regarding ip address

[Former Member]

hi gurus,

can anyone explain why we need to give an IP address while we install sap on a standalone system . if possible can u provide any links which help me in this regard.

thanking you in advance,

vikram krishna.

[Former Member]

Hello Vikram,

The default loopback in Windows is 127.0.0.1

You could edit the Windows host file using the following command from "Run" in the Windows "Start" menu (assuming install defaults):

notepad c:\windows\system32\drivers\etc\hosts

Example:

1. Copyright (c) 1993-1999 Microsoft Corp.

#

1. This is a sample HOSTS file used by Microsoft TCP/IP for Windows.

#

1. This file contains the mappings of IP addresses to host names. Each

2. entry should be kept on an individual line. The IP address should

3. be placed in the first column followed by the corresponding host name.

4. The IP address and the host name should be separated by at least one

5. space.

#

1. Additionally, comments (such as these) may be inserted on individual

2. lines or following the machine name denoted by a '#' symbol.

#

1. For example:

#

1. 102.54.94.97 rhino.acme.com # source server

2. 38.25.63.10 x.acme.com # x client host

127.0.0.1 localhost

127.0.0.1 [PUT SERVER NAME REFERENCED IN SAP INSTALL HERE]

Or you could even put "localhost" for the server name:

H:\>ping localhost

Pinging TWAGNERLTP [127.0.0.1] with 32 bytes of data:

Reply from 127.0.0.1: bytes=32 time<1ms TTL=128

Reply from 127.0.0.1: bytes=32 time<1ms TTL=128

Reply from 127.0.0.1: bytes=32 time<1ms TTL=128

Reply from 127.0.0.1: bytes=32 time<1ms TTL=128

Ping statistics for 127.0.0.1:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 0ms, Maximum = 0ms, Average = 0ms

Hope that helps,

Thomas

[Former Member]

Hi Vikram,

As per my understanding SAP is basically a software which is installed on a server, i mean it is a server, and you connect it with front end (SAP GUI) so it is necessary to connect to a server that you must have a local area netowork, if your system is standalone then you have to provide a virtual lan which is microsoft loop back adapter.

Hope it helps

Regards

Subhash

[Former Member]

Hi friend,

We need to assign IP address to a system bcoz SAP is a Client-Server S/W. As SAP is Client-Server dependant S/W it is compulsary to give IP Address. While installing SAP in a System we need to add loopback Adapter which will create a virtual Network.

[Former Member]

SAP application servers (regardless if ABAP or JAVA) are client server applications.

The enduser is using a Webbrowser or SAPGUI connected to the application server via TCP/IP.

Whithout IP-Address you will have no TCP/IP, no communication between the client user interface and the application server running your programs.

There is no difference in architecture if you install on a standalone machine.

If your computer is not connected to a network you can also install a Loopback Adapter to get TCP/IP working on your computer

regards

Peter

[Former Member]

Hi Vikram

According to me Ip address is needed during SAP installation as it creates some global directories and local directories...so it tries to ping itself and check whether its fyn or not.

I got error while installin IDES at sum client site...coz of this ip address...

The folder sapmnt is a global folder which is shared.

The system checks the connection to itself while installing...

Regards

Sumit

[reward with points if useful]