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Knowledge Base

FAQ-What is the value of the rate limiter in the ANTI-DOS feature

Publication Date:  2012-07-25  |   Views:  163  |   Downloads:  0  |   Author:  Nuno Correia Silva  |   Document ID:  EKB0000379312

Contents

Issue Description

Q: 

What is the rate implemented in the ANTI-DOS features per protocol type?

Alarm Information

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Handling Process

A: 

GPBC board will check one time every other 78 s (periods), if this gemport receive  more than 78 protocol packets, and this situation sequence happened three times, OLT consider this one should be put into black-list.
In other words, if some gemport receive protocol packets continuously, the rate of that exceed 20 pps, and the period-time exceed 78 seconds, put it into black-list.

Root Cause

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Suggestions

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