Cisco :: No Dhcp Through Wireless Controller WLC2100 And Wireless Bridge WET546
Jan 19, 2011
Due to lack of wires we decided to extend our network by using WET546 bridge by linksys. Ideally we looking to create topology like this:
(Computer)--eth--(WET546)---wireless----(AP/WLC2100)---(router)---(Internet)
WET546 successfully authenticates and looks pretty healthy on controller (see below) , however neither of computers plugged to WET546 was unable to obtain ip address from dhcp server , nor working with static ip. I was under impression what it might be related to some default policies on WLC2100. Logs (warning) on WLC2100 looks clean.
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Jan 20, 2011
I've got a 2106 that I'm installing for a customer and having issues with it assigning DHCP to WiFI clients. What's odd is that this was working at one point at home during testing. Only difference at this point is LAN hardware at the customer location.
Simple config- single flat vlan on Cat2960G switch, ASA5505 serving up DHCP for the network. Wired clients are receiving DHCP fine.
Mgmt IP192.168.0.10/24Mgmt Gateway192.168.0.1Mgmt VLAN0Mgmt Int port1Mgmt DHCP server192.168.0.1AP Mgr Int IP192.168.0.11Virtual GW IP1.1.1.1RF group namerfgrp1SSIDxxxxClient Static IP?noCountry Code802.11a/b/g statusenabledRadio resource mgmt statusenabled I've run dhcpd debug on both the controller and the ASA and I see the DHCPD requests on the controller, but I never see them hitting the ASA.
I don't have the specific version of code it's running, but I know it's 6.0. One of my local Cisco account engineers found some Cisco CSC bugs referencing this issue. One TAC cas even referenced stripping all security off the WiFi, connecting the client and then reimplementing the security again.
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Mar 24, 2013
Our offcie use WLC2100 Series controller with AIR-LAP1031 and successfully join and running. Now i am trying to replace one ap with AIR-LAP1041N and join with WLC, but i can't and below the error message generate:
[code]....
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Sep 5, 2011
I have a Cisco controller WLAN solution where I want to bridge traffic locally on a remote site, when using Cisco 1140 LWAPP.Is the only way H-REAP ?
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Sep 18, 2012
our customer in France, it deploy access points AIR-LAP1142K-E-K9 in france but also in morocco.from Cisco's documentation and Azlan, it is not possible to purchase AP AIR-LAP1142K-E-K9 to the customer in Morocco. but it's possible only the item AIR-LAP1142K-I-K9.We have an issue: the WLC (version 7-0-220-0) is in france country code (FR) and regulatory domain (-E) and APs are in morocco.the regulatory domain (-I) is not supported in country (FR ), the interface 802.11a is not supported.
1/ is it possible to activate 802.11a on AIR-LAP1142K-I-K9 ? how can it be done ?
2/ or we must make an exchange AIR-LAP1142K-I-K9 by AIR-LAP1142K-E-K9 ?
3/ the morocco's customer said that it's possible to purchase AIR-LAP1142K-E-K9. is it true ? on the website Cisco: url... for morocco: the customer, can it purchase AIR-LAP1142K-E-K9 ?
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Dec 15, 2011
At customer site we have a wireless lan installed with wireless lan controller 5508. This works fine but the customer wants to add wireless bridge WET200 into the network. The problem is that the bridge seems to authenticate and associates with the LWAPP but does not get an ip-address.
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Dec 15, 2010
We have setup a bridge between two of our offices using two WET200's in adhoc mode. Everything is connected fine and the signal strengh is good. All traffic pass's over the bridge correctly but DHCP requsts/replys seem to be failing to traverse the bridge. Our DHCP server is hosted on site A and the computers on site B fail to obtain thiers IP's from the dhcp over the bridge requiring us to use static IP's.Firmware is currently the latest.
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Mar 4, 2012
A little background on me: I do performance testing for a large corporation, so networking is like an old hat for me - but this has me spinning because it makes no logical sense to me.Here's the layout of my home network:CableModem(passthrough) -> WRT120N -> ENH200 (Access point) -> ENH200 (Client Bridge) -> Netgear N600Both the WRT120N and the Netgear N600 are providing wireless access to clients at both locations. N600 is set not to route or DHCP, and the WAN port isn't used.Initially the WRT120N wasn't in play because the cable modem was serving DHCP, but it wouldn't successfully send DHCP to most clients on the other side of the client bridge. So I installed the WRT120N (old, I know) and it was able to serve up DHCP to any and all systems... for a while. Now DHCP doesn't appear to be working fully again on the Netgear side of the bridge. One device registers in the WRT120N, the client list shows the mac as getting assigned an ID, but the device never actually pulls the address. Static works fine. Those that already have DHCP addresses work like a charm, so I know the link is stable. pingtest.net reports near perfection.
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Oct 25, 2012
At my work we have Comcast Business Class, and our LAN uses the Comcast's SMC static 10'net addressing. Our two POS computers are connected to wall ports that connect to the SMC router (unsure its model number, it's screwed to the wall). There is only 1 LAN port for each POS computer, I am trying to setup a 3rd computer up by the POS stations for dedicated web searching of products, emails between HQ and the other stores.
Like I said our LAN is using the 10'net addressing, and only a single port I can use. I would like to use the E1200 as a bridge/switch to connect: POS computer, network label printer. and network printer/copier/scanner/FAX .. and also have wifi available. The POS & printers need to have their static 10'net IPs .. but I want the wifi to use DHCP from the E1200.
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May 7, 2012
it's possible to implement that on any Cisco Wireless Devices, so All I need is create one wireless account with timer for 1 hour, so SSID as guest without any password and once you connected it works only for 1 hour then disconnects and you can't connect again. Then create second account where you can browse timelessly but you need a password to connect there.
1. Is it possible to do that using one or two SSID, or password changes?
2. Is it possible to do that on Wireless controller WLC2100 series, or AP1000, AP1100 series, or AP500 series?
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Jan 7, 2013
I have a Cisco Wlan Controller 2504 with 1042N AP (3-nos) every thing was working fine from past 2 months. Now i am getting a issue with clients which are connected to the wireless AP, they are not able to get an dhcp IP address from the 2960 Switch (DHCP Server). The clients are getting IP address as 0.0.0.0. [code]
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Nov 8, 2012
Region : UnitedStates
Model : TL-WR702N
Hardware Version : V1
Trying to use TL-WR702N in bridge mode at a hotel. For some reason, every time I set the DHCP parameters to enable DHCP, then save and reboot, upon reboot DHCP is disabled. Of course, without DHCP then bridge mode is useless because I cannot then share the hotel wifi connection with multiple devices.Am I missing something obvious, or is there a trick to getting DHCP to be accepted?
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Aug 10, 2011
I have a 5508 WLC controller at the HQ with the employee ssid ,the dhcp scope on the ssid is 10.120.0.0/16 network.
However,I want this same ssid to be brodcasted to a remote site using HREAP access point but with different dhcp scope 10.102.0.0/16.
I have tried creating another interface for the remote site with a different dhcp scope(10.102.0.0) but the controller wont allow me create another wlan with same ssid that existed before to apply the new interface created for.
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Nov 7, 2012
All controllers are in version 7.2.111.3.C1 is a 5508, it is ou anchor controller.C2 is a 5508, it is a big site controller.C3 is a 2504, it is a small site controller. C2 and C3 are in the same mobility group than C1 (and all is up up in mobilty managment). When "DHCP Addr. Assignment" is enable on C1 : Clients on C2 received their IP address by our external DHCP server via C1 and the guest tunneling betwenn C1 and C2 and all is working fine. Clients on C3 don't received their IP address by our external DHCP server via C1 and the guest tunneling betwenn C1 and C3, so nothing work.
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Apr 8, 2008
I am trying to setup a guest vlan. I set up an interface for the guest vlan on my 4402 controller. I assigned the guest vlan interface an IP of 192.168.2.10 with a 24 bit subnet mask.
This vlan will go to my DMZ where there is no DHCP server so I need to setup the internal DHCP server. I created a new scope but I'm having trouble with what to put in the Network field for the DHCP scope. The pool addresses are 192.168.2.100-200. with a 24 bit subnet mask.
Every time I try to apply the configuration I get an "error in setting DHCP scope network and netmask".
I've tried using:
192.168.2.10
192.168.2.255
192.168.2.254
as entries for the Network setting but no go. The docs say to enter the IP address used by the management interface with subnet mask applied.
I was assuming they meant the interface for the guest vlan.
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Jul 2, 2012
While configuring a 5500 wireless controller, i came across this option of DHCP proxy under Advanced tab of Controller Option.It asks for the dhcp option 82 remote id format & the dhcp timeout.
1. What is the significance of this & when do we use it?
2. Also, under each wlan ssid that we create, there is an option of dhcp address required under the advanced tab. Do we need to use this option, if we are defining a normal dhcp pool in our controller for that ssid.
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Mar 20, 2013
How to disable dhcp proxy on controller and what is the impact of doing it in the middle? We tried once by giving 'config dhcp proxy disable' command but seeing virtual ip again.(likely it gets back to proxy mode). We also have ip helper address on the L3 interface. We have only external dhcp servers configured..
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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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Feb 28, 2013
i have two 5508 ver 7.3.0, one is the primary and one is the guest controller. mobility is up and running. i have an exising guest ssid working with wpa2-psk and web authentication and its working fine but i require a second guest ssid that only uses a wpa2-psk for ipod/ipads as i cant use passive client on primary controller. i presently have the one vlan range and dhcp setup on the guest controller to give addressing to either ssid. i know you can have multiple ssid setup on the guest controller but in other sites i have only had one guest connection comming from the primary controller, just a primary controller on each sites was only creating one link to the same guest controler.
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Jan 31, 2012
I have two 5508 controllers configured with an internal dhcp scope. The scopes on each controller are a /22. I need to expand the scope to provide more addresses. Is there an easy way to add a second dhcp scope without making changes to the existing scope? If so how will the clients devices be able to access that ip address range?
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Dec 5, 2012
We have a 5508 controller authenticates with WPA2-enterprise to 3 possible AAA servers. Today I tried migrating our DHCP server from a Windows 2003 machine to Windows 2008 R2. Migration went smoothly and all wired clients could get IP's. Reservations intact, scopes intact, etc.. you name it. I though it was a great success.
Fast forward about an hour when people started coming into work for the day. Calls started coming in about their laptops not able to connect to the network. I double checked with a spare laptop in our IT department and also my iPhone. Same issue. Seems the only thing I changed today was the DHCP server (from 10.1.1.1 to 10.1.1.2).
After racking my head on it for awhile, I re-enabled the "old" dhcp server (10.1.1.1) and disabled it on the new (10.1.1.2). Instantly wireless clients were able to connect.
Am I missing some configuration step in the 5508 controller when moving DHCP servers? I do plan on running 2 DHCP servers (10.1.1.2 and 10.1.1.10) for redundancy once I get the primary one moved over and working correctly.
I want to decommision the older 2003 server. Its time to raise the domain functional level.
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Jan 3, 2011
I'm adding some additional AP's (3502s) to an environment that is all 1131AG AP's. The DHCP is configured for DHCP option 43 for remote sites for layer 3 discovery. Since only one AP mode can use option 43, I've added a DNS entry for cisco-lwapp-controller in my local domain.My assumption here is that the new 3502's will be able to use DNS for discovery, while any additional 1131AG would continue to use DHCP option 43. will this work in a mixed environment?The new AP briefly showed up on my controller, but then disappeared. The LED is cycling red, green, off - indicating it is still in the discovery process. Could I effectively remove the option 43 in DHCP and have all AP's use DNS? Is this as reliable as option 43? What is the best practice for discovery?
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Feb 23, 2012
In our test set up, we have two WLC 5508 Controllers connected via Checkpoint UTM-1 firewall Inside and DMZ Interfaces. Both the WLC controllers are connected to the firewall via Cisco 3750 switch. On the Local (Inside) Controller, guest SSID is enabled and attached to the wireless management Interface. On the remote anchor controller, guest SSID is enabled and attached to the Management Interface as well. The following configs are replicated on both the Controllers.
SSID Name - guest
Interface - Management ( VLAN 10 on Local and VLAN 20 on remote) -
Mobility Group: Same configs at both ends
SSID Anchor : Anchor SSID on local and local SSID on Anchor.
AP: CAPWAP 3502 Management Subnet
[code]....
Is there any thing missing in the wireless configs and or the firewall rules as i could not see DHCP request back from the Anchor Controller. Also, after DHCP is obtained, the web authentication request will be redirected to an Amigopod device for authentication. In this case is the redirect URL congiguration to be performed only on the Anchor Controller or is this to be replicated on both the Local and Anchor Controllers.
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Aug 4, 2012
We have 2 DHCP controlled networks at our work:
Network 1: EOC connection. We use this for Internet access, office computers, a POS server and our POS systems. Mostly windows xp and some win 7 systems. Server is Windows 2008 server, but is not controlling DHCP nor a domain. It's just a computer on the network. Directly behind the EOC box is a router using DHCP to manage a 192.168.1.x network. All computers on this network are using 192.168.1.x addresses via DHCP.
Network 2: Comes in on a separate DSL line. Primarily a Linux network controlling several linux based machines. This network has it's own router behind the DSL modem managing DHCP using 175.69.1.x (or something close to that) addresses.
Someone decided to "bridge" these networks by simply plugging each network into the same switch via Cat 5 cable. Bad idea.
The first problem we had (of course) was that the DHCP servers conflicted immediately, so we had to set half of this "mongrel" network to static IPs like 192.168.1.x, and the other computers are getting their addresses via DHCP from the 176.68.1.x network router.
This works - badly. The second router keeps "resetting" the server address on network 1, screwing up our POS systems. But we still need to access the linux machines on network 2 (via http) from the office machines on network 1.
I am thinking the solution to this issue is to place a 3rd router as a bridge between the two networks. Is this correct?
The goal is to be able to be sitting at machine 192.168.1.x on one network, open a web browser, type in a 176.67.1.x address and have the linux web-based application come up from the other network.
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Aug 12, 2012
I know that the 3600 series APs are not supported on the 4404 WLC. However, would the following scenario be supported? I would like to use the 4404 (software rel. 7.0) as a guest anchor with a 5508 (software release 7.2) as the foreign controller supporting series 3600 APs. I ask because the APs do not need to join the guest anchor.
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Jun 2, 2013
We have a customer that have 2 5508 as primary and backup controller and a 4400 as an anchor controller. We plan to upgrade the 5508 to 7.3.112.0 and the 4400 is already 7.0.116.0. Will there be any issue if the anchor controller is not the same code as the foreign controller? Do I also have to upgrade the acnhor controller to 7.0.240.0?
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Mar 31, 2013
We are trying to navigate the waters in choosing between a in-house, controller-based, wireless network solution or a cloud-based solution. We have been presented with the usual suspects in cloud-based (Aerohive, Meracki, etc) and with Cisco (5500) and Aruba on the other side. We are a multi-campus organization with approx. 200 APs.Any hard reasons why go with a controller-based vs. cloud-based solution? If we must keep the conversation limited to Cisco, why go Meracki over Cisco's WLC solutions or vise versa?
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Dec 6, 2012
I am looking to configure a wired and wireless guest network. I have industrial barcode scanners that connect to one SSID and then there is the business network on the office SSID (no vlan seperation for these devices just different SSIDs). There is not really a need to seperate the business network from the scanners in any case. However, there are needs for a guest network and this needs to be seperated. At the bare minumum I would like to have the wireless guest network. Here is what I have: 2125 Wireless LAN controller managing 18 LAPs (1 indoor and 17 outdoors)Cisco Cat 2950 switches (2 x 24 port and soon to be replaced with 2 x 48 port 2960's with 802.1x capability) Sonicwall TZ210 firewallOne existing wired and trunked vlan for PLC infrastructure. One ESXi hosting Windows server guests (soon to be 2 with vMotion) The reason for the wired guest access network is tp prevent anyone from plugging into the wall jack in the office with thier home laptops or anyone else from being on the same subnet as our domain machines. Granted they would be unathenticaed but there would be no layer 2 seperation and that is what I think would be best.
How would I go about doing this on the wireless controller without an anchor controller just using my existing hardware? I would like to have the Guest SSID only availible in the front office. Is it possible to offer a guest network while still servicing the business network SSID on the same access point? Then might I be able to have the guest network be treated as it should at the controller? However this might present another issue altogether as the guest traffic will be over the same wire as the business SSID until it hits the controller for management.
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Feb 10, 2011
I am having trouble adding a computer to the Domain Controller. I have a cable modem running into a di-524 router. The router has DHCP and DNS relay disabled. I set the LAN IP Address of the router to 192.168.2.1. The router is connected to a switch with 10 pc's and a server running 2003. The server has an IP Address of 192.168.2.2. I setup a DHCP server inside 2003 with a scope of 192.168.2.100-192.168.2.199. Under scope options the router is set to 192.168.2.1 and DNS Servers is set to 192.168.2.2 (the ip address of the domain controller). When I try to add the computer it cannot contact the domain controller. Is there something wrong with my DHCP config or DNS?
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Dec 15, 2011
I am struggling with the following issue. I have 6 1130 Accesspoints in lightweight mode connected to a 2106 wlan controller which runs software version 7.0.98.0. Everything seems to work fine. Clients can connect to the wifi network. However, they don't get an ip address from the dhcp server which is on the same subnet as the wlan controller. See attached screenshots for configuration. I have also tried the internal dhcp server of the wlan controller, but the same problem remains.
The logs says: Dropping primary discovery request from AP e8:b7:4x:xx:xx:xx - maximum APs joined 6/6 There are 6 AP's connected
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May 2, 2013
I have a Nexus 7000 Core Switch , and i need to allow the domain controller ip 10.x.x.x for DHCP relay on switch.
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Apr 24, 2012
Can I associate the non-root bridge model 1310 to the root bridge model 1400? Is there any problems on the configuration I need to be aware of?
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Jan 7, 2010
i am placing a formal request to Cisco and to the firmware development team to create a new-and-improved firmware release for the WET200 wireless Ethernet bridge, a product that is still being produced, shipped, and sold. I purchased the product about one-and-a-half years ago and have enjoyed its performance. There have been, however, some flaws with the device, namely the following:While configured to use WPA2-based security, DHCP-related traffic is not passed from a router/gateway's DHCP Server to connected devices on the WET200. Current firmware release notes indicate this was a known issue and was, supposedly, fixed; however, due to the level of problems customers are reporting, it appears this may have only been resolved, if at all, with security configurations of WPA, WEP, or OPEN. It has not been fixed for customers using WPA2-based security.When I originally purchased the WET200 and configured it to use WPA2-based security, while it, initially, did have a few problems connecting to my router/gateway, it, eventually, did connect and stayed connected for, approximately, one year. However, in September of 2009, it suddenly lost connectivity with my router/gateway and has not been able to establish a connection since, even after reinstalling the latest firmware revision and after several soft and hard resets of the device. I tested the WET200 with another router/gateway, only to experience the same issue. Other devices are connecting to my router/gateway, but, not the WET200. The last firmware update for the WET200 was dated back in July of 2008. Currently, it is January 2010 and since these issues have been known for quite some time, it is unacceptable that the firmware for this device has not been updated in such a long time, especially when there are known issues with the WET200's firmware. Such lack of support is forcing me and my clients to stop using these Cisco-based products and purchase competing hardware, something I would prefer not to do; however, without better support, I and my clients do not have a choice. Expecting me and my clients to use an inferior form of security on the WET200, such as WEP and/or WPA, until a firmware update is issued is unacceptable, especially when that update has not been released in over one-and-a-half years. Such lack of support is especially unforgettable when my clients and I are looking to purchase new networking equipment. In the past, I would not have hesitated to purchase a Cisco-based product; now, with this experience in mind, I am finding it very difficult to recommend to a client that he or she should invest their organization's finances into Cisco-branded equipment. Proper, professional, timely, support of your hardware is expected of your customers, especially if you wish them to remain loyal customers. I have noticed that other similar devices, albeit, higher-end devices, have had their firmware updated, more recently, compared to the WET200. I assumed this meant that the firmware development team was updating all firmware on such devices. So far, I have been disappointed in the lack of firmware updates for the WET200. While I understand the possible desire to update the higher-end products, first, as a professional whose job is to research, recommend, purchase, install,configure, secure, and maintain both the enterprise-level and small business-level devices, I highly encourage Cisco not to overlook their small business products when the firmware development team is updating firmware for any Cisco products. Deficiency in the support of one strata of Cisco-based products is reflective upon the support of any Cisco-based product and is not easily forgiven by Cisco customers, such as myself, when new and additional hardware needs to be purchased.
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