Cisco Firewall :: ASA 5510 Extremely Slow Internet Speeds?
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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May 16, 2013
I've recently upgraded the configuration on one of our 1130 series standalone access points. I've implemented RADIUS authentication, WPA2 encryption etc. in an effort to make our network more secure. While this part seems to be working as planned, our data transfer speeds have taken a major hit. On our test AP, with only one laptop connected, the laptop will report a connection at 54 Mbits. When using any speed test service the speed reported is approximately 15 Mbits. We have 100 Mbit internet, and desktops connected to ethernet show much higher speeds. When transferring files via our own LAN, data transfer rates average approximately 2 Mbytes/second. I've tested this on 3 separate laptops, some relatively new, and it seems they all get the same speeds.
Long story short, our wireless seems to be operating under a third of its reported speed.
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Jan 24, 2013
i just replaced my malfunctioning E4200 with the new EA6500 and the speeds are almost like dail-up. I haven't changed ANYTHING in regards to the setup, so I don't see what I could possibly be doing wrong. I even went as far as hooking up the old E4200 to my laptop while having the EA6500 hooked up to my desktop so that I could cross-reference the router settings. They were exactly the same.
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Jun 5, 2011
All I want is functional Wi-Fi in my house like the rest of the world. Unfortunately, I cannot have that for whatever reason.
Now that I said that, Let's me get down to explaining my issue. I orginally owned a Linksys WRT350n. This router worked fine for years, untill one day I decided to do a speed test on my new Motrola Atrix. My Wired computer gets ~22000kbps down and 4000kbps up... My wireless speedtest on my Atrix yielded 2000kbps down and 4000kbps up. I assumed it was the phone, so i went and tried every other wireless device in my house. Everyone of them got the same result.. 2000kbps down.. 4000kbps up.
At this point I went into my router settings and tried every available channel, all of them yielded the same result of 2000kbps down and 4000kbps up.. At this point, I assumed it was the router. Ive had it for a few years and figured it was just reaching EOL. I rushed to my nearest bestbuy to pick up a brand new Linksys E4200. I brought it home, hooked it up and was eager to test my new wireless speeds. Unfortunately the same results of 2000kbps down and 4000kbps up was the yield. Once again, I've tried every possible channel with no change to my speeds. At this point I called up Linksys/Cisco support.. They were POSITIVE it was a hardware issue and had me exchange the router, even though I informed them i had the same issue with my older router of a different model. I went along with it anyway, and exchanged my router. Same issue. I called Cisco/Linksys back up and informed them, and basically they told me "they'd make a note of the issue and call me back at a later date."
I downloaded a WiFi Analyzer on my cell phone. Theres only two other dectable networks in my area, and they are low low low signal. So, I don't believe it's heavy saturation. The router is in the same room as 3 of the wireless devices that get 2000kbps down/4000kbps up. So it's not range either.
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May 22, 2011
Download speeds, per speedtest.net and speakeasy, are about 20mbps.When the speed test gets to the upload part, it usually hangs or takes a long time before giving me a result of about 0.04mbps. Basically, it's so slow, it sometimes just gives up and times out.This translates into a real shoddy internet experience because something as simple as choosing airline tickets requires your computer to "upload" your choices. And of course, if that doesn't happen within a certain amount of time... Timeout! I have tested the connection without my Netgear FVS336G Dual WAN router in the way and it is much better so I'm certain it's the router.When I tell the router to use WAN 2, which is where my AT&T DSL connection is on, the upload works just fine (about .4 mbps - I'm provisioned at 512kbps so it's fine).Also, this is the case on ALL computers on the network - wired, wireless, PC, Mac, iPhone, iPad, you name it. So, it's definitely not device specific.
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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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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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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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Dec 6, 2012
For the past week my internet has been extremely slow, I can watch a South Park episode online and it'll take me at least one hour before I can watch the entire thing because it keeps buffering every 20 seconds. I can barely browse MMO-Champion because it takes one minute to load. Every site takes forever to load. And it's just on my stationary computer. My laptop and mobile phone works just fine. It feels like I've tried everything:
* I've cleaned cache and cookies and stuff like that with CCleaner.
* I've used my console and done all that ipconfig stuff with /flushdns etc etc
* I've used my console and done all that netsh stuff as well
* I've tried to reset my router
* I've tried to use that Microsoft Fix-It program to do whatever it does.
* I've looked through my computer with my anti-virus and anti-malware
* I've installed the latest drivers for my network card/adapter
* I've fixed options on the computer that would allow my computer to perform better
* I've purchased another wireless adapter just to see if that was the problem
* And finally, yes, I've tried restarting the computer
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Apr 28, 2012
I'm suffering with this annoying internet connection for a months. I'm using a router (tp-link) which I think the source of the problem ,yet I'm not sure. I'm a connected to the router via cable.My download speed is 10kps and below, we already contacted our ISP and change the cable yet the problem is still there.
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Feb 15, 2013
I've recently had Centurylink's Prism service installed and at the same time my internet connection upgraded to 10Mb. When they installed the new service, my modem was replaced with a Cisco DDR 2200-CL modem and router in one. On Monday of this week my internet speeds had dropped. I check my speeds on speedtest.net several times and it was under 1Mb each time. After an hour I called and scheduled a technician to come and check it out. He came the next day, but my speeds were back to almost 10Mb again, and he couldn't find any problems.
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Nov 17, 2012
I am tethering 4g on my Gs3. i am using the wifi tether app rooted. i can connect to my pc and speedtest gives me 25mbps down and about 13 up. but when i connect to my xbox my connection is extremely slow and i only have 3 bars. dont understand whats wrong. and also when i download files it can never go above 1mb. and its not the files because i have downloaded many and its the same story. my brother has the same connection with a nexus and gets 3mb on his files. why my tether is so slow and anything i can do to fix it.
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Jul 3, 2011
I have a year-old Sony Vaio laptop which connected to the internet without any problems on my BT Homehub connection. However, I recently moved in with my girlfriend who has a Virgin media connection and, although I can connect to it without problems, it is extremely slow (around 0.30 mbps) whereas my girlfriend's laptop is fine (9.74 mbps), we both have iPhones which are also fine therefore I'm pretty certain the problem lies with my laptop. I have tried updating the wireless card's drivers (windows tells me they are up to date) and I've also tried disabling my Norton 360 but it didn't make any difference.
[code]....
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Jan 21, 2011
For a few days now, my internet has been as the title suggests. A speed test has shown my download and upload speeds to be about 0.06 mbps each. Every once in a while, I try a diagnose and repair, and occasionally I get one of either "Reset your TCP/IP settings" or "Improve your TCP/IP performance", but neither works. I've tried resetting my modem and have done a system restore to no avail. Offline performance is good, RAM is in good shape, etc. AVG hasn't found any viruses or spyware. It's an ethernet cable, by the way.
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Apr 16, 2013
A while ago I had to take my laptop in to have it formatted and reinstalled after I had picked up a virus. I use the internal modem behind the battery where you insert the card, if I insert an external dongle using the same sim card it seems to work just fine. Before the reinstall it was just fine, connection speed was great 3g etc, now it is slower than an old 56k dial up (no kidding) I have asked the company where I bought it, but they cant find the problem. Is there a setting or update etc that I need?
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Nov 4, 2011
We are having several issues with the new batch of RV016 (rebranded as cisco and with cisco firmware. The Cisco RV016’s are configured to load balance aDSL internet access from 4 Cisco 877 modems/routers. Ports used are WAN1, WAN2, WAN3, WAN4.
Issues are: WAN 1 port resets to 0.0.0.0 regularly and traffic on WAN 1 fails DNS fails regularly behind the RV016 onlyIntermittent internet connection behind the RV016Slow internet connection behind the RV016Extremely slow DNS query and reply behind the RV016 (DNS resolve takes 1min -1m30)
The issues above are reported from different deployment sites and with different scenarios.
We also test above with Code...
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Aug 23, 2012
I have been having problems with my Internet the past couple weeks. If I am watching a video, it doesn't matter which site, the video will stop and start from the beginning or the video will just stop altogether and I have to refresh the page. Another problem that happens while browsing, it will take about a minute for a page to load. The computer I am using is wired right into the router.
The rest of the family's computers the apple tv and the roku are wireless. I have been hearing complaints from them and have witnessed the laggyness. While streaming videos on the roku or apple tv, the video will stop and say video is not available or no connection. This is what I get from ipconfig/all
Microsoft Windows [Version 6.2.8400]
(c) 2012 Microsoft Corporation. All rights reserved.
C:WINDOWSsystem32>ipconfig/all
Windows IP Configuration
Host Name . . . . . . . . . . . . : Matt-PC[code]......
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Jan 28, 2012
we have installed an asa 5510 with 3 interfaces : dmz (web server 172.20.0.59;application server 172.20.0.58; server mail 172.20.0.157), inside (lan) and outside (connected to a router for internet connexion). the problem is that the connexion internet is slow in the inside (lan). our dns is in the ouside with ip address x.x.x.60 ( the dns have translated addresse to inside and dmz 172.20.0.60). the router connected to our IPS have x.x.x.33 (our default gateway for internet). there is a simple switch between firewall and router. the inside interface of the asa is connected to catalyst cisco 6509 (the interface gigabit of the 6509 is configured to auto speed and duplex). the asa have base lisence.here is the configuration of the asa and the output of commandes show interfaces (inside, outside), show asp drop , show perform.
firewall# show run
ASA Version 8.2(1)
!
hostname firewall
domain-name xxx.xx
enable password dgft12ghkHKM123Z encrypted
passwd dgft12ghkHKM123Z encrypted
names
[code]...
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Jul 4, 2012
We are using ASA 5510 with internet link of 40 MB. we are facing issue of slow download speed. we have done all basic troubleshootings like: fixed duplex full on interfaces, checked CRC reeors on interfaces.
we are using around 40 L2L VPN tunnels on same ASA.
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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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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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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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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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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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Mar 1, 2010
I'm currently subscribed to Comcast's 22/5 Internet service. Internet upload speeds on both wired and wireless are about the same at ~ 5 Mbps. Wireless download speeds range from .5-3 Mbps. Wired or Wireless, I receive LAN speeds of ~32 Mbps or 3-4 MB/s. The noticeable issue is wireless internet download speed. I have tried every configuration possible with my router, updated drivers on devices, firmware and tested everything I could on all PCs, and even used the XBOX 360's media extender network tuning feature as a tool in my investigation to find this bottleneck. All reports point to internet download speed. Again, general LAN and internet upload speeds relatively meet expectations. The wired download speeds are slow at times, but consistently meet expectations.
My current Setup:
Wifi
A4 1.33NA
WPA2 Only - Personal
802.11 Mode : 802.11n only
Channel Width : 40MHz
Channel : 1
[code].....
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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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Feb 5, 2013
I am only getting 10-14 mbps when I should be getting 30-35 (using the gigabit ports). I thought it might be my provider but today I connected my old netgear router and the speed was 32-34 mbps. Is there some setting that I should be looking at?
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Sep 18, 2012
I have recently had trouble with my wireless D-link WBR-1310 Router. Two days ago everything was working fine, my wireless connection from the router to my macbook was fine and the wired connection to my desktop pc was also fine. I went to bed and when I woke up the next day everything was still ok. About 3 hours after I had first turned on the PC that next day my wired connection started spiking and dropping connection frequently, maybe every 5-10 minutes or so. I play world of warcraft and I also use Mumble VoiP Program and my pings in both are over 800 constantly now making it impossible to stay connected to either program. Sometimes it will drop down to regular numbers (25-50ms, I play on eastern servers as I am in NY) but then rapidly jumps back up into the 1,000's. My wireless connection is still fine though nothing has happened to that, only my wired connection is messing up.
I've tried changing my speed and duplex settings on my onboard NVIDIA nForce 10/100 Mbps Ethernet which is what im using but it hasn't worked. When connecting directly through the modem the problem seems to stop so its definitely the router.
Wireless Router: D-link WBR-1310
Hardware Version: B1
Firmware Version: 2.02
[Code]......
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May 5, 2011
I just had comcast internet installed, and am using a linksys wireless router (WRT160N). When I connect my netbook to the network it gets 0.7mbps on speedtest.net, when I use my girlfriends laptop it gets 16+mbps. I have tried everything, I am at my whits end. I have updated my firmware, updated windows to the the limit and reset the settings on my router. If I connect my netbook directly to the router I get 20+ but wireless is 0.7 and upload speed stays the same. I am using an HP Mini 210-2000 with windows 7 starter, I have updated it to service pack 1 and have all the windows based drivers installed. I have not tested it on another wireless network to see if it gets the same terrible connection. I don't know if its something with my computer, windows 7 starter, or the way my computer talks to the router
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Mar 9, 2013
I'm having a big trouble with my internet connection. The Upload speed is extremely slow after i got a new mainboard, that problem appears.[code] I'm tired with my suck internet connection! Upload a 1MB photo to Facebook took me hours..This problem has started for a week.
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Dec 29, 2012
I've some troubles connecting my PS3 to my RV120W.Both router and PS3 have latest firmwares. They are connected wireless (distance is about 10 mt, signal is good).PS3 ip is in DMZ (connection doesn't work with only Upnp), and ip fragmentation is enabled.Everything seems to work (NAT type 2), but downloading on PS3 is extremely slow. My ADSL is a 6Mb, download speed on PS3 seems like more than ten times lower (I don't know how to test it..). Plus, downloading a 100 MB patch is almost impossile, cause sooner or later I get an error and i have to restart.Two of my PCs are connected wireless, so I guess wi-fi is not the problem.
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Mar 12, 2011
Just relised this problem after trying to leech some stuff from a friend from his pc at a lan My connection seems to go REALLLY slow. Heres a pic nobody else is file copying and its the same from every pc.
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Jan 3, 2012
So recently my wireless speed on my desktop had dropped considerably. I have a 3Mb/s connection, but I am getting speeds ranging from 0.2-0.5Mb/s in speed tests(Actual Mega bits, not Bytes). Last week I set a static IP so that I could do some port forwarding. I don't exactly remember what day I did the static IP, and what day it started going slow, but this is my prime suspect. All of the other computers on the network are running at full steam. I even changed the settings on my wireless adapter back to obtain IP/DNS automatically, but the problem still persists.
I am using a TP-Link wireless USB adapter with up-to-date drivers. [URL]. I already had the ports forwarded in my router. I reformatted my PC a few weeks back and finally got around to setting the static IP again. The forwards were saved already in the router, I just set the IP to the one I had used before.
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