At what OSI layer do IP multicasts lie? Reading through CCO has made me
more doubtful in my choices.
TIA
Robert
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I'm going to say the addresses are L3, udp used as transport is L4, and the
apps are L7, with some of the formats such as MPeg2 L6.
""Lopez, Robert"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> At what OSI layer do IP multicasts lie? Reading through CCO has made me
> more d
Robert,
Layer 3 is where multicasting takes place.
Raul
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Lopez, Robert
Sent: Thursday, June 27, 2002 4:42 PM
To: [EMAIL PROTECTED]
Subject: multicast [7:47591]
At what OSI layer do IP multicasts lie
At 04:42 PM 6/27/02, Lopez, Robert wrote:
>At what OSI layer do IP multicasts lie? Reading through CCO has made me
>more doubtful in my choices.
IP multicasts are sent to a layer 3 IP multicast address. That address is
converted to a data-link-layer multicast address. The Internet Assigned
Num
At 6:36 PM -0400 6/27/02, Priscilla Oppenheimer wrote:
>At 04:42 PM 6/27/02, Lopez, Robert wrote:
>>At what OSI layer do IP multicasts lie? Reading through CCO has made me
>>more doubtful in my choices.
>
>IP multicasts are sent to a layer 3 IP multicast address. That address is
>converted to a d
Did you copy/paste that right out of a textbook? =) Before I even saw
anything indicating that you authored that post, I got about 1/2 way through
the paragraph and was thinking to myself "This had to be from
Priscilla".
Mike W.
"Priscilla Oppenheimer" wrote in message
[EMAIL PROTECTED]">
A thanks to everyone who replied to this topic...
-Original Message-
From: Priscilla Oppenheimer [mailto:[EMAIL PROTECTED]]
Sent: Thursday, June 27, 2002 6:36 PM
To: [EMAIL PROTECTED]
Subject: Re: multicast [7:47591]
At 04:42 PM 6/27/02, Lopez, Robert wrote:
>At what OSI layer do
At 10:14 PM 6/27/02, Howard C. Berkowitz wrote:
> >IP multicast gets used for many purposes and those purposes may be at
> >different layers:
> >
> >Sending routing updates (EIGRP, OSPF, RIPv2) - Layer 3
> >Establishing routing protocol neighbor relationships (EIGRP, OSPF) -
Layer 3
> >Sending mu
In regards to the OSI specs, is it safe to say that IP multicasts exist at
layers 2 and 3?
-Original Message-
From: Priscilla Oppenheimer [mailto:[EMAIL PROTECTED]]
Sent: Friday, June 28, 2002 1:15 AM
To: [EMAIL PROTECTED]
Subject: Re: multicast [7:47591]
At 10:14 PM 6/27/02, Howard C
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