Cisco VPN :: Linksys E2500 Router - IP Conflict
Jun 26, 2012
I recently changed my home configuration. I have AT&T DSL and I replaced my 2WIRE gateway with an AT&T provided Motorola Modem and a Linksys E2500 router on Sunday. For the last few days, all has been good. Last night and this morning, one of the computers in the house began getting IP conflict messages. The computer is provided by my company and uses the Cisco VPN client. I am not sure if it is conflicting because of the VPN (only seems to happen when it's connected) or with one of the other devices on the network (i have four other computers, a game system, and a few phones on the network).
Is there a way to prevent a conflict from happening again? My work requires me to have a constant connection for days at a time and these IP conflicts are causing constant headaches. Would creating a static IP address on the work computer outside of the DHCP range clear this up?
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Jan 24, 2013
I get a "IP address conflict" message on my wireless network. Using a WRVS4400n wireless router with the latest firmware that is set to PPoE. Motorola 336 dsl modem is set to bridge mode. My network has 2 computers attached: hardwire desktop and wireless connection to laptop. When I contacted ATT support, they said the problem is in the wireless modem. Are there some settings in the WRVS4400n that must be set to insure that each computer gets a different IP address?
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Feb 11, 2013
I have just got viasat internet from England to replace the local internet here in Spain. I believe that My router was programmed to the old internet and wont recognize my new modem. I have tried live chat and got guided thru a few things and established an IP conflict, but lost contact before we found a solution.
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Apr 27, 2013
I recently purchased and installed seven WAP300N access points in a school, but they are now having intermittent problems with network access, as of right now their network is completely unusable. Specifically there appears to be a conflict between these access points and the gateway/router which provides their network clients with addresses via DHCP; BUT in the three years I have been assisting them the DHCP server on their Cisco router has never before given any problems!
All WAP300N units are wired to the network acting as standard access points and setup to pickup their address automatically via DHCP. When the problem first arose I changed to offending unit to use a static IP address to avoid what I presumed was an address conflict; however the same problem now appears to be happening with the other units as well!
My understanding is that these WAP300N units do not have any in-built DHCP server capability, is this correct ?If not, how I can disable this feature.Otherwise, it would seem to me that the units must be incorrectly using the default gateway address which they are getting from the DHCP server as thier own IP address. Unfortunately assigning static IPs to each access point is not possible as these are controlled by another group and the existing allocation is now used up.
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Sep 5, 2011
I'm currently setting the MAC address filtering for my Linksys E2500 router. I have about 20 devices which i'm allowing to access my router, so i keyed in the MAC addresses into the config page and save setting. But only 16 addresses are registered, the rest refused to register no matter how many times i key in, it just reset back to 00:00:00:00:00:00 after i click on save setting.
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Oct 4, 2012
I previously entered in settings for the "Static DNS" 1 through 3 (using ip addresses from OpenDNS and one from Google DNS).
I want to remove these so the router reverts to using the DNS allocated to it by the ADSL modem (which will likely be the IP of the modem, which then forwards the requests to the DNS from the ISP).But I can't clear the Static DNS settings. I have to put in 0.0.0.0 but the last zero is not accessed. I get the error: The value is out of range [1 - 254].So I end up with 0.0.0.1 and then all Internet access is lost on the computers because they are being given a bad DNS IP.
How can I reset the static DNS ip address back to 0.0.0.0 ?
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Jul 7, 2011
I bought I router today, Linksys E2500 and set it up, for some reason its connected with full strength but the internet does not work on my computer, or any other device connected to the network I established on the router. I've looked through so many articles and posts on here, I've fixed the winsock, I tried the netsh winsock and the netsh int ip reset reset.log, but when I put in netsh int ip reset reset.log in the command prompt, nothing happens after I press enter. I've updated through microsoft updates, and updated some drivers from the hp website. Ive repaired, and tried restarting the router, and even the modem and nothing changed. It's still connected, but the interenet still is not working. The modem is fine, as when I disable the wireless connection, the internet works. Yes, I have Sp3 installed.I am using windows xp and the computer is called HP Pavilion a1013w Desktop PC. [code]
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Feb 28, 2013
I am trying to connect to a new VPN using my E2500 router. As soon as I connect, the connection breaks.
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Sep 3, 2012
i buy a new e2500 from staples. but when i try to register the product. it shows me "Serial Number you entered is invalid.". i am sure i choose the right product and number to register.. so is that mean some one used it..
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Dec 18, 2012
I want to add my E2500 as a second wireless router to cover my entire house.I have a Motorola Surfboard SBG6580 cable modem (Time-Warner) at one end of the house.I added via powerline Ethernet connection a new E2500 wireless router at the other end of the house.The E2500 set-up with all defaults and has the same SSID and Password as the Surfboard cable modem.It seems to work OK, but I wonder about network confusion/interference.Do I have to configure the E2500 in some manner to allow seamless roaming of my wireless devices (iPad, Cell Phones, Netbook)?I had an RE1000 with just the Surfboard, but it did not quite do the trick, and does not like both routers connected at either end.
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Nov 23, 2011
How To Reset E2500 Router
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Jan 23, 2012
I am trying to setup a WAP with my linksys 2500. I am currently using a Gateway connected to my DSL and am looking to set up the access point through the E2500.
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Nov 18, 2011
So, i have a e2500 router and find that every so often, I have to unplug it and reset it because I am losing my internet connection.
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Dec 22, 2012
How to set router to use as Slind Box Pro?
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Jan 4, 2012
I currently have my E2500 connected via wired LAN (not WAN) port on another router. The E2500 has an LAN IP of 10.0.0.2 and the router has 10.0.0.1 and a dhcp range outside of these. DHCP is disabled on the E2500. I can use my E2500 as a wired access point with no difficulty I plug something in and it calls the router and gets an address, but I can not get DHCP through the wireless of the E2500.
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Aug 7, 2011
I have Time Warner as my internet company. I recently purchased a new Linksys Router Mode E2500 because I have been having issues with my old router. My internet was disconnecting sporadically. After connecting the new router, a started getting the same issue. I replaced my internet cable modem to a Cisco 2100 modem (provided by Time Warner). I noticed that the issue keeps happening sporadically which makes me believe it is my Linksys router. Every time a new wireless connection is connected, my modem circuit dies. This happens sporadically.
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Dec 27, 2011
I have bought and installed an E2500 router 4 days ago. Installation of router and network using Cisco Connect was easy and without problems. However, after 4 days of usage, not changing anything in the network nor running Cisco Connect or accessing the web interface, I tried to start Cisco Connect and got the message "Cannot access your router".Internet is running, router is accessible via 192.168.1.1 in a browser window, Cisco Connect also works fine on my laptop.The only solution I found on this forum is: reset your router and reinstall Cisco Connect.and then every 4 days resetting my router and reinstalling the software?
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Apr 20, 2013
My network consists of a Westel C90-610030-06 DSL modem, Cisco E2500 router and Hawking HWREN100 range extender.My wife has trouble with her IPad connecting to the Hawking.Apple says I need to Disable WMM on the E2500.
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Jun 26, 2012
I am working with vpn setups for the first time. I would like to be able to connect to a computer on a home network through a linksys E2500 router. I have found alot of documentation on connecting to an external vpn from a computer on the lan side of the router, but nothing on connecting from the outside in. The router does have a static ip address with my internet provider, so I can contact the router from the outside. But makeing the connection to the computer on the other side of the router is where I am missing something or I dont realize that it is not possible. On the LAN side I am using DHCP to assign the address to the computer I want to connect to. Perhaps I need to make it have a static address also? I realize that when I configure the connection from the outside that I need to direct the connection to the remote computer in some way, unless vpn connections are fully passed through the router and the connection issue I am having is with the "inside" computer.
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Jan 9, 2012
Got a problem with my new Linksys E2500 router. I have a Huawei Smart Ax MT882 cable modem, that connects to my desktop through an Ethernet cable, it works fine.
Recently i bought a notebook and i thought i could have a wireless connection, using the modem as well... So I bought a E2500 router, that is connected with Ethernet cables to the desktop and the Smart Ax MT882 modem.
It happens that i am not able to setup the configurations to make this work (This router does not supported by my ISP provider).
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May 10, 2012
I have an E2500 configured inside my network. It is configured to give wireless PCs (This subnet is connected to a Lan port with 10.30.0.0 address) another subnet than wired PCs (this subnet is connected to Wan port 192.168.0.0). Since i configured i can access from wireless PCs to servers and PCs in the wired subnet but cannot access from wired computers from to wireless PCs. I suppouse it is because traffic is restricted from Wan to Lan.
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Feb 1, 2012
I have a E2500 connected via LAN to my network via a switch or hub through a sonic wall and into the modem out to the internet. The problem is that I am only getting +/- 5Mpbs Down and +/-7 Mbps up through the router.
If I connect my computer to the network with out going through the router my speeds are more in the range of +/-28 Mbps down and 16Mbps up. I have been working with Linksys support but they have not been able to assist me with this yet! Is there any configuring I should be doing at the firewall or to the router to tell it to open up the port for faster speeds?
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Dec 28, 2012
Is it possible to configure a E2500 as router and WAP54G as a repeater? I used to have a WRT54GS as router but it has broken and now I bought a E2500 to replace it.
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Apr 25, 2012
We have 5 computers, 2 ipads, 3 iphones. All have been able to use the router until recently. We had a virus in our computer that is hooked up to the router. We formally had a "Linksys" router, now we have "Cisco Linksys e2500" . I had not made the connection that Linksys and Cisco were the same. We had "linksys" deleted from our "program". Some of our devices still receive wifi, so are struggling. Is there a way to down load what I need to do to get the Cisco Linksys e2500 working up to capacity?
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Sep 21, 2012
I have a Cisco e2500 dual band router.I have a cable modem pulling down 55mps.When I put it through my router I get 22mps wireless and 55mps wired. I want my wireless speed as fast as it can go!I have changed channels, I have gone with just wireless N I have done just Mixed. I contacted customer support and they won't talk to me since I am out of warranty (I just not got internet this fast).One small caveat - when I take the channel selection off auto and change to a preffered channel my one laptop drops connection a lot. We have two laptops and both get the same speed. (No I am not running speed tests with a bunch of other things running etc)
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Aug 12, 2012
I already have a desktop and modem at home, but I recently bought a new Sony Vaio laptop for college. I also bought a Linksys E2500 wireless router so my laptop could have internet access at home.I inserted the Starter Guide CD into my desktop, created my ID/password, and connected all the cables like it instructed me to but I still couldn't connect to the internet. Instead, several windows popped up with messages like, "Found new hardware. Locate and install driver software, "Insert disc that came with Internet Access Server", and "Windows could not find driver software for your device."When I tried to troubleshoot, I get something like this, "There may be a problem with your DNS - Windows attempted to find www. microsoft.com using DNS, but server responded back with unknown."I also tried inserting the disc into the laptop, but I still didn't recieve any internet connection, but it says that my router was connected.I tried following its advice to restart, unplug cables, and wait 2 minutes but none of it seem to work.
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Jan 16, 2012
We just got a Linksys e2500 router for Christmas. We have a desktop computer running Windows XP using a cable connection to the router and a laptop running Windows 7 using a wireless connection. Both connect to the internet fine, but we can't get them to connect to each other for file sharing. I have them both set to the same work group name, but they don't appear on each others' lists of network connections. They can ping each other OK, but when trying to access shared files, the laptop only shows the laptop and the router, and the desktop only shows the desktop and the router. I tried the Cisco Connect Easy Setup wizard, using a USB key to share settings between the 2 computers with no luck.
I realize that you can't use the Windows 7 "home group" feature when connecting to an XP machine, but shouldn't there be some way to do it? Or is this caused by the fact that one connection is wired and the other is wireless? Do they both need to be the same for this to work, or is there a way to connect the wired and wireless networks together?
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Dec 28, 2011
Well i recently purchased a Linksys e2500 router,so i connect it to my modem and then to my PC, all by Ethernet cable(no wireless) as i want my pc connected by cable, i go through the set up CD and it finishes and says you are now connected to your router but..... not to the internet and it tells me to restart the modem with i have done, i have also tried power cycling modem, router and PC, but i still get the same old problem and when i go in network connections my local area connection says i am connected but it wont let me use the internet. also above when i have been trying to set up the router this "Internet Gateway" pops up in my network connections and it is disabled and whenever i try to enabled it it just says failed.
I'm on Cable broadband my modem is a Motorola SB5101 SURFboard cable modem and the router is an Linksys Cisco e2500 and i am using windows xp sp 3
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May 11, 2012
I have just bought a Linksys E2500 Router and have been asked for the security key to connect to the Internet. Where do I find it and why is this so well hidden?
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Oct 20, 2012
Just installed Linksys E2500 router connected to my Desktop and Cable Modem and access the internet fine. My kindle accesses it and the internet fine. My laptop running Vista connects nicely but only has local access. I find the network and connection area where it sees a network with local only access. I have no clue how to go about changing that. I have the correct password because my Kindle asked me. My laptop does not ask for the password.
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Jul 31, 2011
I just bought a linksys wireless n dual band router e2500 and i want to make my old wrt54g router as an access point. how do i do this and where to start?
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Mar 13, 2013
I just installed the E2500 wireless router, and it works great for all devices we've tried so far. Here's the thing: we have a laptop that has been humming perfectly along for more that 12 years because we have never let it be touched by the internet. It has built in wi-fi, but we've never connected it. It has no viruses, no Microsoft creep, we've never had to purchase a virus software update and it has outlasted every piece of computer equipment we've ever owned. We'd like to keep it that way!
But now that the wireless printer is working beautifully, we want to know if there's a way to send the laptop through the router to the wireless printer, but not expose it to the internet. Is that possible?
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Mar 5, 2012
how to update Cisco FIrmware ... it is like brick....no responce from router.. i have tried With Linksys TFTP,, just coppying successful and not working..
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