netflow sampling on junos

netflow sampling

Variable:
set forwarding-options sampling instance pmacct family inet output inline-jflow source-address <routerLO>
set forwarding-options sampling instance pmacct family inet6 output inline-jflow source-address <routerLO>
set protocols bgp group Netflow local-address <routerLO>
set protocols bgp group Netflow peer-as <routerASN>   #ibgp, pmacct accepts any AS#
set protocols bgp group Netflow local-as <routerASN>   

MX > 104: set chassis fpc X sampling-instance pmacct
MX104   : set chassis afeb slot 0 sampling-instance pmacct
MX80    : set chassis tfeb slot 0 sampling-instance pmacct

----

set forwarding-options sampling instance pmacct input rate 1000
set forwarding-options sampling instance pmacct family inet output flow-server <collector> port 2100
set forwarding-options sampling instance pmacct family inet output flow-server <collector> version-ipfix template ipv4
set forwarding-options sampling instance pmacct family inet6 output flow-server <collector> port 2100
set forwarding-options sampling instance pmacct family inet6 output flow-server <collector> version-ipfix template ipv6

set forwarding-options family inet6 route-accounting

set services flow-monitoring version-ipfix template ipv4 flow-active-timeout 300
set services flow-monitoring version-ipfix template ipv4 flow-inactive-timeout 30
set services flow-monitoring version-ipfix template ipv4 template-refresh-rate seconds 60
set services flow-monitoring version-ipfix template ipv4 ipv4-template
set services flow-monitoring version-ipfix template ipv6 flow-active-timeout 300
set services flow-monitoring version-ipfix template ipv6 flow-inactive-timeout 30
set services flow-monitoring version-ipfix template ipv6 template-refresh-rate seconds 60
set services flow-monitoring version-ipfix template ipv6 ipv6-template

set protocols bgp group Netflow type internal
set protocols bgp group Netflow import BGP_reject
set protocols bgp group Netflow family inet any
set protocols bgp group Netflow family inet6 any
set protocols bgp group Netflow local-as no-prepend-global-as
set protocols bgp group Netflow neighbor <collector>

set groups external-links interfaces <*> unit <*> family inet sampling input
set groups external-links interfaces <*> unit <*> family inet sampling output
set groups external-links interfaces <*> unit <*> family inet6 sampling input
set groups external-links interfaces <*> unit <*> family inet6 sampling output