Yeah, we started building this FAQ here as well: 
http://2pintsoftware.com/2psfaqs/

Covers most things, but not the MC bit, might add that.

//A

From: [email protected] [mailto:[email protected]] On 
Behalf Of Jason Wallace
Sent: den 19 december 2014 18:45
To: [email protected]
Subject: Re: [mssms] PeerDisc QQ

So I have seen on a customer who has switches configured to prevent MC.

I really had never pulled the thing apart that much as until this week it 
always just worked.  It would likely be too much hassle as you said to extend 
this across multiple subnets


On 19 Dec 2014, at 17:41, Andreas Hammarskjöld 
<[email protected]<mailto:[email protected]>> wrote:
Yeah, its MC and not BC. So in theory if you want the headache you can enable 
MC across the subnets and have one cache domain. Not worth the headache IMHO, 
depending on link speed/clients.

//A

From: [email protected]<mailto:[email protected]> 
[mailto:[email protected]] On Behalf Of Jason Wallace
Sent: den 19 december 2014 16:43
To: [email protected]<mailto:[email protected]>
Subject: RE: [mssms] PeerDisc QQ

Actually folks I think I answered my own question.  We are based on SOAP over 
UDP and that is multicast based.

________________________________
From: [email protected]<mailto:[email protected]>
To: [email protected]<mailto:[email protected]>
Subject: [mssms] PeerDisc QQ
Date: Fri, 19 Dec 2014 15:09:49 +0000
Hi folks

OK, dumb query of the day

My understanding is that BranchCache Distributed Mode is designed to work on a 
subnet by subnet basis.  So, if we have a remote office with 2 subnets on it, 
192,168.10.0 and 192.168.20.0 then we are guaranteed to have 2 cache domains 
(if that’s what they’re called)

If that’s the case then I’d expect PeerDisc to pump out packets 
255.255.255.255:3702 but it does not - 
http://technet.microsoft.com/en-us/library/dd837649(v=WS.10).aspx<http://technet.microsoft.com/en-us/library/dd837649%28v=WS.10%29.aspx>
 says (and packet traces prove) that the DIP is 239.255.255.0:3702

Why are we using multicast addresses for this then?

Jason






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