Cisco Wireless :: AP WAP4410N Packets Are Being Dropped
Aug 20, 2012
I am using WAP4410N access point to connect 5 computer to the network. Recently the wireless network is very bad; pakets are often being droped, very high reply times. I have upgraded to the latest firmware tried to change configuration with no use i even tried the default configuration. I assumed that there's interference. I tried another AP ( linksys one) and things seems to be okay. what would be the problem with AP?
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Jan 27, 2012
I notice that I have TX Packets Dropped only under the wireless section.This occurs when the wireless network is not in use also.I have tried many different channels, almost all of them.Im using wpa2-tkip+aes, mixed g and n network, auto 20/40, wps disabled.I understand about wireless interference also.wireless devices dont seem to have any issues though, not dropping from network.I usually get 4000 wireless TX drops a day. LAN and WAN show No TX drops
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Apr 27, 2013
I am truly struggling with the changes after 8.21. I am trying to get a VPN up between two sites. This is the B end, I am sure there are a bunch of problems in the other end too. Eg. the tunnel NAT does not have the right priority 1.when I establish the tunnel I get this:
3 Sep 01 2008 11:23:37 Tunnel Manager has failed to establish an L2L SA. All configured IKE versions failed to establish the tunnel. Map Tag= outside_map. Map Sequence Number = 1.
# packet-tracer input inside tcp 10.2.32.11 80 10.1.1.10 80
Phase: 1
Type: ACCESS-LIST
Subtype:
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Jun 9, 2013
I happen to noticed the FWSM was dropping packets at about 387 packets every 5 minutes. My outside FWSM is WAN facing and has a 1gig link (35% utilized) my inside facing has about 100 downstream switches to the closets. I do not see my 6509's back plane is being over utilized and my understanding of the FWSM show be go for 5 gig so it isn't oversubscribe. Why i am seeing packets dropped?
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Dec 5, 2012
Our Cisco ASA 5510 running 8.4(4)1 just started dropping packets and our AnyConnect clients are seeing horrible performance. The system is extremely slow compared to just a couple days ago.Nothing has changed on the system. I can post the configs if needed.
firewall# sho int
Interface Ethernet0/0 "outside", is up, line protocol is up
Hardware is i82546GB rev03, BW 1000 Mbps, DLY 10 usec
Full-Duplex(Full-duplex), 1000 Mbps(1000 Mbps)
Input flow control is unsupported, output flow control is off
Description: == WAN Interface ==
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I have done a "sho vpn-sessiondb detail svc" and I can see the dropped packets of the individual users, but cannot see why the packets are still dropping.how I can correct this and restore speeds?
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Oct 31, 2011
i am wanting to log dropped and oop packets on a c3825 isr with ios12.3(11)T3. on other routers(like a 2951 running 151-4.M2)i can state ip inspect log drop-pkt and it will log to buffer or syslog all dropped and oop packets. can i do this on this 3825 another way
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Mar 13, 2012
I have a problem with the 6500 not exporting netflow data. They are not exported due to no fib.I have read somewhere that this has something to do with VRF. VRF are running on the router.ip flow ingress has been applied to desired ip int.Is there anything I could do to make it export netflow data?
VSS-core-XXX-rs1#sh ip flow export
Flow export v5 is enabled for main cache
Export source and destination details :
VRF ID : Default
Source(1) xxx.xxx.83.253 (Unknown)
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Jun 25, 2012
I have a couple of Switches Blade 3120, working as active-standby model (HSRP) on a new site deployment. There are other 20 sites more or less, working on the same model, without issues. But in this one, we are seeing a high cpu usage. The traffic going through the platform is 600Mbps (on peaks), and in this case we have 40% of CPU usage. Traffic should be close to 3 Gbps. When we tried to send the whole traffic through the platform, active switch began to drop packets on the majority of interfaces.
When we analyze the CPU usage, there is a special process called "HL3U bkgrd proce" always have the most CPU use, but we do not know what concerns. We do not know if it is caused because there are PBRs configured. It should not matter. How I mentioned, there are other sites working fine and have had always the same PBR number.
What is causing the high usage?. Is there a special debug we could to perform to diagnose the issue?. Also, we have seen a high interrupt CPU usage (9% in this case).
bog-sib-INT-rtr-1#show processes cpu sorted 5sec
CPU utilization for five seconds: 30%/9%; one minute: 25%; five minutes: 23%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
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Mar 13, 2012
On one of our N7K, we have some packets dropped by the COPP policy in the class-default class-map. Partial results of "show policy-map interface control-plane" not so long after clearing the counters : [code]
what traffic is dropped by the policy ? Is there any logging possible ?
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Aug 2, 2011
I have a strange error on my home network that I cannot find a solution to.I have an Huawei SmartAX MT882 from TalkTalk acting as a modem connected to a D-Link DSL-G624T acting as a router/switch. Connected to the D-Link I have a Windows 7 Pro machine (64-bit, SP1) and an XP (home i think) machine (sp 2 i think).The SmartAX modem is set up to perform DHCP and DNS relaying and the D-Link has DHCP turned off and DNS relay turned off.The Win7 machine can access the network, get an IP address and access the internet without problems, regardless as to the status of the XP machine.The XP machine can access the network, get an IP address and access the internet with no problems ONLY of the win7 is powered up. When the win7 machine is off, the XP machine seems to drop about 25% of the ping packets between it and the D-Link router and has no internet access (because of this i assume). [code]
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Apr 30, 2011
I have the following equipment:
Cisco 871W router
2x WAP 4410N APs running 2.0.3.3
I currently have 1 AP connected to the router via copper. The AP to AP link is over 802.11. I have attached a diagram reflecting the current topology.
The AP-to-AP link will come up utilizing B/G/N mixed mode; however, the connection is basically unusable. About 30% of the traffic is dropped, while the packets that do make it have a consistently volatile latency, anywhere from 15 to 1500 ms. I have had success using G-only and B/G mixed. The link is stable (I have had the best results with B/G). The problem is, I didn't buy the 2nd 4410N to run the G protocol. I would like to connect the APs running either B/G/N (hopefully negotiating to N) or N only. I am wondering if there is a certain configuration I can utilize (perhaps using WDS repeater or bridge versus Wireless Client/Repeater?), or a firmware upgrade set for release that can make this happen for me.
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Apr 29, 2012
I bought a new system case, installed everything from the old case added 2 additional fans and now my wireless network speed dropped from 150 to 54 aand I have no clue why. New case has a bottom mounted PSU and old had a top mount so netcard sets about 4" higher then it used to but other then that nothing has changed. Also when I brouse thru things I noticed this "LocalSystemNetworkRestricted" allot of places and do not remember seeing this before, I have used a different system to check out my router and it is same as always.
[code]...
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Apr 14, 2013
We have deployed a WLC 5508 w/ SW version 6.0.199.4, 1142 AP's & open authentication w/ MAC filtering. Clients are randomly getting dropped with "Limited Access" shown in Win 7. In this state, the client machine is unable to ping the gateway and sometimes lose their DHCP assigned IP as well. A manual disconnect/re-connect to the SSID is required everytime.I ran a debug on one the clients stuck in the "Limited Access" state (debug client xx:xx:xx:xx):
*Apr 15 16:59:23.205: e0:91:53:60:1f:e4 Adding mobile on LWAPP AP 3c:ce:73:c5:1e:b0(0)
*Apr 15 16:59:23.205: e0:91:53:60:1f:e4 Scheduling deletion of Mobile Station: (callerId: 23) in 5 seconds
*Apr 15 16:59:23.205: e0:91:53:60:1f:e4 apfProcessProbeReq (apf_80211.c:4722) Changing state for mobile e0:91:53:60:1f:e4 on AP 3c:ce:73:c5:1e:b0 from Idle to Probe
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Jun 2, 2013
I am using two AIR-CT2504-K9 controllers
Product Version.................................. 7.4.100.0
Bootloader Version............................... 1.0.16
Field Recovery Image Version..................... 1.0.0
Firmware Version................................. PIC 16.0
and 20 access points AIR-CAP2602I-E-K9 Cisco IOS Software, C2600 Software Version 15.2(2)JA, RELEASE SOFTWARE (fc1) LWAPP image version 7.4.100.0
I created 3 SSID:
1. [WPA2][Auth(PSK)]
2. Web-Passthrough
3. [WPA2][Auth(PSK)]
Configuration on controllers is identical. High Availability is configured on all APs. First controller controls only those APs witch have SSIDs with [WPA2][Auth(PSK)], second controller is basically for APs with Web-Passthrough SSID. From the start I have problem, some clients who try to connect to SSID with PSK are dropped or can’t connect entirely, but when they go to the next AP they connect successfully. For example I have Android smartphone and Lenovo laptop, smartphone connects successfully but laptop fails connection to the same AP, but when I take it to other AP it connects successfully. Sometimes smartphones can’t connect too. When devise can’t connect to one SSID it can’t connect to other SSID either. Sometimes there are up to 20 clients tying to connect to the same AP.
When I look into logs, I get these two messages:
Jun 3 08:58:58 192.168.224.1 WLC1: *dot1xMsgTask: Jun 03 08:58:51.176: #DOT1X-4-MAX_EAPOL_KEY_RETRANS: 1x_ptsm.c:456 Max EAPOL-key M1 retransmissions exceeded for client 7c:e9:d3:f4:74:4d
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Jun 25, 2012
recently we have deployed a Two APs in branch office warehouse and I have one wifi phone 7925 used over there. the problem is every time when phone roaming from one AP to another, 2 or 3 packets dropped, following is result of the 'debug client ':
--More or (q)uit current module or <ctrl-z> to abort*apfMsConnTask_7: Jun 27 09:52:25.496: 88:43:e1:4f:ab:39 Association received from mobile on AP a0:cf:5b:c3:a8:90*apfMsConnTask_7: Jun 27 09:52:25.497: 88:43:e1:4f:ab:39 10.107.38.121 RUN (20) Changing ACL 'none' (ACL ID 255) ===> 'none' (ACL ID 255) --- (caller apf_policy.c:1621)*apfMsConnTask_7: Jun 27 09:52:25.497: 88:43:e1:4f:ab:39 Applying site-specific IPv6 override for station 88:43:e1:4f:ab:39 - vapId 14, site 'AKL-AP-GP', interface 'management'*apfMsConnTask_7: Jun 27 09:52:25.497: 88:43:e1:4f:ab:39 Applying IPv6 Interface Policy for station 88:43:e1:4f:ab:39 - vlan 38, interface id 0, interface 'management'*apfMsConnTask_7: Jun 27 09:52:25.497: 88:43:e1:4f:ab:39
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Mar 21, 2012
My computer is one that I built with windows vista, and for the wireless connection I am using a USB adaptor. I am not too sure what other info I need to put here.My connection used to drop frequently (around every 5 min) and I would have really slow speeds (10ish kb/s). Recently, for some unknown reason, the dropping has stopped, but now I am getting speeds of around 9-15 kb/s.
The thing that has me COMPLETELY stumped is when I plug my laptop into the router, the wireless speed on my PC speeds up to, according to speedtest.net, 5.8 Mbps. If I unplug the laptop from the router,the speed on my PC slows down to .25 Mbps, yes - POINT .25 Mbps.I have attached the tester .
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Jun 13, 2008
I have a WRT110 router (firmware v. 1.0.04) and a PC and an XBox 360 connected to it (both via cable). Every 15-20 minutes the connection is dropped for appr. 1-2 minutes. I tried modifying several router settings, but the connections are still being dropped
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Aug 16, 2011
I recently purchased an Aztech wireless-n repeater #WL556E to increase my signal strength on my patio. I followed the instructions step by step and it works for about an hour and then stops. This is on my Apple iPad first generation. If I restart my iPad it works for an hour or so and quits. I have the repeater about 7 feet up on a shelf.my wife has the identical iPad as mine and hers works fine on the repeater.
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Mar 13, 2011
I have a WRT400N and approximately every 30-45 minutes the router will drop all connections (wired and wireless), all the lights will go out and then power light (far right light) will flash for a minute or so. I have tried connecting directly to my modem and I have no problems at all.
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Jul 4, 2011
I've had this WRT300N for several years and it has worked very well.It suddenly dropped all wireless connections and no one can re-connect. My main pc is hard wired directly to the router and works perfectly as always. 3 wireless pc's and 3 handheld devices suddenly can't connect. I've powered down my modem and router for several minutes, but nothing changed. The firmware was upgraded a long time ago and there are no other upgrades available.
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May 25, 2012
Bought an E4200 to replace my Netwgear router and am experiencing the following problem.One of my wireless boxes serves as mu mail server. I've been running this configuration for years so the only thing that has changed is the router.The neworkd is up and all wireless clients can connect, but after some time, access to the mail server just 'freezes'. I say freezes as the nework icon (i'm using ubuntu' still show a connection. In addtion, there are not error in any of the logs. I just seems that the mail server and the router just stopped communication.
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Feb 18, 2012
I recently purchased a linksys E2500 for my home network. Occassionally, we have dropped connections, on both G and N cards.The router is connected to a corei3-2100 cpu with 6 gb ram and a 1tb hd, running win7 64bit. Ive bought home plugs for my wife's computer(in the house)and.an outdoor wireless antenna (a CCRANE super usb wifi antenna) for my computer in the garage. I still get dropped signals in the garage, which is only about 50 ft from the router. My computer in the garage is an AMD dualcore 4400 with 4 gb ram, and multiple hdds.What else can I do to get a better and more constant connection.
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Jun 28, 2013
I'm trying to configure a L3 switch with some vlans. Despite we add a "ip default-gateway", that is displayed on the "show run", when we look "show ip route" there is no default gateway or gateway of last resource.On the show running we see the following:
interface vlan 31
ip address 10.221.31.177.255.255.255.0
!
interface vlan 32
ip address 10.221.36.125 255.255.255.240
interface vlan 36
ip address 10.221.36.105 255.255.255.248
ip default-gateway 10.221.36.105
One server connected to the vlan 32 is not able to ping the switch svi on vlan 36 (10.221.36.105).When we look the "show ip route" we see that the default gateway is not set.Ip routing is enabled on the switch. I tested the same configuration on my simultator and it works fine.I'm attaching the "show running", "show version", "show protocols" and "show ip routing".The ip routing is enabled on the switch!
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Jan 3, 2012
I just installed a E4200, and found that once I connected my Homeplug Powerline to E4200, the connected (wired / wireless) computer (with E4200) connection will be dropped. The connection become normal again once I disconnected the Homeplug with E4200.
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Oct 28, 2012
I have a Dell Latitude E6510 with a DW1520 Wireless-N WLAN half-mini card. I used to have a D-Link router which broke down so I purchased a new router which is a Linksys E2500. I changed the configuration on my laptop to use WPA instead of WEP. My router is configured with fixed channels (not auto). My internet connection is continuously being dropped and I have to re-logon to everything (very annoying with vpn tunnels). All my other desktops/laptops in the house work without problems.
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Dec 23, 2011
I've been fighting with my E2500 since I got it back in June with lag, dropped connections, etc. It's a bit intermittent but can hang around for hours at a time when it kicks in. Restarts but the issue always comes back. Most noticeable while gaming online or on a VOIP program such as Team Speak. Generally when it happens If I'm monitoring my Team Speak connection the incoming packet loss shoots up between 20-30%, starting to drop out every other word or so. No out going packet loss. The connection drops are random between computers (I have one mac and one pc in the house) where one will be fine and the other wont, or when the whole system will stay connected and drop all transfer. In the case of this last one it's not my ISP's connection as any streaming happening between one computer and an Apple TV device will also cease. I've also swapped back to my old router (an older model linksys) and all problems have stopped. Fully rebooted and reconfigured the router about 3 or 4 times and am on the latest version of firmware (1.0.003). It was much worse on 1.0.002 but still very noticeable on 003. Also no difference with a different wireless adapter. I've tried the chat technical support but all they did was take 45 minutes to tell me how to reboot my router after telling them I already had.
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Nov 6, 2012
Region : UnitedStates
Model : TL-WDR4300
Hardware Version : V1
Firmware Version : wdr4300v1_en_3_13_23
ISP : comcast cable
This router worked fine until I updated the firmware downloaded from the TP-Link site. I have V1 hardware which is what the firmware was created for. Since the update the wifi continually kicks outs quite often rendering this router useless.
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Dec 8, 2012
I've had this router for about 3 weeks. It's only 20 feet from the computer, but my computer on 2 or 3 separate days had trouble staying connected. The signal dropped to 5 Mbps and had a little yellow symbol that said no internet access and when I looked at the properties it said, "limited or no connectivity." I got impatient and purchased a 75 ft Ethernet cable online with plans to possibly return the router as I don't really need wireless anyways and since I spent $100 on this router I expect it to work at 20 ft distance.
For the last few days it has remained at 54 Mbps or more sometimes all the way up to 108 mbps. But now since it got pretty low a few times I don't trust it enough so I might return it anyways.IPv6 connectivity says no network access. This might be because when it asked for administrator password to recognize it as a trusted home network I closed it instead of putting in the password.
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Jul 1, 2011
I got several issues with the E4200.First of all, my connection speed dropped from 2megs/sec to 100k/sec with that router. Flashing it with the lastest firmware worked but still, I don't get all my speed as I has with my WPG54GS (with DD-WRT).Second, speed is really unstable, like if it was working by burst of data.Third, I got a gigabit port on my computer, plugged in the router and still, I can't make more than 10megs/sec WIRED (!) between my computers. I desactivate the ipv6 from my network card but still, no luck.
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Aug 16, 2012
I've recently subscribed to a 100Mbps fibre broadband service with the bundled Huawei EchoLife HG8240 ONT modem and speed-tested it with an achievable speed of almost 100Mbps (uplink and downlink) on my desktop PC.However, when I connect my new Cisco Linksys E1200 Wireless-N Router to it, I noticed the speed dropped by almost half (about 50Mbps both ways) when I conduct a similar speedtest .
note that I'm using wired cable and there's only 1 single PC connected to it and it is not shared. This includes upgrading the firmware to the latest version, disabling the IPV6 setting and configuring QOS.My current hardware/ firmware version is as follows:
H/w ver : 2
F/w ver : 2.0.03
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Jan 27, 2012
Just got an E2500 and installed it with no problems and it was working correctly for 1-2 days. This evening the signal strength of my SSID dropped to LOW and a new SSID now shows up with full signal strength. It s not an SSID from any of my neighbors and from checking several forums it appears this is known problem.
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Sep 28, 2012
I've bought a "WAG160N v1.0 Annex A" almost 2 years ago. I never used it's wireless feature untill we moved our house. Now it's like 4 month I'm using its wifi feature and I've got to admit I'm really frustrated by its functionality!
For months the modem just dropped wireless connection constantly in various time periods. Somtimes it went like 2 days without any problem but some other times I had to change channel every 15 minutes for it to get back working. And yes it didn't get fix until I changed the channel, otherwise clients had to wait several hours for a 50/50 chance of reconnection. Now It's two days the changing channel trick no longer works. I tried all channels and even put my notebook next to the modem but no luck. The notebook sometimes connnects to the access point but disconnects after a few seconds. Somtimes it doesnt even detect the SSID of my WAG160N modem. Some friends suggested that the wireless hardware of my modem is broken and no longer works but I'm eager to know if it is broken why is it still broadcasting and sending signal.
I've tried everything from upgrading and downgrading firmware to turning on and off the modem several times and changes modem position. And even tried the G-only 20MHz mode.We are at a very crowdy place. Using inSSIDer I could pick about 15 other access points. Only few of them are using Wireless-N, most of them are using Wireless-G.This is the inSSIDer diagram of my WAG160N modem from a client: [code]
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Jul 5, 2011
Win7, wrt54gs,
It works sometimes. I imagine it has a noise problem since sharing files works, internet works. I cannot remember how to change channels on this router to save my life, though. What is special about sharing a printer?
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