ADTRAN Total Access 5000 Deployment Guide

Section 4, EoCu Provisioning - Provision Policers in the NetVanta 838
65K510DEP08-1A 4-27
Provision Policers in the NetVanta 838
Thissubsectiondetailsthefollowing information:
• DefinitionofPolicers
•StepsforconfiguringPolicers
•Policerexample
Policer Definition
Policingisaratebasedadmissioncontrolfunctionutilizingaleakybucketalogrithm(see
Figure4‐2).Apolicerkeepsnon‐conformanttrafficfromenteringthenetworkanddegrading
othercustomersand/orservices.
Figure 4-2. Bucket Alogrithm
TheCommittedInformationRate(CIR)equalstherateguaranteedtotheuser.Alltrafficflow
belowthis
rateisconsidered“green”.
TheExcessInformationRate(EIR)equalstherateaboveandbeyondtheCIRthatisallowedto
passthroughthepolicer.Thistrafficismarked“yellow”bysettingtheDEI/CFIbitonthe
802.1qVLAN tag.Ifsettozero,thepolicerisconsideredaonerate
policer(greenonly,no
yellow).Ifsettonon‐zero,thepolicerisconsideredatworatepolicer.
INGRESS
CBS
EBS
CIR
EIR
Dropped

ADTRAN Total Access 5000 Specifications

Interfaces

craft interface	DB-9 RS-232 Electrical Interface (Async)
admin interface	DB-9 RS-232 DTE Electrical Interface (Async with Modem Control Signals)
network management port	DB-9 RS-232 DTE Electrical Interface (Async)
ethernet interface	10Bt
external alarm inputs	16

Operating Environment

operating temperature	-40°C to +65°C
storage temperature	-40°C to +70°C
relative humidity	Up to 95%, non-condensing

Weight and Dimensions

height	9.25 in.
width	0.08 in.
depth	9.5 in.
weight	0.6 lbs.