ADTRAN TA 5000 User Manual

Section 7, EoF Provisioning - Provision Policers in the NetVanta 8044
65K510DEP08-1A 7-15
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.
TheCommittedBurstSize(CBS)equalsthe amountofbytesthetrafficisallowedtoburst
aboveandbeyondtheCIRbeforeitfallsintotheEIR“bucket”.Thetrafficisstillleftasgreen
andis
unmarked.
TheExcessBurstSize(EBS)equalstheamountofbytesthetrafficisallowedtoburstabove
andbeyondtheEIRbeforeitismarkedasredanddiscarded.Thistrafficismarkedasyellow.
NOTE
Ifatworatepolicerisused,suchthattrafficismarkedyellow,theDEI/CFIbit
isusedtomarkthetraffic.Inthethisapplication,thebitisbeingusedtomark
thetraffic as discardeligible.Itisno tbeingusedasaCFIbit.Ensurethat
otherswitchinghardware
inthenetworkcanhandlethisdifferentation,orthe
trafficwillbedroppedbythehardwarebec ausetheCFIusuagewillrender
thetrafficinvalid.
ConfigurationofDEImarkingcanbeperformedperinterfaceusingthe
s-tag-dei
commandtoenablemarkin gorno s-tag-dei command
whichforcesallframestohavethebitsetto0forCFIcompatabilitymode.
TheNetVanta800sdefaulttohavethisenabledfortheEFM‐Groupsand
disabledfortheethernetandgigabitethernetinterfaces.
PolicerscanbemappedperEVC,EVC‐Map,Ethernetport,Gigabit‐Ethernetport,orEFM
bondinggroup.Tocreateapolicerandassignittoatrafficflow,completethefollowing
procedure:
1. FromtheGlobalConfigurationprompt,type
policer <policer_name>, andpress
Entertocreatethepolicer.
2. FromthePolicerConfigurationprompt,type
cir <cir_rate>,andpressENTERtoset
thecommittedinformationrate,inkbps.
3. FromthePolicerConfigurationprompt,type
eir <eir_rate>,andpressENTERtoset
theexcessinformationrate,inkbps.
4. FromthePolicerConfigurationprompt,type
cbs <cbs_bytes>,andpressENTERtoset
thecommittedburstsize,inbytes.
5. FromthePolicerConfigurationprompt,type
ebs <ebs_bytes>,andpressENTERtoset
theexcessburstsize,inbytes.
6. FromthePolicerConfigurationprompt,typeoneofthefollowingandpress
ENTERto
assignthepolicertothedesiredelement:
per custom evc-map <EvcMapName>
per evc <EvcName>
per uni efm-group 1/0/1
per uni ethernet 1/0/<ethernet_port>
per uni gigabit-ethernet 1/0/1
7. FromthePolicerConfigurationprompt,typeno shutdown,andpressENTERtoenable
thepolicer.
8. FromthePolicerConfigurationprompt,type
end,andpressENTERtoreturntotheEnable
prompt.

ADTRAN TA 5000 Specifications

General

Brand	ADTRAN
Model	TA 5000
Category	Network Router
Language	English