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Accounting interim jitter for pppoe, l2tp, pptp, ipoe
Closed, ResolvedPublicFEATURE REQUEST


In many cases when the router used as BRAS (Broadband Remote Access Server), on mass authorizations, it can take a negative effect on the radius server. To prevent this negative behavior when the RADIUS accounting packet floating we can use [radius]acct-interim-jitter=n

By default is not defined.

Specifies absolute maximum jitter value in seconds to be applied to accounting information interval. Calculate interim-interval+-acct-interim-jitter.

Proposed CLI command:

set service pppoe-server authentication radius acct-interim-jitter <n sec>


Difficulty level
Unknown (require assessment)
Why the issue appeared?
Will be filled on close
Is it a breaking change?
Unspecified (possibly destroys the router)
Issue type
Feature (new functionality)

Event Timeline


vyos@r4-roll# set service pppoe-server authentication radius acct-interim-jitter 3
vyos@r4-roll# commit

vyos@r4-roll# sudo cat /run/accel-pppd/
vyos@r4-roll# sudo cat /run/accel-pppd/pppoe.conf | grep jit

Dmitry assigned this task to Viacheslav.
Dmitry added a project: Restricted Project.

Works properly, tested on 1.3-rolling-202009290117.
One remark, jitter will be applied for all accounting packet except the first packet. The first packet is a flag that the session is started.

erkin set Issue type to Feature (new functionality).Aug 29 2021, 12:59 PM
erkin removed a subscriber: Active contributors.