Linksys Wired Router :: BEFSR41 DHCP Client Table Corruption?
Jan 31, 2011
Most devices pass a client name to DHCP when requesting an IP, but some like my smartphone, do not. When a device does not pass a client name garbage is entered as the name of the client name.The first is that when you use the Web Admin pages, and select Status/Local Network/DHCP Clients, the table will not display any clients because there is an error on the page. If you right click and View Source from the browser, you will see all the client entries are there and one of them will have garbage (unprintable characters) for the client name.The second and more serious issue is that the internal DHCP table once corrupt is unstable. I've had my BEFSR41 reboot because of the corruption and then I get IP conflicts on my LAN because the DHCP starts handing out in-use IPs.I'm on hardware version 4.3 and the latest firmware Ver.2.00.4 Build 8 (which is very difficult to install without bricking the router). BTW, when I use a WRT54GL router with the smartphone, it is properly handled by the DHCP and shows a blank client name, not garbage.
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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 2, 2012
I just got an EA3500 and I guess I don't understand what "Refresh" does when viewing the DHCP client table under the "Status", "Local Network" tab of the web interface, either that or it's not working. If I have active wired and wireless clients and I power off the EA3500, wait a few minutes, then power it back on, the table is blank. If I hit "Refresh" I would expect it to re-populate the table with the connected clients. For whatever reason, it doesn't. I have to physically disconnect and reconnect the E-net cable, or power cycle the wireless client to get them to reappear in the table. Is something wrong with the router or its s/w
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Aug 22, 2012
My EA4500 will periodically clear out the DHCP Client Table and I will lose internet access.This happens once almost every day, normally in the morning. If I can't access the internet I will check the DHCP client table under Status -> Local Network -> DHCP Client Table and it is always empty.After I select Setup -> Reboot it will work again - when I look at the DHCP client table it is now populated with all my devices. I am on firmware version 2.0.37.
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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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May 20, 2012
I'd like to add a name to a few ip addresses in the DHCP client table currently there is an asterix for a couple client names. the router is an ea3500.
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Jun 5, 2012
I have DHCP enabled, but I have assigned a static IP to most of my network devices.When I click on the DHCP Client Table, most of the devices are NOT shown even though I know they are connected and working.One device (a Brother printer) that I have assigned a static IP to actually shows up as having an IP from the DHCP range. A Panasonic TV does not show up at all even though it is connected and woking. I have not been able to assign a static IP to it because it does not show up.
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Apr 21, 2013
Do the problem caused by the modems itself or it just sign of faulty Ethernet switch (using 20 port Allied Telesis ethernet switch).
Sometimes I cannot connect to internet due to "unidentified network" buy i can resolve this problem by restarting my modem + switch.
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Aug 7, 2006
I recently installed a WRT54G wireless router however I has this same question about my BEFSX41 Wired router.
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Jun 22, 2011
I have enabled DHCP but want to set static table IP's for my security camera DVR and one computer, the others can remain dynamic. I know in other routers I can attach a LAN IP to a mac address to keep it static but I can't see where I can do that with this router.
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Oct 14, 2012
On my old Linksys WRT54GL router (with its latest stock firmware)'s http://192.168.1.1/DHCPTable.asp for DHCP Active IP Table, it only shows wireless connections. How come it doesn't show wired ones?
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Jan 10, 2011
I upgraded to firmware version 1.0.03 I started to have this weird issue: I have four PCs connected to this wireless router via wireless G. They all run Windows 7 Home Premium. After a few hours I started to notice that the DHCP client table is empty even if all four PCs are connected to the internet. This causes a networking problem because one of the PC serves as a file server and it grants access by IP addresses. Not being able to "see" those computers, my access is denied.
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Jun 9, 2012
just purchase this RV016 and the firmware has been updated to 3.0.2.01-tm.Every download I try through the router leads to a curruption somehow, even though the download manager gets it all. If I go straight from the cable modem I have no problems.It's a 4mbps upload and 0.8 downlink from what speedtest shows. I have tried diff DL managers, and get the same result on different connected PC's. The great thing about the RV016 is it speeds up the connection on this cable modem.What can I change to get downloads working?
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Jun 21, 2011
how I can get to the DHCP client table on a Cisco 891 Router ? We just upgraded our router from a WRVS4400N to the Cisco 891. THe WRVS4400N has the feature DHCP client table that I can see the Client host Name and IP address,Mac Address I have CCP and CCP express installed on my system?
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Nov 30, 2011
My BEFSR81 is my primary router and has DHCP turned on. The router's DHCP range is set to accommodate 12 devices. I have three computers wired to it and their Host names (as specified in the set-up of each computer) show up in the router's DHCP device table. I also have two printers (one old Brother HL5250DN laser printer and one new HP Photosmart Premier C410a inkjet printer) connected and there are blanks where the Host name should go. I would like to be able to tell which printer is which when I am looking at the DHCP device table. How can I get a names associated with each printer's IP address in the router's DHCP device table? (The real problem is that the router seems to have both printers at the same IP address (192.168.1.100) and if I can get one of them to change I'd like to know which one it was!)
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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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Sep 14, 2011
I have a home network with a wired BEFSR41 that, for a variety of reasons, MUST be manually IP configured (DHCP off). All computers and other devices connected to it are manually IP configured. I desire to add a device that cannot be manually configured, and needs DHCP. I therefore need to daisy-chain two routers with the second one DHCP on (and manual IP connection to the main network). The new device needs two-way internet access, but doesn't care if it sees any other current network devices. I've tried several configurations, none seem to work.
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Jun 16, 2011
I have an old BEFSR41 ver. 2 wired outer that I'd like to use with a motorola modem/router as a hub. Is this doable?
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Mar 16, 2011
I have the setup disk and want to set up a password for the router. Don't want to mess things up since the system was installed by a pro. How do I simply enter a password to be used to connect?
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Oct 16, 2011
I have an AT&T Univese which is class G. I want to run it in class N.Do you think plugging my Linksys router into the AT&T will give it to me(class n)?If so, how do I get the linksys parameters set up? It giving wrong readings at its not connecting to the internet.
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Apr 1, 2011
I have just changed from cable to DSL. I have a LinkSys BEFSR41 router. I can't get my LinkSys BEFSR41 router to work with the DSL.
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Jun 29, 2011
LinkSys BEFSR41 v3 4-port cable/dsl router
Ubuntu linux 11.04 'natty'
Verizon dsl internet connection
I'm unable to log into the 192.168.1.1 router using the default user/pwd of blank/admin
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Feb 14, 2011
My internet supplier is Comcast. I have a problem with a URL that will not load or I could not connect to that site. Comcast said it was my router that was probably the reason. I have not had any problem in the span of using this model and version before. Should I be looking for firmware upgrade or a new router? Operating system is MAC OSX 10.5. Using router to network 2 MACs.
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Mar 27, 2013
I have a BEFSR41 that often goes brain-dead and the DHCP stops working. I've tried three times to download and install new firmware but it always fails with a "pattern mismatch". My current firmware version is 2.00.02 and the file I am downloading is 2.00.04 build 8. Yes, I have verified that my hardware version is 4.3.The download file from this website is corrupted.
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Feb 3, 2011
I have a Century Link DSL connection in my house and its working fine. I just got a new Linksys BEFSR41 v.3. I am trying to set it up for my PC, Xbox360 and BD player. Everything works fine when I plug them in to the DSL modem 1 by 1 but when I try to put the Linksys "in the middle"... nothing... So I'm pretty sure its not my DSL modem or connection.All the lights come up on the Linksys as they should (power, internet and the Ethernet) but for some reason it seems the internet not getting trought the router. When its connected and I pull up my internet browser I type 192.168.1.1 and it takes me to the linksys config site. Without the router in the same address go to the Westell site as thats my DSL modem. Everything looks fine on the config site. All the correct IP, MAC, DNS address are there and still no internet access on any of my device.
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Mar 23, 2012
I have problem with Linksys BEFSR41 ver.4.2 (Firmware Version: 2.00.4 )When i plug the cable on internet port , router crash , can't see web configuration if get ip or to make some ather configure, only if unplag internet cable and restart the router i can see the web configuration .(i try to ping in local ip when crash 192.168.1.1 but not responding )in my computer i have static ip (192.168.1.5) and is direct connect with Linksys.i try it and with DHCP and plugent over LevelOne switch and over Cisco switch .[code]
in previous firmware they don't have in menu the server ip in wan pptp web configuration connection I have test with more than one Linksys BEFSR41 ver.4.2 and all router have the same problemWith ather router e.x. Cisco RVS4000 configured and working perfect in same network .
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Feb 20, 2011
Comcast upgraded me to a 30 Mbps speed, and my trusty old BEFSR41 v2 doesn't cut it. Cisco promotes wireless routers with a 1 Gbps ethernet, I would rather have a wired router, and use a WAP that I can unplug when I am not using it, since, for now, I only connect my work notebook wirelessly. Most wireless routers also generate a lot more heat than a wired one does, and I don't need any more heat in my Houston home.A new BEFSR41 v4.3 is only 10/100 Mbps. There doesn't seem to be any 1 Gbps wired routers for home use. Will a new BEFSR41 give me 100% of the cable Dociss 3.0 speed, or would I need to get a 1 Gbps router to get the fastest throughput? Or do I only need to upgrade when the cable speed increases closer to 100 Gbps?If a 1 Gbps router is better, are there any simple business wired routers you could recommend?
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Jan 10, 2011
I have recently been having difficulty with my router. We have 2 computers and our xbox hooked up to the router and for the last few days whenever both of the computers are in use we experience frequent disconnects. It does not happen when it is just one computer and the xbox running, but as soon as both computers are in use it happens. The disconnects are very brief but extremely frustrating when I'm trying to play a game. I have the most up to date firmware according to the linksys site
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Dec 23, 2010
I am using a Windows 7 machine and I'm pretty sure the ethernet cable that I'm using is functional, considering that I'm using it to connect to the Internet right now.I've been trying to get my router going for a while now and I'm pretty sure I've tried everything that the internet has advised. I've screwed around with the card speed, 10 mbps Half Duplex didn't work or anything. I've manually set the IP and related stuff to 192.168.1.x and the works. I've tried to manually run the setup, although that definitely didn't work considering that my computer can't even detect the dang router. I've screwed around with the wiring and restarted my router and modem constantly.
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Jan 3, 2013
i tried to upgrade my BEFSR41 model 4.2 to a newer firmware (FW_BEFSR41v4.3_2.00.4.5_20080603_code.bin) and got a blinking power led. I've tried to power cycle (several times), reset (several times, 30/60 secs), unbrick (several times) and still have flashing power led. My connection to the router looks like:
Request timed out.Request timed out.Request timed out.Reply from 192.168.1.1: bytes=32 time<1ms TTL=64Reply from 192.168.1.1: bytes=32 time<1ms TTL=64Reply from 192.168.1.1: bytes=32 time<1ms TTL=64Reply from 192.168.1.1: bytes=32 time<1ms TTL=64Reply from 192.168.1.1: bytes=32 time<1ms TTL=64Reply from 192.168.1.1: bytes=32 time<1ms TTL=64Reply from 192.168.1.1: bytes=32 time<1ms TTL=64Reply from 192.168.1.1: bytes=32 time<1ms TTL=64Request timed out.Request timed out.Request timed out.Request timed out.Request timed out.Request timed out.Request timed out.Request timed out.Reply from 192.168.1.2: Destination host unreachable.Request timed out.(and offline until the next reset)
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Dec 21, 2012
I have just received this device from my deceased son-in-law and I need to know how to change the password. I do not know his and have no way of getting it.
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May 30, 2006
I just have a quick question about the TFTP utilities that Linksys has. I tried to upgrade the firmware of my BEFSR41 v1 router using the TFTP utility for a BEFSX41 and it didn't work(I just hope I did it correctly).
So, the question is, are these utilities router-specific or they should work with other routers as well?
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Jul 22, 2009
I cannot find any explicit instructions on this. Maybe they're calling it other things or implying it in other settings.
How do I configured a BEFSR41 to operate in bridged mode?
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