Linksys Wireless Router :: E4200 Is Leaking Public Side DHCP To Dumb IPOD DHC

Sep 11, 2012

I have an E4200 functioning with a new Comcast/XFinity cable modem on the public IP (Internet) port. That modem provides a DHCP address to the router (currently 50.129.x.x./255.255.254.0) The problem is that this new setup is leaking COMCAST DHCP responses through the E4200 to my WiFi clients. Most of the clients (newer iPODs, laptops) are smart enough to behave correctly and use Wifi Protected Setup. This problem means that one older iPOD seems to be receiving the Comcast DHCP (as 192.168.33.0/24 range) instead of E4200 Wifi DHCP range (as 192.168.1.0/24 range). I imagine the most direct solution is to pull the public connection briefly and allow the iPOD to fetch a valid WiFi DHCP from the remaining DHCP server on board the E4200. HOWEVER, I'd like to configure the router to suppress all DHCP packets from the Comcast network - or otherwise make sure the WiFi clients only receive DHCP from the router and not the Comcast modem.

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Linksys Wireless Router :: E4200 V2 Wi-Fi Network Not Detected By IPod Or IPhone?

Apr 8, 2012

Both the iPod and iPhone were on the network and working and now neither is on and don't detect the network at all.  Have turned off and on both devices as well as the router to no avail.  My mini Mac is up and running and has been all day.  

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Linksys Wireless Router :: E4200 Quit Connection Side Today?

Jul 27, 2011

It's been a pretty darn good router for about 8 months now, then today one of the wireless connected PC's started to go intermittent internet, and then dropped the connection.
 
At first I thought it was the PC, but after checking other connected items (wii, PS3, another pc, 2 ipods, and 2 printers) I discovered all the wireless connections were dropped, and no one could see the SSID.  An hour unplugged fixes nothing.  2 wired ports are working fine though.
 
When it's uplugged and then plugged in, all the little lights come on, then go out, and then, only the 2 wired port lights come on, nothing else.

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Linksys E4200 Wireless Router / Unable To Ping Machine On The Internet Side

May 7, 2012

I am using Linksys E4200 wireless router. I connected two machines, this way.

|LAP1|--------(LAN ethernet connection)----------|LinksysE4200|-------(Internet wired connection)--------|LAP2|

On the Linksys E4200, the Internet wired connection side, I gave static IP address which is in the same network range as that of LAP2.When tried to ping from LAP1 to LAP2, ping doesnot happen. Any settings by which I can ping from LAP1 to LAP2.

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Linksys Wireless Router :: E1500 LAN-side Works / WAN-side Just Goes Away

Jan 30, 2013

My E1500 enters a state where the LAN-side (broadcast, etc.) works, but the WAN-side (internet connection) just goes away. If I go unplug and replug the E1500 the internet connectivity comes back.When this happens, the wireless indicator on my desktop (Dell with Intel wifi) says I have an internet connection, but I clearly don't.

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Linksys Wireless Router :: E4200 V2 - Block Public IP Address?

Feb 2, 2013

i got an E4200 V2 and it is updated to Linksys Smart Wifi firmware.. Is it possible to block a specific public IP address?

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Linksys Wireless Router :: E4200 Set Up - DHCP Range

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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Linksys Wireless Router :: E4200 - DHCP Reservation Not Showing Anything

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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Linksys Wireless Router :: DHCP Client In E4200 Becoming Unreliable

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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Linksys Wireless Router :: E4200 1.0.03 DHCP Server Buggy?

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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Linksys Wireless Router :: Get E4200 To Not Provide Itself As DNS Server To DHCP Clients?

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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Linksys Wireless Router :: E4200 DHCP Server Not Automatically Assigned

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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Linksys Wireless Router :: No DHCP Client Table Showing In E4200?

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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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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Linksys Wireless Router :: E4200 Dual Band Router Compatible With DHCP And VPN

Mar 18, 2012

Is the Linksys E4200 Dual Band Router compatible with DHCP and VPN?

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Linksys Wireless Router :: E4200 - Media Bridges Can't Show Up In DHCP Table

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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Linksys Wireless Router :: E4200 Won't Give DHCP Address To Linux Boxes?

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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Linksys Wireless Router :: Cascading - WRT54GCv3 Doesn't Get IP Address From E4200 DHCP

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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Linksys Wireless Router :: E4200 Disable Dhcp But Keep Guest Wifi Network

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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Linksys Wireless Router :: E4200 V2 - Can Parental Controls Work With DHCP Server

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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Linksys Wireless Router :: E4200 IPv6 Causes Win7 DHCP Client Crash?

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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Linksys Wireless Router :: E4200 - Running In Bridge Mode /Automatic DHCP?

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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Linksys Wireless Router :: E4200 Getting DHCP Reservation To Work Properly With Windows 7 Machine

Jun 7, 2011

I have the e4200 and I am having trouble getting DHCP reservation to work properly with my Windows 7 machines. Perhaps there is a step that I am missing. Basically I go to the DHCP reservation setup page, select my machine and add it to the reservation table. Then I save the changes. As soon as I do this my computer goes offline. If I reboot my machine, it is still offline. I've tried the same procedure to reserve the IP address for my phone and it works fine so I wonder if the problem is with Win7.

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Linksys Wireless Router :: Can't Connect IPOD To WRT54G

Dec 13, 2011

i have a LINKSYS  WRT54G router .. i bought an apple ipod touch recently  and i am unable to connect it to my wifi network. My ipod detects the wifi network but when i select it , it asks for password. now i dont know which password is this bcoz everytime i poer on my computer or laptop i never type a password b4 accessing internet.. it is auto connected. i know the admin password for my router but that is denied by ipod to connect to internet. Is there any other password we have to give for connecting deveices through LINKSYS or some changes i need to do in my connection ?

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Linksys Wireless Router :: Set WAN Side DNS On E2000?

Jan 27, 2012

I would like to set the router's dns entries but I don't see how to do that.  Basic setup page has DNS setep for the DHCP scope but I don't want to push dns to my pc's.  What I am looking to do is to use an alternate dns to what my service provder pushes and still have the abliity to route on my internal network. 

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Linksys Wireless Router :: WRT54G - Unable To Connect IPOD Touch

Dec 27, 2011

IPOD Touch 4G that will not connect to internet. it sees the network, requests a password but will not connect. Have been entering the same 8 character password the router uses.

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Linksys Wireless Router :: WRT5G2 V1 Cannot Connect To Internet With Kindle / IPod

Sep 11, 2011

I have a WRT5G2 V1 wireless router. I cannot connect to the internet with my kindle,I-pod and Wii. I had this problem a few years ago when I bought this device for my laptop.

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Linksys Wireless Router :: WRT120N - Use NetMagic To Limit Ipod Access

Aug 24, 2012

I have NM 5.5.9195.0 and WRT120N Linksys router.  I have an Ipod using WIFI to connect to the network which I would like to restrict times for.  Using the access restriction page in the manage/setup of the router seems to not work well.  The system does recognize the MAC address of the Ipod but setting times to allow or deny gives me odd results.  The allow button actually denies use for one thing.  Secondly, the deny time ends, but the Ipod still cannot connect sometimes.  It is like the system gets stuck in deny.  I have tested using a random 5 minute deny time period, yet the Ipod is denied all times.  The system is consistent in denying the Ipod (actually using the allow button) but not on the times.

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Linksys Wireless Router :: Wrt110 - Ipod And Ipad Touch Is Not Connecting

Oct 21, 2010

after i had to replace my old router from lynksis for the wrt110, everything works except for the ipod touch and the ipad. what could be the issue?

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Linksys Wireless Router :: E1500 / ISP Blocking ICMP On WAN Side

Oct 5, 2012

Device: Linksys E1500 - firmware: 1.0.01? I've got a static IP setup for a small remote office and want to keep tabs on their internet connection by pinging it via a monitoring program we use. However, the router seems to not responding to ICMP.

- Filter Anonymous Internet Requests is unchecked.- I've verified that the Static IP is correct.

- I've tried pinging from several remote locations on different connections, with no avail.
 
I can't seem to figure out why i can't ping this device. I just want to make sure there isn't a setting in the wireless router that is preventing echo replies.The only other thing i can assume is that Comcast is filtering ICMP on their side of the WAN connection.EDIT: Here's a traceroute from my PC to the WAN side of the Linksys....
 
Tracing route to 50-194-XXX-XXX-static.hfc.comcastbusiness.net [50.194.XXX.XXX]over a maximum of 30 hops:  1    <1 ms    <1 ms    <1 ms  172.25.2.1  2     6 ms    16 ms     6 ms  10.0.0.5  3     9 ms     8 ms     8 ms  10.0.0.1  4     7 ms     7 ms     7 ms  10.0.0.2  5     8 ms     7 ms     7 ms  ont-static-208.57.XXX.XXX.mpowercom.net [208.57.XXX.XXX]  6     7

[code].....

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Linksys Wireless Router :: WRT120N - Connected But Cannot Access WAN Side

Jan 27, 2012

I have configure pppoe on my WRT120N it say it's connected but cannot access wan side of the router.

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Linksys Wireless Router :: WRT110 Doesn't Seem To Have Range To Make It To Other Side Of House

Dec 18, 2011

My Linksys WRT110 doesn't seem to have the range to make it to the other side of the house. What range expander is compatible?

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Linksys Wireless Router :: E3200 - QoS Enabled / Routing Stops From LAN To Internet Side

Dec 10, 2011

E3200 works great until I enable QoS.  The device uses QoS and works find until reboot.  If QoS is enabled and the device is rebooted, its stops routing from LAN side to Internet side.  Administration-->Diagnostics allow me to ping/trace route to Internet sites and local LAN clients but cannot reach Internet from local LAN.
 
Windows networking icon indicates "No Internet access".  I can ping other devices on local LAN. 
 
Disabling QoS restores routing and you can re-enable QoS after that and all is well.  Unfortunately, if there is a power failure when I', not there to disable/re-enable QoS afterward, other household members can't use the Internet till I get home.
 
Wondering if any other QoS users have observed the same problem.

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