Are you getting *any* packets in the PacketIn handler?
Have you tried running the forwarding.l2_learning component? Does it work? Do
you see it print log messages about installing table entries?
Have you read the last question of the POX FAQ?
-- Murphy
On Dec 20, 2013, at 2:58 AM, Nguyen Duc Thinh <ducthinh3081...@gmail.com> wrote:
> Dear Murphy,
> I am student and learning about POX. i have some trouble when catch ICMP
> Packet, i handle it in def _handle_PacketIn(self, event) function. When i
> have a ICMP packet, i will print "----------------ping
> ICMP-----------------", but nothing happen when i ping in mininet. This is my
> function:
>
> def _handle_PacketIn(self, event):
> swid = int(event.dpid)
> packet = event.parsed
> if packet.type == ethernet.LLDP_TYPE:
> return CONTINUE
> match = of.ofp_match.from_packet(packet, event.port)
> if (match.nw_dst == self.router_addr[swid][0] and match.dl_type ==
> packet.ARP_TYPE and match.nw_proto == arp.REPLY):
> self.learn_mac(match.nw_src,match.dl_src, event.port, swid)
> print "arp"
> '''print self.mac_table[match.nw_src][0]
> print self.mac_table[match.nw_src][1]
> print self.mac_table[match.nw_src][2]'''
> if (match.dl_type == packet.IP_TYPE and match.nw_proto ==
> ipv4.ICMP_PROTOCOL):
> # Bat goi tin ICMP
> print "------------------------------------ping
> icmp-------------------------------------"
>
> i added
> core.openflow.addListenerByName("PacketIn", self._handle_PacketIn)
> (in line 98)
> Could you give me some advices,please !
> Thanks in advance.
>
>
> --
> Nguyen Duc Thinh (Mr)
> Class: SET 03. Course: 54
> School of Electronics and Telecommunications
> Ha Noi University of Science and Technology (HUST)
> No.1 Dai Co Viet Road, Hai Ba Trung District, Ha Noi, Viet Nam
> Phone: (+84)01692079006
> Yahoo: ducthinhnguye...@yahoo.com
> Skype: ducthinhnguyen91
>
> <ex.py>
