UPnP explanation?

[mike <dmciscobgp () hotmail com>]

hello again
 
just curious on this output i just got back. standard UPnP discover/M-SEARCH message prove from nmap script sent to my 
home router and i got this back. my question is "why all the duplications?"
 
UPnP: NT/5.0 UPnP/1.0Location: http://192.168.1.1:80/upnp/service/descrip.xmlWebserver:  UPnP/1.0 UPnP-Device-Host/1.0 
Name: NR041  Manufacturer: LinkSys  Model Descr: Cable/DSL 4-port Router  Model Name: NR041 Name: NR041  Manufacturer: 
LinkSys  Model Descr: Cable/DSL 4-port Router  Model Name: NR041  Model Version: 1 Name: NR041  Manufacturer: LinkSys  
Model Descr: Cable/DSL 4-port Router  Model Name: NR041  Model Version: 1
 
also, does this UPnP probe work on every port 1900 enabled? does something have to be in place? my roomate has UPnP 
open as we speak and i can send this message to him all day long and i get nothing back at all. so Windows machines 
running UPnP are not considered valid devices???? (would it work to elicit a response if you fired off a NOTIFY packet 
instead?)
 
thanks
M|ke
 
 
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