Citrix and Content Switches

I'm curious if anyone is using the Cisco Content switches to load balance traffic/sessions across a citrix server farm. Any luck and what type of load balancing method did you use? Round robin? Response time? And do these methods REALLY work with Citrix applications/servers for appropriate load balancing?

I just load balanced two Citrix servers using Cisco CSS11150 load balancing switches. Because Citrix uses login for each user, load balancing required stickyness. I load balanced using cookies. This works great. You need to configure the cookie string in the service. You need to configure prefix and length in the content rule. There are several ways to load balance using cookies. The server needs to set the cookie in the first reply back to the client.
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Tabs and content switcher

We're using a lower version of adf (10g) and using uix. Anybody here who has a sample of using tabs with content switcher.
Basically I want to have 2 fixed tabs and when I click a tab, the content is shown in the same page. The content of the
page basically consists of just read-only VO table..
Appreciate any help.
Thanks!

Hi SarahShay,
You could use JavaScript client object model to retrieve blog posts. You could use the getItemById(id) function to return a single item, or use the getItems(query) function to return multiple items.
An official documentation:
https://msdn.microsoft.com/en-us/library/office/hh185007(v=office.14).aspx
A similar post:
http://blogs.msdn.com/b/sharepointdev/archive/2011/07/19/working-with-the-ecmascript-client-object-model-jsom-in-sharepoint-2010-part-3-nikhil-sachdeva.aspx
Best Regards,
Dean Wang
TechNet Community Support
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact
[email protected]

Cisco WAAS and Content Switching Module compatiblity

We are planning to implement WAAS on our hub's 6500 core switches, so that TCP connections from the end sites users to the servers in the hub can be optimized. But we have the servers VLAN groups under the Cisco CSM module already. Are the client-server connections still able to be optimized by WAAS?

Hi Joe
let's seperate out the two topics here.
a) WAAS traffic interception with wccp
b) CSM
a) when you say vlan 200 is where target servers are connected, is that the CSM client side vlan? or the actual server vlan ?
the bottom line is you need to make sure the interface where you configure "ip wccp 61 redirect in" is recieving traffic from servers towards .
Good reference for WCCP best practices in 6500
http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps708/white_paper_c11-629052.html
b) yes you can configure stickiness for session persistance as in below URL
http://www.cisco.com/en/US/docs/interfaces_modules/services_modules/csm/4.2.x/configuration/guide/addftrs.html
Thanks

I have a new computer from my father that already has his iphone content on it. what do i need to do to switch my phone over from my old computer to the new one and have the new computer sync MY contacts and content to the new computer without erasing

i have a new computer from my father that already has his iphone content on it. what do i need to do to switch my phone over from my old computer to the new one and have the new computer sync MY contacts and content to the new computer without erasing my contact lists and purchased apps?

okay from reading posts it seems if I transfer my backed up info from my old comp to the new one and erase my dad's phone's back up i could reset my phone and it would transfer all my old data back onto the phone, be linked to the new computer and i could proceed. Where do i find the backed up info from my phone?

IPad and Content Redirect in Citrix not playing MP4.

We are trying to enable Content Redirect in a Citrix environment to play videos and show PDFs through a Wiki. We can get the PDFs to show but the videos are not working consistantly. Our assumption was that Content Redirect was not compatable with Apple and Content Redirect would default and open IE in Citrix. However, when testing on MAC Book Pro Contect Redirect works and the videos open in different versions Safari. Why would the videos not work on th iPad?

Hmm... I guess I did, but I don't know why.
I just went to a blog entry with a video: lerner.net/snuggle-bird on my iPad running the latest iOS (just upgraded yesterday) and the embedded YouTube video seems to work fine.
Perhaps you can compare the code on my page with your page and see what's different?
doug

Content switch 11500 and IDS

The public interface of my content switch is mapped to a vlan with public addresses. My servers are on a diffent VLAN --> private address schema. On the VLAN where i define my VIP addresses i also have an intrusion detection system installed. We often see packets on the sniffer that have a private address, this should not be happening. The content switch should only forward packets with an ip = to the VIP and not the actual ip of the server.
It looks like to content switch often doesn't do nat to the vip address.
Can anybody help me on the problem.

the packet that you see is most probably a FIN.
When the client closes the connection, the CSS keeps it open a few more sec to allow the FIN from the server to go through nated.
But if the FIN comes later, it will be forwarded un-nated.
This is well-known.
There is no way to prevent this.
Gilles.

Library empty: live App and content viewer

Hi,
I'm facing a serious problem as our folios of elektrospieler aren"t shown in the App (which is live on the store) nor the content viewer any more.
Library is updating within the branded App "Cannot actualize Library - An error occured" (Bibiliothek kann nicht aktualisiert werden - Es ist ein Fehler aufgetreten).
http://itunes.apple.com/de/app/elektrospieler-games-magazin/id438669889?mt=8
I just updated the App with a binary that I build 1 month ago, but the error was there prior the update.
What can I do? I have no idea why the folios don't even show in content viewer?!
Thanks very much in advance,
Richard

Richard,
maybe, when the issues don't appear in the content viewer anymore this
might have to do with v21, wich requires you to set up the orientations you
want first and then fails to appear on the iPad if you have not added all
orientations.
if your folio is only one orientation and you switched to v21, the folio
settings need to reflect that.
maybe you can try with a new folio, look at the settings in the new folio
window.
this is my initial shot in the dark.
but if you can provide the product Id to James Roche, he might be able to
investigate further.
—Johannes
(mobil gesendet)
Am 14.07.2012 15:56 schrieb "Richard Brammer" <[email protected]>:
Library empty: live App and content viewer created by Richard Brammer<http://forums.adobe.com/people/Richard+Brammer>in
Digital Publishing Suite - View the full discussion<http://forums.adobe.com/message/4557527#4557527

Specs for 11500 Content Switches

I am looking for more specs on the 11500 series content switches. Specs such as http connections per second, tcp connections total.

Ted,
The following link:
http://www.cisco.com/en/US/products/hw/contnetw/ps792/prod_bulletin09186a008017dc5d.html
states that "A Cisco CSS 11506 can now achieve more than 45,000 TCP connections per second and, if configured with 4 SSL modules, can attain over 4000 SSL transactions per second."
Is that what you are looking for?
Keep in mind that performance will be slower with layer 5 rules than strictly layet 4 rules.
-Steve

SAP talking to another sever that is load balancing (with a content switch)

Hi All,
We are retrieving some files from an external server in SAP from an ABAP report using HTTP. The external server is also load balacing on 3 servers. There is a content server (proxy server) which carries the sap request to one of the three servers.
We are able to retrieve the files when we directly connect to one of the three server, However when SAP calls the content server, we get a HTTP code error -404 Status - Not found. Here is the excerpt of code where this error is coming up-
CALL METHOD w_http_client->response->get_status
IMPORTING
code = lv_http_code
reason = lv_status_text.
The external server (content server) is supposed to be transparent and thus SAP should be able to connect. But this does not happen.
Any ideas?
Thanks in advance! Liz

We are now connecting SAP directly one server since we could not connect to the content switch.
Thanks, Liz

Link aggregated between NAS and a switch: the Mac as a very slow access...

Hello,
in my Office we're working with Macs and PCs and all the data is on a NAS.
Here is our configuration:
NAS <-link1->Switch<-Link2->Macs or PC.
Macs are connected with AFP protocol (because SMB is very slow).
We want to use Link Aggregation between the NAS and the switch (with 802.3ad procotol) but when we do that all the Macs have a very slow access to the NAS. But all is OK with the PCs.
What can we do? Is there a problem with macOS X and link aggregation?
Thank you for your help.
Nicolas

Sorry, not sure what the question is exactly.
You must have an Xserve, or Ethernet cards capable of Jumbo Frames for one, I assume the Switch & NAS are capable?
Possible clues...
http://docs.info.apple.com/article.html?path=ServerAdmin/10.4/en/c3ha3.html
http://discussions.apple.com/thread.jspa?threadID=1715388&tstart=0
http://www.macnn.com/articles/04/06/21/link.aggregation.for.macs/
http://www.smallnetbuilder.com/content/view/30556/53/
http://www.afp548.com/forum/viewtopic.php?showtopic=8309

Multiple context on Cisco Content Switching

Hi Everyone
I had new case with Cisco Content Switching design. The current network has two Cisco Content Module (CSM) and each of them response for switching content on one Vlan.
Now i want to reconfigure it, to meet the redundancy requirement. But i don't know Cisco Content Module have same idea of design with ACE on Route Mode.
I want configure CSM with two or more vlan pair in routed mode and it can HA between each other.
Thanks
Phai La Quy

Hi Phai,
Yes you can configure CSM in routed mode with clients in one VLAN and server in another. Pasting the link for your reference. You can find more in routing and switching guide.
http://www.cisco.com/c/en/us/support/docs/interfaces-modules/content-switching-module/26220-csm-config.html
Regards,
Kanwal

Multiple content switches on same subnet

Can anyone confirm if there is an issue having two pairs of content switches (11500s) on the same subnet? The circuit addressing, interface redundancy and VIPs all use the same subnet. Wondering if there would be any issues with the redundancy, arps, etc.. Am stuck with this arrangement during the migration phase of the project.
Appreciate your input.
Rob

Rob,
they can be on the same subnet but they must use different VIP ip addresses.
For the VRRP protocol, you should use different group number on each pair to avoid collision.
Otherwise, that is no problem. I have many pairs like this in the lab sharing the same subnets and this is ok.
Gilles.

Content Switch sending request to both servers

Hi,
I have following configuration on the content switch and it send the request to both the servers. due to two tcp stream from going via two different server it second request fails and generate false alerts.
It was working fine but since last week it is giving lot of false alerts.
content StatePMVQLMVMS_8PR3
    vip address X.X.X.X
    add service W8PRAKLQLM01_StateVMS_8HTTP3
    add service W8PRAKLQLM02_StateVMS_8HTTP3
    advanced-balance sticky-srcip
    port XXXX
    protocol tcp
    active
Please let me know what should I check to get this fixed. I hardly work with content switch.
Is there a way I can set up to send all the request to primary server and when it dies then and only then it send a request to secondary and when primary comes back online it restore back to primary ????
I am fine if it does not load balance .. but at least it stop sending false alerts..
Thanks.

Hi Nilay,
You have configured sticky based on src-ip which means that as long as src IP remains same the user would be sent to the same server.
Now a situation where CSS starts sending the request to different servers could be due to the fact that sticky table was full. In that situation a new connection from same user will be load balanced according to the LB method. If the sticky table is full and none of the sticky entries has expired, the CSS rejects the new sticky request.
You can use sticky-inact-timeout to ensure that sticky entries flush out after they have been inactive for some amount of time.
Please visit the below link for more details about it.
http://www.cisco.com/en/US/docs/app_ntwk_services/data_center_app_services/css11500series/v8.20/configuration/content_lb/guide/cntntgd.pdf
Regards,
Kanwal

What is difference between content switching, content routing...

Hi friends,
I want to know differences between content switching, content routing...
I want to know too, if a Content Engine 566 can caching FTP, HTTPS, Video and so on....
Regards and thank you.
Raúl.

A content engine can cache files transfered via ftp but not https [as the content is encrypted].
It can cache whatever file, including video, audio, ...
Content routing, content switching are just names.
They refer to how the traffic will be intercepted and forwarded to the content engine.
You could simply use a proxy solution and have your users setup their browser to use the content engine as a proxy, or you could transparently intercept http/ftp traffic via a router running wccp, or you could use a Layer7 device like a CSS to intercept the traffic and redirect to the content engine.
Regards,
Gilles.

Content switch "stickiness"

I manage a content switch version: sg0810106. I have a customer that has the following requirements:
The user connects via port 8080 to a VIP on the CSS and the CSS provides them with an Arrowpoint cookie for stickiness. From there If the customer picks CAC authentication, a new session is opened on port 443 to the same VIP on the CSS. The application requires that they be mapped back to the same server they were communicating with on port 8080 to complete the authentication process. The Arrowpoint session cookie is only good for the 8080 session, so the CSS will not use it to map them back to the same server. There are 3 servers mapped to each content.
Is there a way to map a user back to the same server they were mapped to on a different port?
Thanks for the assistance!
Thanks!

Are you terminating SSL at the CSS at all?
The thought that occurs to me is that if not, you could use a single content rule just have no ports specified, and use src-ip (assuming no proxy/nat) do handle sticky.
You may get better help though in the datacentre/applicatio networking forum.
Paul.

Citrix and Content Switches

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