Multicast between Layer 3 and Layer 2 on a Cisco 861

The nearest article to my question that I was able to find on EE is: "Cisco 861 ip multicast-routing command", but the question seemed to be left hanging. I have spent many fruitless hours trying to find an answer and hope the experts can give me some direction.

I have a client who needs to be able to send a UDP multicast over non-standard ports from a server device to receiving clients (see attached diagram). He has purchased a Cisco 861 for this project. When I run a sniffer, the server broadcast destination is port 255.255.255.255. When I connect the server and a workstation on the same VLAN, the devices work as desired, however that does not meet the clients objective. He wants to be able to isolate the server and each of the clients to its own subnet and control TCP via ACL.

Cisco documents reference a real world example of the trading floor, where data is sent to multiple workstations via multicast, but I could find no reference to the routers which were used.

Is it possible to meet the clients goals with this hardware? What is the best way to accomplish this (if it is capable)? Is there a better router for the desired results?
 Cisco-861.pdf
BPGAssociatesAsked:
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BPGAssociatesAuthor Commented:
I have implemented the changes on the router, but it did not change the results. I expect that I will need to get a different router. Thanks for your assistance.
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Istvan KalmarHead of IT Security Division Commented:
Hi,

As I remember 861 not capable for multicast routing... 255.255.255.255 is broadcast so you need to configure ip helper address, and enable ip forwarding protocoll UDP
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BPGAssociatesAuthor Commented:
I will try that when I get back to the lab tomorrow afternoon. lf the 861 is not capable of multicast routing, what series of routers is?
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BPGAssociatesAuthor Commented:
ikalmar was timely with a response and was able to guide me in to the proper answer, which is to contact Cisco for hardware recommendations.
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BPGAssociatesAuthor Commented:
The quality of the response from the Experts affirms my reasons for renewing year after year.
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Istvan KalmarHead of IT Security Division Commented:
Hi,

I think you need an L3 switch how much many the budget?


Best regards,
Istvan
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BPGAssociatesAuthor Commented:
This part of the project is 'proof of concept' to replace the existing linux based computers currently being used. As with most companies, they want to invest as little as possible, but will invest what is necessary to meet the projects goals.
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Istvan KalmarHead of IT Security Division Commented:
Hi,

I advise to buy oldest 3550 cisco switch
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