[2020353] Added L3::Altiga class

DeviceMatrix.txt

@@ -91,6 +91,17 @@ note: Aironet based device
 device: AP350, AP340, CAP350, CAP340, 1200, AP4800
 note: Aironet based device
 
+device-family: Altiga
+class: Layer3::Altiga
+
+device: VPN3000
+note: The Cisco 3000 device can return duplicate interface names, while
+note: Netdisco expects unique interface names.  To ensure unique device names, I took a different approach than
+note: the Microsoft class; while the Microsoft class prepends the iid to each
+note: interface, I chose to append numbers only when an interface name would
+note: not be unique without one. Interfaces with unique names keer their
+note: ifDescr name.
+
 device-family: 1000
 duplex: no
 ver: 1