Using a DI-LB604 load balancing on mac

In my office we are using a DI-LB604 load balancing router, since the day they instaled it my internet conecction is not stable, and it works fine for all PCs in the office, i´m the only one ussing Mac

You can take a look at this thread:
http://forums.cisco.com/eforum/servlet/NetProf?page=netprof&forum=Wireless%20-%20Mobility&topic=Getting%20Started%20with%20Wireless&CommCmd=MB%3Fcmd%3Ddisplay_location%26location%3D.2cbfa834
But like I said, if you require more bandwidth per link you need to look at another vendor.

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SSP5: Using multiple JVM for load balance performance?

Sun 12 MAY 2002
Apps 11.0.3
SSP5 patchset I
HP UX 11.0
db 8.1.7.2 (64-bit)
Load 60 concurrent sessions, each spawning 2.5 - 3 http connections.
CPU 3:750Mhz
RAM 8G
Is anybody using multiple JVM for load balance?
What is your ratio of JVM to concurrent iP sessions?
Are you running Apache/Jserv on a server with any other applications, or is Apache by itself?
If you are not using JVM, how many httpd processes do you get before Apache implodes? We stopped in the water at 90 httpd processes, but performance degraded starting at 70 sessions.
Thx - Don

Using Web Cache to load balance servlet-based Forms (6i and 9i) is unofficially supported. I say "unofficially" because we have actual customers doing it and getting support, but the 2 development teams (Forms and Web Cache) haven't actually done any integration testing of this sort of configuration yet. For your case, please contact your Support rep and ask what was done to use Web Cache as a load balancer for Forms6i at METRO in Germany. The Forms product managemment team is writing up a white paper to describe how to do it, but until then, you'll need to go through Support. Please contact me if you want more information.

Windows Network Load Balancing - Virtual MAC Address

Hi All,
I have environment that running 2 Exchange 2010 server with CASHT and join windows network load balancing as a node.
My question is,
If NLB service is restart, is it virtual MAC Address for NLB will change to new virtual MAC Address?
Thanks for response,
Best Regards,
Henry Stefanus

Hi Henry Stefanus,
The NLB work mechanism will not change whether what higher application we used and I am not very familiar with Exchange NLB architecture, may the following KB and article
may help you.
When you use the unicast method, all cluster hosts share an identical unicast MAC address. Network Load Balancing overwrites the original MAC address of the cluster adapter
with the unicast MAC address that is assigned to all the cluster hosts.
When you use the multicast method, each cluster host retains the original MAC address of the adapter. In addition to the original MAC address of the adapter, the adapter is
assigned a multicast MAC address, which is shared by all cluster hosts. The incoming client requests are sent to all cluster hosts by using the multicast MAC address.
Selecting the Unicast or Multicast Method of Distributing Incoming Requests
http://technet.microsoft.com/en-us/library/cc782694(v=ws.10).aspx
The related third party article:
Building NLB Exchange 2010 RTM CAS / HT Servers (Hyper-V) – Part 1
http://blog.morecoffeeany1.com/2010/03/19/building-nlb-exchange-2010-rtm-cas-ht-servers-hyper-v-%E2%80%93-part-1/
I’m glad to be of help to you!
*** This response contains a reference to a third party World Wide Web site. Microsoft is providing this information as a convenience to you. Microsoft does not control these
sites and has not tested any software or information found on these sites; therefore, Microsoft cannot make any representations regarding the quality, safety, or suitability of any software or information found there. There are inherent dangers in the use
of any software found on the Internet, and Microsoft cautions you to make sure that you completely understand the risk before retrieving any software from the Internet. ***
We
are trying to better understand customer views on social support experience, so your participation in this
interview project would be greatly appreciated if you have time.
Thanks for helping make community forums a great place.

Site not found using Sharepoint Designer 2013, Load balance URL and the Front end servers.

Dears,
My SharePoint farm is with the below configuration in our office :
Batch processing server the with Central Administration
Web Front End Sever 1 (http://wfe01)
Web Front End Sever 2 (http://wfe02)
I do have the load balance URL as http://finance.mycompany.com and as per the system administrator it seems configured properly.
In AAM i have mapped the URLs as below for the web application in Central Administration portal:
http://finance.mycompany.com - Default Zone
http://wfe01 - Intranet Zone
http://wfe02 - Internet Zone
I was able to browse the site via the load balance URL : http://finance.mycompany.com, but couldn't open the site using the Share Point Designer 2013. It always says the site not found.
please advise,
thanks,
Ammar

What do the wfe01 and wfe02 aams do?
Are you browsing to the SharePoint site and using SPD on the same computer, is it part of the farm or a seperate client computer?
thanks Alex a lot for your response and appreciate the same.
WFE01, WFE01 is connected to the one central admin on Batch Processing Server (central admin URL is http://SharepointCA:5555 and the SharePoint Web Application is hosted under port 80 on the same server). So the AAM configured on the batch processing server
central admin.
I can connect to the site using the SPD inside the Batch Processing server if i mention the site urs as http://localhost. But not from other client computers by putting the load balance URL - http://finance.mycompany.com.
I can browse the sites directly putting http://wfe01, http://wfe02 and as well as the load balance URL (http://finance.mycompany.com). The custom webparts are getting crashed when i put the web application URL as http://finance.mycompany.com.
thanks,
Ammar

Use message server as load balancing instead of web dispacher for XI in HA

Hi all!
    We are currently upgrading a cluster XI installation from 3.0 to 7.0.
    The idea is:
          Now:    1 node (central instance)
                     1 node (database)
          Future: 1 node (central instance)
                     1 node (database + application instance)
     So we need some king of load balancing between the two instances.
     We already know web dispatcher and all configuration required. However we
were trying not to use it but use the abap/java message server who can also do
the redirect.
     However, once the Exchange Profile has been updated, it does not work.
     If we change "com.sap.aii.connect.repository.httpport" to "8101". Cache refresh stop working with a "Authorization Error". This is really strange because if I try the very same URL in the explorer and I enter the logon data, I have no problem.
     Do you have any experience with this? I mean, is it possible to avoid installing web dispatcher?
     Thanks and kind regards,
           Encinas.

Hi David,
the message server does only a redirect and some XI applications (JAVA and ABAP side) cannot handle the redirect URL.
Therefore in the XI environment you have to use a "real" dispatcher (keeping the session and forwarding the session, instead of redirect) - for example you can use the SAP WebDispatcher here.
Best regards,
Silvia

How to use Webdispatcher as a load balancer?

We have multiple java instances for an EP7.
We want to use a webdispacher to do load balance.
I saw one document before but cannot find it anymore.
Please help. Points guaranteed. Thanks!

Check this SAP help documentation
http://help.sap.com/saphelp_nw04s/helpdata/en/5f/7a343cd46acc68e10000000a114084/content.htm
Regads,
Prasanna Krishnamurthy

11i load balancing web nodes without use of Hardware http load balancer

I am looking at note 217368.1 (Advanced Configurations and Topologies for Enterprise Deployments of E-Business Suite 11i) and some other notes on load balancing but some aspects are not clear.
Aim is to implement load balancing traffic to web nodes without using Hardware ( BigIP, cisco etc) for HTTP layer load balancing.
Which is more preferable between dns or Apache Jserv load balancer ?
Need details like failover capabilities, death detection of node, functionality testing and ways to monitor Apache Jserv load balancer.
Any help in this regard is welcome .
thx
arun

Oracle recommends using loadbalancing hardware rather than using DNS. If you want the features you mention above, you will need a hardware loadbalancer.
http://blogs.oracle.com/stevenChan/2006/06/indepth_loadbalancing_ebusines.html
http://blogs.oracle.com/stevenChan/2009/01/using_cisco_ace_series_hardware_load-balancers_ebs12.html
HTH
Srini

Using Web Cache to Load balance Forms Server application.

Hello,
I apologize for cross posting this question in the Forms and Caching Services forum. But I thought my question will have a better chance.
I have read that it's possible to use Oracle Web Cache as a software load balancer between multiple Application Servers.
We are running Oracle9iAS R1.0.2.2.2a, with Forms/Reports6i servers on 2 Win2k boxes i.e our Forms6i application is deployed on two seperate boxes in two distinct locations. Users at each location, use their respective App Server url.
Since the application is the same i.e. Forms6i code/fmx is the same for both locations, I am looking into loadbalancing and failover capability that Web Cache might be able to provide.
I AM ONLY LOOKING AT THE LOADBALANCING & FAILOVER capabilities and NOT caching.
So basically all users from both locations will point their browser to this Web Cache and the Web Cache will direct each connection to either of the two boxes. So, if either of the boxes dies, Web Cache will divert the requests to the other box.
My concern is whether Web Cache supports this for the Forms requests that it will receive from the users. We are using Servlet Deployment of Forms, so technically, all communication is going though the HTTPD.
Has anyone done this or has any ideas as to whether it's going to work or not? Oracle's FAQ insists that Forms is not supported. But I want to make sure that even loadbalancing is not supported. And if not supported then is there any other solution.
Any comments appreciated.
Thanks,
Manish

Using Web Cache to load balance servlet-based Forms (6i and 9i) is unofficially supported. I say "unofficially" because we have actual customers doing it and getting support, but the 2 development teams (Forms and Web Cache) haven't actually done any integration testing of this sort of configuration yet. For your case, please contact your Support rep and ask what was done to use Web Cache as a load balancer for Forms6i at METRO in Germany. The Forms product managemment team is writing up a white paper to describe how to do it, but until then, you'll need to go through Support. Please contact me if you want more information.

How to use default route achieving load-balancing?

show me an example
thanks

Hi Friend,
If you have 2 default route with same admin distance you can have equa load balancing.
Something like this
ip route 0.0.0.0 0.0.0.0
ip route 0.0.0.0 0.0.0.0
Now because these 2 default routes have equal admin distance so both will be peferred and will result into equal load ballancing.
HTH, if yes please rate the post.
Ankur

Problem to use SAPServer Class with load balancing

Hello,
We use the SAPServer Class from SAP .Net Connector 1.0.
On our system, we want to start the RFC Server to use the logon group.
I didn't find how to use ServerMessage and LogonGroup with one of constructors.
When we start the SAPServer with the command line -aUSER -gBEAUSR201 -xsapgw10 from the DB server (BEAUSR201) it's Ok,
but when we start from one of our application Server (for example -aUSER -gBEAUSR213 -xsapgw13 ) it's KO
we have this message on the trc file.
ERROR file opened at 20041125 084739 Paris, Madrid, SAP-REL 620,0,1622 RFC-VER 3 683864 MT-SL
T:13188 ======> Connect to SAP gateway failed
Connect_PM TPNAME=USER, GWHOST=BEAUSR214, GWSERV=3314
LOCATION    CPIC (TCP/IP) on local host
ERROR       hostname 'BEAUSR214' unknown
TIME        Thu Nov 25 08:47:39 2004
RELEASE     620
COMPONENT   NI (network interface)
VERSION     36
RC          -2
MODULE      ninti.c
LINE        385
DETAIL      NiPHostToAddr
SYSTEM CALL gethostbyname
COUNTER     1
What is the solution ?
Thanks

Hi,
The message server and Logon group are there for balancing the load among application servers within a SAP system. You are using the SAPServer class to implement an external RFC server that usually serves the request from SAP servers. So using message server and logon group with an external server doesn't make sense.
I understand that both your DB server and the application server in question are Windows machine with .NET runtime installed and you started the SAPServer programs directly from Windows command line. If so, the error message for the KO case says that the hostname BEAUSR214 could not be resolved from the application server. I also noticed that the hostname BEAUSR214 in error message doesn't match the hostname BEAUSR213 given in command line.
Can you ping BEAUSR213 or BEAUSR214 from the application server in concern?
Regards,
Guangwei Li

Using reverse proxy for load balancing

Hello,
i have succesfully configured a reverse proxy ( Sun Web Server 7 ) to balance load between two application servers ( Sun Application Server 9.1), however i do not want randon assignment of requests using a round robin algorithm ( default option in Sun Web Server 7) but rather i want to apply a 80/20 rule so that one application server will receive 80% of the requests and the other will receive 20%.
Is there a way of performarming such a task.
your help is really appreciated.
thank you

thank you for the reply,
actually i tried it yesterday and it seems to work.
in my reverse proxy settings i added one server two times and the other once and 66% of the requests were forwarded to the first server.
now i have enabled the scenario that you are mentioning above and i so far requests seem to be proceced using the 80% 20% scenario.

Using CS150 to load balance

Using the CS150 to load balance between two or three servers, want to filter the HTTP url that is returned from the server to the client. It is showing the port number and a login.... ie.
http://weblogic:771/login.asp
I want to remove the :771/login.asp
Any ideas? Having a hard time finding any documentation on Cisco web site.
Bill

Bill,
In general, the CSS will NOT modify a URL being sent to a client from a server. The can send a "redirect url" back to the client given certain criteria coming in from the client. As far as return traffic to the client from the server, the CSS simply routes or mac forwards the data without any manipulation of the url. The only thing the CSS will modify is the ip address of the server in a NATing senario.
Regards
Pete Knoops
Cisco Systems

Using AE with Load Balancing Router?

Hi,
I have two Adsl cable from differents ISPs and one Airport Express (AE), I'm using one adsl in AE and wireless from AE works normaly, when the adsl link fails I change to another ADSL cable. I bought a Dlink DI-LB604 (Load Balance Router) that has 2 Wan ports to receive the two ADSL cables that I have. My question:
Will the Wireless network work if I connect my AE in to Dlink Router using Ethernet cable?
Tks
fsoato

fsoato, Welcome to the discussion area!
My question: Will the Wireless network work if I connect my AE in to Dlink Router using Ethernet cable?
It should. It shouldn't be any different than connecting it to any other Ethernet connection.

HTTP logs not created when using software load balancer

This is my setup:
1. I have a server running a software load balancer - call it A
2. There are two servers clustered under A - call it X and Y
3. I am able to access the application deployed on X and Y through A.
Fail-over also works. Shutting down X when the application is up and running routes the requests to Y and vice-versa. All is well until this point.
Problem is:
Let us take server X.
$ORACLE_HOME/Apache/Apache/logs does not have an access log in it. (It
however has an error log.)
Access logs are not created when accessing the servers in the cluster (X and Y) through the load balancer URL.
However, when accessing the individual servers in the cluster (with their URLs), access logs are created.
Specifics on the setup:
1. A, X, Y - all three are OAS 10.1.3.2
2. All three are deployed on individual server machines
3. All three servers have one OC4J instance each running in them
4. The software load balancer used is from WebLogic 8.1sp5 - basically to create a *.war file that has the details of X and Y (servers in the cluster)
5. This *.war file is deployed on A
6. Server A, the one that has the software load balancer, DOES NOT have AS control. One of the other servers in the cluster does.
Has anybody encountered this problem before? Or is there anything wrong
with the setup? What is the resolution for the same?
Any help is greatly appreciated.
Thank you.

Thank you, Jacco. You are right in saying that the software load balancer does not route the request to Apache and hence the logs are not created.
While the logs are not critical to the component we are working on, was just wondering why they were not being created.
As regards your comment on FastCGI, there is a FastCGI directory created under $ORACLE_HOME/Apache/Apache/logs - but there is nothing in it. Neither do the error logs have any information pertaining to FastCGI.
Anyway, I am not going to worry about this issue anymore - may be sometime in the future will try to use a different software load balancer and see if it makes any difference.

Load Balancing FTP Server thru CSM using a single Client IP

Hello,
We have a need to load balance 3 FTP servers. These servers are reached only from a single client IP which is a database server. The FTP method that is being used is currently passive. Our configuration is currently unidirectional, ie, the FTP client (the one database server) sends to the VIP and the FTP Servers then talk directly back to the FTP client and the traffic does not go back through the CSM. The problem is that because FTP negotiates another port to talk on, we have to use sticky so that the connection is sent back to the original FTP server that sent the FTP data port to talk on. But, since we only have a single client IP that is ever used we are not load balancing appropriately across the FTP servers.
Traffic flow goes something like this, tcp port followed after colon as an example
1. FTP Client ----> VIP:21
2. CSM ---------> FTP Server:21
3. FTP Server --------> FTP Client(FTP server says come talk to me on port 1700)
4. FTP Client ---------> VIP:1700
5. CSM ---------> FTP Server:1700
6. FTP Server:1700 ---------> FTP Client
repeat steps 4 thru 6
Here's our hardware and software:
WS-X6066-SLB-APC running 4.2(2)
Config is as follows
module ContentSwitchingModule 9
ft group 101 vlan 9
priority 10
vlan 216 client
ip address 10.209.16.31 255.255.252.0
gateway 10.209.16.1
vlan 20 server
ip address 10.209.0.31 255.255.252.0
alias 10.209.0.11 255.255.252.0
probe ICMP1 icmp
interval 3
failed 3
receive 3
serverfarm FHEPRT
no nat server
no nat client
real 10.209.0.72
inservice
real 10.209.0.73
inservice
real 10.209.0.71
inservice
probe ICMP1
sticky 106 netmask 255.255.255.255 address source timeout 3
policy FHEPRT_POL1
sticky-group 106
serverfarm FHEPRT
vserver FHEPRT1
virtual 10.209.16.71 any
vlan 216
unidirectional
serverfarm FHEPRT
replicate csrp connection
no persistent rebalance
slb-policy FHEPRT_POL1
inservice

You are missing "service ftp" config in the Vip definition. Try the following
vserver FHEPRT1
virtual 10.209.16.71 tcp ftp service ftp
Syed Iftekhar Ahmed

Using a DI-LB604 load balancing on mac

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