Linksys Wireless Router :: E4200 - Static IP Lease From DHCP Server?
Jul 8, 2011
I just bought an e4200. I was using a LinkSys WRT54GS running DD-WRT alternative firmware.
One feature that I really liked in DD-WRT was the ability to assign static IP leases from the DHCP server. I liked having all of my devices running with a predictable, known IP address on my network. I have a Home Theater PC, and various controller applications that run on iPhones, etc. - some pretty homebrewed. Configuring the firewalls, etc. was much easier with IP address based controls.
Is there a way to achieve the same within the e4200's stock firmware?
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Mar 12, 2013
Today I installed the 1.0.2.6 Firmware on a RV180W. I only have now two problems regarding the Static DHCP support in the GUI.
1. Via the Networking > LAN (Local Network) > Static DHCP I have no buttons to Add a new static Lease.
2. Via the Networking > LAN (Local Network) > DHCP Lease Clients I can thick a Lease and click on Make Static IP. The result is an error: Operation failed.
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Dec 4, 2011
The e4200 1.0.03 DHCP server appears to be quite buggy. After configuring a static IP / reservation for a client which already had a dynamic IP from the pool, the e4200 continued to offer this client its pool IP. However, the DHCP client listing in the e4200 showed the client having the static IP even though it was still being offered that pool address.This may sound like user error, but I can assure you, it is not. I have had a very frustrating experience with this product, and rather than fool with tech support again, I ran `tcpdump -e -s1600 -n -vvvv -i eth0 port bootpc or port bootps` to absolutely rule out a mistake on my part, bug in the DHCP client, etc. I found that the client was always offered that old IP, even thought the e4200 status display showed the "new" static one, after doing a DHCPDISCOVER without requesting a specific IP. This condition persists across e4200 reboots even after having the client release its lease!I finally was able to resolve this by forcing the client to request the static IP from the e4200.This is unquestionably a bug in the DHCP server, and additionally, the user interface does not show the real state of the underlying DHCP leases held by clients which have static addresses / reservations. Troubleshooting this condition is well beyond the abilities of the average user.
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Dec 27, 2012
Is there a way to get the E4200 to NOT provide itself as a dns server to the DHCP clients? I have the unit set up to provide two dns servers to the clients, but the 4200 always provides itself as a third and it uses my cable providers dns servers. I am using a dns based filtering service to prevent certain material from being accessed within my network as the first two resolvers. So long as both or one of the provided servers is working it doesn't fall back to the unfiltered third, but I would prefer to remove it entirely.
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Jan 4, 2012
I just bought a Linksys E4200v2 router and updated the firmware to 2.0.26.124551. The DHCP server is turned on however, it won't issue any IP addresses. I have to set IP reservations for all of my devices in order for the router to give them an IP address. This includes my printer, xbox360 and 2 computers. I'm also having this problem with the wired and wireless lan.
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Jan 12, 2012
How to clear dhcp lease in WLC 6.0.199 from the IP leased from internal server?
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Mar 5, 2012
On my new E4200v2, after I tried to move beyond the disappointment of Cisco removing Internet Access Policy entirely, I decided to give the stripped down Parental Controls a try.
Sadly, I didn't have any luck doing what I needed to do... block my Tivo's from accessing Youtube.
I enabled Parental Controls, Added the Target Devices (my Tivo's did show up), and added "Youtube.com" as blocked site #1. Saved. Entered the parental password when prompted. Even rebooted the router.
But Youtube wasn't blocked. So I added to the target list a non-Tivo device (a Macbook) for a reality check, and rebooted the router again... still no luck. Youtube still not blocked.
So then I started to wonder if their Parental Control depends somehow on the local DHCP server & Client list. Because my E4200 has DHCP Server = OFF (I have always used a Windows Server for DHCP).
I tried to call Linksys support to get this working, but after 45 mins, including escalation to senior engineer, they really were pretty useless (no real familiariarity with my problem) then they disconnected my call!
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Sep 25, 2011
i cant seem to change my dhcp lease time even though i change my Client Lease Time to 1 day.
Firmware Version:v1.0.06 build 001 Apr 29 2011 11:08:40Boot Code Version:v0.03Firmware Verification:Current Time:Sun, 25 Sep 2011 10:15:32 PMInternet MAC Address:Host Name: Domain Name:
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Jun 11, 2012
we finally got my Cisco refurbished E2500 configured and working downstream from a UVerse 3801HGV box. We had to change the default IP address of the 3801 because it conflicted with the E2500's default. The E2500 is set up to get its Internet IP address using DHCP from the 3801. This is working fine for normal web browsing, etc. However, anything that requires extended connections (downloads, streaming, etc) freezes after a couple of minutes, forcing me to refresh the action to get it started again. Extremely annoying to say the least.
I'm pretty sure that I've tracked it down to the E2500's configuration of the 3801's DHCP allocation. For some reason, the E2500 wants to set the DHCP Lease Time for the 3801's assigned IP address to 10 minutes regardless of the upstream settings from the 3801. The 3801's default is 24 Hours which I've changed to 168Hours (7 days), but the E2500 stays stuck at 10 Minutes. Specifically, I'm referring to the setting displayed on the E2500 under Status>Router>Internet Connection IPV4>DHCP Lease Time.
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Apr 28, 2013
I have a Linksys WRT310N v1 with firmware v1.0.10 build 002Jul 19, 2010 My router fails to renew it's DHCP lease from my cable provider, causing internet access to drop. I can still access my cable modem at 192.168.100.1, but I must do a "IP Address Release" then "IP Address Renew" to get back internet access. The router works fine otherwise.
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Apr 2, 2013
I'm trying to change the DHCP Client Lease Time from 1440 minutes to 480 minutes. When I try to apply the new settings, I'm getting a message that says "Invalid Characters" and it won't stick. I've tried this in three different up-to-date browsers (ie10, Chrome and Firefox). Also, I'm connecting locally through LAN and I have the latest EA6500 Firmware: 2.1.39.145204
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May 5, 2013
my Laptop is about nine years old, HP Pavillion Pentium 4. I run Windows XP Home Edition Version 2002 SP3. I use a broadband card from Verizon that I just put in my USB (no router, etc) I'm getting a System Error Source DHCP Event ID 1002. When this happens, my computer, I believe, is going into sleep mode and I have to reboot the system. When I turn it back on and go back on the internet, all my websites that I was in are still there. The error says: The IP address lease 10.170.223.48 for the Network Card with Network address 2c3068c16ED1 has been denied by the DHCP Server 10.173.229.86 (The DHCP Server sent a DHCPNACK message)The DHCP Server Service did not extend the lease on your computer's IP address, so your computer temporarily lost its connection with the Network. I tried the ipconfig /release and ipconfig /renew. I tried going in services.msc and going under DHCP and keeping it automatic but stopping it. I called Verizon and I believe he refreshed my Network settings (I think I knew more about the topic than he did) He said it was my computer, whatever. I just tried the static IP but it didn't seem to take. I restarted and it jumped back to automatic. My last guess is it's something to do with the time frame of when it automatically obtains the address and when it expires. When I do the ipconfig /all it shows only a two hour time frame before it expires. Today I noticed that my computer shut down/sleepmode at the exact time the ipaddress was obtained. So, is there a way to increase this time between obtaining and expiring?
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Aug 9, 2012
a couple days ago my BEFSR41 started making trouble, and so far I have not been able to get it working properly again. When I hook up my laptop directly to the cable modem everything works fine, and I get an IP address via DHCP. When I connect through the router, though, the router status shows 0.0.0.0 for all DNS, gateway, etc. addresses, and even pressing DHCP Release/Renew doesn't change that.Also, in the log I see these messages:
2012-08-08 20:30:41 warning DHCP RENEW WARNING - Field invalid in response
2012-08-08 08:30:52 notice TLV-11 - unrecognized OID
Since I can connect to the cable modem directly, it seems the cable modem is not at fault.My overall setup is:
- BEFCMU10 cable modem
- BEFSR41 (not sure which version, but I believe it's a 4.x)
- WAP54G
Could it be that my provider (Cox Communications) has changed some configuration in their DHCP server, and my laptop (MacBook Pro) can handle it, but the router cannot?
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Jun 26, 2011
On the BEFSR41 v1 series and WRT54G series, what is the maximum value for the DHCP "Client Lease Time (in minutes)?" It seems that 2^16 -1 (65535) minutes is the max. This is about 45 days. has the max value changed with newer versions of these devices?
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Nov 9, 2012
I recently wanted to try using the Google public DNS servers on my home network. I have a Cisco E4200 router.On the router's administration page, I set Static DNS 1 to 8.8.8.8 and Static DNS 2 to 8.8.4.4 and saved the settings.Even after rebooting the router, the Setup page shows the Google DNS addresses listed above, but the Status page shows 65.32.5.111 and 65.32.5.112 as being the DNS servers its using.
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Oct 27, 2012
I am to play an online game called, "Super Street Fighter: Arcade Edition" and I am constantly getting disconnected. Currently my router is set to DHCP and I read and heard from other sources that a static IP is the way to go but I can't seem to get it setup when I follow youtube videos or read how-to guides.Which is the best choice for a solid connection? Port forward the ports need to play the game or setup a static ip or some sort of combination of both? How to setup a static IP with the linksys e4200? I also have a linksys repeater to boost the signal strength. Its the Linksys RE1000 repeater.Also, if you have any other suggestions that might be better such as leaving my router on DHCP and making changes somewhere else in the router configuration page (192.168.1.1).
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Aug 24, 2011
I have assigned a Static IP with other Linksys/Cisco wireless routers (WRT54G), but I can't seem to get the E4200 to assign a Static IP. My device is connected to Port 3, with that being the only port (besides my WAN) being occupied. When I enter the following and click Save Settings I get the following error: "Invalid Static Route!"I don't understand what I am doing wrong. This is the exact same as I have done on my WRT54G and it worked.
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Jan 1, 2012
I'm a big fan of Cisco products and recently have purchased an E4200. I always connect my iPod classic to the router and listen to the music on my ps3 and laptop. The only problem is that I can't make any playlists since the media server creates a different link to a song, every time I reconnect my iPod. It'd be great if you allow the server to create links like below. I'm sure all the users will e much happier with it! [URL] like this.
Something tells me I'll never see the day that I can activate this feature on my E4200. Anyways, I leave it to your engineers make it happen...
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Mar 19, 2012
I have an e4200 set up and working on fios as a pppoe router properly with a dozen devices connected to it via dhcp. The dhcp range i configured in the e4200 is 192.168.1 100 to start with, and a mask of 255.255.255.0.
All the dhcp devices connected to the router start with 192.168.1.1xx. My Dell Inspirion with Windows 7 has an ipv4 address of 192.168.15.2. I cannot figure out how it gets this address, even after I release and renew the address on the Dell.
Everything is working fine so I guess there is something I just do not understand.
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Dec 18, 2012
I'm following a tutorial that 'dumbs down' the modem and lets me use the router for everything.
It asks me to set up a static LAN IP (10.x.x.x range) and edit the DHCP pool of the router. When I'm logged in to the routers admin, it doesn't seem I'm able to do any of this.
Earlier in the tutorial it also asked me to set up a static IP for the router, which I did I suppose.
I've added a screenshot of the admin panel, in case that's relevant.
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Jun 9, 2011
When I'm in Setup -> Basic Setup -> click on DHCP Reservation, I don't see all entries I've created earlier but computers that connect still have the correct IP address on the network; I don't know if I can create additional entries if nothing appears
When I go to Status -> Local Network -> DHCP Client Table the list is blank but some computers are connected to the networkI'm using firmware 1.0.01 build 10 Feb 21, 2011, language = English, Firefox 4.0.1.Rebooting the router doesn't change anything, I can't see connected LAN equipment and DHCP Reservation is empty despite the fact I've created entries.Together with the "Access Restriction" which doesn't allow to block a computer from 10pm => 8am unless you create 2 rules + various issues with attached USB + 2.4Ghz signal that is far from optimal (never able to achieve more than 144-N-Mbps) and I ask myself if I will not contact the store where I purchased this unit and ask a refund (and buy something else from another brand...)
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Mar 20, 2013
I have ten E4200 routers deployed in five library branches. In recent months, the E4200's in two branches have occasionally gone into a state where they are not always providing an IP address to both wired and wireless devices. Some devices will get an IP fine and others will not, The problem seems to move and the next day the same device will connect fine and others will not. A reset of the router usually clears the problem but it is becoming more frequent and bothersome. For some reason only two locations are effected.
Some notes:
- Firmware version is 1.0.02 build 13
- When I set devices up with static IP's they work fine, so the problem seems to be related to the DHCP service
- The WAN side of the network tests fine with no issues
- I've had these routers deployed for over a year and this problem just started in the past two months
- Routers and AP's are on different channels to prevent interference
- No nearby WiFi signals appear to be casuing any interference
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Oct 29, 2011
I just purchased an E4200 router. I have four clients on my network and they are all set up for DHCP. I renewed their IPs and they all are connected. "Cisco Connect" reports that I have four clients connected. When I access the router and bring up the DHCP Client Table, there are no entries. There should be four entries. Aftern I enable the logging function, none of the logs have any data in them even after I wait for 45 minutes and use the internet and renew IPs. I am using Firmware Version: 1.0.03. I have the same results for both Chrome and Firefox. I want to be able to set Static IPs but I am hampered by the not having any clients in the DHCP client table.
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Jun 23, 2010
I have several Cisco WAP4410N access points. They are configured to automatically obtain an IP address through DHCP. This works fine, but I've discovered when the DHCP lease expires, the access point doesn't renew it. It continues to use the same IP address but does not renew the lease. If I reboot the access point, it will renew the lease again.Is this a known issue with the WAP4410N? Is there any way to work around this, other than setting a static IP address or rebooting regularly?
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Mar 18, 2012
Is the Linksys E4200 Dual Band Router compatible with DHCP and VPN?
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Jan 11, 2012
I have 2 Media Bridges, a Trendnet TEW-640MB and TrendNet TEW-680MB. Both are set as a Static IP on the devices 192.168.1.150 and 192.168.1.151. In the DHCP table for my E4200 I don't see those. I have no problem accessing them typing in those IP addresses but wondering why they don't show up in the table.Actually looking at it more closely, the devices hooked up that are active seem to show up.So I see the following below. And where is list LAN but no name those seem to be devices connected to the media bridges.
LAN192.168.1.128 LAN192.168.1.129 iPhoneWireless192.168.1.130 1 Wireless192.168.1.131 LAN192.168.1.135
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Sep 25, 2011
I've got threeLinux Boxes (running Centos 6). They were all connected to my cheap WRT54GL-- DHCP worked every time.Absolutely no problems. Both the LInux boxes and the WRT54GL had MTU set to manual, 1492.I replaced the WRTt54GL with the expensive E4200. I set the new router's MTU to manual, 1492. NONE of my Linux boxes ever receive a DHCP address. I look at the logs, and they do DHCPDISCOVER, get DHCPNACK, try several different intervals, and then fail the interface and quit.ALL I did was unhook cables from the WRT54GL and plug into the E4200. Yes, the WRT54GL was powered off. NOTHING was changed in the Linux configs. Yes, DHCP is enabled, address-range assigned, etc. BTW-- one box is dual boot with Win7-- in Win7 (using the same card, obviously), DHCP works just fine. But, Linux doesn't work.
I can give the boxes static IP's, and all is well. Just can't get DHCP to work. I evfen tried putting in DHCP reservations (via MAC assignments) for the E4200-- still doesn't work. The new E4200 is on the 02 firmware (which I believe is cuurent). If I can't iron this simple task out, in a couple of days I'm taking the E4200 back, and getting a refund. I'll stay with my old WRT54GL... it works. Hate to give up on some of the new E4200 features, though.
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May 21, 2011
I've tried to cascade two Linksys routers, but It hasn't worked for me. The first one (which has cable-modem connection) is the brand new E4200, and the second one is the old WRT54GCv3.[code] However, the WRT54GCv3 doesn't get the IP address from the E4200's DHCP. I've also tried to connect them directly (without the PLC), even specifing an static IP on the second router, but I got the same results.I've to state I don't want to change the first router IP/gateway parameters because I have a web and game home server working with an static IP and I don't want to put it offline temporarily because of readjusting network parameters.
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Mar 15, 2012
My router a E4200. the thing is i want to disable the dhcp services from the router, because there are allready a dhcp server in my network. but if i disable the dhcp will the Guest wifi functions still work?
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Jun 9, 2012
When I enable IPv6 on my E4200, the Windows 7 DHCP client crashes. It also seems to crash the audio service, the event logger and a few other windows services.
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Dec 9, 2012
I am trying to determine the best way to setup my E4200 V2 so that it is “uplinked” correctly to a Comcast Dory Modem/router. Currently we have the E4200 V2 router plugged into the Comcast Dory Modem/Router using a CAT6 cable from one of the Ethernet ports on the Comcast device to the WAN port on the E4200. The E4200 is set to “Automatic Configuration - DHCP.”
We are trying to do two things. First better WIFI in the center of the house and for a TV located next to the Comcast device, and second, have all devices in this house see and access all other devices including the Samsung SmartTV, my son’s two systems upstairs, the 3 systems in the room with the E4200, and the one network printer. In the room with the E4200 we have 3 computers and one network printer. 3 of those 4 devices support WIFI so we don’t have to use all 4 Ethernet ports on the E4200.
I see others talking about running the CAT6 cable to an Ethernet port on the E4200 instead of the WAN port and setting it to “Bridge Mode.” Right now the system appears to be working fine although we are sometimes experiencing brief dropped connections with the devices hardwired into the E4200.
Should I be running the E4200 in “Bridge” mode or “Automatic DHCP” mode and which port on E4200 should the CAT6 from Comcast be plugged into?
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May 7, 2011
I have a machine with Windows Server 2003 running an Exchange Server in a office with 5 workstations attached. The server is being used for a basic outlook calendar across the various workstations, nothing major. Our current ISP provides us with a Static IP address. The party that installed and configured the server set it up to run the DHCP server on the server PC itself. As in, the machine running windows server is also running a software DHCP server for the entire network. THE SETUP: As of right now we have a wall port (internet access) with a cable running to a 8 port unmanaged netgear switch that has cables hooked up to the 5 workstations as well as the server itself. Pretty simple.THE QUESTION: How do I configure the ISP static settings on the DHCP Server portion of the Server PC? We may be getting a new ISP with a dynamic address OR a new static address. WHAT I'VE TRIED: I've tried configuring the IP address on the Server PC the way I would via the NIC adapter settings but it already has a internal IP address from the DHCP Server running on that PC so changing that was no good.
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Aug 22, 2011
I'm totally new to using Windows Server 2003 (or any windows server edition) but I do have a basic understand of networking. I have a machine with Windows Server 2003 running an Exchange Server in a office with 5 workstations attached. The server is being used for a basic outlook calendar across the various workstations, nothing major. Our current ISP provides us with a Static IP address. The party that installed and configured the server set it up to run the DHCP server on the server PC itself. As in, the machine running windows server is also running a software DHCP server for the entire network. As of right now we have a wall port (internet access) with a cable running to a 8 port unmanaged netgear switch that has cables hooked up to the 5 workstations as well as the server itself. How do I configure the ISP static settings on the DHCP Server portion of the Server PC? We may be getting a new ISP with a dynamic address OR a new static address.
I've tried configuring the IP address on the Server PC the way I would via the NIC adapter settings but it already has a internal IP address from the DHCP Server running on that PC so changing that was no good. I guess what I'm basically looking for is a screen like this (I hope you're familiar with the configuration pages of Linksys Routers) url...
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