Hyper V internal network no ping between real and virtual server
Hi
I have a 2012 server with a static 192.168.1.102 ip address and a 255.255.255.0 subnetmask. This server can be pinged by other servers.
On this server I have Hyper V installed, and configured a virtual
internal network switch.
In Hyper V, I installed a 2012 server, using the virtual internal network switch, with the static 192.168.1.111 ip address and 255.255.255.0 subnetmask. The virtual server can ping other virtual computers using the same virtual internal network switch.
However, the host server can't ping the virtual server and vice versa. What am I doing wrong? I there something else that needs to be configured?
Hi,
If you want to connected your guest vm and your host you must setting this vms to the same virtual switch and at the same subnet, the Hyper-V internal virtual switch can't connect the host directly.
More information:
Hyper-V: What are the uses for different types of virtual networks?
http://blogs.technet.com/b/jhoward/archive/2008/06/17/hyper-v-what-are-the-uses-for-different-types-of-virtual-networks.aspx
Hope this helps.
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Copyright (c) 1991, 2010, Oracle. All rights reserved.
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=========================================================================================================================================================
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Copyright (c) 1997, 2010, Oracle. All rights reserved.
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(SID_DESC =
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(ORACLE_HOME = C:\oraclexe\app\oracle\product\11.2.0\server)
(PROGRAM = extproc)
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(PROGRAM = hsodbc)
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(CONNECT_DATA=(SID=SQLSRVRDBLNK)
(HS=OK)
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Copyright (c) 1991, 2010, Oracle. All rights reserved.
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Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1ipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.60.146)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\PNPKEYipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1522)))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "SQLSRVRDBLNK" has 1 instance(s).
Instance "SQLSRVRDBLNK", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
========================================================================================================================
Still Getting the same Error
C:\Documents and Settings\Administrator>tnsping SQLSRVRDBLNK
TNS Ping Utility for 32-bit Windows: Version 11.2.0.2.0 - Production on 20-JUL-2013 12:27:52
Copyright (c) 1997, 2010, Oracle. All rights reserved.
Used parameter files:
C:\oraclexe\app\oracle\product\11.2.0\server\network\admin\sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION=
TNS-12533: TNS:illegal ADDRESS parameters
C:\Documents and Settings\Administrator>
========================================================================================================================
Do we need to change any thing in sqlnet.ora file for heterogeneous connection?
Thanks ,
Manish -
JDBC Connection between Unix and SQL Server 2000
I have SQL Server 2000 installed in a pc as a data server and SQL Server 2000 JDBC Drive installed in a Unix machine. Both machines are connected and can ping each other. After setting up the environment data, I ran a test code to test the connection and got exceptions. ( I did the same process between a pc and the data server, it works well.)
Attached are the test code and error message. Hope someone can help me.
******* Test Code ********
import java.sql.*;
* Microsoft SQL Server JDBC test program
public class Test {
public Test() throws Exception {
// Get connection
DriverManager.registerDriver(new
com.microsoft.jdbc.sqlserver.SQLServerDriver());
Connection connection = DriverManager.getConnection(
"jdbc:microsoft:sqlserver://<hostname>","<username>","<password>");
if (connection != null) {
System.out.println();
System.out.println("Successfully connected");
System.out.println();
// Meta data
DatabaseMetaData meta = connection.getMetaData();
System.out.println("\nDriver Information");
System.out.println("Driver Name: "
+ meta.getDriverName());
System.out.println("Driver Version: "
+ meta.getDriverVersion());
System.out.println("\nDatabase Information ");
System.out.println("Database Name: "
+ meta.getDatabaseProductName());
System.out.println("Database Version: "+
meta.getDatabaseProductVersion());
} // Test
public static void main (String args[]) throws Exception {
Test test = new Test();
******* error message ********
Exception in thread "main" java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.
at java.lang.Throwable.fillInStackTrace(Native Method)
at java.lang.Throwable.fillInStackTrace(Compiled Code)
at java.lang.Throwable.<init>(Compiled Code)
at java.lang.Exception.<init>(Compiled Code)
at java.sql.SQLException.<init>(SQLException.java:64)
at com.microsoft.jdbc.base.BaseExceptions.createException(Unknown Source)
at com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
at com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
at com.microsoft.jdbc.sqlserver.tds.TDSConnection.<init>(Unknown Source)
at com.microsoft.jdbc.sqlserver.SQLServerImplConnection.open(Unknown Source)
at com.microsoft.jdbc.base.BaseConnection.getNewImplConnection(Unknown Source)
at com.microsoft.jdbc.base.BaseConnection.open(Unknown Source)
at com.microsoft.jdbc.base.BaseDriver.connect(Unknown Source)
at java.sql.DriverManager.getConnection(Compiled Code)
at java.sql.DriverManager.getConnection(DriverManager.java:137)
at Test.<init>(Test.java:10)
at Test.main(Test.java:32)
************ end of message ***********If it works from a PC and not from the Unix box then you may have a network issue of some sort, I.E. firewall not letting it through etc.
Try using telnet on the Unix box to see if you can connect to the sql server on the port that the SQL server is listening.
E.G.
telnet server_name 1433
You may need to change the port number to the one that the SQL server is using.
Col -
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We want to implement the SRM server and present the supplier web/page in the portal server. Our SRM and portal server install in intranet network.
For internal employee use the SRM server and the Supplier access the portal server via Internet, we install Web Dispather in DMZ to exchange the HTTP request.
Network TOP like this :
SRM server--Portal||FireWall||-Web Dispatcher--Supplier
(--Internal|firewall--|DMZ|-Internet )
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So ,it seems that no way to implement this ,right? Or any other way to implement it ?thanks
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We recently added a CSMARS box to our infrastructure so it could correlate and report on our 4260's alerts. I've noticed that CSMARS is reporting on ICMP's from multiple hosts within our network sending ICMP packets to our Exchange server. The total amounts of packets are between 15 and 30 and then the ICMP's from the specific clients stop.
I know that Windows XP clients will send ICMP traffic to domain controllers in order to test connectivity and I'm wondering if we're seeing the same occurrence with our Exchange clients.
Thanks,
JavierHi, the signature that is firing is ICMP Flood
Signature ID: 2152/0. According to Cisco's site this signature should not fire under normal circumstances. However, when we first setup the IPS sensor it would deny all vpn users' access to our exchange server as the Win Nuke signature kept firing. Of course this was a false positive.
However, once I tweaked the CSMARS rule a bit the noise calmed down and it reported on two hosts that were trying to send ICMP floods to Google.
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