QoS in RouterOs v6

8/18/2019 QoS in RouterOs v6

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QoS in RouterOS v6.xby Alfredo Giordano

9:00 AM

MUM ITA! "0#$


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About Me

• Graduate in ele%troni% en&ineerin&

• Mi'rtoti' %ertified and %on(ultant and trainer

• )or'in& tele%o**uni%ation (in%e "00#

• RI+, *e*ber• IS+ -,O and de(i&ner

•

Se%iali/ed in Routin& QoS )A1 a%%e((2irele((

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3or an IS+ 24at i( QoS about5

• QoS i( about and2idt4 *ana&e*ent

• QoS i( about enablin& %ertain tye of (ervi%e(

• QoS i( about &uarantee %ertain level of

(ervi%e(• QoS i( about 2ell *ana&e 24at 2e 4ave

• QoS i( about 'eein& %u(to*er( 4ay7

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Identifyin& t4e roble*(

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Identifyin& t4e roble*(

• a(i%ally 2e %an (lit t4e roble* in t2o

art(: – i*it t4e available band2idt4 er u(er or er

tye of %ontra%t (ub(%ribed

– Ma'e (ure t4at %ertain tye( of (ervi%e( 2ill be

rovided 2it4 riority re(e%t to ot4er(

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3unda*ental(• Traffi% %ontrol i( done on t4e outbound interfa%e

2e 4ave no %ontrol on 4o2 *u%4 traffi% i( bein&(ent to u(

• Rate li*it i( done by droin& (o*e lo2 rioritya%'et( (o 2e 4ave %aa%ity for 4i&4er riority

a%'et(• )e need to 'no2 4o2 *u%4 band2idt4 i(

available

• ), AR, 1OT R,OR=,RI1G +A-


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3unda*ental(

Traffic Shaping

• i*it( t4e tran(*it rate oftraffi% to a %ertain value by

te*orary bufferin&

ex%eedin& a%'et(:

Traffic Priority

• -la((ify traffi% ba(ed onali%ation.

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Identifyin& t4e (olution

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Identifyin& t4e (olution• )e need two QoS fa%ilitie(:

– 3ir(t to %la((ify t4e traffi%:

• et flo2 t4e 4i&4 riority a%'et(

• =ro lo2 riority a%'et( if t4ey are %o*in& too fa(t

– Se%ond to (4ae t4e traffi%:

• Avoid one u(er to *onooli/e t4e available band2idt4

• Sell different (ervi%e( 2it4 different band2idt4 rate(

#0


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Identifyin& t4e (olution2e %an eit4er:

• U(e t2o RouterO(

boxe( – e(( ard2are

re>uire*ent(

–

Bery (i*le (etu

• Setu double QoS on a

(in&le RouterO( box – +o2er bud&et (olar

anel et%..

–

T4er*al bud&et – Money bud&et

– Avoid a oint of failure

–

Cu(t be%au(e 2e %an7

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o2 to do it

=i(%lai*er: T4i( i( one 2ay of doin& it

t4ere are *ore

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=ouble QoSRouterO( B;.x

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=ouble QoSRouterO( B;.x

#$


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=ouble QoSRouterO( B;.xD a(i%ally 2e 2ill u(e t4e *ar' fa%ility t2o ti*e( D

• Mar' traffi% by traffi% tye in *an&le %4ain +reroutin&

• i*it traffi% by tye in GlobalDin T

• ReDMar' traffi% by %lient( in *an&le %4ain 3or2ard• i*it traffi% er %lient in Interfa%e T

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%4an&e( in RouterO( v6.x• 1o *ore &lobalDin and &lobalDout rela%ed by a

E&lobalF lo%ated u(t before (i*le >ueue(H

• etter (i*le >ueue( (ele%tion al&orit4* 4a(4in&H

• Si*le >ueue( 4aen in different la%e at t4e veryend of o(troutin& and inut %4ain(H

• Si*le >ueue( 4ave (earate riority (ettin& fordo2nloaduloadtotalH

• Si*le >ueue( tar&etDaddre((e( and interfa%eara*eter( are oined into one tar&et ara*eter no2

(uort( *ultile interfa%e( *at%4 for one >ueueH• Si*le >ueue( d(tDaddre(( ara*eter i( %4an&ed to d(t

and no2 (uort( de(tination interfa%e *at%4in&H

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RouterO( v6.x +a%'etflo2

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=ouble QoSrouterO( B6.x

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• e%au(e >ueuin& 4aen( at one la%e 2e

%annot *ar' >ueue re*ar' and reD>ueue a(in v;.x

• )e %an u(e *an&le to *ar' a%'et by tye of

(ervi%e and >ueue t4e* in >ueue tree butJ

• )e need a (earate fa%ility to >ueue a%'et(

to a%4ieve er u(er li*itation.• Idea(5


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Si*le >ueue(• 1ot for only for (i*le ta('( any*oreJ

• 1o need to *ar' %an identify traffi% ba(ed ond(tDaddre(( interfa%e et%J

• 3a(tJ e(e%ially on *ulti%ore 4ard2are

• 1u*ber of (i*le >ueue i( not relevantany*ore

•

)e %an 4ave t4ou(and( of t4e* and 2e %anea(ily %reate t4e* eit4er dyna*i%ally or by(%rit(.

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T4e bi& i%ture

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+ra%ti%al exa*le D (i*le +++o, A-D re(tri%t band2idt4 er u(er

D (uort voi%eD video (trea*in&

D t ro&ra*(

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Servi%e tye D +a%'et Mar'in&• Cu* to a %4ain 24ere

2e 2ill ut t4e *ar' ont4e %onne%tion

• Cu* to a %4ain 24ere

2e 2ill ut t4e *ar' ont4e a%'et ba(ed on

t4e %onne%tion

• T4i( 2ill redu%eover4ead for %o*lex

*at%4e(.

""

• )inbox vie2


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Man&le D ,xort vie2/ip firewall mangle

add action=jump chain=forward connection-mark=no-mark jump-target=conmark

add action=jump chain=forward connection-mark=!no-mark jump-target=pktmark

add action=mark-connection chain=conmark comment=voip dst-port=5060-5061,16000-17000 new-connection-mark=voip-con protocol=udp

add action=mark-connection chain=conmark comment=video dst-address-

list=youtube new-connection-mark=video-con protocol=tcp

add action=mark-connection chain=conmark comment=p2p new-connection-

mark=p2p-con p2p=all-p2p

add action=mark-connection chain=conmark comment=rest connection-mark=no-mark new-connection-mark=all-con

add action=return chain=conmark

add action=mark-packet chain=pktmark comment=VO connection-mark=voip-con

new-packet-mark=VO

add action=mark-packet chain=pktmark comment=VI connection-mark=video-con

new-packet-mark=VIadd action=mark-packet chain=pktmark comment=BE connection-mark=all-con

new-packet-mark=BE

add action=mark-packet chain=pktmark comment=BK connection-mark=p2p-con

new-packet-mark=BK

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Servi%e tye K Queue Tree• +arent >ueue in &lobal

for uload anddo2nload traffi% (et(*axDli*it

• -4ild %la((e( 2it4

4i&4er riority 2ill beable to rea%4 *axDli*itbefore %la(( 2it4 lo2er

riority.• Traffi% >ueued ba(ed on

t4e a%'et *ar'

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• )inbox vie2


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Queue Tree D ,xort vie2/queue tree

add max-limit=10M name=QOS parent=global queue=default

add limit-at=2M max-limit=10M name=BK packet-mark=BK parent=QOSadd limit-at=2M max-limit=10M name=BE packet-mark=BE parent=QOS

priority=6

add limit-at=2M max-limit=10M name=VI packet-mark=VI parent=QOS

priority=4

add limit-at=2M max-limit=10M name=VO packet-mark=VO parent=QOSpriority=2

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+er u(er li*it K =yna*i% Si*le Queue

• )inbox vie2

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=yna*i% Si*le Queue K ,xort vie2/ppp profile

set 0 dns-server=8.8.8.8,8.8.4.4 local-address=10.0.0.6 only-

one=yes rate-limit="256k/2560k" remote-address=customers use-vj-compression=no

/interface pppoe-server server

add disabled=no interface=vlan200 keepalive-timeout=35 max-

mru=1492 max-mtu=1492 one-session-per-host=yes

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+er u(er li*it K Si*le Queue

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Sour%e(• QoS e(t +ra%ti%e and RouterOS v6

re(entation( by Cani( Me&i(• Mi'roti' 2i'i

•

QoS t4eory

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TA1< !OU• QLA -o**ent( and (u&&e(tion(

D Alfredo Giordano a&iordano2arian.net

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QoS in RouterOs v6