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Add support to run hsflowd in a dedicated (e.g. management) VRF.
Command will be "set system sflow vrf <name>" like with any other service
(cherry picked from commit 64473fa6f320375fb3d3de4de9e729f456ee5ae2)
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Add op-mode for sFlow based on hsflowd "show sflow"
Add machine readable format '--raw' and formatted output
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hsflowd will export the headers of dropped packets (along with the
name of the function in the Linux kernel where that skb was dropped)
as part of the standard sFlow feed.
This measurement complements the sFlow packet sampling and
counter-telemetry well because it provides visibility into the
traffic that is not flowing.
Very helpful for troubleshooting.
The limit (a rate limit max of N drops per second sent out in the
sFlow datagrams) is the parameter you would set in the CLI.
set system sflow drop-monitor-limit 50
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Add sFlow feature based on hsflowd
According to user reviews, it works more stable and more productive
than pmacct
I haven't deleted 'pmacct' 'system flow-accounting sflow' yet
It could be migrated or deprecated later
set system sflow agent-address '192.0.2.14'
set system sflow interface 'eth0'
set system sflow interface 'eth1'
set system sflow polling '30'
set system sflow sampling-rate '100'
set system sflow server 192.0.2.1 port '6343'
set system sflow server 192.0.2.11 port '6343'
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