Support Knowledge Base

Solution Number: 828
Title: Obtaining a Hostid for FLEXnet licensing
Platform: All Platforms
Applies to: All Products
Versions: 3.3, 3.4
Created: April 1, 2002
Last Modified: May 23, 2008
Categories: Installation
Keywords: flexnet hostid host id

Problem Description

How do I obtain the FLEXnet (formerly FLEXlm) Hostid?

Solution

For many license types in the COMSOL product family, your COMSOL sales representative will ask you for some information in order to create installation codes. The server name is the network name of the computer, which can be just a name, (e.g., bart), a fully qualified ip-name (bart.simpson.com) or an ip-number (130.243.43.3). The hostid is the physical hardware number of the Ethernet Network Interface Card (NIC). The hostid is sometimes called Ethernet address or MAC-address (Media Access Control address). COMSOL uses the FLEXnet licensing system to create installation codes using the hostid and server name and possibly more information about your system.

For platform-specific information on obtaining FLEXnet hostids, please see the table below.

Hardware PlatformHostid Type this command on the license server: Example
Windows ethernet address ipconfig /all (remove hyphens from Physical address 00-11-11-4C-C2-BB) See below 0011114CC2BB
Linux ethernet address /sbin/ifconfig eth0 (remove colons from HWaddr 00:40:05:16:E5:25) 00400516E525
SUN 32-bit Hostid hostid 170a3472
Mac OS X ethernet address See below 00039377F4AC

OBTAINING THE HOSTID ON WINDOWS

  • Click the Start button. Click Run (on Vista, put the insertion point in the Start Search field).
  • Type in cmd and press Enter. The Command window will open.
  • Type in ipconfig /all and press Enter.
  • The FLEXnet Hostid is equal to the "Physical Address".
  • The server name is equal to the Host Name. If your IT administrators prefer to use a static IP Address for this particular license server, this IP Address could be optionally used in place of the Host Name.

Hostid for laptop PCs with WiFi adapters
If you plan to install on a laptop PC with a wireless network card, you should report the physical address of both listed adapters. If your sales representative asks you for the hard disk serial number instead of the hostid, type vol at the Windows command line prompt (see picture above). The output will look like
Volume Serial Number is 2C9F-5930. Please send this number to your COMSOL contact.

OBTAINING THE HOSTID ON MAC OS X

  • Launch the application Network Utility found in the Applications/ Utilities folder.
  • Select the Info tab on the left.
  • Select Network Interface (en0) - this corresponds to your Ethernet card. Do not select Network Interface (fw0).
  • The Hostid is the Hardware Address, which is displayed below, with the colons removed. Click on the image to view an enlarged version.

    Obtaining Hostid, Mac OS X
  • If you plan to install on a Macintosh laptop with a wireless network card, please report the hardware address for both Network Interface (en0) and Network Interface (en1). These numbers should each consist of 12 characters.
  • To find the server name, open the application Terminal found in the Applications/Utilities folder.
  • Type "hostname" (no quotes). This is the current host name of the Mac. This may or may not correspond to the IP Address shown underneath the Hardware Address in the Network Utility, depending on where the Mac gets its IP address and hostname.
  • Optionally, the server name is equal to the IP Address that corresponds to the hostname found from the "hostname" command. Use the results of the "hostname" command and enter this host name into the "network address to ping" field under the Ping tab of the Network Utility. Press the Ping button, and you'll see the IP address in parentheses after the hostname you typed.

    Obtaining Hostid, Mac OS X

Click on the image to see an enlarged version.

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