Unusual / Unknown DHCP Table Entry

OK, so was having some issues with wireles printer this evening, still am, but that is a different story.
When I was looking in my DHCP table I noticed that all my entries are nice and neat and start 192..abc.e.f, but I found one entry in there that as below...
Unknown-54-88-0e-56-63-f2
54:88:0e:56:63:f2
10.122.21.114
00:00:09:01
It doesn't show up as a device either so I can't see a way of blocking it.
I've no idea what it is or where it is coming from, any help would be much appreciated

ashfordianeagle wrote:
OK, so was having some issues with wireles printer this evening, still am, but that is a different story.
When I was looking in my DHCP table I noticed that all my entries are nice and neat and start 192..abc.e.f, but I found one entry in there that as below...
Unknown-54-88-0e-56-63-f2
54:88:0e:56:63:f2
10.122.21.114
00:00:09:01
It doesn't show up as a device either so I can't see a way of blocking it.
I've no idea what it is or where it is coming from, any help would be much appreciated
Its someone connected to your BTWifi hotspot. Note the IP address which is 10.122.21.114, that is an address issued by BT Wifi.
Its totally separate from your own network, so its not a security risk.
There are some useful help pages here, for BT Broadband customers only, on my personal website.
BT Broadband customers - help with broadband, WiFi, networking, e-mail and phones.

Similar Messages

HH 2.0A "Unkown Host" on DHCP Table...

Recently a family member bought a new Blackberry. I set it up on our HH2.0A and it connects okay and can see the Internet through the Hub no problem. However I wanted to name the device on the HH2 and set it to use the same IP address all the time.
When I go to the "Home Network" / "Devices" page it never appears. If I go to "Home Network" / "DHCP Table" I can see the following entry:
Unkown Host
40:xx:xx:xx:xx:xx
192.168.1.78
00:22:49:39
...and yes "Unknown" is spelt wrong!!! The MAC address matches the phone though. If I click on the link "Unkown Host" it drops me back at "Home Network" / "Devices".
Any ideas?
Chris.

Keith_Beddoe wrote:
Its a while since I looked at the HH2, but on the HH1, there is a "devices" list, which shows which are active, and to the right, there is an "edit" button.
I would have to unbox my spare HH2 to look at the menues, but its quite possible someone with a HH2 online, may give you the answer.
Normally it would list the device on the "Home Network" / "Device" page as "Unknown" followed by the MAC address. You can click on it and then go to a page which allows you to name the device and lock the IP address. It is not appearing on the page though!
Chris.

More DHCP table issues

Okay-- I've given up on the fact that it takes 2+ hours for the DHCP table on my E4200 to completely fill in with all the devices connected to my network, but maybe someone has a solution to this new issue:
When I click on DHCP table to display all the devices on my Local Network, it does list all the connected devices but some (5%) of the entries do not have have an entry in the CLIENT NAME field. The field is blank. It does show the IP address, the MAC address, etc, but some of the devices do not appear to grab a name.
I talked to tech support at the various device manufacturers and they all said it is up to the router to grab the device name. My question: If the E4200 does not grab the client name from a device, is there a way to add the name of the device to the DHCP table? I don't see any obvious editing options.
Thanks in advance for any help.
RonFL

What version of E4200 are you using?If you have the E4200 v1 , you won't be able to add a name on those devices under DHCP list. But if you have the E4200 v2, you can update it to the Linksys Smart Wi-Fi Firmware. There, you can edit the names of those connected devices.
Help, learn and share

How to clear the DHCP table

BT HomeHub 2 (black one with blue/orange flashing lights)
Is there any simple way of clearing out the entire DHCP table and starting again?
I use Virtual Machines (VM) a lot and every time I use them from the laptop/desktop, the homehub DHCP adds it as a new wired connection. When I look at the DHCP table, it has
lots of entries with the same machine name and mac address even though the retention period is set to 3 days.
lots of entries of VMs which I haven't used for ages but for some odd reason, their leases get renewed.
entries of machines which were last connected last Christmas but again, their lease has been renewed
lots of expired entries (if it has expired, why keep on to it?)
My guess is that the wireless sometimes fails to connect because all the entries in the DHCP table have been used and it cannot find a free one.
Problems
When I click on any of the dead entries, the homehub goes into reset mode. I don't mind going through the entire table one at a time but not if it is going to reset. Also there are almost 50 entries with the same MAC and machine name. Quite difficult to remember which one you got to if they cannot be cleared down
If I do a reset, it still remembers all the entries.
If I disable DHCP and reenable it, it still remembers all the entires
I haven't tried changing the DHCP address range yet
Is there any simple way of clearing out the entire DHCP table?

cup wrote:
BT HomeHub 2 (black one with blue/orange flashing lights)
Is there any simple way of clearing out the entire DHCP table and starting again?
I use Virtual Machines (VM) a lot and every time I use them from the laptop/desktop, the homehub DHCP adds it as a new wired connection. When I look at the DHCP table, it has
lots of entries with the same machine name and mac address even though the retention period is set to 3 days.
lots of entries of VMs which I haven't used for ages but for some odd reason, their leases get renewed.
entries of machines which were last connected last Christmas but again, their lease has been renewed
lots of expired entries (if it has expired, why keep on to it?)
My guess is that the wireless sometimes fails to connect because all the entries in the DHCP table have been used and it cannot find a free one.
Problems
When I click on any of the dead entries, the homehub goes into reset mode. I don't mind going through the entire table one at a time but not if it is going to reset. Also there are almost 50 entries with the same MAC and machine name. Quite difficult to remember which one you got to if they cannot be cleared down
If I do a reset, it still remembers all the entries.
If I disable DHCP and reenable it, it still remembers all the entires
I haven't tried changing the DHCP address range yet
Is there any simple way of clearing out the entire DHCP table?
AFAIK, the answer is no, have you tried setting the IP to dynamic when your VM's connect? i.e. always use the same ip address, or can you assign a static ip to a VM....I'm fumbling in the dark here because I don't know enough about using VM's.

DHCP table population on E4200

We've got an E4200 that seems to work pretty well (except with Apple AirPlay). (latest firmware installed.) However, whenever we have to reboot the router for any reason (i.e.-- changing certain settings), it takes a very, very long time to repopulate the DHCP table.
We have 27 wired and wireless devices on the network. They appear to get assigned IP addresses quickly (because the devices do work and access the Internet) but the devices do not show up in the DHCP table list. They slowly appear over a period of hours and hours.
The REFRESH button on the DHCP table updates the entries already in the list but does not add additional items to the list.
Is this normal? Is there anyway to speed up the process of populating the table? (Live Chat support was absolutely no help)

The DHCP table works the same on both of our computers (desktops running Windows 7). All the devices in the network were powered on. It just takes a couple of hours for everything to show up in the DHCP table. Some devices appear instantly upon a reboot of the router (maybe 5 or 6 devices) but to see the full population takes about 2 hours.
Its not the end of the world, but it seems odd that the IP numbers ARE all assigned right away-- they just take a long time to show up in the table.

Table entries not getting displayed in desired format

Hi All,
In my adobe layout I created a table . I used data format Align Right and align middle for the table entries. In the Output some entries of the table are not displaying in align right and align middle.
Output:In the below output the first row data is not in desired format .
Thanks in Advance,
Suneel.Uggina.

That is pretty to much information to help you.
You need to share your technical setting. How did you create the table? Subforms, Table-assistent... what are the values in? Format, what happens when you also pass more than 1 digit to the numbers in the first row, does it show up correct?
So please share more details and explain exact what you have tried to fix the issue. The community is able to help you, but not meant to suggest enaything you could have done.
~Florian

Right way to preserve all parent table entries in a join with many tables!!

This problem is quite interesting to me. I have asked this question to others but no body is able to provide me with proper answers.
The problem is: How do I join a huge parent table with many child tables (more than 5 child tables) preserving all of the parent table entries. Lets say there is the parent table parentTable and three child tables childTable1, childTable2, childTable3. In order to get the data after joining these tables the query that I have been using was:
select parent.field1, parent.field2, parent.field3, child1.field4, child1.field5, child2.field6, child3.field7 from ParentTable parent, childTable1 child1, childTable1 child2, childTable3 child3 where parent.fielda = child1.fieldb and parent.fieldc = child.fieldd and parent.fielde = child.fieldf.
Although the tables are huge (more than 100,000 entries), this query is very fast, however those parent table entries which do not have child entries are lost. I know that I can left join a parent table with a child table and then with the next child table and then with the next child table and continue. Isn't there a simple solution for this commonly happening problem?
Please provide suggestions please...

Hello Lakshmi,
Although I do not know exactly how to achieve what you want to achieve but I have seen DBAs/ABAPers in my experience can run queries/scripts using the COUNT function to give the actual number of line items per table for all your 100 or odd tables.
Rgds
CONMJI

Relationship between unknown SAP-TABLES

Hi Folks,
Lets take a scenario of populating an ouput internal table with fields from 4 unknown sap tables(relation between the tables is unknown). How can we check the relationship between those tables to populate the internal table..? What are the possible ways to check the relationship between tables..?
Can u please help me on this.
Thanks n regards,
ram.

Hi Ram,
 I tried the following method to find relation between tables and i think it is quite useful. I hope this will be of some use to you.
-> Goto SE11 and display one of the tables.
-> Click on the Graphic icon on the toolbar or use shortcut ctrlshiftF11
-> It displays all the related tables by foreign key and even gives you all check tables involved. If the list is a long one, you can even use Find option to check if the other tables you are trying to find relation with, exist in the screen.
 Hope this Helps!! Do get back!!
Regards,
Naveenan.

Function module to hold and release lock on MARD table entry

Hi Gurus,
Can you please tell me Function module to HOLD lock on MARD table and the Function Module to release lock on MARD table entry.
Thanks and Regards,
Sudipto

Look via SE11 lock objects, use F4 for tables MAR*, the best for your request is on MARC table with object EMMARCS, so use FM ENQUEUE_EMMARCS and DEQUEUE_EMMARCS.
Regards,
Raymond

Deletion of table entries(without maintenance view) in production

Hi Sap All.
here i have got a task to change the data type of one particular field and to delete all the table entries of this table in production.
so in Dev I have tired with z program saved in local object (DELETE FROM Table).
i just want to know how i can delete all the entries of table in production.
regards.
Varma

Hello,
You can also use transaction SE14.
Start SE14
Enter the table name
Select the radio button "Delete data".
Push the button "Activate and adjust database".
This will drop your table in the DB and recreate it as well as all related indexes.
Indexes are not impacted when you do a regular DELETE statement unless you rebuild your indexes.
Of course you can only do this if data can be deleted for a specific table in ALL clients.
Wim

Html error while downloading table entries to Excel.

Hi,
I am getting an error while downloading table entries from webdynpro to excel. After some entries below error script comes and this is not comming all the times.
Is this because of large size?Can anyone please suggest me on this?
Here is the dump:
[code]<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
 <title>Error Report</title>
<style>
td {font-family : Arial, Tahoma, Helvetica, sans-serif; font-size : 14px;}
A:link
A:visited
A:active
</style>
</head>
<body marginwidth="0" marginheight="0" leftmargin="0" topmargin="0" rightmargin="0">
<table width="100%" cellspacing="0" cellpadding="0" border="0" align="left" height="75">
<tr bgcolor="#FFFFFF">
 <td align="left" colspan="2" height="48"> 500 Internal Server Error</td>
</tr>
<tr bgcolor="#3F73A3">
 <td height="23" width="84"><img width=1 height=1 border=0 alt=""></td>
 <td height="23"><img width=1 height=1 border=0 alt=""></td>
 <td align="right" height="23">SAP J2EE Engine/6.40 </td>
</tr>
<tr bgcolor="#9DCDFD">
 <td height="4" colspan="3"><img width=1 height=1 border=0 alt=""></td>
</tr>
</table>
 
 Application error occurs during processing the request.
<table><tr><td valign="top"> Details:</td><td valign="top"><PRE><pre>com.sap.engine.services.servlets_jsp.server.exceptions.WebIllegalStateException: The stream has already been committed.
 at com.sap.engine.services.servlets_jsp.server.runtime.client.HttpServletResponseFacade.sendError(HttpServletResponseFacade.java:792)
 at com.sap.engine.services.servlets_jsp.server.runtime.client.HttpServletResponseFacade.sendError(HttpServletResponseFacade.java:780)
 at com.sap.engine.services.servlets_jsp.server.runtime.client.HttpServletResponseFacade.sendError(HttpServletResponseFacade.java:768)
 at com.sap.tc.webdynpro.serverimpl.core.url.WebDynproExchangeHandler.responseCachedWebResource(WebDynproExchangeHandler.java:98)
 at com.sap.tc.webdynpro.serverimpl.core.url.WebDynproExchangeHandler.doExchange(WebDynproExchangeHandler.java:189)
 at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doExchangeProcessing(DispatcherServlet.java:164)
 at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:119)
 at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doGet(DispatcherServlet.java:48)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
 at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:391)
 at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:265)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:345)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:323)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:865)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:240)
 at com.sap.engine.services.httpserver.server.Client.handle(Client.java:92)
 at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:148)
 at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:37)
 at com.sap.engine.core.cluster.impl6.session.UnorderedChannel$MessageRunner.run(UnorderedChannel.java:71)
 at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
 at java.security.AccessController.doPrivileged(Native Method)
 at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:94)
 at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:162)
</pre></PRE></td></tr></table>
</body>
</html>[/code]
Thanks,
Sanjeev

Hallo Sanjeev,
How do you exactly "download the table entries from Web Dynpro to Excel?"
I wrote a new Wiki Code Tutorial which demonstrates how to download an Excel file from a Web Dynpro Table UI element on-demand. In this scenario the resource gets re-created on every request. The solution is based on re-initializing the context with a new 0-byte resource object within the calculated context attribute getter method.
See <a href="https://wiki.sdn.sap.com/wiki/display/Snippets/ExportingTableDatainWebDynproJava-SAPNetWeaver04s">Exporting Table Data in Web Dynpro Java - SAP NetWeaver 04s</a>
Regards, Bertram

Doubt in customizing request with respect to table entries

Hi All,
I have a doubt in customizing request with respect to table entries.
Suppose I have a customizing request with respect to a table that contains say 10 entries in the development system.
Now I am transporting this request to the quality system in which the same table contains 20 entries.
When I am transporting this table from the development system to the quality system, will my 10 entries in the development system get added to the 20 entries in the quality system or will my table get overwritten in the quality system.
What difference will this be if it is a workbench request ? .
Regards,
Sushanth H.S.

Hello,
So if we are transporting contents of a table from one system to another, it should always be a customizing request and not a workbench request right.
If the "Delivery Class" of the table is 'C'(Customizing table, maintenance only by cust., not SAP import) it will ask for a customizing request.
If it is 'A'(Application table (master and transaction data)), it will ask for Workbench.
To add to your previous qn, when you transport the entries to subsequent system it will always check the KEY FIELDS and then update. If you see a transport, then the table entries are represented by their key fields.
If you create new entries in your table and transport, it will add the records. Else it will modify them
Hope i am clear.
BR,
Suhas
Edited by: Suhas Saha on Jan 23, 2009 11:51 AM

How to find out the changes made to the customized table entries

Hi Team
i want to know the changes made to the customized table. i have a 'Z' table in my production system, in that table i would like to know whether any table entry is deleted or not. if at all there is any deletion happened, i want to know who had done it.
So i request you to please let me know the procedure for the same.
Thanks
Raj

Hi Nagaraju,
Go to Table Maintenance (SM30)- Display mode-- Utilities-- change Logs. Give the Date range. before giving the date range click on display status , this will show you If the display is active or not. Kindly please let me know If you need any more information on this.
Regards
Ram Pedarla

No table entries found for specified key

Hi All,
I have developed a program to upload data from flat file with the help of GUI UPLOAD. It is succesfully updating data in my Z-table.
Whenever I tried to view the content of table for specific field, message shows No table entries found for specified key. However if I add * as a suffix, it shows the data & when I directly Execute table it also displays the data.
I have also cross checked the spaces before or after the specific content, no space found.
Only two fields are creating this issue Individually (one of them is key field)
Regards
Mukul Maheshwari

Hi Dear ,
Here i had implemented program go through it you can understand easily.
While creating table give one field as primary as you know that.
tables zdata1.
data it_tab type TABLE OF zdata1 WITH HEADER LINE.
CALL FUNCTION 'GUI_UPLOAD'
EXPORTING
 FILENAME = 'C:\Documents and Settings\E50039\Desktop\data.txt' ***************File path
 HAS_FIELD_SEPARATOR = 'X'
TABLES
 DATA_TAB = it_tab
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
 WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
LOOP AT it_tab.
zdata1-no1 = it_tab-no1.
zdata1-name = it_tab-name.
zdata1-empid = it_tab-empid.
insert zdata1.
ENDLOOP.
Flat file
1 name1 empid1
2 name2 empid2
note: Give the tabspace between values in flat file.
Edited by: Aditya.G on Oct 12, 2011 10:22 AM

Transporting table entries present in standard SAP R/3 table u201CTMCEXCFZu201D.

Hi All,
We have a requirement where in we need to capture a table entry in transport request in R/3.
The table "TMCEXCFZ" is a standard SAP R/3 table.
The" transport entries" option under the "table entry" in menu bar is disabled in our case.
Is there an alternative way to capture the table entries in the transport request?
Thanks for your help in advance.
Thanks and Regards
Arun Ail

Hi Arun
Try to go to object changeability in the table....assign the table in a package.....then try to save this...it should ask for a transport...
Hope this helps
Cheers
Chanda

Unusual / Unknown DHCP Table Entry

Similar Messages

Maybe you are looking for