On 6/5/2018 3:12 PM, Ray Li wrote:
Any idea about this?
Thanks,
Ray
On Tue, Jun 5, 2018 at 1:33 AM, Ray Li <[email protected]
<mailto:[email protected]>> wrote:
I'm testing ipfix on OVS, but I can't get it to work for some
reason. I'm running OVS 2.5.2
2.5.2 is very old. Could you try it with a more recent version? I
think there is a 2.9.3 out there.
- Greg
Here's my OVS output. I've left out the irrelevant fields
# ovs-vsctl list Flow_Sample_Collector_Set
_uuid : 5a4dacb6-034d-416a-861b-843a0f63bc9f
bridge : a1cfae07-227f-471b-a81a-c874eddc6b62
external_ids : {}
id : 1
ipfix : 460d8e4f-3404-4dc6-a960-706a728d3f3c
# ovs-vsctl list ipfix
_uuid : 460d8e4f-3404-4dc6-a960-706a728d3f3c
cache_active_timeout: []
cache_max_flows : []
external_ids : {}
obs_domain_id : []
obs_point_id : []
other_config : {}
sampling : 16
targets : ["192.168.5.2:10000 <http://192.168.5.2:10000>"]
# ovs-vsctl list bridge a1cfae07-227f-471b-a81a-c874eddc6b62
_uuid : a1cfae07-227f-471b-a81a-c874eddc6b62
ipfix : []
name : br.mx <http://br.mx>
# ovs-ofctl dump-flows br.mx <http://br.mx>
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=272.404s, table=0, n_packets=18392,
n_bytes=14687347, idle_age=0, priority=1,in_port=2
actions=sample(probability=65535,collector_set_id=1,obs_domain_id=20000,obs_point_id=30000),output:1
I'm assuming that probability=65535 means that every packet gets
sampled, according to OVS docs.
As you can see, there are traffic hitting the sample() action but
when I attach tcpdump to the interface I don't see any ipfix
traffic. I've disabled the firewall on this machine, and the
tcpdump shows other traffic to and from 192.168.5.2, so there
shouldn't be any network issue.
Am I missing something?
Thanks,
Ray
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