ACE Load balancing web page hosted by Microsoft CMS reponding too slow

My pages hosted by an CMS (content managment server), open too slow when passing trought the ace. Any ideas?
Regard's,
Miguel Amaral

2 GB is the minimum memory configuration to run Yosemite at all. Given that limitation you will constantly need to be mindful of the programs you're running.
ESET will only place additional demands on that Mac's limited system resources. Uninstall it. It is capable of nothing beneficial and your Mac cannot operate properly with it installed.
Back up your Mac prior to making any changes to its file system. To learn how to use Time Machine read Mac Basics: Time Machine backs up your Mac - Apple Support.
ESET offers no obvious way to uninstall it. To do that you must use the "Eset Cyber Security Pro Setup Wizard" included with its installation package.
Use the Uninstall icon:
Disregard the blatantly fraudulent "Warning!" that appears:
Lie about the reason in the following step, which cannot be bypassed. ESET's developer is disingenuous and expects the same of its users:
ESET's uninstaller leaves components behind but it is sufficiently effective to render this piece of trash inert.

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Windows Server 2008 R2 - Won't load certain web pages - Happens in all browers - Won't do windows updates

This server (Windows Server 2008 R2 Standard with SP1) is used to host thin clients as well as RDP sessions. One morning the office is fine, they come back from lunch and all of the sudden they can't load certain web pages, such as adobe.com
and pandora.com to name a couple. This was roughly 3 days ago.
1.) I have tried machines that are not connected to this server (not thin client or RDP), but are on the same network, they can load up any web page fine with no issues.
2.) On the server I have tried Opera, Chrome, IE and Firefox, all have the same exact problem.
3.) Tried different DNS servers just to be sure, even though it only effects the server and no one else.
Based on these facts I know that it is something wrong with the server, but not tied to a specific brower. In all browsers when you load up a page in question it just sits there with a blank screen trying to load, it never generates any errors.
The Event Viewer is also clean, no errors. So with no errors I have had trouble trying to find a starting place for this. Things I have tried:
1.) ipconfig /flushdns to try and clear out any DNS issues
2.) Changing the DNS servers for the server to 8.8.8.8 and 4.2.2.2
3.) Scanning for Viruses and Malware/Spyware
4.) Checking proxy settings on the server
5.) Updating and then removing Adobe Flash (thought it was tied to flash at first). Problem persists even with no flash player installed.
6.) Completed a failed update of .net, no effect
7.) Loading up browsers in debug mode to try and find anything in the site code that I could relate between failed sites. I found nothing I could identify
Of all issues to finally be stumped on this seems like an easy one, but I can't even begin to come up with an idea at this point.
I have tried to lay out all of the facts that I know as plainly as I can. I am hoping that someone has seen this before as this issue is effecting a number of differnt users and keeping them from doing portions of their job.
Help is most appreciated, thank you!

I was able to figure out a solution.
CAUSE:
It appears that the Internet isn’t fully up to date and ready to use EDns -- which is enabled on Windows Server 2008 R2 by default. The solution for this is to disable Edns. Note that this isn’t
a problem for most Windows Server 2008 R2 member servers. It’s only a problem for DNS *servers* that do recursive lookups. i.e. likely only your domain controller will be affected if that is where your DNS Server role exists.
SOLUTION:
To disable EDns, you can do it from the command prompt, or by editing the registry.
Create a DWORD called EnableEDNSProbes and set to 0 in HKLM\SYSTEM\CurrentControlSet\services\DNS\Parameters
Restart the DNS Server service for it to take effect.

Ask the Expert: Configuration and Troubleshooting the Cisco Application Control Engine (ACE) load balancer

With Ajay Kumar and Telmo Pereira
Welcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about configuration and troubleshooting the Cisco Application Control Engine (ACE) load balancer with Cisco expert Ajay Kumar and Telmo Pereira. The Cisco ACE Application Control Engine Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers is a next-generation load-balancing and application-delivery solution. A member of the Cisco family of Data Center 3.0 solutions, the module: Helps ensure business continuity by increasing application availability Improves business productivity by accelerating application and server performance Reduces data center power, space, and cooling needs through a virtualized architecture Helps lower operational costs associated with application provisioning and scaling
Ajay Kumar is a customer support engineer in the Cisco Technical Assistance Center in Brussels, covering content delivery network technologies including Cisco Application Control Engine, Cisco Wide Area Application Services, Cisco Content Switching Module, Cisco Content Services Switches, and others. He has been with Cisco for more than four years, working with major customers to help resolve their issues related to content products. He holds DCASI and VCP certifications.
Telmo Pereira is a customer support engineer in the Cisco Technical Assistance Center in Brussels, where he covers all Cisco content delivery network technologies including Cisco Application Control Engine (ACE), Cisco Wide Area Application Services (WAAS), and Digital Media Suite. He has worked with multiple customers around the globe, helping them solve interesting and often highly complex issues. Pereira has worked in the networking field for more than 7 years. He holds a computer science degree as well as multiple certifications including CCNP, DCASI, DCUCI, and VCP
Remember to use the rating system to let Ajay know if you have received an adequate response.
Ajay and Telmo might not be able to answer each question due to the volume expected during this event. Remember that you can continue the conversation on the Data Center sub-community discussion forum Application Networking shortly after the event.
This event lasts through July 26, 2013. Visit this forum often to view responses to your questions and the questions of other community members.

Hello Krzysztof,
Another set of good/interesting questions posted. Thanks!
I will try to clarify your doubts.
In the output below both resources (proxy-connections and ssl-connections rate) are configured with a min percentage of resources (column Min), while 'Max' is set to equal to the min.
ACE/Context# show resource usage
                                                     Allocation
        Resource         Current       Peak        Min        Max       Denied
-- outputs omitted for brevity --
proxy-connections             0      16358      16358      16358      17872
ssl-connections rate          0        626        626        626      23204
Most columns are self explanatory, 'Current' is current usage, 'Peak' is the maximum value reached, and the most important counter to monitor 'Denied' represents the amount of packets denied/dropped due to exceeding the configured limits.
On the resources themselves, Proxy-connections is simply the amount of proxied connections, in other words all connections handled at layer 7 (SSL connections are proxied, as are any connections with layer 7 load balance policies, or inspection).
So in this particular case for the proxy-connections we see that Peak is equal to the Max allocated, and as we have denies we can conclude that you have surpassed the limits for this resource. We see there were 17872 connections dropped due to that.
ssl-connections rate should be read in the same manner, however all values for this resource are in bytes/s, except for Denied counter, that is simply the amount of packets that were dropped due to exceeding this resource.
For your particular tests you have allocated a min percentage and set max equal to min, this way you make sure that this context will not use any other additional resources.
If you had set the max to unlimited during resource allocation, ACE would be allowed to use additional resources on top of those guaranteed, if those resources were available.
This might sound a great idea, but resource planning on ACE should be done carefully to avoid any sort of oversubscription, specially if you have business critical contexts.
We have a good reference for ACE resource planning that contains also description of all resources (this will help to understand the output better):
http://www.cisco.com/en/US/docs/interfaces_modules/services_modules/ace/v3.00_A2/configuration/virtualization/guide/config.html#wp1008224
1) When a resource is utilized to its maximum limit, the ACE denies additional requests made by any context for that resource. In other words, the action is to Drop. ACE should in theory silently drop (No RST is sent back to the client). So unless we changed something on the code, this is what you should see.
To give more context, seeing resets with SSL connections is not necessarily synonym of drops. As it is usual to see them during normal transactions.
For instance Microsoft servers are usually ungracefully terminating SSL connections with RESET. Also when there is renegotiation during an SSL transaction you may see RESETS, but this will pass unnoticed for end users.
2) ACE will simply drop/ignore new connections when we reach the maximum amount of proxied connections for that context. Exisiting connections will continue there.
As ACE doesn't respond back, client would simply retransmit, and if he is lucky maybe in the next attempt he will be able to establish the connection.
To overcome the denies, you will definitely have to increase the resource allocation. This of course, assuming you are not reaching any physical limit of the box.
As mentioned setting max as unlimited might work for you, assuming there are a lot of unused resources on the box.
3) If a new connection comes in with a sticky value, that matches the sticky entry of a real server, which is already in MAXCONNS state, then both the ACE module/appliance should reject the connection and that sticky entry would be removed.
The client would at that point reestablish a new connection and ACE would associate a new sticky entry with the flow for a new RSERVER after the loadbalancing decision.
I hope this makes things clearer! Uff...
Regards,
Telmo

ACE load balancing and testing using soapUI

Hey, I am trying to crowd source a solution for this problem.
A client is testing using soapUI to an application that is being load balanced via ACE. There are two webservers behind the VIP servicing the client request. When client tests, requests are timing out per the soapUI log. A packet capture was taken and it clearly shows that ACE is not forwarding the HTTP data back to the client. When client tests by bypassing the ACE load balancer, it works fine. But, there are other clients from other applications that are making successful connection to the load balanced application via the VIP.
Question, is there any thing unique with making HTTP/XML based requests using soapUI? LB configuration is shown below:
class-map match-all EAI_PWS_9083
2 match virtual-address 10.5.68.29 tcp eq 9083
serverfarm host EAI_PWS_9083
description WebSphere Porduction
failaction purge
probe tcp9083
rserver ESSWSPAPP01 9083
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rserver ESSWSPAPP02 9083
    inservice
policy-map type loadbalance first-match L7_POLICY_EAI_PWS_9083
class class-default
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policy-map multi-match L4SLBPOLICY
class EAI_PWS_9083
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    loadbalance vip icmp-reply active
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parameter-map type http CASE_PARAM
case-insensitive

Hi,
Your configuration looks fine. I am not familiar with soapUI but if it is like a normal TCP connection followed by HTTP requests, i don't see why this shouldn't work.
Do you know if there is a difference while using soapUI and normal request using browser?
Regards,
Kanwal

My internet explorer is not loading any web pages.

My internet explorer is not loading any web pages. Other browser rather than IE is working fine. Tried with reseting but it didn't work. Can anyone help me for this.Thanks

Hi,
Have you tried to open Interent Explorer (No Add-ons), how is the result?
Please refer to this tutorial to troubleshoot:
"Internet Explorer cannot display the webpage" error
http://support.microsoft.com/kb/956196
In addition, Did you configure any proxy ever?
Karen Hu
TechNet Community Support

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* Press and hold Shift and left-click the Reload button.
* Press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
* Press "Cmd + Shift + R" (MAC)
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"Clear the Cache":
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"Remove Cookies" from sites causing problems:
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* [[Troubleshooting extensions and themes]]
* Update All your Firefox Plugins -> [https://www.mozilla.org/en-US/plugincheck/]
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Hi JessN37,
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This is the first time for me trying to configure something like this on the ACE load balancer. I need help configuring a load balancing policy base on URL pattern. URL https://ineedhelp.com base on /willuhelpme and /imlost
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cert: ineedhelp_cert
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serverfarmB
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This is the first time for me trying to configure something like this on the ACE load balancer. I need help configuring a load balancing policy base on URL pattern. URL https://ineedhelp.com base on /willuhelpme and /imlost
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serverfarmA
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Sorry if this isn't the write forum for this kind of question. Please feel free to move it if needed.

Hello Chris,
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Regards,
Chris Higgins

Problems loading certain web pages

Lately, in the past week or two, I have been noticing that Safari wont load certain web pages. It jsut stops and then I get a blank white page with no error message. I have noticed this mostly with Facebook, but also found the same problems with Evite.com when I click the login link. I have tried using Firefox and it seems to d better, especially with Facebook, but it did hang up on it one time. I cant get to the login page on Evite with either browser. I am using OpenDNS, but dont have these things blocked. I can access them fine from a PC laptop through the same connection via my wireless modem.

Carolyn Samit wrote:
HI,
*I cant get to the login page on Evite with either browser*
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I opened Keychain, but there is nothing in there for Evite under passwords?
Try Safari Maintenance
Repair disk permissions...
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Tried this, but still having problems in both Safari and Firefox. Facebook seems to be random, more often not working than it is. Still no login page with Evite?

HT1338 Why is safarai loading certain web pages so slowly?

Why is safari loading certain web pages so slowly?

Emptied the Safari cache lately?
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Open System Preferences > Network > Advanced > DNS
Click + and type:
208.67.222.222
Click + again and do the same.
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ACE Load balancing web page hosted by Microsoft CMS reponding too slow

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