Re: [Ryu-devel] Multiple Extension Headers

2013-10-21 Thread Gabriele Gerbino
>can you tell us the exact symptom of "cannot deliver"? I have a code like this into the __init__ class input = open('/home/user/ryu/ryu/app/prtr','r') global prefixtrusted prefixtrusted = (input.readline()) input.close() When I extract the prefix from the packet_in, it

Re: [Ryu-devel] Multiple Extension Headers

2013-10-21 Thread YAMAMOTO Takashi
> Hi, > don't worry, your english is good enough :) > > IPv6 is designed so that you can add multiple headers into a single packet > (basically, that's a different way to implement the old "options" IPv4 > header field) and I called "chain" this configuration. What I want to do is > to find a solu

Re: [Ryu-devel] Multiple Extension Headers

2013-10-21 Thread Yuichi Ito
Hi, thank you for your reply. On Mon, 21 Oct 2013 08:15:15 +0200 Gabriele Gerbino wrote: > Hi, > don't worry, your english is good enough :) > > IPv6 is designed so that you can add multiple headers into a single packet > (basically, that's a different way to implement the old "options" IPv4 he

Re: [Ryu-devel] Multiple Extension Headers

2013-10-20 Thread Gabriele Gerbino
Hi, don't worry, your english is good enough :) IPv6 is designed so that you can add multiple headers into a single packet (basically, that's a different way to implement the old "options" IPv4 header field) and I called "chain" this configuration. What I want to do is to find a solution for the p

Re: [Ryu-devel] Multiple Extension Headers

2013-10-20 Thread Yuichi Ito
Hi, if it is alright, please tell me. On Sat, 19 Oct 2013 18:53:53 +0200 Gabriele Gerbino wrote: > Hi, > I'm trying to implement a RA Guard-like solution, improving it with the > possibility of detect the presence of a RA Header into an extension header > chain. Do you mean that 'RA Header' i

Re: [Ryu-devel] Multiple Extension Headers

2013-10-19 Thread Gabriele Gerbino
I'm sorry, I forgot to mention that the remaining code is the simple_switch.py example Gabriele 2013/10/19, Gabriele Gerbino : > Hi, > I'm trying to implement a RA Guard-like solution, improving it with the > possibility of detect the presence of a RA Header into an extension header > chain. I ca

[Ryu-devel] Multiple Extension Headers

2013-10-19 Thread Gabriele Gerbino
Hi, I'm trying to implement a RA Guard-like solution, improving it with the possibility of detect the presence of a RA Header into an extension header chain. I can detect it, but seems like there is some problem about the forwarding procedure: if the RA header is the first of chain I can filter it