Cisco :: Deploying 4400 Controller As An Anchor For 5500 Controllers?
Jun 7, 2011
in one of the sites, the client has an exisiting 4402 controller which he moved to the DMZ in order to set it as an anchor & he purchased two new 5508 controllers to control the corporate APs. I configured all the parameters needed for the guest anchoring & then I tested the connection but there was an issue. (all the controllers are running the same firmware version)after testing the setup, the guest users could get an IP from the internal DHCP of the anchor controller (in DMZ), but then they cannot reach the internet or anything outside the anchor controller.Cisco confirmed that the 4400 is fully compatible with the 5500 to work in an anchor-foreign secnario as long as they are running the same firmware version. yet, when I temporarily used one of the 5500 controller in the DMZ as an anchor & I applied the exact same configurations on it as the 4400, it worked perfectly without any issues.
note: on the anchor controller (4400), the management & AP-manager interfaces reside on the same subnet & the wireless guest SSID is also mapped to the management interface. (may be this setup is causing the issue) but on the 5500 it is working just fine?
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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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Oct 11, 2012
Actually we have a 4402 controller with 1120 APs both of which are marked as EoL products, we want to jump over the new 2600 APs and 5508 Controller for increase signal coverage but we have the following deals:Last firmware for 4402 controller is 7.0.Firmware needed for 5508 to support 2600 APs is 7.3.Is it possible to configure mobility between 4402 and 5508 even with different firmware branch?
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Aug 23, 2012
I have 2 WLAN controllers, a 4400 series and 5500 series controller. The 4400 series has 100 seat limit on it, with 74 Access Points currently connected. The 5500 series has a 250 max, but we bought it with only 50 licenses, and it is max'd out at 50.The 5500 controller is the controller that has a DNS entry so that the Access Points will know to find that controller as they're being added. BUT, because we've reached our limit of 50 licenses, I'd like to be able to set the 4400 series controller to be the controller that new Access Points try to connect to. By going back to the 4400 as the controller that new Access Points connect to buys me time to plan for more licenses on next years budget for the 5500 controller.
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Aug 16, 2012
We have a Cisco 4400 series wireless controller deployed as a Guest Anchor in a private DMZ. We have 13 foreign controllers anchored to this for Guest Wireless. We recently anchored 17 additional controllers to this Anchor controller. Since we have done that, periodically on just 3 of the foreign controllers, the control path shows down on the mobility peer, then comes back up. We have had this issue in the past, but it resolved itself. However, now we are seeing this issue again. Are we reaching a limit on EoIP tunnels? I have read that there is a max of 71, and that is per controller, not SSID. We do have a firewall in the middle but all necessary ports are open.
We have had this issue for quite sometime, it just does not happen frequently. Since we have added the additional controllers, it is now happpening very often, but only with 3 controllers. There is not much in common with these 3 controllers. 2 are 4400 series, and 1 is a 5508. All 3 are local on a campus LAN, different networks. Could it have anything to do with memory or utilization?
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Jan 28, 2012
I have 2 x Redundant Guest Anchor Controllers (5508) located in 2 separate Data Centers with all the management and guest user VLAN spanned between two. Everything is working fine with the Guest WiFi access except the DHCP functionality as the Controllers are acting themselves as the internal DHCP Servers.
This is how I tried to distribute :
network. 10.1.0.0/23
gateway: 10.1.1.254
Controller 1, DHCP Server pool: 10.1.0.2 - 10.1.0.254 Gw: 10.1.1.254
Controller 2, DHCP Server pool: 10.1.1.2 - 10.1.1.254 Gw: 10.1.1.254
As the user load balancing between the Anchor Controllers cannot be controlled (i.e. they are active/active), the same client sometime getting 2 different IP addresses from both the Controllers (as they do not talk to each other in terms of DHCP) hence depleting the pool addresses.
I guess one way of solving this is to just run 1 DHCP server in one of the controllers but that defeats the purpose of having N+1 Controllers. Is there a better way of doing the DHCP load balancing and having full redundancy at the same time?
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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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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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Jun 2, 2011
We’d like to extend our current Guest LAN from a 4400 WLC in our data center to a 2100 WLC located at a remote facility. However, we cannot get the foreign controller to pass traffic to the anchor controller – or so it seems. The catch is that we’re not actually trying to extend the SSID itself to provide wireless access, but instead flub it so that we can provide local wired access tunneled to the Guest LAN on the anchor WLC. I’m not entirely sure if this is possible, because I’ve read that before the EoIP tunnel will come up a guest client must associate to the foreign WLC.
We’ve followed the instructions we could find that go over setting up this type of scenario, but unfortunately they only cover setting up back-to-back 4400 controllers and as such, some functions described (notably being able to create a Guest LAN) are not possible on the 2100. We haven’t been able to find a clear and concise guide on the scenario we want to set up.
Here’s some detail:
Mobility group is up/up between both WLCs. Both WLCs are running 6.0.x code.
Anchor WLC – 3750G-24WS-S25 (a 4400 WLC w/ integrated 3750G-24)
Guest LAN WLAN “wired-guest” created; Ingress is “none” and Egress is our existing “dirtnet” – i.e. outside access. The “dirtnet” interface is *not* a Guest LAN interface. Mobility anchor is set as local.
Remote WLC – WLC2106
WLAN “wired-guest” created; Interface is “wired” w/ an IP address on the same subnet as the anchor “dirtnet” and associated with port 2. Mobility anchor is set to the anchor WLC and is up/up. I have a laptop connected to port 2 with a statically assigned IP address on the same subnet as “dirtnet.” I am able to ping the local port 2 address, but I can’t ping across the tunnel to the anchor WLC. I also cannot ping the anchor WLC "dirtnet" interface from the foreign WLC’s Ping tool.
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Mar 28, 2012
Currently in the process of migrating from psk to 802.1x radius environment using a mix of 4400 and 5508 controllers with WCS using Microsoft ias. The problem I have is there is a lot of shared iPads and tablets in the environment. Is there a way to force these user to relogin to radius after a certain time period so they are not sharing unames and passwords?
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Jun 25, 2011
We have two 4400 controllers which support 50 Access points each and wcs with 100 base license.Now we added 5508 controller supports 50 access points.wcs is upgraded with another 50 ap license.The 5508 controller is joined to wcs and the licence showing permanent.WCS showing all aps and showing both 100 and 50 licence as permanent.But the issue is while loging into the wcs it showing the error message as"The system is in violation of license.The number of APs registered is greater then licensed."
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Mar 13, 2013
I am looking at deploying a Cisco Virtual Wireless LAN Controller (vWLC 7.3).
Do I need Prime Infrastructure to manage the environment, or can I manage my AP's (1200 series) using the vWLC alone?
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Sep 4, 2012
I have a cisco wireless environment running NCS with a wism, two 4400's, and now two 5500's. The bulk of our AP's are 1131's, however we are now ordering and using 1142's and 3602's. We just added the 5500 controllers in preperation for a large deployment of 1142's. What I would like to do is have the system setup so that the the 1142's will default to the 5500 controllers. Since the wism and 4400 wont support the 3602's its not really an issue for them. I'm trying to find the best way to accomplish this. I've already heard one suggestion of manually going through and setting all the AP's to a primary and secondary controller but I was hoping to find a way to have the system do this for me.
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Apr 21, 2013
I want to use a 5508 as an anchor controller for a wireless guest deployment....but the client has internal 4402's controllers, with software version 7.0.235.0...is it possible tu mix these two controllers for a Wireless Guest Access Deployment??
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May 30, 2012
We have a single 4404 that was setup long before I arrived with Guest networks that timeout and other such tweaks. Is there a document somewhere that shows a way to migrate the old settings to a new 5508 that we are purchasing? By the time the 5508 arrives I will have a very small window to setup the unit before a new wing goes live. I need the new unit as we have reached our limit of licensed AP's on the old 4404. It seems like everyone keeps talking about an easy way but no one says how to do it.
I have never setup one of these units before from scratch so I don't know how long it will take.
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Aug 1, 2011
l need change a wlc 4400 to 5500, but l don´t know what l need back up, and how can I do to join the H Reap APs in the new 5500 WLC because all H Reap APs that l have, are not in the same city , and I understand if l want join AP in the new WLC l need to connect in the same network segment, is it rigth ?
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Nov 26, 2012
We have a WLC (5508) in our main office in Brisbane that is hosting two WLANs. One provides wireless access to our internal network and the second provides wireless guest access. The guest WLAN is anchored to a controller sitting in the DMZ at our Data Centre.
In the DMZ the anchor controller has a management interface and an interface in the DMZ for the wireless guest access. I am using the DHCP server on the anchor DMZ to provide IPs etc to wireless guest clients. The default gateway is 10.8.144.1 which is a VIP or a pair of firewalls.
Initially everything works fine. Guests connect to the guest network, have to authenticate via a web portal (Cisco ISE server) and then can go on an use the internet. Works perfectly until the firewalls fail over and the secondary firewall takes over the VIP address. All access to the internet is lost at that point. If I try to disconnect and then reconnect a wireless client it connects, as in it will get an IP address, but DNS resolution stops and I do not get redirected to the web auth portal. If the firewalls are failed back to the primary then everything works again, no issues. However, if I reboot the WLC while the secondary firewall has the VIP IP everything will work fine as it did on the primary. If the firewalls now fail over to the primary again everything goes to ****. Until either the firewalls are failed back or the anchor WLC is rebooted.
Initially I thought this was an issue on the firewall, but this doesn't appear to be the case. When the firewall fails over it sends out a gratuitous ARP advising of the change in MAC address for the 10.8.144.1 IP address. The WLC seems to update its ARP table because if I run the command "show arp switch" it has the 10.8.144.1 IP address with the MAC address of the active firewall. From the client perspective I have run a wireshark and captured packets on the wireless interface when trying to connect. The laptop is continuously send ARP requests for 10.8.144.1 but gets not reply. Without this the client cannot send an ethernet frame to the gateway and hence get to the DNS server and WEB portal. Internet access breaks. Doing a TCP dump on the active firewall shows it receiving and then sending a reply to the ARP request. It just never gets to the wireless client. Debugging ARP packets on the anchor WLC seems to indicate that the controller is receiving the ARP replies from the firewall. So I'm at a loss as to why things should break when the firewalls fail over.
I have a 3750 switch in the DMZ with SVI of 10.8.144.4. I thought I could get a work around where I would make this the default gateway. The theory being that this interface MAC address would never change. However I was wrong. Even with this IP set as the gateway address for the wireless clients I see the exact same bahaviour when the firewalls fail over. I can't explain it other than to say that the gratuitous ARP sent by the firewalls seems to kill the ability of ARP replies to be sent back to the wireless client.
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Jun 1, 2012
i have a existing wireless network setup in my office existing wlc in 4402 and LAPs are 1130 & 1242 all are working fine but we are now planning to use new 5500 series controllers for the same access points,i want to ask that how i can done this job with very minore downtime and users disconnectivity + zero error results??
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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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Feb 2, 2012
Any link that will give configuration examples of a wireles anchor config with one controller in a DMZ. I have tried this on my own and have some problems in my test enviorment. I believe my issues were with the firewall but not exactly sure.
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Aug 12, 2012
We are using Cisco Wireless solution in our network. Using 4400/5500 WLCs and 3500/1130 series APs.
A new requirement has come up and we need to provide connectivity between two buildings (which are within 1 km) using wireless. This link should be able to give >=100Mbps.
As we already have 3500/1130 APs, can a wireless bridge be established using them which can also give >=100Mbps? Can this be done using a WLC based solution? What I mean is: Do I need to have a standalone AP solution or can it be done while both the APs register to WLC? What are the AP models/antennas that can meet my requirement?
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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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Jan 2, 2012
I'm trying to research the tunnel limits on a 5508 controller if you're terminating controllers to two different SSID's. For example. In my DMZ i have a GUEST SSID for contractors and guests and then I have another SSID used by employees so that tablet and mobile phone users can access the interenet. Because we don't trust any of these devices we have that SSID is termiated just as we do our GUEST SSID.
To reduce the number of anchor controllers I deploy, I wanted to start with one 5508 Controller. (then move up to about 3) This controller would have two SSID's, GUEST & MOBILE. On the Foreign controllers when I setup anchor tunneling I will be anchoring to the same controller however to two different SSID's.
Per the 5508 specs it supports 71 tunnels.
So my question to the group is, will the 5508 see this anchoring as one tunnel each? Or does it support 71 Tunnels per SSID?
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Feb 12, 2013
We have Internal Wireless Controllers to be set up for HA (AP SSO) and wireless traffic from Guest SSID will be terminated on a Guest Anchor Controller inside Firewall DMZ. The Internal WLC controllers are installed with software versions 7.3.101.0, and the Guest Anchor controller is installed with software version 7.2.103.0. Just wondering if the Guest Anchor controller needs an upgrade to match the software versions on the HA controllers. Also, Cisco provides a new version of code, 7.3.112.0 now. So is it recommended to install the new software version on the HA controllers as well as the Guest Anchor Controller.
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Dec 5, 2011
I know that the recommendation from Cisco for the mobility anchor feature to work well is to use the same IOS version on the anchor WLC and local WLC controller. Now I´ll install on a new site a 5508 local WLC with a newer IOS version which is installed on the other controllers ( Guest and local ). Later I´ve planned to update also the other controllers to the same IOS version. Now my question is, must I upgrade all other controller at the same time ?
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Sep 23, 2012
I am in process of replacing our 44xx controllers with new 55xx controllers. During the upgrade, I would like to add redundancy to our guest controllers that reside in the DMZ and had a question about regarding the setup.
If I remember correctly, I would place both guest controllers on the same mobilty group, and then add both of the controllers to the foreign controllers. The foreign controllers will form mobility with both anchors, but choose the one with the lowest MAC address as primary. On the foreign controller, if the lowest MAC addressed anchor controller does not respond, it will connect to the second controller. Is that still true? or is there a better way to go about it?
Also, I was wondering, do I need to put different guest network ranges on each of the Anchor controller? or can I use the same exact range on both anchor controller (since if a controller goes down, the clients would be reconnecting to the second controller anyways?)
Any best way to setup redundant Anchor (guest) controllers).
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Jan 7, 2013
I have a existing wireless setup of 4400 WLC with some AP's connected remotely,now i am migrating the whole setup to the new WLC 5500. All the AP has been registered to the new WLC 5500 except the remote location AP's.As there was no option of giving IP address in GUI of the controller in 4400 WLC, i have changed the controller name and restarted the AP, but even though it is going back to the old controller.
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Nov 6, 2012
We currently have all of our foreign AP controllers on software version 7.0.116. This consists of a mixture of 4400 and 5508 WLC's. Our guest anchor is a 4402 on version 7.0.116. We are replacing the guest anchor with a 5508. We are also upgrading our 5508 wireless controllers to version 7.2 to support the 3600 series AP's. My question is what is the recommeded code that the anchor controller should be on? Should it also be upgraded to 7.2? If we upgrade the anchor controller to version 7.2, will this affect anchoring to 4400 series foreign controllers still on7.0.116?
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Feb 26, 2013
I'm attempting to set up (for testing purposes) a 2nd 'guest' SSID on an internal WLC (WLC-A), and terminate it in a DMZ on an anchor controller (WLC-B). We already have a guest SSID originating on WLC-A and terminating on WLC-B though. Is it possible to originate a 2nd guest SSID on WLC-A?
WLC-A - 2504 (7.2.x)
WLC-B - 5508 (7.2.x)
The problem I'm seeing is I'm getting no DHCP address assigned on the test SSID. If I statically assign IP information I still have no connectivity. It's as if the EoIP tunnel for the 2nd test SSID isn't functional.
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Dec 6, 2012
We are planning a WLAN upgrade and the security policy is to forward wireless Guest user traffic to the DMZ controllers. We are now considering the Virtual WLAN Controller and all AP's will register with the virtual controllers and we will use Flexconnect for Staff and internal traffic that will switch their traffic onto the local switch.
We wish to forward the guest traffic to the DMZ Guest Anchor controller which will be a 5508 controller. This will also offer Office Extend AP service.I have looked at teh virtual controller docs and not very clear if this deployment model is supported. Below is a diagram of what we wish to deploy and is this a supported deployment model.
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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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Jul 30, 2012
We have been deploying 3502 APs remotely to locations with full T1s that backhaul to where I sit at HQ. Both the foreign and anchor controller are here at my location.
I am seeking to rate limit per user the bandwidth each client will get on the guest internet ssid. As you know this traffic is encapsulated in capwap between the AP and the controller so I cant use a standard ACL on the switch or router.
We are trying to keep the guest internet access usage in check on the T1 at any given site so the other ssid's & local lan traffic is not overly competing for the bandwidth.
I found the place to edit the default profiles in the controller but the documentation really isnt clear on best practices.
So I put it to you my fellow wireless engineers to suggest how you are implementing bandwidth management on your wireless guest internet.
Oh and here is my hardware & software levels.
5508wlc - forgeign
4402wlc - anchor
Software Version7.0.230.0
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Jun 7, 2011
I know how to access the GUI from the service port. However, I am not able to access from Port 0. IPs have all been properly set. We have a management VLAN in our enterprise. I have configured the WLC management interface for an ip on that subnet. Port 0 is connected to a 3560G switch. I have set the switch port to be an access port to the management vlan and I have tried to set the switch port as a trunk, with the native vlan set to the management vlan. I am not able to ping nor access the web GUI remotely via the management vlan.
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