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IMPOSSIBLE : cisco switch : how to give a device this IP

By endless.moon ·
SO i am trying to configure a client (STB) to get the following IP : 225.50.50.52; (yes its a multicast )
and the host can take any IP ;
the host and client must be on the same VLAN.
the host will stream the image to the client.

i am using a 3560 cisco switch , but the problem is this IP is reserved , see the output:

----------------------------------------------------------------------------
Switch(dhcp-config)#address 225.50.50.52 hardware-address 0002021FF9FC
% This command may only be used with 'network' pools
-----------------------------------------------------------------------------
any idea how to bypass this or how can i give the device this multicast IP

thx ur my savior


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if you thought about the problem, the solution

by CG IT In reply to IMPOSSIBLE : cisco switch ...

would be self evident....

if your streaming to a host, then how are you streaming the content? given that method, then what does the host need to receive the streamed content?

the answer to your question "how to allow a client to receive streaming content" isn't in how a host gets an address. Users who view videos or pictures on youtube or any internet radio that streams content to users doesn't provide those users with network addresses.

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thx but

by endless.moon In reply to if you thought about the ...

this STB need to receive a boot image through 3 multicast ip and same port say: 225.50.50.52 & 225.50.50.53 & 225.50.50.54 (AmiNET110 mboot","AmiNET110 upgrd";"AmiNET110 fisys".)
now the stb need to be on the same network of the 3 multi ip 225.50.50.0/24 (hardware restriction).

i can setup cisco switch to give the port a specific non unicast IP , but then how can i send the image of the Ip trio at the same time ;

i'll try to setup the linux server (which is recommended for my STB).
http://forum.videolan.org/viewtopic.php?f=4&t=31168&p=137142&hilit=aminet+110+dhcp\#p137142

anyway i just want to know if there is someway i can let the cisco switch give a multicast IP to a specific device on a specific port .
THX so much :)

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Look , the 3560 is a PoE switch since it's a switch

by CG IT In reply to thx but

The question is : "Does a switch provide clients with addresses"? if not what does.

The next question is do clients need multicast addresses to receive multicast traffic? The answer is typically no, provided the host doesn't block multicast traffic.

and if you use 224.0.0.1 multicast host addressing, it should work with no problem.

Note: multicast is one to many and as long as the hosts will accept multicast traffic, they should get it.

I'd look at the host computers setup if they aren't receiving multicast traffic on the lan or whether any routers the traffic must pass through doesn't block multicast traffic.

but here's the question, if hosts do get the multicast traffic, then what are they supposed to do with the multicast data?

you mention a boot image but how are hosts going to know what to do with multicast traffic once they get it? boot to the image? how do they know how to do that?

I think there is where your real problem is. Hosts knowing what to do with the traffic not whether they get the traffic.

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THx CG IT , and here's the answers

by endless.moon In reply to Look , the 3560 is a PoE ...

Q1:""Does a switch provide clients with addresses"? if not what does. ""
yes it can , but i was trying to give a (multicast IP) reserved ip to the STB device ( got wrong documentation ) ,but i couldn't.

Q2 ""do clients need multicast addresses to receive multicast traffic?""
No , there was an error in the dhcp configs given at the first time , Quote : "answer is typically no, provided the host doesn't block multicast traffic. " indeed .

Q3:"here's the question, if hosts do get the multicast traffic, then what are they supposed to do with the multicast data?
you mention a boot image but how are hosts going to know what to do with multicast traffic once they get it? boot to the image? how do they know how to do that?"

first the host stream the boot image which consists of 2 files , sent each on different multicast IP , the STB receive the multicast traffic and by default it takes the traffic from a predefined specific IP (and port )as the first file and the traffic from another specific IP as the second , and ur good to go.

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