Guest anchor across different versions

Hi all,
I'm looking for information on the issues that could arise or what the impact is of a guest anchor between WLC's with different versions.
There is a 4400 in the core running 7.0 and a 2504 in a branch running 7.2. I need to extend a web auth guest SSID to the branch.
7.2 is required because of 2602 AP's.
Looking for information and experiences.
Cheers
Darren
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Here is a compatibility matrix
http://www.cisco.com/en/US/docs/wireless/controller/5500/tech_notes/Wireless_Software_Compatibility_Matrix.html#wp102554
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RMAN backup, restore across different versions

OS : Solaris 10
I have an RDBMS software only installation of 11.2.0.3 in a server ---> Server B
I have my source DB running on another server which is of version 11.2.0.1.0 -----> Server A
Is it possible to take RMAN backup of the source DB of version 11.2.0.1.0 and use it create a DB of 11.2.0.3.0 in server B ?
Is the same possible for 10.2.0.1.0 to 11.2.0.3.0 ?

I believe its this
alter database open resetlogs upgrade;The startup has to be either MOUNT or NOMOUNT ( double checking )
Create a spfile and then
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Copyright (c) 1982, 2011, Oracle. All rights reserved.
Connected to an idle instance.
SQL> startup nomounth2. Super example
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alter database open resetlogs upgrade ; throwing error
Best Regards
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LWAPP to CAPWAP across different software versions. ?

Hi guys,
I was wondering if someone could clarify what happens when you have controllers live on two different software versions..
We have 4 controllers.. 2 on version 4.2, which APs currently register to with LWAPP and 2 new ones on version 7..
On WCS, I have moved an AP currrently registered on a version 4.2 controller and reassigned it to the newer controller ( ver 7 ).
The AP then reboots and I can see in the event logs that it comes back up on LWAPP after resolving the entry CISCO-LWAPP-CONTROLLER.
On WCS, the AP shows as registered back on the old Controller ( ver 4.2 ) but the Primary and Secondary Controllers are still pointing to newer ones ( ver7 )..
According to the Cisco document, the transfer from LWAPP to CAPWAP should be seemless, so is this a problem migrating across different software versions. ? Will the AP sort itself out eventually.
If I console into the AP and statically assign the new controller IP address, this forces the AP to download the newer software version ( after multiple auto reboots ) and it comes up on CAPWAP.. This shows that the path between the AP and controller is ok..
Ideally, Im hoping that I can simply reassign our current APs to the new controller ( and onto CAPWAP ) rather than having to console into all our remote APs and statically reconfigure them.. Not fun !!.
Any advice would be appreciated..
Thanks.
Jon.

Hi Nicolas,
Thanks for the reply..
Yes I agree that, once on version 7 it will perform a lookup for " cisco-capwap-controller ".. I forgot to say in my original post that I had already check this and it does resolve correctly to the two newer controller IPs.. If I console into the AP and manually define the newer controller IP address, it all goes through sucessfully and I can see the discovery and correct registration process in the logs
So we know that it kind of works but Im hoping that there is a simplier solution from within WCS where I can do all this remotely, rather than consoling into every AP locally.
Your suggestion of inputting the new controller IPs in WCS instead of the names sounds good however, it needs to be on version 7 first to be able to do this ? As you say, there is a field for this in version 4.2.... Looks like there is a bit of chicken and egg going on here !!.
Any other ideas or thoughts would be appreciated.
Many thanks.
Jon.

Best way to migrate Applications across environments of different versions

Hello Gurus,
Source EPM Environment - EPM 11.1.1.3
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Guest Anchor

Hi All,
I have a question if a guest anchor can support multiple VLANs for one SSID over EoIP? With AP groups this is possible, for example one SSID can be the same in different locations (meaning different VLANs/dynamic interfaces) but can this be done with a guest anchor?
To setup a guest EoIP tunnel the interfaces are defined as Management (on foreign WLC) and a guest-dmz interface (on the anchor WLC). If you are using say web-authentication and try agin to use the same ssid with another interface (guest-dmz2) there seems to be some problem. anyone come across this before or know of a solution? i could configure different ssids to the different interfaces but wonder if it could be possible using the same ssid...there seems to be some limitation
Any suggestions?
Cheers
Matt

No.
AP-Groups only work with the APs, and since mobility is passed with the controller IP, there is no way for AP groups to function on the Anchor.
Now an interesting feature request might be to do a controller-group override, so that all clients from controller X go to one interface, and controller Y go to another, but I've never heard anyone ask for it.
Bottom line, as far as i know, is that you're going to need two different SSIDs to have clients in different interfaces on the Anchor

How do I fix colour picker to work across different colour-managed monitors?

Hey everyone!
I'm assuming this problem I'm having stems from having colour-calibrated monitors, but let me know if I'm wrong!
To preface, this is the setup I have:
Windows 7
3 monitors as follows, all have individual colour profiles calibrated using the Spyder 3
Cintiq 12WX
Dell U2410
Dell 2409WFP
Photoshop CS6 - Proofed with Monitor RGB, and tested with colour-managed and non-colour-managed documents
I usually do most of my work on the Cintiq 12WX, but pull the photoshop window to my main monitor to do large previews and some corrections. I noticed that the colour picker wouldn't pick colours consistently depending on the monitor the Photoshop window is on.
Here are some video examples:
This is how the colour picker works on my Dell U2410: http://screencast.com/t/lVevxk5Ihk
This is how it works on my Cintiq 12WX: http://screencast.com/t/tdREx4Xyhw9
Main Question
I know the Cintiq's video capture makes the picture look more saturated than the Dell's, but it actually looks fine physically, which is okay. But notice how the Cintiq's colour picker doesn't pick a matching colour. It was actually happening the opposite way for a while (Dell was off, Cintiq was fine), but it magically swapped while I was trying to figure out what was going on. Anyone know what's going on, and how I might fix it?
Thanks for *any* help!
Semi-related Question regarding Colour Management
Colour management has always been the elephant-in-the-room for me when I first tried to calibrate my monitors with a Spyder colourimeter years ago. My monitors looked great, but Photoshop's colours became unpredictable and I decided to abandon the idea of calibrating my monitors for years until recently. I decided to give it another chance and follow some tutorials and articles in an attempt to keep my colours consistent across Photoshop and web browsers, at least. I've been proofing against monitor colour and exporting for web without an attached profile to keep pictures looking good on web browsers. However, pictures exported as such will look horrible when uploaded to Facebook. Uploading pictures with an attached colour profile makes it look good on Facebook. This has forced me to export 2 versions of a picture, one with an attached colour profile and one without, each time I want to share it across different platform. Is there no way to fix this issue?
Pictures viewed in Windows Photo Viewer are also off-colour, but I think that's because it's not colour managed... but that's a lesser concern.

I think I've figured out the colour management stuff in the secondary question, but the weird eyedropper issue is still happening. Could just be a quirk from working on things across multiple monitors, but I'm hoping someone might know if this is a bug/artifact.
Going to lay out what I inferred from my experiments regarding colour management in case other noobs like me run into the same frustrations as I did. Feel free to correct me if I'm wrong - the following are all based on observation.
General Explanation
A major source of my problems stem from my erroneous assumption that all browsers will use sRGB when rendering images. Apparently, most popular browsers today are colour-managed, and will use an image's embedded colour profile if it exists, and the monitor's colour profile if it doesn't. This was all well and good before I calibrated my monitors, because the profile attached to them by default were either sRGB or a monitor default that's close to it. While you can never guarantee consistency on other people's monitors, you can catch most cases by embedding a colour profile - even if it is sRGB. This forces colour-managed browsers to use sRGB to render your image, while non-colour-managed browsers will simply default to sRGB. sRGB seems to be the profile used by Windows Photo Viewer too, so images saved in other wider gamut colour spaces will look relatively drab when viewed in WPV versus a colour-managed browser.
Another key to figuring all this out was understanding how Profile Assignment and Conversion work, and the somewhat-related soft-proofing feature. Under Edit, you are given the option to either assign a colour profile to the image, or convert the image to another colour profile. Converting an image to a colour profile will replace the colour profile and perform colour compensations so that the image will look as physically close to the original as possible. Assigning a profile only replaces the colour profile but performs no compensations. The latter is simulated when soft-proofing (View > Proof Colors or ctrl/cmd-Y). I had followed bad advice and made the mistake of setting up my proofing to Monitor Color because this made images edited in Photoshop look identical when the same image is viewed in the browser, which was rendering my images with the Monitor's colour profile, which in turn stemmed from yet another bad advice I got against embedding profiles . This should formally answer Lundberg's bewilderment over my mention of soft-proofing against Monitor Colour.
Conclusion and Typical Workflow (aka TL;DR)
To begin, these are the settings I use:
Color Settings: I leave it default at North American General Purpose 2, but probably switch from sRGB to AdobeRGB or ProPhoto RGB so I can play in a wider gamut.
Proof Setup: I don't really care about this anymore because I do not soft-proof (ctrl/cmd-Y) in this new workflow.
Let's assume that I have a bunch of photographs I want to post online. RAWs usually come down in the AdobeRGB colour space - a nice, wide gamut that I'll keep while editing. Once I've made my edits, I save the source PSD to prep for export for web.
To export to web, I first Convert to the sRGB profile by going to Edit > Convert to Profile. I select sRGB as the destination space, and change the Intent to either Perceptual or Relative Colorimetric, depending on what looks best to me. This will convert the image to the sRGB colour space while trying to keep the colours as close to the original as possible, although some shift may occur to compensate for the narrower gamut. Next, go to Save for Web. The settings you'll use:
Embed Color Profile CHECKED
Convert to sRGB UNCHECKED (really doesn't matter since you're already in the sRGB colour space)
and Preview set to Internet Standard RGB (this is of no consequence - but it will give a preview of what the image will look like in the sRGB space)
That's it! While there might be a slight shift in colour when you converted from AdobeRGB to sRGB, everything from then on should stay consistent from Photoshop to the browser
Edit: Of course, if you'd like people to view your photos in glorious wide gamut in their colour-managed browsers, you can skip the conversion to sRGB and keep them in AdobeRGB. When Saving for Web, simply remember to Embed the Color Profile, DO NOT convert to sRGB, and set Preview to "Use Document Profile" to see what the image would look like when drawn with the embedded color profile

I want to connect to a network printer hp cp1518ni with different versions of windows (win7& winxp)

I want to connect to a network printer hp cp1518ni with different versions of windows (win7 & winxp) . My pc with win 7 work ok but the pc with win xp not "see" the printer on the network. What is the additional driver should I install?
thanks
This question was solved.
View Solution.

Hi @OHIMATAS,
I see by your post that you are unable to network the printer to the Windows XP computer, but the Windows 7 computer is connected. I can help you with this.
Make sure the Windows XP computer is connected to the correct network name, not a Guest network either.
Print a configuration page to get the printer's IP address.
Printing a Configuration Page.
Try and access the printer's Embedded Web Server on the Windows XP computer.
Type the IP address into your web browser's address bar. (Internet Explorer)
Did it load the webpage?
If you can't access the printer's EWS, then check the IP address on the computer to see if the first 3 sets of numbers match the printer's IP. They have to match to be on the same network.
Go to start, type run in the search box, type in cmd, then type ipconfig.
Check the IPV4 address.
Now check the IPV4 address for the printer.
Do the first 3 sets of numbers match?
Try and ping the printer.
In the same window, type ping printers IP address (space between ping and IP address)
What are the results?
Run the add printer wizard through printers and faxes, if you were able to access the printer's EWS.
Please provide in detail the results if you are still having issues.
Have a nice day!
Thank You.
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Gemini02
I work on behalf of HP

Can i use Internal DHCP on WLC Guest Anchor (5508) with Foreign HA 5508

DHCP Proxy is required in order to use local WLC DHCP Pool (Guest Anchor), however reading Wireless Q&A (http://www.cisco.com/image/gif/paws/107458/wga-faq.pdf) states that both foreign and guest anchors must have :
In a Wireless guest access setup, the DHCP proxy setting in the Guest Anchor controllers
and the internal controller must match. Else, DHCP request from clients are dropped and you
see this error message on the internal controller......
However if you have N+1 you cannot use internal DHCP, does this also "grey" out the DHCP Proxy global setting? If so will the Guest Anchor still work with a internal DHCP pool even though foreign and guest controllers have a mismatch in DHCP Proxy (global) setting?
Many Thanks
Kam

Well it should still work... dhcp proxy is required on the WLC that has a dhcp scope. With the newer code versions, you can enable dhcp proxy on a per interface do this doens't have to be global.

Multicasting with a guest anchor configuration.

Hi All
First time posting. :-)
I have a guest anchor controller in our DMZ servicing Apple devices. We are looking at options for using Apple TV to display/stream presentations from executive iPads and such. Since it uses bonjour (multicast) would I be able to utilize the new features available in 7.0.116.0 to implement this solution? I have 4 WiSM 1s servicing the headquarters building and one 4402 guest anchor. I believe this is possible based on the note in the document: VLAN Select and Multicast Optimization Features Deployment Guide; specifically the section:
Note: In a Guest Tunneling scenario, roaming between export foreign and export foreign is supported. However, roaming between export foreign and export anchor is not supported with VLAN Select.
In case of Auto Anchor:
Clients joining a foreign WLC, which is exported to an anchor WLC and mapped to a interface group, will receive an IP address in round robin method inside the interface group.
Clients joining a foreign WLC, which is exported to an anchor WLC and mapped to a interface only, will receive an IP address from that interface only.
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Since I only have one guest anchor, I would assume based on this that I would fall under the export foreign - export foreign option and implementing this would be possible.
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Thank you for information, I have the same problem. So I made a search on EoIP tunnel and Multicast.
http://www.cisco.com/en/US/products/ps6366/products_qanda_item09186a00808b4c61.shtml
Q I have a guest tunneling, Ethernet over IP (EoIP) tunnel, configured between my 4400 Wireless LAN Controller (WLC), which acts as the anchor WLC, and several remote WLCs. Can this anchor WLC forward subnet broadcasts through the EoIP tunnel from the wired network to wireless clients associated with the remote controllers?
A. No, the WLC 4400 does not forward IP subnet broadcasts from the wired side to the wireless clients across the EoIP tunnel. This is not a supported feature. Cisco does not support tunneling of subnet broadcast or multicast in guest access topology. Since the guest WLAN forces the client point of presence to a very specific location in the network, mostly outside the firewall, tunneling of subnet broadcast can be a security problem.
unofortunately it seems that multicast over EoIP does not work.

Mobility Group Requirements for Guest Anchor WLC

Hello -
I've alway assumed you can't create a guest tunnel between a local WLC and an anchor WLC that are in different mobility groups.   However, I was told recently (without much detail) that this is possible. So I have set out to test this.
I am trying to point one of my local WLCs guest SSIDs to a guest anchor WLC in a different mobility group.   I have a maintenance window coming up and I am looking to anchor the clients on one campus to the anchor WLC on the other campus so guest service does not go down.   Each campus is it's own mobility group.   In trying to set this up I went to the "mobility anchors" screen for the guest SSID on one of the local WLCs and I am unable to add the anchor WLC from the other campus because it's non in the drop-down menu. This is because it's not in the same mobility group.   So my question is how do I anchor clients coming through a local WLC in one mobility group to an anchor WLC in another mobility group?
To me it doesn't seem possible without significant configuration changes.   I don't want to reconfigure/recreate mobility groups.
Thanks
Chuck

Not only is it possible, I would recommend it. However, you may be confusing some concepts.
The Mobility Group is different than the Mobility Domain. I generally refer to the Mobility Group as those WLCs with the same Default Mobility Group Name, and the Mobility Domain as the entire Mobility List (where you can define up to 72 controllers from various mobility groups).
The point is that if WLCs 1-10 are GroupA, and WLCs 11-20 are GroupB, for anchoring to work you at least need to add the anchor to the mobility list of the foreign wlc, and vice versa.
If you notice, when you add a mobility entry to the list, it should ask you for mobility group. If you leave it blank, it should default to that of that WLC, but on GroupA controllers, you could define GroupB controllers (and specific GroupB) and then you should now have mobility established between your controllers and the Anchor configuration will have your anchors in the drop-down....
Does that make sense?

Java Cache Viewer shows duplicate URL with different versions

In doing some testing lately we have come across a couple of situations where the same URL is showing in the JAVA cache viewer with different versions to them. In the case of a 1.7 JRE this is not causing any adverse effects however when utilizing a 1.6 JRE we are getting messages about mixed mode for the JAR files.
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Guest Anchor N+1: Failover Time

Hi Wireless Experts,
Wondering if any one tested how fast a foreign WLC would detect an internet guest anchor WLC went down and switch the internet traffic to the EoIP tunnel to the other guest anchor WLC?
From the end user experience, I assume the guests would expect service interruption and a new login screen to reconnect. Is it correct?
Thanks
Cedar

Usually it will switch once the mobility is shown as down. The foreign wlc will then have to send the traffic to the other anchor WLC and if your using webauth or possibly a different subnet, then that is the amount of time it will take. WebAuth, the clients will have to authenticate again.
Thanks,
Scott
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Guest Anchor N+1: Multiple guest WLANs and Mobility List

Hi Experts,
We are going to replace two guest anchor controllers WLC4402 sitting in different DMZs with two WLC5508 as N+1 redundant pair in one DMZ.
I assume each guest anchor controller should support multiple guest WLANs. Is it correct?
And between these two new anchor WLCs, do they need to add each other to Mobility List?
Or maybe I should ask first, does it matter if they are in the same mobility group or not?
Thanks
Cedar

N+1 for guest anchors isn't what N+1 was designed for. N+1 was designed for redundancy for WLC's supporting access points, not mobility anchors. This solution might work, but I really doubt Cisco will support this setup, but I can be wrong.... you can always talk with your local Cisco SE or open a TAC case and ask.
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Thanks,
Scott
Help out other by using the rating system and marking answered questions as "Answered"

DHCP loadsharing with redundant Guest Anchor Controllers

Hi
I have 2 x Redundant Guest Anchor Controllers (5508) located in 2 separate Data Centres 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
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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 loadbalancing and having full redundancy at the same time?
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Regards

Thanks Scott, I understand that it's quite obvious to get an external DHCP Server, unfortunately it's not an option for us The weired thing is, it seems when a client joins the guest WiFi, both the Anchor Controllers (both functioning as DHCP servers with mutually exclusive IP Address space) are providing IP addresses. While the client accepts only one the other Controller still reserves the IP address unused and hence depleting the DHCP Pool.
I thought for load balancing (in the very beginning) the Foreign controller will forward the DHCP request to only one of tthe Anchor Controllers, but in reality it's forwarding it to both. I have tested this with only one test AP, so mobility doesn't seem to be an issue here. Any thoughts?

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Guest anchor across different versions

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