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Touching ground: data aggrega+on & <br />
custom-‐defined primi+ves <br />
§ Config file snippet: <br />
! …<br />
aggregate[int_traffic_matrix]: peer_src_ip, \<br />
mplsTopLabelIPv4Address<br />
!<br />
aggregate_primitives: /path/to/primitives.lst<br />
! … <br />
§ Custom primi+ve defini+on: <br />
! …<br />
name=mplsTopLabelIPv4Address field_type=47 len=4 semantics=ip<br />
! … <br />
Node-to-node internal TM<br />
(egress <strong>NetFlow</strong>)<br />
mplsTopLabelIPv4Address<br />
not supported natively, let’s<br />
define it!<br />
Primitive name,<br />
will be used for<br />
everything<br />
<strong>NetFlow</strong> field type,<br />
IPFIX Information Element<br />
<strong>NetFlow</strong>/IPFIX<br />
field length<br />
Data presentation: [ u_int,<br />
hex, ip, mac, str ]
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