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Wired and wireless difference on Cisco DPQ3925

williams_pd
Level 1
Level 1

Hi - I've been over on a Microsoft forum trying to solve a Media Sharing problem with Windows Media Player 11:

http://social.answers.microsoft.com/Forums/en-US/xpmusic/thread/11e8e635-4941-4a29-b95c-993587cda407

It's looking more and more to me like the problem is being caused by the router. The DPQ3925 is a DOCSIS 3.0 cable modem with a 4 port wired / 802.11n wireless router. It provides my home internet connectivity and routing for 3 home computers - 2 laptops on VISTA and one desktop on XP. File sharing works fine between the computers.

The problem is that when I try to use Windows Media Player 11 as a media server, only those devices that are on the same network infrastructure (wired or wireless) are visible. By this I mean, a wireless laptop will only see another wireless computer; it does not see any wired computer. Conversely, a wired computer will only see another wired computer; it does not see any wireless computers. This all through the same router.

I know it sounds bizare - it shouldn't matter whether the computers are wired or wireless, but this is where I've got to, and hours of trawling the net show others have the same problem. I haven't tried it yet, but someone solved this by changing to another router (he wasn't using a Cisco router), demonstrating that it was a router issue.

Does anyone have any clues on this?

Thanks.

Peter

(Sydney)

1 Reply 1

williams_pd
Level 1
Level 1

Found some more threads suggesting this is a problem with the DPQ3925:

http://forums.whirlpool.net.au/forum-replies.cfm?t=1510259#r3

(see third post)

http://forums.whirlpool.net.au/forum-replies.cfm?t=1377944#r1

http://forums.whirlpool.net.au/archive/1504463

Surely a Cisco router should be able to pass multicast traffic between its wireless and wired interfaces??