Hi Again,
I've noted that "Packet_match_event" is not included in nox/src/etc/nox.json,
so I added it like:
"Packet_match_event":[
"dnsspy"
],
but it doesn't work.
Also I tried :
"Packet_in_event": [
"dnsspy",
"trackhost_pktin",
...
"cswitchstats"
],
but it doesn't work niether.
The problem is that "self.register_for_packet_match(self.handle_dns, 0xffff,
match_src)" is NEVER triggerd!!
According to the code (below) in dnsspy, every dns packet should be sent to the
controller (even if the switch already knows the route to the dns server),
right??
# Make sure we get the full DNS packet at the Controller
self.install_datapath_flow(dpid,
{ core.DL_TYPE : ethernet.ethernet.IP_TYPE,
core.NW_PROTO : ipv4.ipv4.UDP_PROTOCOL,
core.TP_SRC : 53 },
openflow.OFP_FLOW_PERMANENT,
openflow.OFP_FLOW_PERMANENT,
[[openflow.OFPAT_OUTPUT, [0,
openflow.OFPP_CONTROLLER]]])
Thank you very much,
Ibrahim
From: ibrahim.me...@alumnos.upm.es
To: jam...@nau.edu
CC: nox-dev@noxrepo.org
Subject: RE: [nox-dev] Adding DNS functionality to nox
Date: Fri, 19 Aug 2011 11:02:28 +0200
Hi Murphy, All,
This may be a silly question but I can't figure it out! it seems that dnsspy
component in not matching the dns packet because the packet is handled by the
switch component, should I modify priority of components (how)? or all packets
are treated by all components?
I run:
./nox_core -v -i ptcp: pyswitch dnsspy
in dnsspy.py I have:
def handle_dns(self, dpid, inport, ofp_reason, total_frame_len, buffer_id,
packet):
log.msg("****It matches!!**** " )
but nox doesn´t show any "****It matches!!****" message, also tcpdump eth shows
taht dns packets are sent to switch.
Thanks,
Ibrahim
Subject: Re: [nox-dev] Adding DNS functionality to nox
From: jam...@nau.edu
Date: Thu, 18 Aug 2011 01:34:28 -0700
CC: nox-dev@noxrepo.org
To: ibrahim.me...@alumnos.upm.es
You're not missing anything; that's about it.
-- Murphy
On Aug 18, 2011, at 1:30 AM, ibrahim mun wrote:Hi, I'm using zaku, I wonder if
I can use dnsspy.py to add basic dns functionality to NOX.
As I understand, Running the dnsspy component will allow nox to match and parse
DNS packets, so I can modify "handle_dns" to create a DNS replay and send it
out to the inport, right? Am I missing something?
Thanks,
Ibrahim_______________________________________________
nox-dev mailing list
nox-dev@noxrepo.org
http://noxrepo.org/mailman/listinfo/nox-dev
_______________________________________________
nox-dev mailing list
nox-dev@noxrepo.org
http://noxrepo.org/mailman/listinfo/nox-dev
