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AndreasT
Asked: 2013-05-24 22:50:15 +0800 CST

Windows: Get the interface number of a NIC

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I have the following problem: I have a server with a rather dynamic network configuration and need to configure routes on it with the IF parameter:

route add  ... mask ... ... if ?

Is there a reliable way, manual and or programmatical, to get that interface number if I know just about everything else about that adaptor?

windows-server-2008

4 Answers

  1. You can see that info also when you run the route print command. It's the first thing displayed. The index is the first column

    ===========================================================================
Interface List
 13... ......Bluetooth Device (Personal Area Network)
 10... ......Intel(R) 82566MM Gigabit Network Connection
 11... ......Intel(R) Wireless WiFi Link 4965AG
 17... ......VMware Virtual Ethernet Adapter for VMnet1
 18. . ......VMware Virtual Ethernet Adapter for VMnet8
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  2. The following command displays the list of interfaces:

    netsh int ipv4 show interfaces

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  3. Since you know everything else about the adaptor, and since you are using Server 2008, you can (and should) just add your routes with netsh using the interface name: 

    netsh int ipv4 add route <remote netid>/<remote netmask> <interface name> <next hop>

    Use of the route command is generally deprecated in 2008+.

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  4. You can using PowerShell:

    Get-WMIObject Win32_networkadapter | Select-Object Name, AdapterType, InterfaceIndex | Format-List
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