DHCP to allocate same IP to client everytime

I would like laptops to get the same IP address from the DHCP pool every time they join the network. Is there a way of binding the laptop MAC address to an IP address so the same IP address is given to the laptop every time?

If you want to configure manual bindings, create a host pool for the 10.10.135.111 address. For example:
ip dhcp pool STATIC
host 10.10.135.111 255.255.255.0
Client-identifier (aabb.ccdd.eeff ...)
default-router 10.10.135.1
domain-name domain.com
option 150 ip 172.16.1.11
dns-server 172.16.1.40 172.17.1.250
netbios-name-server 172.16.1.40 172.17.1.250
ip dhcp pool Data
network 10.10.135.0 255.255.255.0
default-router 10.10.135.1
domain-name domain.com
option 150 ip 172.16.1.11
dns-server 172.16.1.40 172.17.1.250
netbios-name-server 172.16.1.40 172.17.1.250
Below is the URL that has some additional details.
http://www.cisco.com/en/US/docs/ios/12_1/iproute/configuration/guide/1cdipadr.html
I hope it helps.
Regards,
Arul

Similar Messages

Can WLC's built-in DHCP provide IP addresses for wired client?

Hi,
We've got a WLC running on 7.0.98.0. It's providing IP addresses for the Guest Wireless users. Now we'd like to put a couple of wired workstations for those customers who don't bring laptops. I'm wondering if I put these workstations on the same guest wireless vlan, they can still get IPs from the WLC. If not, I have set static IPs on these workstations.
Thanks in advance.
Robert

Rob:
The answer is simply "No". WLC can not provide wired clients on same wireless VLAN with IP addresses if the DHCP is configured on WLC.
The case metnioned by fbarboza above is a "very" special configuraiton on WLANs where the WLC is configured to take care of some wired clients and it needs you to have two WLCs (The featured is called wired guest).This special case does not apply at your situation.
With your situation my answer above applies.
Note A internal DHCP server pool will only serve the wireless clients of that controller, not clients of other controllers. Also, internal DHCP server can only serve wireless clients and not wired clients.
Reference: http://www.cisco.com/en/US/docs/wireless/controller/7.0/configuration/guide/c70wlan.html
HTH
Amjad

Log-on client 200 is not the same as BI clients "600"

Hi Experts,
My data load got failed and when i checked the error message, it says " Log-on client 200 is not the same as BI clients "600"".
Diagnosis
You are using client-dependent BI functions in client 200. However, the standard BI client is 600.
System Response
The function is terminated.
Procedure
Maintain a destination in the BI standard client. For information, see SAP Note 522569.
I went through the sap note and checked the maintenance of rfc desination. But not able to uderstand this issue. Do anyone have good idea about this issue.
Thanks in advance.
Anand

Hi,
In BW, you must work on only client. As the error said, you log on to client 200, but using 600 client as the connected one. Please check the source system conncection whether it is given for the default client in RSADMINA table BWMANDT field or not. if not change that.

Create a new branch On same OR different Client

Dear Experts,
Can anyone tell me the advantages and disadvantages of same vs different client, from FI & CO view, as we are having a new foreign branch in another country, should we use the same client or a different client?
For e.g.:
Client 100 Company A - present
Client 100 Company B - new
OR
Client 100 Company A - present
Client 200 Company B - new
Regrads,
Mohammad

Hi Mohammed,
It would be better to choose the first option ie, choosing the same client. Please refer the attachment which deals with this topic.
Same or different client
two different organization on one system
more than one company code
Warm regards,
Murukan Arunachalam

DHCP - offer same IP to clients if available.

We have a Win Server 2008 R2 DHCP server with default lease durations of 8 days. Our address pool consists of about 500 IPs of which we generally use only 200-300.
We noticed that when a computer is disconnected from the network for 9 days, its previously assigned IP address is handed out to other DHCP clients, even though there are about 200 IPs available that have never, ever been assigned to any DHCP client and
is free to use. The computer that was then offline for 9 days subsequently gets handed a new IP address.
How can we get the server to use all 500 IPs first, before recycling IPs from expired leases?

AFAIK, I do not think you can change the allocation algorithm.
Though not a answer to your question, but in order to achieve what you want, maybe you can play with the lease duration. For example:
- 400 IP with lease time of 16 days.
- 100 IP with lease duration of 1 days (just in case 16 days is too long and you ended up with not enough IP, hence, this pools is serve as buffer)
-- wsn

Can I use ASA to be a DHCP Server use in WLC wireless Client

I want to use ASA to be a DHCP Server for Wireless Client not it can't.
I check the debug log in WLC, I confirm the WLC have send the request to ASA.
In the ASA, it don't have any hits in the rule when the WLC send the DHCP relay request.
I have try don't use dhcp relay in WLC but don't success. Anybody have the same case with me? And Is the ASA can't support DHCP relay agent to request to get the IP Addr.
P.S. In the Network Design limitation so I can't use WLC to be DHCP Server.
Equipment:
ASA5510
WLC4402
How can I fix it.
Thank you very much

The issue is that the ASA doesn't accept DHCP requests from a relay agent, only broadcast DHCP requests. In the 4.2 version for the controllers there is now an option so you can change the way the controller forwards DHCP requests so that it is sent as a broadcast and not from a relay agent.

2100 wireless LAN controller intermittant DHCP issue does not respond to clients

Hi everyone,
I have been struggling with a difficult problem for some time now:
The cisco 2100 wlan controller I have is configured with a dhcp scope in the same ip address range as its WLAN. The configuration works and on a good day I have up to 200 clients connecting with out issue. In the web interface they display as associated and authenticated
On a bad day I find I will begin seeing about 50-80% of all new devices that attempt to join the WLAN show up as associated but not authenticated. These clients end up self assigning themselves a 169.254.0.0/16 (APIPA) address
When my controller / WLAN enters into this state: if clients leave the WLAN they typically fail to get back on and successfully authenticate. By the end of a day around 80-90% of all devices are essentially without Internet access due to this issue.
Rebooting the controller and or APs typically makes no difference or makes things worse – although sometimes it appears to resolve the issue. The same holds for disabling the entire wlan for about 10 minutes and then re enabling it.
Im using 1130 cisco aironet APs with the controller. I have checked extensively for interference and congestion – I think I have congestion – some APs typically host 40 to 90 devices. However as mentioned on a good day the wlan will host 200 devices all day without any issue and some APs will host 50 to 70 devices without major issue.
I can provide more specifics if anyone should need – eg firmware, IP addresses, exact model numbers etc.
Please let me know if anyone has seen something like this before ?
I believe the 2100 is rated to handle up to 350 devices and its recommended not to load a 1130 AP with more than 25 devices ??
Regards
Matthew

Hi Amijad, Hi George:
Thank you both for your time in considering my situation.
I will think about implementing an independant DHCP server; im really wondering if the equipment is just overloaded
- What software versoin the WLC uses?
Product Version.................................. 6.0.199.4
RTOS Version..................................... 6.0.199.4
Bootloader Version............................... 4.0.191.0
Emergency Image Version.......................... 6.0.199.4
PID: AIR-WLC2106-K9, VID: V05
- What ports of the WLC are connected to the neighbor swtich? one or more?
2 ports connect to the neighbor switch on separate vlans
- port 1 is vlan 0 and hosts the management and ap-management IPs for the wlan controller
- port 2 is vlan 1 and hosts the wlan
- the controller has one dhcp scope defined on port 2 for the WLAN
- What is the security of your WLAN?
WPA+WPA2
AES
PSK
- Do you have "DHCP required" enabled on the WLAN?
yes DHCP required is enabled in the WLAN
please let me know if you have any additional advice.
regards
Matthew

DHCP not giving ip to wireless client

Dear All,
        i have one typical problem.
I was configured wireless access point 1140 and integrate with windows IAS (radius server) for authentication to wireless client.
My server vlan            10
my AP vlan                 2
My clinet vlan             3
when i connected clinet on vlan 3 through cable its ok, but when i go through IAS (Radius Server) client not getting IP address. I was created one bvi interface on AP and put in 1 native vlan. But still same problem.
can any one help me to solve this problem.

I assume that you configure the AP
as autonomous mode. If this is the case, BVI interface on the AP is used for management purpose. The AP does not use BVI for forwarding wireless client traffic.
I agree with Jonathan that we need to confirm the problem is forwarding issue. Can you do a show dot11 as. Find out if the client is stuck in authentication status.
Assume that the wireless client pass authentication. Please post the followings:
show run int dot 0/0 and show run int dot 0/0 or whatever interface and sub-interface the SSID is associated to
show run int gi 0/0 and show run int gi 0/0.3
show spanning interface on the switch side
Is there DHCP server on VLAN 3? If not, please show me the router on VLAN 3? I would like to confirm that DHCP relay agent (i.e. ip helper-address) is configured.

Certificate validation when server is the same machine as client

Hi guys i realize this is the most talked question about jsse, the validation of local certificates.
I found a 2001 o'reilly page where they explain what is jsse and gives a complete tutorial of it.
It comes with a sample secure http server and browser, and when i try to connect to the server with that browser it bombs out with the "couldn't find trusted certificate"
Having read some posts here and googled around i found out that this sometimes happens because the name on the signed certificate does not match the url accessed from the server.
So, if the server and client is on the same machine (127.0.0.1) and my machine name is FJL, can someone explain me how should i run the keytool?
This is what i have been using:
keytool -genkey -keystore certs -keyalg rsa -alias espectro -storepass serverkspw -keypass serverpw
The keytool then prompted me for information to put into the certificate. My answers are shown in bold.
What is your first and last name?
��[Unknown]: francisco leon
What is the name of your organizational unit?
��[Unknown]: licom
What is the name of your organization?
��[Unknown]: la universidad del zulia
What is the name of your City or Locality?
��[Unknown]: maracaibo
What is the name of your State or Province?
��[Unknown]: zulia
What is the two-letter country code for this unit?
��[Unknown]: VE
Is <CN=francisco leon, OU=licom O=la universidad del zulia L=maracaibo ST=zulia, C=ve> correct?
��[no]: y
the web server is found here http://www.onjava.com/pub/a/onjava/2001/05/03/java_security.html?page=1 to page=5 or so
page=4 explains something:
You may wonder what happens when you run SecureBrowser againstSecureServer. It doesn't work. That's because SecureBrowser won't acceptSecureServer's phony certificate. However, we can trick SecureBrowser into accepting SecureServer's certificate. Here's how:
So i use the keytool again to do what it is suggested:
keytool -export -keystore certs -alias espectro -file server.cer
then:
keytool -import -keystore jssecacerts -alias espectro -file server.cer
the jssecacerts file is located on the dir where i did the keytool thing, so i copy it to c:\j2sdk1.4.1_02\jre\lib\security
and finally i try to connect to the secure httpserver found on that url with the secure browser found there too and i get the "couldn't find trusted certificate"
could someone please explain me how to fix it? the article is kind of old and lists some properties which i haven't been able to find, along with some .jar (the article is dated before java 1.4 was available) and maybe i am doing something wrong.
Thanks in advance!

Ok, indeed, when keytool asks me about my name, i tried it with my machine name and now it works.

Why does IE8 running on XP and Win7 Virtual Machine deletes the history while I'm still browsing the same site with client-side hashbang routing?

Hello,
I have a asp.net mvc 5 web application running on .net 4.5 hosted on my local windows 8 machine on macbook pro using parallels. I'm running Internet Explorer 8 Version: 8.0.6001.18702 running on XP and Version: 8.0.7601.17514 running on Windows 7 Enterprise.
I've got both of the virtual machine source from www.modern.ie
My web application is attempting to provide single page user experience by having some client-side routing by using '#!/xxx' hashbangs in the url so that I can get and post via ajax and change the hash in the url without causing the page to reload. My
code works fine in IE9+ and other modern browsers.
However, I'm facing this strange issue in both of the IE8 versions. When running my demo app in IE8, I can login, view home page and can navigate from this home page to many details page. From the very first login page, all the pages are the result
of form's post action via ajax which then expects html from server and loads in the DOM. The page structure of my app is like summary form => Details page (can also contain summary forms) => Details...so on.
The above process works fine for few of the navigation steps. If I keep navigating from one page to another & go back, I have observed that the browser back button is removing the history items slowly. And a time comes when it totally forgets about
all the history pages that I visited to reach this current page I'm viewing!! It treats like I have just started my browsing session and this current page is the first page I've landed on with no back option. Now if I again try to navigate, I have encountered
problems like both the back and forward buttons gets disabled.
Hope, my words above is clear enough to explain this problem. The same application works fine in IE9+ and other browsers.
Till now, I have tried following steps on both VMs:
Resetting IE8.
Increasing disk space to 1024mb for temporary internet files storage.
Setting 'Never' for Check for newer versions of stored pages.
Disabling the automatic crash recovery feature didn't helped in this case. Found this on support website.
Deleted temporary files, history, cache, etc many a times.
Search many forums, posted question on StackOverflow, ASP.NET
Forums - but didn't helped.
Tried 'beforeunload' event of browser to see if any of the page is reloading because of submit or any other reason. But the page doesn't reload at all.
The issue is browser forgets about the browsing history while I'm still browsing the same site.
Is there any possible fix for the issue above? Does IE8 have any issues as many ajax form post is happening on every page?

I have really tried many things to identify any possible reason of the issue above. Even rewrote all my javascript navigation code and checked server-side code.
But the only place where I got the solution is at site: http://www.enhanceie.com/ie/bugs.asp which states that there is a bug in IE8 which reads like:
IE0012: IE Travellog broken when navigating back/away from a page with
a large POST form If there is a form input field with a value longer
than 523,659 characters, when you navigate away from the page, IE may
clear the current session's travellog (similar to history), disabling
the back and forward buttons. Repros in IE6 & IE7.
There are following solutions that you can go for:
- Check for the input field that has lots of characters as mentioned above and solve your problem.
- If you have control over the system where IE8 will be used, you can add the following registry key on that machine. There is no existing key, so, you need to add a new one:
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\TravelLog] "MaxSize"=dword:ffffffff
I am really relaxed to find this information as I spent really long time to solve this issue. Hope this will help someone.

Communication lost - Same installation, same version of client (.exe), but client has different configuration in Configuration Manager properties

Hi, I can't understand how I get the following different between old and newly installed client. On the left side it is the original client configuration and on the right side it is what client gets after installing the same version of CCMSETUP.EXE (5.00.7958.1000)
with SCCM 2012 R2.
Differences noticed:
-Catalog's name (in Software center) are different. New client has "IT Ogarnization" as name for their catalog.
-Configuration Manager Properties for new client doesn't have "Configurations" Tab.
-Many Components status in the components tab are different: CCM Notification Agent, Compliance and Settings Managment, Hardware Inventory Agent, Out of Band Mangement Agent...
With all this, I can't send Windows updates or any applications to ANY clients. The client status in the monitoring deployment always shows "Unknown".
I don't think it is on the client side, because I return to older VMware snapshot and see the different, after uninstalled and re-installed the SCCM agent, I get the new "problematic" client configuration.
Any suggestion to resolve my problem? Thank you in advance.
bsuperkid

Here the all three logs. Sorry to give them like that but I think it is best way to let you take a look. I did change some name and reference to hide my environment.
Also, I don't know if there a link with my problem, but I guess so.
- I noticed in Monitoring\System Status\Components Status\"Warning SMS_WSUS_SYNC_MANAGER", the following message (ID 6703):
WSUS Synchronization failed.
Message: Thread was being aborted.
Source:
Microsoft.SystemsManagementServer.SoftwareUpdatesManagement.WsusSyncAction.WSyncAction.SyncWSUS.
- I noticed in Monitoring\System Status\Components Status\ "Warning SMS_AD_SYSTEM_DISCOVERY_AGENT", the following message (ID 5203):
Active Directory System Discovery Agent reported errors for 2074 objects. DDRs were generated for 0 objects that had errors while reading non-critical properties. DDRs were not generated for 2074 objects that had errors while reading
critical properties.
Possible cause: The site server might not have access to some properties of this object. The container specified might not have the properties available.
Solution: Please verify the Active Directory schema for properties that are not replicated or locked.
Refer to the discovery logs for more information.
I'll upload a print screen of all three logs files. If you need it in text format, I'll upload them as the code Block.
Thank you again!
bsuperkid

OracleXE 10g cannot be installed in the same location as Client.

hello!
i would like to install XE DB (of course in silent mode) from a java application, but i always get this error in c:\WINDOWS\OracleDatabaseXEServerInstall.log file:
"Oracle Database 10g Express Edition cannot be installed in the same location as Oracle Database 10g Express Edition Client."
in java i call it like this:
String cmd = "f:\\db\\OracleXEUniv.exe /s /f1\"f:\\db\\OracleXE-install.iss\" /f2\"c:\\OracleXE-install.log\"";
int ret = Runtime.getRuntime().exec( cmd ).waitFor();
i do not even need db client, but as far as i know it cannot be unset in parameter file (OracleXE-instal.iss).
otherwise if i start install it in silent mode in console then it is executed without failure...
so i need to unset client installation or just to avoid this failure...
any idea?
anybody can help me out?
pilán

Any adjustments to the installer file? Maybe a previous run has already completed (or didn't complete) and items need cleanup before it can install sucessfully?
XE doesn't support mulitiple installations on the same host nor more than one instance running in the install directory, perhaps changing the szDir=C:\oraclexe\ to a different drive and/or directory might help. But if an oracle installation is already on the box, maybe it would have to be the last oracle install ... :(

2 local ejb and one remote session bean in same server - java client

idea was -
to create a new stateless session bean that will talk to the two entity beans. although the session bean will expose its method through a remote interface, the communication betweenn the session bean and the entity beans will be through a local interface. the assumptions is that all three ejbs are running in the same JVM.
so -
all three ejbs complied properly.
but -
when i tried to test with one 'sample test client' then this is the error i get.
please please -
can you look into the below error and let me know what possibly i'm doing wrong. i've been trying for last 4 days and can't figure out.
thanks a lot.
D:\jdev9052\jdk\bin\javaw.exe -ojvm -classpath D:\jdev9052\jdev\mywork\H&K\EJBApp\classes;D:\jdev9052\j2ee\home\lib\activation.jar;D:\jdev9052\j2ee\home\lib\ejb.jar;D:\jdev9052\j2ee\home\lib\jaas.jar;D:\jdev9052\j2ee\home\lib\jaxp.jar;D:\jdev9052\j2ee\home\lib\jcert.jar;D:\jdev9052\j2ee\home\lib\jdbc.jar;D:\jdev9052\j2ee\home\lib\jms.jar;D:\jdev9052\j2ee\home\lib\jndi.jar;D:\jdev9052\j2ee\home\lib\jnet.jar;D:\jdev9052\j2ee\home\lib\jsse.jar;D:\jdev9052\j2ee\home\lib\jta.jar;D:\jdev9052\j2ee\home\lib\mail.jar;D:\jdev9052\j2ee\home\lib\servlet.jar;D:\jdev9052\j2ee\home\oc4j.jar;D:\jdev9052\opmn\lib\optic.jar;D:\jdev9052\jdev\system9.0.5.2.1618\oc4j-config\.client;D:\jdev9052\lib\xmlparserv2.jar;D:\jdev9052\lib\xmlcomp.jar TeamStaffSessionEJBClient
context initialized
javax.naming.NamingException: Lookup error: java.net.ConnectException: Connection refused: connect; nested exception is:
     java.net.ConnectException: Connection refused: connect [Root exception is java.net.ConnectException: Connection refused: connect]
     at com.evermind.server.rmi.RMIContext.lookup(RMIContext.java:153)
     at javax.naming.InitialContext.lookup(InitialContext.java:347)
     at TeamStaffSessionEJBClient.main(TeamStaffSessionEJBClient.java:17)
Caused by: java.net.ConnectException: Connection refused: connect
     at java.net.PlainSocketImpl.socketConnect(Native Method)
     at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:305)
     at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:171)
     at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:158)
     at java.net.Socket.connect(Socket.java:452)
     at java.net.Socket.connect(Socket.java:402)
     at java.net.Socket.<init>(Socket.java:309)
     at java.net.Socket.<init>(Socket.java:153)
     at com.evermind.server.rmi.RMIConnection.connect(RMIConnection.java:2216)
     at com.evermind.server.rmi.RMIConnection.lookup(RMIConnection.java:1692)
     at com.evermind.server.rmi.RMIServer.lookup(RMIServer.java:678)
     at com.evermind.server.rmi.RMIContext.lookup(RMIContext.java:134)
     ... 2 more
Process exited with exit code 0.

After you drop an ejb into the designer, you'll see a <ejb>Client1 instance created for the ejb in the backing bean (i.e. Page1.java). The client instance is a wrapper for the ejb. It contains all the remote methods available on your ejb. In your web app, you can invoke any methods on the client instance as if you're calling methods on a regular java object. The wrapper class knows how to invoke the corresponding methods on the ejb for you.
-dongmei

JVM can´t allocate same heap mem after crash!

Hi!
I have a curios behavior of the JVM
HW info:
CPU: Intel i7
Mem: 4GB
OS: RedHat 5.5 32-bit
Kernel: 2.6.33
JRE: jre-1.6.0_30-fcs
(have try newer JRE with same behaviors)
On a clean new installed system I can start our java application with following commands/params
"java -Xms2048m -Xmx2048m -server cp bin/* com.nnn.nnnn.nnnn.ClientProgram"
After a while the application is crashed, (we are tracking that problem)
== Log info
2012-02-13 16:09:14,234 - appl_e1: #
2012-02-13 16:09:14,234 - appl_e1: # A fatal error has been detected by the Java Runtime Environment:
2012-02-13 16:09:14,234 - appl_e1: #
2012-02-13 16:09:14,235 - appl_e1: # SIGSEGV (0xb) at pc=0x1b30eafc, pid=5254, tid=459979664
2012-02-13 16:09:14,235 - appl_e1: #
2012-02-13 16:09:14,235 - appl_e1: # JRE version: 6.0_18-b07
2012-02-13 16:09:14,235 - appl_e1: # Java VM: Java HotSpot(TM) Server VM (16.0-b13 mixed mode linux-x86 )
2012-02-13 16:09:14,235 - appl_e1: # Problematic frame:
2012-02-13 16:09:14,235 - appl_e1: # C 0x1b30eafc
2012-02-13 16:09:14,235 - appl_e1: #
2012-02-13 16:09:14,236 - appl_e1: # An error report file with more information is saved as:
2012-02-13 16:09:14,236 - appl_e1: # /tmp/hs_err_pid5254.log
2012-02-13 16:09:14,243 - appl_e1: #
2012-02-13 16:09:14,243 - appl_e1: # If you would like to submit a bug report, please visit:
2012-02-13 16:09:14,243 - appl_e1: # http://java.sun.com/webapps/bugreport/crash.jsp
2012-02-13 16:09:14,244 - appl_e1: # The crash happened outside the Java Virtual Machine in native code.
2012-02-13 16:09:14,244 - appl_e1: # See problematic frame for where to report the bug.
2012-02-13 16:09:14,244 - appl_e1: #
===
(Unfortunately the log file is wioed out :-(( . Will post one when we get the crash )
Next time we try to start with same parameters the JVM can not allocate memory
==
Error occurred during initialization of VM
Could not reserve enough space for object heap
Could not create the Java virtual machine
==
If we decrease the heap mem to 1536m we can start the application (JVM can allocate memory for the heap)
After rebooting the system we get same error with a heap of 2048m
It is possible to start it with a heap of 1536m
The most curios is if I reinstall the system I can allocate a heap of 2048m to the next crash !!!
Where is the information for the JVM about the heap mem allocation?
It must be somewhere on the file system?
//U

jschell wrote:
The most curios is if I reinstall the system I can allocate a heap of 2048m to the next crash !!!Presuming that you are not mis-reporting or mis-evaluating something...
linux-x86 On Linux virtual memory relies on file space that exists on the harddrive which is dedicated to that purpose.
The file space is just like any other file space.
If that file space fills up, for any reason, then the OS will appear to run out of memory for applications.
The one time this happened to me the virtual space was mapped such that regular files were using the space. Specifically my log files. So as the log files grew the application memory decreased.And if the crashed JVM generates a core file...

DHCP Failover, one DHCP Server Partners Supnet is deactivated, Clients losing network connectivity for 3 sec. after renewing they IP Adress

Hello,
currently we are using two W2K12R2 DHCP server configured in "load balance Mode". On DHCP1 the IP-scope with failover partnership to DHCP2 is deactivated. DHCP2 is working fine. Now we register that 50 percent of our clients (W2K8R2 application
server) losing the network connectivity for 3 sec. after rereleasing they IP-Address. On DHCP2 servers eventlog we receive a lot of
BINDING ACK reject events 20291 and 20292 for these IP addresses entries.
These 3 sec. of loosing they Network connectivity is our big Problem because the Client application (W2K8R2 application server) cannot handle these timeout. It looks like a
DISCOVER-OFFER-REQUEST-NAK cycle that are described here:
http://blogs.technet.com/b/teamdhcp/archive/2014/02/26/dhcp-failover-patch-to-address-a-reservation-issue-and-another-issue-related-to-failover-partner-not-accepting-state-transition-from-bad-address-gt-active-has-been-released.aspx#pi47623=2
there is a solution to prevent the 3 sec network failure?
Rgds

Hi Steffen,
Have you applied KB2919355 in the server?
If issue persists, please check the detailed information about the event. It will tell us why does the server send the NAK.
Best Regards.
Steven Lee Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact [email protected]

DHCP to allocate same IP to client everytime

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