Iip web-cache redirect command problem
Hello,
There is sample in : http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/12112cea/3550scg/swwccp.htm
Fast Ethernet interfaces 0/2 to 0/5 are connected to the clients and they are configure as :ip wccp web-cache redirect in .And Fast Ethernet interface 0/1 is connected to the cache engine and it does not configure as : ip wccp web-cache redirect out.
in : http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/fun_c/fcprt3/fcd305.htm
The sample in this doc is configure as :ip wccp web-cache redirect out.
I want to know the different of :ip wccp web-cahe redirect out and ip wccp web-cache redirect in. And in which condition I shall use ip wccp web-cache redirect out and in which condition I shall use ip wccp web-cache redirect in ?
Sir,
The ip web-cache redirect in command is only a new addition in the late 12.1 and 12.2 train of IOS. Both commands do the same thing except the redirect in is on the interface where client sourced traffic enters the router and the redirect out is on the interface interface of the router. You do no use both at the same time.
My preference is for redirect in as the router does not need to route the packet because wccp picks the packet up on the incomming interface.
Cheers
Phil
Similar Messages
-
Only 'web-cache' gets redirected - no other service groups...
I have a Netcache configured for transparent caching for port 80 and 443. The Netcahce IP is 164.72.49.253. We have a 6509, sup720 IOS. 12.2(17a)SX3, configured to redirect web-cache and 1 to the Netcache. Here is the config:
ip wccp web-cache
ip wccp 1
The 6509 interface that controls the subnet the netcache is on is configured thus:
interface Vlan1
ip address 164.72.49.131 255.255.255.128
ip wccp web-cache redirect out
ip wccp 1 redirect out
We have a PC on another subnet connected to the 6509 that we are using to test the config, and we can only get port 80 to be redirected to the Netchace. HTTPS port 443 never gets redirected. Service group 1 is configed on the Netcache as tcp port 443.
Here is the output of 'sh ip wccp':
ENGLAB-6513-Native#sh ip wccp
Global WCCP information:
Router information:
Router Identifier: 164.72.232.1
Protocol Version: 2.0
Service Identifier: web-cache
Number of Cache Engines: 1
Number of routers: 1
Total Packets Redirected: 3431
Redirect access-list: -none-
Total Packets Denied Redirect: 0
Total Packets Unassigned: 0
Group access-list: -none-
Total Messages Denied to Group: 0
Total Authentication failures: 0
Service Identifier: 1
Number of Cache Engines: 1
Number of routers: 1
Total Packets Redirected: 0
Redirect access-list: -none-
Total Packets Denied Redirect: 0
Total Packets Unassigned: 0
Group access-list: -none-
Total Messages Denied to Group: 0
Total Authentication failures: 0
ENGLAB-6513-Native#sh ip wccp 1 detail
WCCP Cache-Engine information:
Web Cache ID: 164.72.49.253
Protocol Version: 2.0
State: Usable
Redirection: GRE
Packet Return: GRE
Assignment: HASH
Initial Hash Info: 00000000000000000000000000000000
00000000000000000000000000000000
Assigned Hash Info: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
Hash Allotment: 256 (100.00%)
Packets Redirected: 0
Connect Time: 00:33:23
ENGLAB-6513-Native#sh ip wccp web-cache detail
WCCP Cache-Engine information:
Web Cache ID: 164.72.49.253
Protocol Version: 2.0
State: Usable
Redirection: GRE
Packet Return: GRE
Assignment: HASH
Initial Hash Info: 00000000000000000000000000000000
00000000000000000000000000000000
Assigned Hash Info: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
Hash Allotment: 256 (100.00%)
Packets Redirected: 2911
Connect Time: 23:37:29
What would cause the router to no redirect service-group 1 packets to the Netcache?The sup720 does not support wccp yet.
The commands are available and some functionalities may work but currently the sup720 does not support wccp.
http://www.cisco.com/en/US/products/hw/switches/ps708/prod_bulletin09186a00801599bc.html
Regards,
Gilles. -
Wccp web-cache -- can't get it working
I installed a Squid based caching appliance, by Stratacache. it supports GRE wccp redirect in transparent mode, I have it configured as wccpv2 using the Router's LAN ip address 10.250.1.2.
Every time I turn on the caching for a host (or the entire LAN) the internet breaks for whomever I turn wccp on. I have tried disabling CEF and have moved the cache to it's own router interface.
Topology of the Cisco 2801-SEC-K9 router, running 12.4(22)T advsecurity
FastE 0/0 (10.250.1.1) ---> connected directly to cache server
FastE0/1 (10.23.1.1) ---> Connected to internal LAN
MultiLink1 (12.x.x.98) ---> 4 T1 multilink to AT&T Internet Service
so here is my config,
ip wccp web-cache redirect-list 46 group-list 40 password webcache
ip wccp version 2
access-list 40 permit 10.250.1.2 (cache server)
access-list 46 permit 10.23.1.21 (test host for wccp)
interface fastethernet0/1
ip wccp web-cache redirect in
here is the output from the router
Roosevelt-2801(config)#do sh ip wccp web-cache view
WCCP Routers Informed of:
12.x.x.98
WCCP Clients Visible:
10.250.1.2
WCCP Clients NOT Visible:
-none-
Roosevelt-2801(config)#do sh ip wccp web-cache det
WCCP Client information:
WCCP Client ID: 10.250.1.2
Protocol Version: 2.0
State: Usable
Redirection: GRE
Packet Return: GRE
Assignment: HASH
Initial Hash Info: 00000000000000000000000000000000
00000000000000000000000000000000
Assigned Hash Info: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
Hash Allotment: 256 (100.00%)
Packets s/w Redirected: 914
Connect Time: 1d18h
Bypassed Packets
Process: 0
CEF: 0
Errors: 0
Roosevelt-2801(config)#do sh ip wccp web
Global WCCP information:
Router information:
Router Identifier: 12.x.x.98
Protocol Version: 2.0
Service Identifier: web-cache
Number of Service Group Clients: 1
Number of Service Group Routers: 1
Total Packets s/w Redirected: 7800
Process: 94
CEF: 7706
Service mode: Open
Service Access-list: -none-
Total Packets Dropped Closed: 0
Redirect Access-list: 46
Total Packets Denied Redirect: 8195426
Total Packets Unassigned: 0
Group Access-list: 40
Total Messages Denied to Group: 14
Total Authentication failures: 8
Total Bypassed Packets Received: 0
So I can see the packets redirected, the cache never sees them, the router and cache can ping each other, the cache and LAN clients can ping each other - am I missing something?so I found the problem... hopefully this helps somebody else in the future... the problem is the redirected packets were sourced from the router multilink1 interface IP address and the cache was expecting them from the router fa0/0 interface, so it dropped them.
also the cache has a "spoof client IP" option that was on, because we prefer to do this for netflow, but, I don't think client-IP-spoofing works with the standard web-cache wccp service. It was causing internet problems so I turned the spoofing off and it works fine...
hope this helps -
hI,
I try to configure a linux machine with Web cache and Apache. My ideia is, when some users try to come to company internal site the web cache redirect the request for the internal site by 80 port.
The apache by default listen in port 7780. I try to add port 80 but in EVENT_LOG file I receive the following error:
"failed to assign port 80, bind() error = permission denied".
Can anyone help me?
Thanks,
CarlosThanks.
I already do that and already create a virtual host....
My problem is the following:
I have one Oracle Applications with this URL, http://hostname:7779/pls/aplication and my ideia is when you type http://www.client.pt in DMZ you go direct to the http://name:7779/pls/aplication (login page).
I already configured the http://www.client.pt for http://hostname:7778.
Thanks,
Carlos -
Web Cache 10g Strange Port Redirection
Hi,
I have installed Oracle AS 10g 10.1.2 at one server (Solaris 9).
1) Oracle Apache Server is listenning port 81 and specific IP. No apache virtual hosts are configured at this port. In httpd.conf i have these directives:
Port 81
Listen xxx.xxx.xxx.xxx:81
2) Web Cache is listenning port 80 and the same IP as Apache Server.
3) In Web Cache, I've added one origin server with 81 port and HTTP protocol (host and port of Apache server, from item 1).
4) Сreated new named site at port 80, which was mapped to Origin server created item 2.
My application is deployed to url /myapp, and after configuring Web Cache as described, I could access it by typing:
http://<host>/myapp
But when click to any link in my app, my browser is redirected to URL with specific port
http://<host>:81/myapp
Where :81 is Apache Server port from "Port" directive in httpd.conf. If I change "Port" directive to different value, for example 80, browser is redirected to http://<host>:0/myapp
Could, you help me? I need no port in my URL at all (port 80 for HTTP and 443 for HTTPS).Hi
I have one named sites definitions, it is also default named site.
Host name is <My Host>
Port is 80 (It is that port, which WEB cache is listening)
Prefix field is empty.
Origin server is <My host>:81 (Actually it is my apache virtual host)
As I've written all navigation in my application is performed over one servlet, which recieves request by method post, and uses sendRedirect method to redirect user reuqests (sending http header to browser):
response.sendRedirect(url);
If I change code, and servlet uses server side redirection request.getRequestDispatcher(url).forward(request, response);
App is redirected to WEB Cache (Named Site) port. All navigation works fine with WEB Cache or without it.
But this method doesn't suites for my application. Because if user press refresh button, browser asks to repost the data.
Best Regards
Nikolajs Sulima
Message was edited by:
[email protected] -
Problem Configuring the Web Cache Sample Provider
I am trying to install the web cache sample provider. The instructions indicate that the web cache user name and password need to be obfuscated.
When I execute the following command from Windows Command Prompt:
C:\oc4jext\jdk\bin>java -classpath c"\oc4jext\portal\jlib\pdkjava.jar oracle.webdb.provider.v2.cache.Obfuscate username:password
I get
java.lang.ClassNotfoundException: oracle.security.misc.Checksum
The installation instructions indicate that the command should work if the pdkjava.jar and the jawc.jar files are in the correct directories. Both are in the correct directories.
I've searched for the missing Checksum class but have not been able to find it in the version of oc4j that I am running. I am running a pre-configured version of oc4j, referred to as oc4j_extended. It is version 9.0.4.0.0 build 031125.1647.
Any help would be much appreciated.Can you add the $JDEV_HOME/jlib/ojmisc.jar file to the classpath as well? This is the one that contains the Checksum class.
Peter -
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Hi, newly I installed Oracle9iAS for portal development.
The problem I am having now is:
When I tried to start the web cache service in ias lever,
it always gives me the following error:
oracle.sysman.emSDK.util.jdk.EMException: Throwable: The attempt to start or stop Web Cache failed
Please help em on this issue. Any advice will be greatly appreciated.I suggest that you post this question in the OracleAS Portal Caching forum:
http://forums.oracle.com/forums/forum.jsp?forum=9 -
Setting OF LD_LIBRARY_PATH AND WEB CACHE PROBLEM [SHOWING PREVIOUS PAGE ]
Dear Members,
I would request for help regarding setting of LD_LIBRARY_PATH in Oracle 11G Application server and web cache problem when any single text file edit and save the result should not be changed . it shows previous page result.
*1. Where to set LD_LIBRARY_PATH in Oracle11g Application Server (10.3.0) ? [ like in 9ias we set in opmn.xml . ] Where is opmn.xml file in oracle11g or which files contained LD_LIBRARY_PATH?*
*2. When we created program generated report it shows correct result after some changes in file and generate again it shows first means previous page result as it is not take changes in that file. Even we tried out side made one .text file and open edit and save. It's given same result. So What is the problem regarding it?*
It is the matter of Browser Cache or WEB Cache. Where is the settings of it?
*3. How to connect database (oracle11g Release 2) through OCI driver?*
Regards
Vipul PatelIf you're compiling it yourself, you should set the library path then. If not, you can try something like this:
env DYLD_LIBRARY_PATH=$DYLD_LIBRARY_PATH:/path/to/add-on-libraries orca ...
but I'm not sure it will work. -
hello all.
I am working with OCS 9.0.4.1.1 I installed it in 2 systems. When i am trying to work with oracle file sync( to copy files from my computer to my private file location) while syncing,suddenly it showed an error. Till then an error is occuring while loging as the end user in the middle tier(SSO loggin).i.e, WWC-40019 WebCache error. I checked the service it is up and running . I de-installed all and i installed it again, even also i got the same problem. Why it is happening and how i can solve that error. Please help me . Thanks in advance.
regards,
kumaraswamy.NOK, sorry for the delay in getting to this one.
The reason you're all seeing these problems is that the default behaviour for Database provider component caching has changed between release 1 and release 2.
You can check this by adding &_debug=1 to the URL you're working with in the browser.
The default component cache value for that type of object is set on the first tab in the box marked 'Expire After (minutes)'
By default this is set to 0 (zero), in release 1.x of portal this meant - do not cache ever. In r2 of portal there is no option to not cache, therefore a zero value actually equates to 86,400 seconds.
The lowest value you can have is 1, which equates to a cache retention period of 60 seconds
Even if the page is set to 'Do Not Cache' the portlet content (in this case will be cached for the time specified in the 'Expire After' setting.
So, if you change these values to 1 you should start to see your changes, if you would like to check the cache retention values and whether an object is cached or not, add &_debug=1 to the URL string in the browser
You will see the following types of information under each portlet..
Information for Portlet 33,31211
Portlet Timing: 14 msecs (wait=66)
Timing Status:
XSLT Timing: null msecs
Caching information of portlet:
Portlet Cache status: Web Cache:- HIT [H]
From Cache: Web Cache:- Cache Expires: 86400 secs, Age in Cache: 61 secs
From Portlet: - -
Problems with invalidating web cache
Currently we display the current date (portal smart link) in the top region of each portal page. We have been having problems with the date not refreshing, rather old pages continue to be served up. I set up a database job using wvuxtil to send an XML document to invalidate all documents in the web cache under root at midnight. (The caching of every portal page is set to "content and definiton at system level" for 1440 min). This morning, the job ran but when checking the pages from a client machine, the date still displayed as yesterday's for SOME of the pages (not all)- clearing the clients IE cache made no difference. Logging on to the server, I accessed the relevant pages displaying yesterday's date on the client - and they showed the correct date on the server. Going back to the client machine, the dates are now correct ? Help anyone ? What should I be checking/looking at next ?
Cheers
Brent HarlowHi Brent,
Which version of Web Cache and Portal are you using? A similar problem with dates and invalidation has been reported before, so you may want to check with Oracle Support for the appropriate patch. -
Problem in web cache cluster in 10.1.2.3
Hi,
I'm using webcache clustering in Oracle AS 10.1.2. and there are 3 cluster members.
But all the requests are getting routed through cluster member 1. When i'm bringing down services(HTTP, webcache,webcache admin) of member1 i'm unable yto access my website.
when member_1 is working, i'm able to access site from all 3 web servers through both web cache http listener port and OHS listener port.
Help !I understand this is not an EBS related question, so please post your question in the appropriate forum for a better/faster reply -- https://forums.oracle.com/forums/category.jspa?categoryID=13
Thanks,
Hussein -
Problem in web cache cluster in 10.1.2
Hi,
I'm using webcache clustering in Oracle AS 10.1.2. and there are 3 cluster members.
But all the requests are getting routed through cluster member 1. When i'm bringing down services(HTTP, webcache,webcache admin) of member1 i'm unable yto access my website.
when member_1 is working, i'm able to access site from all 3 web servers through both web cache http listener port and OHS listener port.
Help !I understand this is not an EBS related question, so please post your question in the appropriate forum for a better/faster reply -- https://forums.oracle.com/forums/category.jspa?categoryID=13
Thanks,
Hussein -
Problem in using OracleAS Web Cache as Load Balancer
I have two machines:
aimssrv.world.com and aimsrep.world.com.
Both of above machines are running Redhat Linux AS 4.
On both machines, I have installed Oracle Forms and Reports 10g Services. I have deployed my application on both machines.
I am able to access my application at aimssrv.world.com by doing:
http://aimssrv.world.com:7778/forms/frmservlet?config=aims
and I am also able to access my application at aimsrep.world.com by doing:
http://aimsrep.world.com:7778/forms/frmservlet?config=aims
I have implemented OracleAS Web Cache at machine aimssrv.world.com, and have enabled the Load Balancing.
In Origin Servers, its showing me two servers:
Host => aimssrv.world.com, PORT=> 7778, Routing=> Enabled, CAPACITY=>100, Failover Threshold=>5, PING URL=>/, PROTOCOL=>HTTP
Host => aimsrep.world.com, PORT=> 7778, Routing=> Enabled, CAPACITY=>100, Failover Threshold=>5, PING URL=>/, PROTOCOL=>HTTP
In Site Definition, I have following information:
Host Name=> aimssrv.world.com, PORT=>7777
In site-to-server mapping, I have following information:
Priority Host Name Port ESI Content Policy Host Name Port Proxy
1 aimssrv.world.com 7777 Unrestricted aimssrv.world.com 7778 No
aimsrep.world.com 7778 No
2 * 7777 Exclude Fragments aimssrv.world.com 7778 No
3 * * Exclude Fragments aimssrv.world.com 7778 No
In Session Binding, I have selected "JSESSIONID" as session, and "OC4J-based" as session binding mechanism.
Now please guide me as how would I run my application by using the OracleAS Web Cache?
What would be the URL?
Do I need to make any changes in httpd.conf files of aimssrv.world.com and aimsrep.awc.com?
Please guide.
Thanks and regardshi,
i hv recently configured webcache load-balancing for my 2 mid-tiers.I did not upgrade pre-requisite webcache upgrade patch 4569559 to my 10g rel 2 10.1.2.0.2 OAS and it still worked a bit but I do have some doubts why oracle recommends installing this patch before configuring webcache load-balancing.Have u?
btw u need to collapse all the features of webcache of caching to turn on http load-balancing.U need to add a parameter to internal.xml (LOADBALANCE ON="YES") and register origin servers of both servers with each other and map ur sites so that origin servers of both servers will cater sites of server1 and server2 at the same time.
what worked for me is i registered origin server of server1 at server2 and origin server of server2 at server1 and mapped site of server1 (http://server1:port/forms/frmservlet?config=something) to work with origin server of server2 as well at site-to-server page so that origin servers of both servers will load-balance my server1 site and vice-versa.
But still its not seamless.The initial site request was still being routed to the server which is DOWN first and not seamlessly routed to other server which is UP.Maybe webcache upgrade patch would hv done this seamlessly????
Edited by: anandk on Oct 26, 2009 6:28 PM -
Problem configuring Web Cache component on RHEL5 64bit in oracle VM
I trust that someone can help with the following:
1. During the install of 10.2.0.3 Oracle Enterprise Manager Grid on Red Hat Linux Enterprise 5, and I continue to get an error with configuring Web Cache component.
Thanks in advancehi,
I dont think any one will be able to help you if yo post so much brief question. Can you please paste
1) exact and complete error mssage
2) how much installation is complete and at which stage your installer is right now.
3) Did you try to look at the installation log from oracle inventory location? You should also be able to see some clue over there
Thanks
Salman -
Error installing EM10gR2 Configuration assistant "Web Cache Configuration A
I am getting an error when the web cache configuration assistant is running. Here is the output of the message:
Output generated from configuration assistant "Web Cache Configuration Assistant" (attempt 2):
Command = /oracle/oms10g/jdk/bin/java -DORACLE_HOME=/oracle/oms10g -Djava.net.preferIPv4Stack=true -classpath /oracle/oms10g/sysman/webapps/emd/WEB-INF/lib/webcachecfg.jar:/oracle/oms10g/sysman/webapps/emd/WEB-INF/lib/emd.jar:/oracle/oms10g/lib/emSDK.jar:/oracle/oms10g/dcm/lib/dcm.jar:/oracle/oms10g/jlib/repository.jar:/oracle/oms10g/lib/xmlparserv2.jar:/oracle/oms10g/jlib/emConfigInstall.jar:/oracle/oms10g/jdbc/lib/classes12.zip:/oracle/oms10g/jdbc/lib/nls_charset12.jar:/oracle/oms10g/jlib/jndi.jar:/oracle/oms10g/jlib/rt.jar:/oracle/oms10g/jdk/lib/i18n.jar:/oracle/oms10g/jlib/ldapjclnt10.jar:/oracle/oms10g/jlib/ojmisc.jar:/oracle/oms10g/j2ee/home/jazn.jar:/oracle/oms10g/j2ee/home/jaas.jar oracle.ias.webcache.config.WebcacheConfig -oh /oracle/oms10g
Failed in smi manipulation().
A problem has occurred reading the initial configuration and storing it into repository
Resolution:
Please refer to the base exception for resolution, or call Oracle support.
Base Exception:
/oracle/oms10g/Apache/Apache/bin/httpd: error while loading shared libraries: libdb.so.2: cannot open shared object file: No such file or directory
Resolution:
Please make sure the values entered in OHS configuration files are correct.
oracle.ias.sysmgmt.exception.InvalidConfigurationException: Base Exception:
/oracle/oms10g/Apache/Apache/bin/httpd: error while loading shared libraries: libdb.so.2: cannot open shared object file: No such file or directory
Resolution:
Please make sure the values entered in OHS configuration files are correct.
at oracle.ias.sysmgmt.repository.plugin.advanced.apache.StateTranslator.checkConfigFileValidity(Unknown Source)
at oracle.ias.sysmgmt.repository.plugin.advanced.apache.StateTranslator.validateConfigDuringEvaluate(Unknown Source)
at oracle.ias.sysmgmt.repository.plugin.advanced.apache.PlugInImpl.localConfigValidation(Unknown Source)
at oracle.ias.sysmgmt.repository.DcmPlugin.localConfigValidation(Unknown Source)
at oracle.ias.sysmgmt.repository.RepositoryImpl.performLocalValidation(Unknown Source)
at oracle.ias.sysmgmt.repository.SyncUpHandler._updatePluginConfigData(Unknown Source)
at oracle.ias.sysmgmt.repository.SyncUpHandler.syncUpFromLocalFiles(Unknown Source)
at oracle.ias.sysmgmt.repository.RepositoryImpl.syncUpFromLocalFiles(Unknown Source)
at oracle.ias.sysmgmt.utility.editpropagator.PropagateLocalEdit.repositoryInit(Unknown Source)
at oracle.ias.sysmgmt.persistence.utility.PMUtility.initConfiguration(Unknown Source)
at oracle.ias.sysmgmt.task.TaskMaster.initConfiguration(Unknown Source)
at oracle.ias.sysmgmt.task.TaskMaster.sysInit(Unknown Source)
at oracle.ias.sysmgmt.task.TaskMaster.sysInit(Unknown Source)
at oracle.ias.sysmgmt.task.InstanceManager.sysInit(Unknown Source)
at oracle.ias.sysmgmt.task.InstanceManager.init(Unknown Source)
at oracle.ias.sysmgmt.EntryPoint.init(Unknown Source)
at oracle.ias.webcache.config.WebcacheConfig.smiSetup(WebcacheConfig.java:483)
at oracle.ias.webcache.config.WebcacheConfig.smiEnableWebcache(WebcacheConfig.java:454)
at oracle.ias.webcache.config.WebcacheConfig.enableConfiguration(WebcacheConfig.java:299)
at oracle.ias.webcache.config.WebcacheConfig.main(WebcacheConfig.java:87)
Configuration assistant "Web Cache Configuration Assistant" failed
The "/oracle/agent10g/cfgtoollogs/configToolFailedCommands" script contains all commands that failed, were skipped or were cancelled. This file may be used to run these configuration assistants outside of OUI. Note that you may have to update this script with passwords (if any) before executing the same.-----------------------------------------------------------------------------
My etc/hosts file looks like:
cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
172.24.254.25 k25
Ugh!sorry, a little bit late but i had the same problem.
/oracle/oms10g/Apache/Apache/bin/httpd: error while loading shared libraries: libdb.so.2: cannot open shared object file: No such file or directory
simple make the link "ln -s libdb.so.3 libdb.so.2" in the /usr/lib directory.
regard´s
roland
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