Oracle Metrics Load Balancing

I am trying to research the method of load balancing using Oracle Metrics Server/client. Does anyone know of any useful resources ...I am looking for something which can give a brief overview of how this works and what is required plus also something along the lines of a step by step configuration guide.
If anyone can help it would be much appreciated.

try this,
http://oracleinstance.blogspot.com/2010/08/transparent-application-failover-taf.html
http://oracledba-videos.blogspot.com/2009/11/transparent-application-failover-taf.html(video)
if you have metalink access, Check the Oracle Metalink Notes.
Note:226880.1 - Configuration of Load Balancing and Transparent Application Failover
you can find n number of threads in our forum search
some References:-
load balancing in RAC
Load Balancing on RAC Test
Load Balancing with 10g RAC

Similar Messages

Oracle Portal Load Balancing question

Our customer wishes to have multiple Oracle Application Servers running Oracle Portal, with load balancing. They would like to have Web Cache collocated with one of these Portal servers, operating as a load balancer for the Portal servers (including the one collocated with Web Cache). Our understanding is that this is not supported, since Web Cache must use the same port number as the destination server it is load balancing, and this is a problem with collocation. The alternative of using mod_oc4j load balancing by OHS is we understand not supported for Portal. The customer does not wish to use external, hardware load balancers, or operating system load balancing. We understand that the solution is to use Web Cache on a dedicated separate server, to load balance the Portal servers. Can you please confirm that, or is collocation possible to avoid the cost of the dedicated Web Cache server.
thanks,
Message was edited by:
user582458

<<
We understand that the solution is to use Web Cache on a dedicated separate server, to load balance the Portal servers. Can you please confirm that, or is collocation possible to avoid the cost of the dedicated Web Cache server
>>
You are right .. if the client does not want use load balancer you have no other choice.

Oracle RAC load balancing sessions

Hi Gurus,
I have just implemented SAP on a 2 node RAC. We had RAC1 shutdown for maintenance, and all sessions were failed over to RAC2. Upon bringing RAC1 up, all the sessions remains connected to RAC2. New sessions are load balance between the 2 nodes. Hence, RAC2 is much busier than RAC1.
How can I distribute the sessions/load in oracle upon bringing back a RAC node?
Thanks,
Tzyy Ming

Hi,
>> I am using 11g scan. I have switched all the scan services to RAC1. RAC2 has over 300 sessions. After the entire afternoon, RAC1 only manage to build up less than 100 sessions, while RAC2 still has 300 sessions. Most users are connected to SAP throughout the day. It will be nice if we can average out to 200 sessions on each node.
You shoudn't expect that a SAP workprocess kills itself and connect to another resource during the runtime, in order to RAC1. So, newly created processes may be connected to the newly startup RAC node. Because of this RAC2 has 300 and RAC1 has 100 sessions on it.
>> Relocating the service manually requires human intervention and creates human error. How can we configure RAC so that it knows 1 node is busier than the others and automatically redirect the connection to the lighter node?
As far as I know that this is manual operation, not automatic
I hope that it is clear
Best regards,
Orkun Gedik

Oracle Weblogic Load Balancing/Clustering

Can anyone tell me what the recommendation from Oracle is on how to best set up load balancing?
We currently use the configuration.properties file to identify the 2 servers we load balance. We will be implementing additional servers in the near future and we were wondering if this is the best way to load balance 4 or more weblogic servers or if there is some other way.
We set up one cluster address to utilize these servers and use a separate hardware load balancer device.
HRDEV\webserv\hrdev\applications\peoplesoft\PORTAL.war\WEB-INF\psftdocs\hrdev\configuration.properties
# To enable jolt failover and load balancing, provide a list of application server
# domains in the format of; psserver=AppSrvr:JSLport,...
# For example: psserver=SERVER1:9000,SERVER2:9010,SERVER3:9020

As this is peoplesoft specific configuration
Please try positing here:
https://community.oracle.com/community/oracle-applications/peoplesoft_enterprise/peoplesoft_general_discussion?customTheme=otn
Best Regards
Luz

Oracle RAC Load Balancing

I have Oracle 10g RAC database with 6 node installed. Now i want to do load balaning for few users not for all.
Suppose i have users a,b,c,d & e are there and i want to redirect the login of users a,c & e throgh node 5. How can i achieve this using server side load balancing ?
Thanks in Advance.

973407 wrote:
I have Oracle 10g RAC database with 6 node installed. Now i want to do load balaning for few users not for all.
Suppose i have users a,b,c,d & e are there and i want to redirect the login of users a,c & e throgh node 5. How can i achieve this using server side load balancing ?
Thanks in Advance.Create a service for each group, entering that service name in the connect string, and providing those users with the appropriate tnsnames.ora or application.
You middle-tier could handle this using the correct jdbc connection based on some info retrieved from the database. I will leave it up to you to take the suggestions and figure out how to develop the scenario you described.
Isn't It is also about time you upgraded to something that is still supported? 11g will make some of these issues a whole lot easier. You CAN use 11g Cluster/ASM with your 10g database until you can get your db upgraded. I have upgraded a boat-load of 10g databases to 11g - always < 2hrs start to finish. In many cases converting from single-instance to RAC in the same upgrade session. YMMV.

Oracle RAC - Load Balancing Problem

Our J2EE application transactions (Container-managed) are using MULTIPLE database connections to complete one business transaction.
Recently we swiched to below Oracle RAC configuration, and it is creating problems.
BEA 8.1 SP5 Multi Pools
Oracle 9i RAC (2 instances) : Active - Active
Algorithm : Load Balancing
Driver (JDBC) : Oracle 10g Release 1 Thin Driver
non-XA transactions
Looks like when LB algorithm is chosen, the load balacing is only **connection-aware** and NOT **transaction-aware**. Because of this, the application gets one connection from one RAC instance, and other from other instance is creating problems.
Is there any work-around exist for this problem?
If we chose, HIGH_AVAILABILTY algorithm, everything is fine. But we would like to make use of both instances.

Srinivas Chintala wrote:
Hello Joe,
Here is the configuration:
<JDBCConnectionPool DriverName="oracle.jdbc.OracleDriver"
InitialCapacity="10" MaxCapacity="30" Name="rac_node1"
PasswordEncrypted="{3DES}5M6WvgV8GsA=" Properties="user=apps"
StatementCacheSize="20" Targets="app_cluster"
TestConnectionsOnCreate="true" TestConnectionsOnRelease="true"
TestConnectionsOnReserve="true"
TestTableName="SQL SELECT 1 FROM DUAL" URL="jdbc:oracle:thin:@usplgmnvmdb001.iweb.com:1521:prod_1"/>
<JDBCConnectionPool DriverName="oracle.jdbc.OracleDriver"
InitialCapacity="10" MaxCapacity="30" Name="rac_node2"
PasswordEncrypted="{3DES}5M6WvgV8GsA=" Properties="user=apps"
StatementCacheSize="20" Targets="app_cluster"
TestConnectionsOnCreate="true" TestConnectionsOnRelease="true"
TestConnectionsOnReserve="true"
TestTableName="SQL SELECT 1 FROM DUAL" URL="jdbc:oracle:thin:@usplgmnvmdb002.iweb.com:1521:prod_2"/>
<JDBCMultiPool AlgorithmType="Load-Balancing" Name="appmutlipool"
PoolList="rac_node1,rac_node2" Targets="app_cluster"/>
<JDBCDataSource JNDIName="appdatasource" Name="AppDatasource"
PoolName="appmutlipool" Targets="app_cluster"/>
ChintalaHi, OK, that looks fine, except:
1 - I would define the initial and max capacity = 30, for performance and stability.
2 - For more performance, turn off test-on-release. It's a waste of cycles.
3 - You can change your TestTableName to "SQL BEGIN NULL; END;" which goes
even faster than "select 1 from dual".
And the main problem is:
4 - Your JDBCDataSource doesn't seem to be a transactional one, so any
application code that gets connections from that, will get independent
connections each time, and their work will not be included in any WLS
controlled transactions. You want to make/use a JDBCTxDataSource.
Joe

Oracle RAC load balancing advisory services query

Hi,
I have a query on RAC load balancing advisory.
Is it possible to create a service for exeuction of a PL/SQL package?
We have UNIX batches which are set of PL/SQL packages that may or may not be linked are executed daily. These batches consumes lots of resources.
So i want to configure my services such that say pkg1 will go to node1 and pkg2 will go to node2 and so on and so forth.
Is it possible to achieve this with Net services and LBA?
If not, is there any other way i can do this?
Thanks
AT
Message was edited by:
Amit Trivedi

Hi, my answers are:
Is it possible to create a service for exeuction of a PL/SQL package?Yes, that is posible, you can create a service for execute PL/SQL Packages, in fact you can create any service that you need and assign the resources and priorities for this service.
Is it possible to achieve this with Net services and LBA?Yes, thats posible, you define the priorities at service level and where the service must run at node level.
If not, is there any other way i can do this?Yes, if you dont wish using the LBA and services you will must create statict definition into tnsnames file for operate connection string and indicate where must connect the session for execute the package.
Luck.
Have a good day.
Regards.

Oracle RAC Concept - load balancing

Hello All,
I have a question about Oracle RAC and how it balance loading.
What I know about Oracle RAC that it balancing load between its node, so if a new session is connected to the Database it will execute on the node which have less load.
If I am having an application that connects to the database with few number of sessions and some sessions have huge (huge load) processes to execute while the other sessions are executing small process (in terms of load).
So below is an example scenario that i am asking for an answer of it:
if am having a two node RAC database.
My application that is connected to this RAC database wants to execute three processes P1, P2 and P3 each will have a session correspondingly S1, S2 and S3
Let is say that P1 will take 60% of the database resources (memory ....) and P2 will take 1% and P3 1%.
So my question is it a sessions load balancing or Processes load balancing ? So in case and randomly (Managed by ORACLE RAC) S1 is connected to node 1 and it is using node 1 resources so the load on node 1 will be 60%, so when S2 and S3 needs to connect it will go to node 2 since node 1 is loaded. in that case i will have Node 1 using 60% of it is resources (becuase of S1 that is executing P1) while node 2 only uses 2 % (because of S2 and S3 that is executing P2 and P3).
Is that how Oracle RAC works ? or it balance the load of S1 (60%) between node 1 and node 2 ?
I am asking this question since my application is not users application, so it will connect to the database with few number of sessions, and 1 session of them may execute a huge process while the other are executing small processes.
So in that case, how RAC is doing the balance loading?
Regards,

i hope , this links may help you.
Thread: Server side Load balancing in RAC
Server Side Load Balancing Testing
read Oracle documentation:
http://www.oracle.com/pls/db102/search?word=server+side+load+balancing&partno=
http://www.oracleracexpert.com/2010/01/oracle-rac-load-balancing-and-failover.html
http://www.databasejournal.com/features/oracle/article.php/3659411/Oracle-RAC-Administration---Part-15-Connection-Load-Balancing-and-FAN.htm
http://oracleinstance.blogspot.com/2010/08/transparent-application-failover-taf.html

Oracle Applications 11i Load Balancing does not work with RAC one Node

Hi all,
Could you help me to resolve this issue.
Architecture environment is :
- One APPS tier node
- Two nodes Oracle Database Appliance (Primary node 1 holds INSTANCE_1 et Secondary node is configurured to holds INSTANCE_2), i.e RAC one Node.
- The primary node have instance_name SIGM_1 and the secondary node have instance_name SIGM_2, but in RAC one node, the secondary instance is not alive.
We convert our EBS 11i environment to RAC following note ID Using Oracle 11g Release 2 Real Application Clusters with Oracle E-Business Suite Release 11i [ID 823586.1].
When testing Database failover, Oracle Applications 11i load balancing does not work anymore.
The root cause is that, when the primary node of the Rac one node is down, the INSTANCE_NAME_1 is automaically relocating to the surviving node,.
During test failover, we imagine that when the primary node goes down, the secondary node start or relocate database with instance_name SIGM_2, and in that case the Oracle Applications load balancing works.
Currently, when the primary node goes down, the instance_name SIGM_1 is relocated on the secondary node, which cause failure of Oracle Applications Load Balancing.
Thank you for your advice.
Moussa

This is something I observed a long time ago for Safari (ie: around version 1). I'm not sure this is Safari, per se, but OpenSSL that is responsible for the behavior. I'm pretty sure Chrome does this and I've seen some Linux browsers do it.
What I have done at the last two companies I've worked for is recommend that our clients do not use SSL SessionID as the way of tracking sticky sessions on web servers, but instead using IP address. This works in nearly all cases and has few downsides. The other solution is to use some sort of session sharing on your web servers to mitigate the issue (which also means that your web servers aren't a point of failure for your users' sessions). (One of the products I supported had no session information stored on the web servers, so we could safely round-robin requests, the other product could be implemented with a Session State Server... but in most cases we just used IP address to load balance with). The other solution is to configure your load balancer to terminate the SSL tunnel. You get some other benefits from this, such as allowing your load balancer to reduce the number of actual connections to the web servers. I've seen many devices setup this way.
One thing to consider through this is that - due to the way internet standards work - this really can't be termed a bug on anyone's part. There is no guarantee in the SSL/TLS standards that a client will return the same SSL Session ID for each request and there is not requirement that subsequent requests will even use the same tunnel. Remember, HTTP is a stateless protocol. Each request is considered a new request by the web server and everything else is just trickery to try and get it to work the way you want. You can be annoyed at Safari's behavior, but it's been this way for over 5 years by my count, so I don't expect it to change.

Load balancing URL setup for planning application 11.1.2.1

Hi Gurus,
There is an existing planning environment with Weblogic/ Oracle HTTP load balancing setup. I just would like to know where would exactly be the generic/ common URL (the URL without actual servername) configured for planning and SmartView?
Is there any properties file (weblogic/ HTTP) where we will mention those details?
Thanks,
Siva

I am not sure I get what you are asking but planning can be accessed through workspace or by
http://<ohs_server>:19000/HyperionPlanning
and Smart View http://<ohs_server>:19000/workspace/SmartViewProviders
If you want to understand about the configuration you can run a registry report.
Cheers
John

Load balance not work,still sending new connects to node at100% CPU usage

Trying to verify that Oracle RAC load balancing ( using Load Balance Advisor and services) is working before I recommend changes to a production RAC DB.
Even though I bury (100%CPU usage) one of 2 nodes ,new connections(using a new service I created and set GOAL=SERVICE_TIME and CLB_GOAL = SHORT ) still connecting there.( connection split stays at 50/50) . Any ideas why ?
nodes are HP Itanium ( hpux 11.23) , database version is 10.2.0.5
There are 2 RAC databases on this cluster (one TEST and one Model Office)
srvctl config service -d gdrm -s BATCHQ_GDRM_SERVICEBATCHQ_GDRM_SERVICE PREF: gdrm1 gdrm2 AVAIL:

Hi Dan,
you will have to point all your systems to the Web Dispatcher in the SLD. If you don't do this, the browser will always retrieve the URL to the central instance, bypassing the Web Dispatcher. After you configured as the system to contact the Web Dispatcher, the browser will receive the URL of the Web Dispatcher and send the request to the Web Dispatcher.
On the Web Dispatcher, you'll have to configure an appropriate rule to handle that request. You can use 1 IP and different ports. Each port means another system. Or several virtual IPs and the same/different port.
IP1:8001 -> WD -> BI 1
IP1:8002 -> WD -> BI 2
or
IP1:8001 -> WD -> BI1
IP2:8002 -> WD -> BI2
In this case, you can keep the flexibility of using several backend systems with different names/IPs/Ports and one Web Dispatcher.
For refence, you can consult the following 2 documents:
General Information about how to use Web Dispatcher:
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/8105db90-0201-0010-cfbe-ae94d43e2e48
How to implement Web Dispatcher as a single point of entrance
p. 40-42: "
Internet Connectivity to SAP Applications.pdf"
(Unfortunatly, I'm right now not able to locate this document again in SDN, but it exists somewhere. Good luck!)
br,
Tobias

Load Balancing & Fault tolerance in Oracle Apps

Hello
I am pretty new to Oracle Apps and Oracle 9iAS
We are trying to asked to find out the ways of deplying load balancing and fault tolerance in Oracle Apps
I have gone thru the following articles of metalink and some more from google
Configuring Web Cache as a Load Balancer for Application Servers
Create new middle tier node in existing Apps 11i environment using cloning and then load balance
Integrating and using Web Cache with Forms 9i for Load Balancing
Running Multiple OC4J Instances From a Single Install of 9iAS 1.0.2.2
LOAD BALANCING ORACLE APPLICATIONS ON UNIX
Load Balancing in 11i
OC4J Clustering Setup
OC4J Load Balancing for Forms 9i
Setting up 11i E-Business suite using a hardware load balancer
Sharing an APPL_TOP in Oracle Applications 11i
In Oracle Apps Concepts pdf, found that
Load balancing occurs when there are multiple installations of web server, forms server, reports server, concurrent manager server etc
Lets consider forms server component of middle tier
Can there be multiple INSTANCES of forms server within SINGLE INSTALLATION ???
If it has to be MULTIPLE INSTALLATIONS, then it will require multiple physical machines
What is software load balancing then ???
Also read that
Oracle 9i AS instance is combition of Oracle HTTP Server (OHS) and one or more instances of Oracle9iAS Container for J2EE (OC4J)
Thus software load balancing can be implemented for Web server component of middle tier using multiple instances of OC4J ???
Forms metrix server configuration is hardware load balancing ??
What about Oracle9iAS Web Cache clustering ??
Please clarify the doubts and suggest me the way
Thanks a lot

dear all can any one help me on the following;
We want to install Oracle Apps 11.5.9 on 4 IBM AIX 5L boxes, the first node
will hold the database , concurrent and Admin Tiers. as for the other 3 nodes
it will hold the Forms/Web Tiers and we need to use forms metrics for load
balancing taking into consideration that we can't use Shared APPL_TOP. we tried
to find the way how to install and configure this solution but all the
documents are talking aboout the concept only and this concept is applicable.
We need the exact steps on how do the installation either using rapidwiz or any
thing else
fadi

Load Balancing - Forms Metrics Server

Hi everyone, i have a doubt, for implemeting Load Balancing with Forms Metrics Server previous i must have configured Shared APPL TOP?
And for Load Balancing JServ also i must have configured Shared APPL TOP in all my applications servers?
Thank you very much for helping

It is not a must, but it is recommended. If you are planning to configure PCP then it is a must.
Implementing Load Balancing On Oracle E-Business Suite - Documentation For Specific Load Balancer Hardware [ID 727171.1]
Thanks,
Hussein

Load Balancer on Oracle Identity Manager 9.1.0.2

Hello friends,
I have configured an environment Oracle Identity Manager 9.1.0.2 on 2 nodes in Oracle WebLogic Server 11g.
As I configured balancer Apache HTTP Server with Apache Proxy Plug-in, when loading the page through a web browser will not display the page of the web management console of Oracle Identity Manager.
Here the result after entering the web address below: http://192.168.1.10/xlWebApp :
(404 Not Found)
Not Found
The requested URL /xlWebApp was not found on this server.
Apache/2.0.63 (Unix) DAV/2 Server at 192.168.1.10 Port 80
Any suggestions for viewing the website of IDM through the load balancer Apache HTTP Server.
Very grateful for the support

httpd.conf is placed at /etc/httpd/httpd.conf, if you are using unix like systems. It's configuration file used by Apache http server. Paste its content to see what functions are configured.
regards,
GP

Load balancing weirdness using NAT and same-metric route

Hi.
I'm trying to set up a double-WAN load-balancing scenario:
I decided to attempt the "multiple same-metric routes with NAT" approach so I went for the example used in the IOS NAT Load-Balancing for Two ISP Connections Configuration Guide [1].
I decided to use an upside-down Cisco 871-SEC/K9: use Vlan1 and Vlan2 for the routers and Fa4 for the LAN. I am hoping this is not an issue.
There is this weirdness with some connections, particularly FTP. I pinpointed the problem to the following scenario: if I do a couple of pings to 100.1.1.1 using the FastEthernet4 as the source address, this is what I get in the logs:
=== PING 1 ECHO REQUEST ===
*Mar 3 04:38:43.521: IP: tableid=0, s=192.168.60.4 (FastEthernet4), d=100.1.1.1 (Vlan1), routed via RIB
*Mar 3 04:38:43.521: NAT: s=192.168.60.4->10.129.124.2, d=100.1.1.1 [14152]
*Mar 3 04:38:43.521: IP: s=10.129.124.2 (FastEthernet4), d=100.1.1.1 (Vlan1), g=10.129.124.1, len 60, forward
*Mar 3 04:38:43.521: ICMP type=8, code=0
=== PING 1 ECHO REPLY ===
*Mar 3 04:38:45.589: NAT*: s=100.1.1.1, d=10.129.124.2->192.168.60.4 [19824]
*Mar 3 04:38:45.589: IP: tableid=0, s=100.1.1.1 (Vlan1), d=192.168.60.4 (FastEthernet4), routed via RIB
*Mar 3 04:38:45.589: IP: s=100.1.1.1 (Vlan1), d=192.168.60.4 (FastEthernet4), g=192.168.60.4, len 60, forward
*Mar 3 04:38:45.589: ICMP type=0, code=0
=== (something else) ===
*Mar 3 04:38:52.353: RT: SET_LAST_RDB for 0.0.0.0/0
OLD rdb: via 10.129.124.33, Vlan2
NEW rdb: via 10.129.124.1, Vlan1
=== PING 2 ECHO REQUEST ===
*Mar 3 04:38:52.353: IP: tableid=0, s=192.168.60.4 (FastEthernet4), d=100.1.1.1 (Vlan2), routed via RIB
*Mar 3 04:38:52.353: NAT: s=192.168.60.4->10.129.124.2, d=100.1.1.1 [14159]
*Mar 3 04:38:52.353: IP: s=10.129.124.2 (FastEthernet4), d=100.1.1.1 (Vlan2), g=10.129.124.33, len 60, forward
*Mar 3 04:38:52.353: ICMP type=8, code=0
=== PING 2 ECHO REPLY ===
*Mar 3 04:38:53.029: NAT*: s=100.1.1.1, d=10.129.124.2->192.168.60.4 [19825]
*Mar 3 04:38:53.029: IP: tableid=0, s=100.1.1.1 (Vlan1), d=192.168.60.4 (FastEthernet4), routed via RIB
*Mar 3 04:38:53.033: IP: s=100.1.1.1 (Vlan1), d=192.168.60.4 (FastEthernet4), g=192.168.60.4, len 60, forward
*Mar 3 04:38:53.033: ICMP type=0, code=0
In the section "Ping 2 Echo Request" line 2 shows the NAT translating the packet to the address for the first provider but line 3 shows it routing it through the second one.
In this case, the ICMP packet goes through but it is problematic if the ISP restricts the service by source-address (like RPF) or there is some acceleration mechanism inside the provider cloud, other than just plain routing.
What am I missing? Here is the relevant part of the configuration. I deliberately disabled CEF to be able to debug the messages, but I *think* this may be altering the actual router behavior. This router does not have a "debug ip cef packet" command.
no ip cef
ip dhcp pool lan-side
import all
network 192.168.60.0 255.255.255.0
default-router 192.168.60.1
domain-name doublewan.local
dns-server 8.8.8.8 8.8.4.4
lease infinite
ip domain name doublewan
interface FastEthernet0
!doesn't appear on running-config: vlan 1 is the default access vlan
!switchport access vlan 1
interface FastEthernet1
switchport access vlan 2
interface FastEthernet2
shutdown
interface FastEthernet3
shutdown
interface FastEthernet4
ip address 192.168.60.1 255.255.255.0
ip nat inside
ip virtual-reassembly
no ip route-cache
duplex auto
speed auto
interface Vlan1
ip address 10.129.124.2 255.255.255.224
ip nat outside
ip virtual-reassembly
no ip route-cache
interface Vlan2
ip address 10.129.124.35 255.255.255.224
ip nat outside
ip virtual-reassembly
no ip route-cache
ip route 0.0.0.0 0.0.0.0 Vlan1 10.129.124.1
ip route 0.0.0.0 0.0.0.0 Vlan2 10.129.124.33
ip nat inside source route-map nat1 interface Vlan1 overload
ip nat inside source route-map nat2 interface Vlan2 overload
ip access-list standard acl4-nexthop-vlan1
permit 10.129.124.1
ip access-list standard acl4-nexthop-vlan2
permit 10.129.124.33
route-map nat2 permit 10
match ip address 102
match ip next-hop acl4-nexthop-vlan2
match interface Vlan2
route-map nat1 permit 10
match ip address 101
match ip next-hop acl4-nexthop-vlan1
match interface Vlan1
control-plane
Of course, there is some configuration pending for redundancy and stuff.
Thanks a lot in advance.
[1] http://www.cisco.com/c/en/us/support/docs/ip/network-address-translation-nat/100658-ios-nat-load-balancing-2isp.html

Hello.
This might be a bug in debug command or the IOS (without ip cef) you use; as routing is done before NAT (inside to outside).
To make sure it works fine with ip cef, just enable strict uRPF (or just ACL) on .1 and .33 interfaces and see if you see any packet sent over wrong interface.
PS: please check "sh ip cef 100.1.1.1"; I guess ip cef would tell you "per-destination sharing".

Oracle Metrics Load Balancing

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