:Hi
I want to collect statistics from flows based on IP source and IP destination.
I used this code to add flow.
if(pkt.get_protocols(ethernet.ethernet) and pkt.get_protocols(ipv4.ipv4)):
(ip4,) = pkt.get_protocols(ipv4.ipv4) ipsrc = ip4.src
ipdst = ip4.dst protocol = ip4.proto
match = parser.OFPMatch(in_port=in_port, eth_dst=dst, eth_src=src,
eth_type=ether_types.ETH_TYPE_IP,
ipv4_src=ipsrc, ipv4_dst=ipdst ) else: match =
parser.OFPMatch(in_port=in_port, eth_dst=dst, eth_src=src) print
match
when the stat reply comes, it runs successfully with the message that has
ip_src, ip_dst, but it gives Key error with that does'n have them.
I sent ICMP messages. I want to know what exactly the packet that does not have
ip_src, ip_dst? So it caused this error?
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