed from 500 to 600kbps.
I had a NIC replacement so tested with that also and got same reduced speed.
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Jan 2, 2013
I'm having this weird issue with my internet in which my desktop is having inconsistent internet connection, but when I check on my laptop (same room) it shows no problem.I have ATT Uverse, and my desktop's adapter is Belkin N750 DB Wireless-N Dual-Band USB Adapter, while my laptop has some adapter (I don't know the brand, but I know it's 802.11g.Also, my Desktop has much better specs than my laptop. My desktop has i7 intel processor, 4GB RAM (x4 total of 16) and 60 GB SSD boot drive and 2 TB hard drive for all the other softwares. My laptop on the other hand is a Sony Vaio with 8GB RAM and 500 GB hard drive.When going through these inconsistent internet connection phase, my desktop can drop to not even a megabyte per second, while my laptop may be at 8~10 MB download speed, but a tthe same time the ping on my desktop is around 5, but my laptop shows around 17.
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Jan 31, 2012
I seem to have an issue when with my new E2500 router Version 1 (upgraded to the new fireware - today to elimate issues with that).I had RCN installed a 50MB connection today.When I connect directly to the Modem, I get almost the 50MB of the server, see link from the speedtest. [URL]. However, when i plug the ethernet cable from my Cable Modem to my Wireless Router I get around 15-20MB. Here is an example:[URL]. I know speeds can vary, but if i unplugged and rest within seconds i get my expected 50MB.The cable modem is in the living room, right next to the Wireless Router. I am situated less than 2 metres from the devices when I get results and have full bars.I've tried varying the MTU on manual and also enabled it to adjust as required.
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May 19, 2013
My Belkin F7D4301 Router has the fastest wireless speed of maybe 2MBps but wired with a cat5e cable to my asus laptop of almost 7MBps. I have a one smart TV, one blue ray, one roku, and a nexus 7 using the 2.4 channel.
My Wireless 2.4 settings are channel 11, Extension channel 7, Wireless mode N (have tried with just g and b, g, and n modes), Bandwidth 20/40, Protected mode on, QOS off.
I've talked to Belkin tech support, they are the ones who had me set up my 2.4 channel this way but my wireless speeds stay just under 2MBps, they just want to keep sending me the same model Router because they think each of the new ones they send me is defective.
Am I doing something wrong or is 2MBps the best wireless speed I'm going to get?
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Dec 28, 2011
I have full wi-fi signal and I have a fast broadband connection. Every now and again the connection speed to just one PC drops to a point where there is almost no activity. I get various "connection timed out" and "DNS lookup failed" errors, then after about 10 minutes of frustration everything works again. I know this problem is isolated to just this one PC as I have done Internet speed tests from another computer. I have tried using different wireless cards, resetting the router, changing DNS servers. Nothing has worked.
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Jan 13, 2013
I am with Virgin Media, on their 60Mb service.I never go over their limits, according to them I download and upload very little.However the difficulty comes about when I start using a program called Xsplit to stream video games.After about 5-30 minutes of this, my 60Mb speed gets shot to between 15 and 25Mb, and the 3Mb upload gets shot to 0.4-0.5Mb.
They finally came to me today and after a few tests, said all the figures on their end showed it wasn't their network, but was instead on my end. They figured this out because the numbers from my modem showed it was something like 63000000 and 3000000, meaning my speeds should apparently be normal? (I don't know...). I turned off my wireless (turned the Superhub on to "router" mode), and the internet shot back up to 60Mb. I then after about an hour, requiring to use wifi on my tablet again, turned "router" mode off, so WiFi was available. Bam, my internet went back to 25Mb / 0.5Mb.My specs are as follows:
Windows 7 64 bit Ultimate
8GB DDR3 1600 Corsair vengeance RAM (or 1833, not sure)
GTX 680
i5 2500k processor, overclocked to 4.7GHz[code]....
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Mar 25, 2013
My custom built computer, only 4 months old, is right now getting an approximate internet connection of 4 mbps. I'm supposed to be getting 60. (This is mbps down by the way) how to get my speed back? I've tried other network adapters but it's not working.
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Feb 8, 2012
I live in a townhouse in a college campus which means we all have the same ISP. I checked the channels and checked wifi stumbler. They both look good. For the last few days I have been getting really slow internet speeds after 7 pm till 1 am. I am paying for 25 mbps but around that time I get 0.5 mbps. I have the latest firmware for the router. I talked to customer support twice and all they did was reset my router and tell me to power cycle it. It can't be range of the router because my laptop is right next to it.
P.S: Here is my speed test: [URL]
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Jun 12, 2012
I currently have a 2 router setup working ( one in the office running a wire behind walls to my upstairs computer ) and have an internet speed of 35/35. We will be upgrading when fios comes out with the 150/65 plan and would like to upgrade our slave router as well. Currently it's a D-Link WBR-1310/RE 54mbps 802.11g router and we would like a router capable of handing the full 150/65mbps with wireless N capabilities.
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Mar 23, 2012
I want to set my friend up on my internet so he gets faster speeds on line how do I go about doing this?I am running win 7 on an i7 with 24 gig of ram. 2 gtx 560ti
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Dec 22, 2011
we have 2 thompson HDSL routers connected to the internet. we want to combine them to have higher bandwidth and load balancing so we attached them to a linksys rv042 router. we are running a Xbox applications that require high speed internet streaming.
if the RV042 can combine those 2 high speed internet connections, without disconnecting.
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Jan 17, 2012
I have two 5520s in a failover configuration. When browsing the internet behind them the speeds average 0.5Mb/1.0Mb Download/Upload. When bypassing the ASAs the speeds increase to 4Mb/6Mb. I have checked the interfaces on the ASAs and there are no errors, collisions, drops, etc.
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Jul 29, 2011
I did a search and came across this board because I too am having the same issues with wireless connection. I went as far as buying a new router, which like the original post stated, worked well for a few and then stopped. It's frustrating because I need the wireless connection for many items I use at home.
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Jul 18, 2012
I just got a our internet going through our phone modem instead of a separate modem, a new router, and some new rewiring because lighting hit near my house and blew out everything, but now on the computer I built my internet connection drops really low randomly and nothing loads. It happens at random times and for a random periods of time. I ran malwarebytes and super antispyware and nothing showed up. I connect wirelessly with a asus usb adapter.I also tried a different usb adapter that I just bought and no change, and I tried changing channels on the router.Also we have three other laptops in the house and none of them are having problems. It shows me connected with five bars and good signal it just drops to almost nothing speeds.
[code]....
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Sep 24, 2012
I'm currently in a University dorm room connected, via ethernet, to a splitter in our room. Starting just yesterday, my usually amazing internet speeds tanked to about 8 kb/s, and have stayed there since then. My roommate, also using ethernet, is having no problems.You'll have to excuse my lack of knowledge on this subject, I just hope I'm not completely clueless:
I first did the obvious checks, made sure cables were connected and secure, restarted our splitter as well as my desktop, disconnected and reconnected to the University Network, I even attempted to connect to wireless to make sure the problem still existed, and it did. ~8 KB/s download speed.I made sure I have, to the best of my knowledge, no background programs running that may be stealing bandwidth.I checked to make sure it wasn't only affecting my preferred internet browser, and programs like IE and Firefox showed similar, if not worse, results.I tried recovering to a few days ago when I believe the problem didn't exist, and the problem still existed.I ran through my programs list and made sure nothing was installed recently that could hinder performance.I ran a complete scan through McAfee, which produced no results.To double check, I downloaded (slowly) and ran SpyBot, which produced a few errors, but I quickly "fix"ed them and restarted my computer, ran another scan, and now nothing.
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Aug 21, 2012
The speeds for my internet connection seems to vary significantly. For most of the day I have checked the speed of my internet from various websites such as speedtest.net, speed.io, speakeasy, 2wire, etc. The upload speeds are fine and are close to the advertised 4 Mbps upload speed that I am paying for.During the early afternoon, the download speeds are around 15 Mbps and start to slowly decline until it reaches 1 Mbps at around 9 PM. This has been going on for months and I pay for 30 Mbps download speed from Charter. I've checked this on three different computers throughout the day and they all read the same thing. I don't know if it's a problem with my router or a problem with the wiring in the house. the modem/router I have right now is a Motorola SBG941. url...
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Oct 1, 2011
I'm looking to increase my internet speeds as much as possible and was wondering how much my central splitter affects internet speeds? I have an ADSL splitter at the moment, im going to link 3 photos which shows the splitter and how it is wired. Also if you look at the black phone line which connects my house you can see that only two wires are being used (blue and white)? Is this the right setup for ADSL2 or should all 4 wires be connected to the splitter? Im getting only about 500kb/s download and 40kb/s upload max right
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Feb 11, 2013
Ok, so my internet disconnects while downloading at high speeds, anything higher than 2mbs. I end up having to reboot my computer because my modem looks fine and even if I reboot it, it does not fix the problem. Repairing the connection does not work either.I have a Dell XPS 720 H2C. The computer came out in 2007, costed like 6 grand lol. I'm happy with it aside form this problem though. It sucks cause they quickly stopped making the computer so tech support on it is tough to come by. I have Cox Communications and when I run speedtest.net I get 140/30. I'm hoping they aren't disconnecting people that reach a certain download speed.Anyway I'm fairly positive it is an issue with my computer or Windows Vista. I know I should upgrade to Windows 7 and I just might if it turns out to be the culprit. I just don't want to do that unless I absolutely have to. So ya, first off when using utorrent my internet will crash if I have a lot of different torrents open and downloading at the same time. It will also crash if I have one torrent active and that torrent goes above 2-2.5 mbs download speed.Also when downloading from a fast filelocker my internet will crash. The only filelocker that will crash my internet without me browsing at the same time is a filelocker called Gamerfront. The speeds are around 2mbs. I will also crash sometimes though if I'm downloading and browsing at the same time. My downloading speeds could be well below 2mbs but if I am watching youtube, streaming, or just browsing the internet sometimes the internet will crash.
That is the main problem, but sometimes, rarely I'll disconnect just from watching a youtube video. That's happened maybe 3 or 4 times. Anyway that is the summary of my issue. Again only a computer reboot will fix my connection. When I get disconnected the modem does not change at all and is still working perfectly. The modem is relatively brand new as well. I haven't tried much to fix it because I just have no idea what I could do. Device manager looks fine, no exclamation points. I know when most people have this problem it's because of a router or it's the modem but I don't use a router and my modem seems to be totally fine. [code]
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Feb 27, 2012
Okay i just got the DIR-615 N Router and at first i was getting 40 ping on speedtest.net but now I'm getting 360 ping which is really frustrating since i upgraded because my old one was having troubles and also when i get to the check connection in the setup i am getting Your new router does not appear to be connected properly.
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Aug 23, 2012
Our internet connection is connected to an ASA. The download speed is ok but the upload is very slow. we have been running some speed test from our LAN, and have been also trying to upload/download file.
Our ASA also have the IPS module. I turned this off but we've got the same result.
I send here attach the configuration file of the ASA.
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May 30, 2011
Att says they are giving us 3mb/sec but we get 300kbps and speed tests from anywhere say we get 2.5 to 2.9 mb/sec yet even on unlimited bandwidth downloads(like torrents) with thousands of seeds connected and a few peers they never get faster than 340kb/sec.
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