Cisco Switching/Routing :: E4200 Not Giving Android Devices Connection
Jan 3, 2012
I just upgraded to the e4200 v2 and I seem to be having connection issues with my android phone and tablet. Both are 802.11n compatable but they seem to have issues staying connected. Just so everyone is up to speed, there are two connections made by android, a general one to the internet, and a second one to the google servers (for syncing e-mail and contacts and the like) When just connected to the internet, the wireless icons are gray, when connected to the google servers as well, the icons turn blue. It's the drop in connection to the google servers that I'm having an issue with. I currently have the router set in full auto for channel and frequency band, but I've also tried setting specific ones thinking maybe the change in channel or something was causing the disconnect. The disconnect will even happen when I'm sitting right next to the router. The phone is a Samsung Galaxy Nexus (Verizon LTE) running Android 4.0.3 and a Asus Transformer tablet (Wifi only) running android 3.2.1.
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Aug 28, 2012
I have 2 datacenters running same equipement (two Nexu 5596 with FEX).I just took a look at the log just to see if everything is ok and I saw that I have the same error message (a lot of times) at both location :
%SYSMGR-FEX100-5-HEARTBEAT_LOSS: Service "satctrl" heartbeat loss 2 ,max 7,I though it was a problem with my peerklink-keepalive connection but I see the word FEX ....so i'm not sure...
Note that at both locations, my Nexus are connected back to back through the management port using transceivers. So it's a copper cable from the first nexus, going into a transceiver, going to another transceiver in fiber and then back to copper to the other nexus.
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Apr 20, 2013
Updated firmware was installed and settings were reviewed. Intermittently the E1500 looses its ability to connect only to our Android devices and "Cisco Connect" displays that it has lost Internet connectivity. The PC hard-wired to the E1500 and another PC connected wirelessly both work fine when this happens, despite the Cisco Connect message. The Android devices show the presence of the network, but they never "connect" - find the IP address. The problem can only be resolved by re-booting (powering off/on) the E1500. The loss of connectivity to our two Android devices and the Cisco Connect error display always are concurrent. E1500 looses connection to Android devices
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Jan 26, 2012
E4200 not letting my known wireless devices connect when SSID Broadcast is turned off.
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Sep 27, 2012
I'm a bit lost with licensing.I have an ASA 5510 and I would like to be able to use mobile devices (iOS/Android) with anyconnect. [code]
my cisco contact said me : "you need only ASA-AC-M-5510"
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Jan 15, 2013
I have this message "DHCP Timeout"on few cisco IP Phones .try to assign IP manually and it's working fine.. seems DHCP not giving IP's to those.. 6500 have configured as DHCP pool.
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Feb 19, 2013
looking for an info if Samsung SGH-1747M device running Android version 4.1.1 supported on Cisco WLC 7.4.100.0 Basically the Samsung device cannot join our test wifi (ipads and ihones are OK).
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May 27, 2013
Recently, I have configured a small Wireless Network with Cisco 2500 WLC (25 AP License) running version 7.3.101.0 ,Total 15 APs were installed and associated with the Controller successfully.I have configured WLAN with WPA2-PSK.
I came across a strage issue, where all Android devices can't access Internet via Wireless.When I checked the Controller log, the Android devices (Phones, Tablets) are successfully authenticated and associated to the Wireless Network (They got the IP Address from the DHCP Server configured on the Switch) but they can't access internet.
There is no issue with Apple devices (IPhones, IPADs) and Wireless Laptops. Even the Apple devices and laptops getting IP Assigned from the Same DHCP pool configured on the Switch.
Any issue connecting just Android devices? All other devices connect fine.
Is there any limitation/configuration on the WLC which restricts the Internet Access only to the Android devices?
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Aug 25, 2012
My wifi router is linksys WRT300N v1.1 At first my wifi works great with this devices . iphone 4s , ipod touch 4 , hp pavilion dv6 , dell inspirion 1545 . But it don't works with android devices I had a bunch of them samsung galaxy s3 , galaxy nexus , amazon kindle and more ...The android devices connect to wifi but wifi doesn't work for them in browsers I can't open pages there's appears <webpage not available> , but I can use skype on android devices.
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Aug 15, 2011
I have installed my new E4200 and it works beautifully. I have several wirelss adapters and a few wired connections through powerline adapters. I also have a second VPN router attached to the 4200.I can see the wireless connected devices with the associated IP addresses. If I plug a laptop directly into the Cisco, I can of course see it.However, I can see none of the devices attatched to the powerline devices? I have a securty cam connected via the powerline and want to know the IP address. I checked with cisco technical support via chat and they said it is impossible. I have used 2 previous routers with the same configuration and can see all devices.
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Apr 4, 2011
We're seeing "OutDiscard" error on a LAN switch connected to newly migrated Cisco IP phones. All the other error counters are clean except for the OutDiscard. (please see attached "show int count err" output.) [URL].
According to the link above, the common cause of such discards can be to free up buffer space.(Am I seeing a switch buffer issue?) How to identify/resolve the cause of the OutDiscard.The switch is 3750-E running c3750e-universalk9-mz.122-44.SE6.bin
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Sep 26, 2011
I have an issue with a 3560 in my network, after sometimes it fails to give out power to some ip phones,while others are not affected and below is the message i get
"Power given, but Power Controller does not report Power Good"
output of sh power inline and sh env all : everything seems to be ok on the switch
#sh power inline
Available:450.0(w) Used:48.0(w) Remaining:402.0(w)
Interface Admin Oper Power Device Class Max
(Watts)
--------- ------ ---------- ------- ------------------- ----- ----
Gi0/1 auto off 0.0 n/a n/a 15.4
Gi0/2 auto off 0.0 n/a n/a 15.4
Gi0/3 auto off 0.0 n/a n/a 15.4
[code].....
It's solved by a reboot of the switch, i could have suspected a power environnment issue but it's the only equipement disturbing in the network.
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Oct 15, 2012
I've got a problem with DHCP running on a cisco 1900 series router, 1921 to be precise. The Data VLAN works perfectly, i configured a ip helper address and its working. Problem tough is VLAN 20. This is the voice vlan. As u can see in the config below, this has been configured using VRRP and VRF for failover purposes. I did more of these configurations, and they all worked fine, just not with this particular router!
As u will notice i deleted all the not needed to know information or i X'ed it!
Jan-Aart
version 15.1
service timestamps debug datetime msec
[Code]......
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Aug 7, 2011
Setup my DCS-930L for DDNS (Dynamic Domain Name Server) so I can access the DCS-930L via the Internet (couldn't access the camera half the the time while on vacation using mydlink) and can now access the camera using my laptop, Android Thrive, and Motorola Droid 3 via the URL I've created but can only see the video when using the laptop.
I have the DCS-930L set to Java but when I log into the camera with the Thrive or Droid 3 (both Android devices) I don't get video. I can make changes to the camera settings and everything else you can do when logged into the camera but just can't see the video. If I change the 'View Mode' in the video setup to 'Image', I will get a picture on all three devices (Thrive, Droid 3, and laptop).
What do I need on the Droid 3 & Thrive so I can see the video when I log into the DCS-930L with an Android device?
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Apr 7, 2012
After a power problem at our data centre we find Module 11 of our Cisco 6513 Core Switch in PWR Down state.Show Module 11 returns: Status: PWRDownShow Power Status Module 11 returns: OperStatus Off (Module Reset due to an exception or user request).The command:
Power enable Module 11 was issued and returned the following: %PM_SCP-SP-1-LCP_FW_ERR: System resetting module 11 to recover from error: Linecard received system exception. Errcode = 2509000001.%OIR-SP-3-PWRCYCLE: Card in module 11 is being powercycled Öff (Module reset due to exception or user request%C6KPWR-SP-4-DISABLED: Power to module in slot 11 set off (Module Reset due to exception or user request),We have restarted the switch twice. The module is currently not passing traffic causing downtime to services.
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Jan 30, 2011
I have a 3911 router with a 1242 AP. The problem that I have is that when the user is trying to connect, the user get the OS Ip address 169.254.168.154 and I see that when I do the "show dot11 association" command, but when I do sh ip dhcp binding on the router I see
172.19.9.141 0100.18de.74db.14 Jan 31 2011 11:14 AM Automatic
The router is seeing as if the router gave the ip address to the user, but the reality the user was assigne the OS ip address 169. I did "debug ip dhcp server events" and I got the following:
Jan 31 11:09:06.752 EST: DHCPD: Seeing if there is an internally specified pool class:Jan 31 11:09:06.756 EST: DHCPD: htype 1 chaddr 0100.18de.74db.14
Jan 31 11:09:06.756 EST: DHCPD: remote id 020a00000a58218400000000Jan 31
[Code].....
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Jul 3, 2011
Just got the E4200 and it seemed great at first. Connected at 450mbps at close range (maybe 6ft away) and got 223mbps transfer.It seems that recently my signal is much weaker. I'm around 6-8ft away from the router and I'm getting between 270-360mbps, which to me is poor given the short range.InSSIDer says the RSSI is -50, while my other wireless N router (dual band) is -35 and is in the exact same location. I'm using the 5ghz radio only, and it is set to N, and I'm using channels 44 and 48. I checked the hidden advanced wireless page and transmit power is already set to high.My laptop has an Intel 6300 wireless card.I'm using the current firmware 1.0.02,I've noticed that the speed of the router randomly seems to drop off too (just as I type this, the link rate has gone back up to 450mbps... typical). Is the router throttling when it gets hot or something? So I just want to find out if others are experiencing similar rates at the same kind of distance. Seriously, how can you advertise something as 450mbps when you can't even get that link rate at a distance as short as 6ft?I can't see any thing I can do to increase the link speed (back down to 270mbps now), short of a firmware update to increase the power and use higher channels. I hear the higher channels are much better, so who do I have to write to, to plead for new firmware?,This is a great product, but it's totally ruined by stupid internal antennas and a weak transmit power.
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Aug 19, 2011
I have an issue with a brand new E4200 router. My E4200 can connect no issue with the following devices: Ipad, AppleTV, Dell Laptop, Ibm Laptop. It is also wired connected to my home PC. Internet works fine and file sharing/network works good for all the above devices.
The problem is that My wife and I's Phone can not detect the wifi network and can not connect to it. The SSID broadcast is enabled on both frequencies (2.4 and 5). I have try configuring the network manually on both the Android phones..it does not work.. it records the data but keep sayng the network is out of range (although I'm right next to the router). I hva eplayed with various channels on both frequecies and played also with the MTU size.One of the Android phone is Garmin the other Acer Liquid...different brand running both Android 2.2...
Firmware on E4200 is 1.0.02
All settings reset to Auto/MIxed for now.
WPA2 is enable with security key
SSID is enabled on both frequency
no MAC address filtering is setup
Both my phones can detect other networks and can connect fine to friends and family networks...So I suspect a compatibility problem between router an Android..I have contacted Linksys support twice with no avail. I have contacted both Acer and Garmin...they refer me to linksys
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Jun 4, 2012
Recently purchased the EA3500 router. Everything seems to work great except for Facebook on mobile devices with Android OS using both apps and browser. I can access FB using a laptop's browser.
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Jul 24, 2011
I had been working on our client servers through Cisco VPN using internet datacard. But from past 3 weeks after logging into Cisco VPN using my username/password, when I try to connect to any of the servers, it is giving connection timed out error.
Whereas, my team members across other locations are able to connect to the servers using my VPN username/password.
I thought there might be some issue with my laptop or internet datacard. I got my laptop formatted, even tried out with fresh new laptops & new internet datacards, but the issue remains same.
I have tried using vpn_5.0.06.0160-k9 & vpnclient-5.0.05.0290-k9 to connect but issue did not get resolved.
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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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Apr 22, 2013
I am currently on Time Warner Cable 10 mbps packge, and am using their wireless DOCIS3 modem/router. It is connected in my bedroom to the main computer. That computer stays connected. However, throughout the rest of the house (we have a two story townhome) it will drop completely or give limited connection...constantly. Sometimes I can have my laptop next to me and it will go out or give limited connection. The connection speed never drops, it just goes completely to no connection. Not for sure what is going on, if its on my end or time warner. Has been doing this for quite some time, the cable company comes out and changes the modem, but that's it, couple days later, goes back to doing it again.
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Feb 5, 2012
im recieving ip conflict adress error i have an dsl modem and its my individual i ave not share a connection with anyone.and whenever i recieved this error my net works zero
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Jan 14, 2012
I have recently bought a new XPS 15Z Currently when I surf the internet I am unable to use the browsers ( IE9 or firefox ). I am able to use non-broswer related internet applications like STEAM, MSN or QQ with no issues in terms of speed or stability. But when I use my browsers to surf, I can have periodic moments when I cannot surf the internet, such as IE9 which says that I cannot connect to the internet due to some unknown error. But when I run diagnostics, it says that I do not have any errors. My adapter for my wired is the Atheros AR8151 PCI-E Gigabit Ethernet Controller (NDIS 6.20). I have already contacted my ISP provider who have worked for with all the troubleshooting methods they can over the phone, and I trust that they are doing their best. But now it seems to me that the problem lies in my computer hardware or software and not in my router.
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Jun 13, 2012
I have a Cisco ASA 5510 (with an AnyConnect Mobile License enabled) I used to be able to connect to the VPN using the AnyConnect app for Android form the Google App store (the phone is a Samsung Galaxy S II LTE, if that matters). Like I said everything used to work fine until a few weeks ago, the only change I made to the router was giving it a different external IP address (I changed ISP), I'm pretty sure it worked after that. But now when I try to connect with my Android I get this error: "Clientless (browser) SSL VPN access is not allowed".
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Oct 10, 2011
I 've got some problem with my Mail Server since I've migrated to an ASA5510.Actually the server is in a DMZ with a private Ip ( 10.x.x.2) and it is translated to a Public IP ( 194.x.x.65).Some Users received in there mailbox a system administor error message :Object : Impossible to deliver : testYour message could not be deliver to one or more of its recipients: 421 SMTP connection went away!When they try to re sent it some times later, message is sent whithout problem.
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Mar 20, 2012
My Android Tablet ASUS TF101 fails to wireless connect at the next reboot after it has been sleeping.Unplugging the DIR615 and replugging solves the problem until next time. The Tablet shows a poor signal until the router reboots (even at 4 feet away). The router firmware is 3.11NA and the hardware is C1.Other hardware like an ACER WIN-7 PC can still wireless connect when this problem is exhibited.
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Jul 4, 2012
I got 10 Catalysts 3750 (all of them identical) and I got the IOS Update. Anyway I only have service contract for 4 of them.
Am I allowed to update all of them? Or only the four devices which have the service contract?
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Dec 9, 2011
i'm currently deploying LMS 4.2.3 Demo version and i'm unable to discover my ASA 5510.how to discover my ASA to mange it in my Cisco Works 4.2.3.
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Apr 11, 2012
My question is if I do not want to purchase any additional switches can I connect the devices to the 6509 and put them in their own separate vlans?I am a little fuzzy about the physical connections needed to make this design work as it is.
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Mar 5, 2012
I have several cabinets with top-of-rack N2K's attached to N5K's via FEX's. 9 cabinets with 2 switches each.
Recently I added 3 more cabinets to the mix, for a total of 12 cabinets with 2 switches each.
I can get into the new switches and see the FEX's and configure ports, etc. but no device I attach to the 'new' N2K's is pingable over the network. I can take the same device, same cable, and attach it to a legacy N2K talking to the same N5K's, and it immediately joins and is pingable over the network
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May 24, 2011
I recently purchased a android tablet and want to access my wireless connection through my network. When the tablet recognizes my network but when I enter my router password it wont accept it. I have reset the router back to default and reset a new password and it still will not accept it.
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Mar 28, 2012
I had bought dlink's dir615 router, plug it to my broadband connection to have Wi-Fi access. My android phone which is HTC Sensation and my sister's phone Samsung Galaxy Mini can detect the wifi and connect/browse to the internet. However when we try to watch online videos (via youtube or other sites) and update/download apps from the google play store its just fails. Is there configurations needed to for my router for the downloads to work?
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