Li-routers tsa Series 8000 Lokisa Taolo ea Phallo ea Bohlokoa

Tlhahisoleseding ya Sehlahiswa

Litlhaloso

• Lebitso la Sebopeho: Taolo ea Phallo ea Bohlokoa
• A tšehetsoa Line Cards: Cisco 8808 le Cisco 8812 Modular Chassis
  Line Cards
• Mekhoa e Tšehetsoeng: Buffer-internal le Buffer-e atolositsoe
• Tlhahisoleseding ea Phatlalatso: Phatlalatso 7.5.3

Litaelo tsa Tšebeliso ea Sehlahisoa

1. Ho fetaview

Priority Flow Control ke tšobotsi e thibelang tahlehelo ea foreimi ka lebaka
ho tšubuhlellana ka ho sebelisa liforeimi tsa khefutso ho sehlopha ka seng sa ts'ebeletso (CoS)
motheo. E tšoana le 802.x Flow Control kapa phallo ea boemo ba khokahanyo
taolo (LFC).

2. Tlhophiso

Ho lokisa Priority Flow Control, latela mehato ena:

1. Fumana khokahanyo ea taelo ea sehlahisoa.
2. Kenya "hw-module profile priority-flow-control
   laela.
3. Hlalosa mokhoa o lakatsehang (buffer-internal or
   buffer-atolositsoe).
4. Beakanya litekanyetso tsa PFC, haeba li hlokahala.
5. Boloka tlhophiso.

2.1 Buffer-Internal Mode Configuration

Ka mokhoa oa ka hare oa buffer, litlhophiso tsa litekanyo tsa PFC li
e tlositsoe taelong ea khefutso. Sebelisa "hw-module profile
priority-flow-control" taelo ea ho lokisa moeli oa PFC
litekanyetso.

Lithibelo le Litaelo tsa Mokhoa oa ka Hare oa Buffer
Tlhophiso:

• Kenya lithibelo le litataiso mona…

2.2 Tlhophiso e Atolositsoeng ea Mokhoa oa Buffer

Ka mokhoa o atolositsoeng oa buffer, ntle le ho hlophisa PFC
threshold values, o hlokeha ho lokisa tshebetso
bokhoni kapa boleng ba headroom ho fihlela boits'oaro bo hlokang tahlehelo le
tšebeliso e nepahetseng ea li-bandwidth le lisebelisoa.

Mehato ea Litlhophiso bakeng sa Mokhoa o Atolositsoeng oa Buffer:

1. Fumana khokahanyo ea taelo ea sehlahisoa.
2. Kenya "hw-module profile priority-flow-control
   laela.
3. Hlalosa mokhoa o lakatsehang joalo ka buffer-e atolositsoeng.
4. Beakanya litekanyetso tsa PFC.
5. Hlophisa bokhoni ba ts'ebetso kapa boleng ba ntlo ea hlooho.
6. Boloka tlhophiso.

LBH

Q: Ke likarete life tsa line tse tšehetsang Taolo ea Phallo ea Pele?

A: Pele Phallo Control e tšehetsoa ka Cisco 8808 le Cisco
8812 Modular Chassis Line Cards.

Q: Ke mekhoa efe e tšehetsoeng bakeng sa Taolo ea Phallo ea Pele?

A: Taolo ea Phallo ea Bohlokoa e tšehetsoa ka bobeli ho buffer-internal
le mefuta e atolositsoeng ea buffer.

P: Ke hlophisa joang Taolo ea Phallo ea Bohlokoa ka har'a buffer-internal
mokhoa?

A: Ho hlophisa Taolo ea Phallo ea Bohlokoa ka mokhoa oa ka hare oa buffer,
sebelisa "hw-module profile pele-pele-tsamaiso” taelo. Sheba
bukana ea mosebedisi bakeng sa mehato e qaqileng ea tlhophiso.

P: Morero oa ho hlophisa bokhoni ba ts'ebetso ke ofe kapa
boleng ba headroom ka mokhoa o atolositsoeng oa buffer?

A: Ho hlophisa bokhoni ba ts'ebetso kapa boleng ba ntlo ea hlooho ho
Mokhoa o atolositsoeng oa buffer o netefatsa phano e betere le boima ba mosebetsi
ho leka-lekana, ho fella ka boitšoaro bo se nang tahlehelo, tšebeliso e nepahetseng ea
bandwidth, le lisebelisoa.

Lokisa Taolo ea Phallo ea Bohlokoa

· Pele Phallo Control Overview, leqepheng la 1 · Configurable ECN Threshold le Maximum Mating Probability Values, leqepheng la 10 · Priority Flow Control Watchdog Overview, leqepheng la 15

Pele ho Phallo Control Overview

Letlapa la 1: Lethathamo la Histori ea Litšobotsi
Lebitso la Sebopeho
Taolo ea Phallo ea Pele ho Cisco 8808 le Cisco 8812 Modular Chassis Line Cards

Phatlalatso ea Boitsebiso ba Phatlalatso 7.5.3

Phallo ea Taolo ea Phallo ea Bohlokoa ba Shortlink 7.3.3

Tlhaloso ea Sebopeho
Priority Flow Control e se e ts'ehelitsoe kareteng e latelang ea mohala ka har'a buffer-internal mode:
Setšoantšo sa 88-LC0-34H14FH
Karolo e ts'ehelitsoe ka mekhoa ea ka hare ea buffer le e atolositsoeng ea buffer ho:
Setšoantšo sa 88-LC0-36FH
Ntle le mokhoa oa kantle oa buffer, ts'ehetso ea karolo ena joale e fetela ho buffer-internal mode ho likarete tse latelang tsa mela:
Setšoantšo sa 88-LC0-36FH-M
· 8800-LC-48H
Karolo ena le hw-module profile taelo ea pele-phallo-control e tšehetsoa ho karete ea line ea 88-LC0-36FH.

Lokisa Taolo ea Phallo ea Bohlokoa 1

Pele ho Phallo Control Overview

Lokisa Taolo ea Phallo ea Bohlokoa

Lebitso la Sebopeho

Phatlalatso Boitsebiso

Tšehetso ea Pele ea Phallo ea Phallo ho Cisco 8800 36×400 GbE QSFP56-DD Line Cards (88-LC0-36FH-M)

Lokolla 7.3.15

Taolo ea Phallo ea Pele

Lokolla 7.3.1

Tlhaloso ea Sebopeho
Karolo ena le hw-module profile taelo ea bohlokoa-phallo-control e tšehetsoa ho likarete tsa line tsa 88-LC0-36FH-M le 8800-LC-48H.
Mesebetsi eohle e fetileng le melemo ea tšobotsi ena li fumaneha likareteng tsena tsa line. Leha ho le joalo, mokhoa oa ka hare oa buffer ha o tšehetsoe.
Ntle le moo, ho sebelisa mokhoa o atolositsoeng oa buffer likareteng tsena tsa mela, o kopuoa ho hlophisa bokhoni ba ts'ebetso kapa boleng ba ntlo ea hlooho. Tlhokahalo ena ea tlhophiso e etsa bonnete ba hore o ka fana le ho leka-lekanya mesebetsi e mengata ho fihlela boits'oaro bo sa lahleheng, e leng se netefatsang ts'ebeliso e ntle ea bandwidth le lisebelisoa.
Karolo ena le hw-module profile taelo ea "priority-flow-control" ha e tšehetsoe.

Taolo ea Phallo e Thehiloeng Pele (IEEE 802.1Qbb), eo hape e bitsoang Class-based Flow Control (CBFC) kapa Per Priority Pause (PPP), ke mokhoa o thibelang tahlehelo ea foreimi e bakoang ke tšubuhlellano. PFC e tšoana le 802.x Flow Control (liforeimi tsa khefu) kapa taolo ea phallo ea lihokelo (LFC). Leha ho le joalo, PFC e sebetsa ho latela sehlopha sa tšebeletso (CoS).
Nakong ea tšubuhlellano, PFC e romella foreimi ea khefu ho bonts'a boleng ba CoS bo lokelang ho khefutsoa. Foreimi ea khefutso ea PFC e na le boleng ba nako ea 2-octet bakeng sa CoS ka 'ngoe e bonts'ang bolelele ba nako ea ho emisa sephethephethe. Nako ea nako ea sebali e hlalositsoe ho pause quanta. Quanta ke nako e hlokahalang bakeng sa ho fetisa li-bits tse 512 ka lebelo la boema-kepe. Mofuta o tsoa ho 0 ho isa ho 65535 quanta.
PFC e kopa thaka ho emisa ho romela liforeimi tsa boleng bo itseng ba CoS ka ho romella foreimi ea khefu atereseng e tsebahalang ea multicast. Pause frame ena ke foreime ea hop e le 'ngoe 'me ha e fetisoe ha e amoheloa ke thaka. Ha tšubuhlellano e kokobela, router e khaotsa ho romela liforeimi tsa PFC sebakeng se ka holimo.
U ka lokisa PFC bakeng sa karete e 'ngoe le e' ngoe ea line u sebelisa hw-module profile priority-flow-control taelo ka o mong oa mekhoa e 'meli:
· buffer-ka hare
· buffer-e atolositsoe

Lokisa Taolo ea Phallo ea Bohlokoa 2

Lokisa Taolo ea Phallo ea Bohlokoa

buffer-internal mode

Hlokomela hore litlhophiso tsa PFC li theohile ka taelo ea khefutso. Sebelisa hw-module profile taelo ea pele-phallo-control ea ho lokisa litlhophiso tsa PFC.
Lihlooho Tse Amanang · Lokisa Taolo ea Phallo ea Bohlokoa, leqepheng la 5
· Pele Phallo Control Watchdog Overview, leqepheng la 15
buffer-internal mode
Sebelisa mokhoa ona haeba lisebelisoa tse lumelletsoeng ke PFC li sa arohane ho feta 1 km. O ka seta litekanyetso tsa pause-threshold, headroom (ka bobeli li amana le PFC), le ECN bakeng sa sehlopha sa sephethephethe u sebelisa hw-module pro.file taelo ea pele-phallo-control ka mokhoa ona. Tlhophiso ea ka hare ea buffer e sebetsa ho likou tsohle tseo karete ea mohala e li amohelang, ho bolelang hore o ka hlophisa sete ea boleng bona ka karete ea mohala. Moeli o teng oa queue le tlhophiso ea ECN leanong la queuing e khomaretsoeng ho sebopeho ha e na tšusumetso mokhoeng ona. Moeli o sebetsang oa mokoloko bakeng sa mokhoa ona = khefutsa-moeko + ntlo ea hlooho (ka li-byte)
Lithibelo le Tataiso
Lithibelo le litataiso tse latelang lia sebetsa ha u ntse u lokisa litekanyetso tsa PFC u sebelisa mokhoa oa ka hare oa buffer.
· Sebopeho sa PFC ha se tšehetsoe lits'ebetsong tse tsitsitseng tsa chassis. · Netefatsa hore ha ho na ho phatloha ho hlophisitsoeng ho chassis e nang le PFC e hlophisitsoeng. Ho lokisa PFC
le ho qhoma ka chassis e tšoanang ho ka lebisa boitšoarong bo sa lebelloang, ho kenyelletsa le tahlehelo ea sephethephethe. · Karolo ena ha e tšehetsoe ho mela le li-sub-interface tse se nang liphutheloana. · Sebopeho se tšehetsoa ho 40GbE, 100 GbE, le 400 GbE interfaces. · Karolo ha e tšehetsoe ka mokhoa oa 4xVOQ oa ho etsa mokoloko. · Karolo ha e tšehetsoe ha ho arolelanoa li-counter tsa VOQ ho lokiselitsoe.
mokhoa o atolositsoeng oa buffer
Sebelisa mokhoa ona bakeng sa lisebelisoa tse lumelletsoeng ke PFC tse nang le likhokahano tsa nako e telele. O ka seta boleng ba pause-threshold o sebelisa hw-module profile taelo ea pele-phallo-control ka mokhoa ona. Leha ho le joalo, u tlameha ho lokisa leano la ho koloka le khomaretsoeng ho sehokelo ho beha ECN le meeli ea ho koloka. Tokiso e atolositsoeng ea buffer e sebetsa likoung tsohle tseo karete ea mohala e li amohelang, ho bolelang hore o ka hlophisa sete ea boleng bona ka karete ea mohala.

Lokisa Taolo ea Phallo ea Bohlokoa 3

Lintlha tsa Bohlokoa

Lokisa Taolo ea Phallo ea Bohlokoa

Litaelo tsa Tlhophiso · Lintlha tsa bohlokoa ha u ntse u lokisa mokhoa o atolositsoeng oa buffer ho likarete tsa line tsa 88-LC0-36FH-M: · Ntle le ho khefutsa, u tlameha hape ho lokisa boleng ba headroom. · Boleng ba boleng ba ntlo ea hlooho bo tloha ho 4 ho isa ho 75000. · Hlalosa litekanyetso tsa ho emisa le ho li-headroom ka li-kilobytes (KB) kapa megabytes (MB).
· Lintlha tsa bohlokoa ha u ntse u lokisa mokhoa o atolositsoeng oa buffer ho likarete tsa line tsa 8800-LC-48H: · Hlophisa litekanyetso feela bakeng sa khefutso ea ho emisa. Se ke oa hlophisa litekanyetso tsa li-headroom. · Beakanya sebaka sa ho khefutsa ka liyuniti tsa milliseconds (ms) kapa microseconds. · Se ke oa sebelisa liyuniti tsa kilobyte (KB) kapa megabyte (MB), leha CLI e li bonts'a joalo ka likhetho. Sebelisa feela liyuniti tsa milliseconds (ms) kapa microseconds.

(Hape bona, Configure Priority Flow Control, leqepheng la 5)

Lintlha tsa Bohlokoa
· Haeba u lokisa litekanyetso tsa PFC ka mokhoa oa ka hare oa buffer, joale boleng ba ECN bakeng sa karete ea mohala bo tsoa ho buffer-internal configuration. Haeba u lokisa litekanyetso tsa PFC ka mokhoa o atolositsoeng oa buffer, joale boleng ba ECN bo tsoa 'mapeng oa pholisi. (Bakeng sa lintlha tse mabapi le karolo ea ECN, bona Tsebiso ea Tšitiso e Hlakileng.)
· Mefuta ea buffer-kahare le e atolositsoeng ea buffer e ke ke ea lula 'moho kareteng e le 'ngoe.
· Haeba u eketsa kapa u tlosa liketso tsa boemo ba sephethephethe kareteng ea mohala, u tlameha ho kenya karete ea mohala bocha.
· Ha o sebelisa buffer-internal mode, o ka fetola boleng ba liparamente tse latelang ntle le ho kenya karete ea mohala bocha. Leha ho le joalo, haeba u eketsa sehlopha se secha sa sephethe-phethe 'me u lokisa litekanyetso tsena ka lekhetlo la pele sehlopheng seo sa sephethephethe, u tlameha ho kenya karete ea mohala hore litekanyetso li qale ho sebetsa.
· pause-threshold
· ntlo ea ntlo
· ECN

· Ha o kenya kapa o tlosa tlhophiso ya ECN o sebedisa hw-module profile priority-flow-control taelo, o tlameha ho kenya karete ea mohala hape hore liphetoho tsa ECN li sebetse.
• Maemo a PFC a threshold value a mode a buffer-internal a tjena.

Moeko

E hlophisitsoe (li-byte)

khefutsa (mets)

307200

khefutsa (max)

422400

ntlo ea hlooho (mets)

345600

ntlo ea hlooho (max)

537600

Lokisa Taolo ea Phallo ea Bohlokoa 4

Lokisa Taolo ea Phallo ea Bohlokoa

Tšehetso ea Hardware bakeng sa Taolo ea Phallo ea Pele

Threshold ecn (min) ecn (max)

E hlophisitsoe (li-byte) 153600 403200

· Bakeng sa boemo ba therafiki, boleng ba ECN bo tlameha ho lula bo le tlase ho feta boleng bo hlophisitsoeng ba khefutso.
· Litekanyetso tse hlophisitsoeng tse kopaneng tsa pause-threshold le headroom ha lia lokela ho feta 844800 bytes. Ho seng joalo, tlhophiso e hanngoe.
· Pause-threshold value range for mode atolositsoeng ea buffer e tloha ho 2 milliseconds (ms) ho ea ho 25 ms le ho tloha 2000 microseconds ho isa 25000 microseconds.

Tšehetso ea Hardware bakeng sa Taolo ea Phallo ea Pele
Tafole e thathamisa li-PID tse tšehetsang PFC ka tokollo le mokhoa oa PFC oo tšehetso e fumanehang ho ona.
Letlapa la 2: PFC Hardware Support Matrix

Phatlalatso Phatlalatso 7.3.15

PID · 88-LC0-36FH-M · 88-LC0-36FH

PFC Mode buffer-e atolositsoe

Lokolla 7.0.11

8800-LC-48H

buffer-ka hare

Lokisa Taolo ea Phallo ea Bohlokoa
U ka hlophisa PFC ho nolofalletsa boitšoaro ba ho se theohe bakeng sa CoS joalokaha ho hlalosoa ke leano le sebetsang la QoS ea marang-rang.

Hlokomela Sistimi e nolofalletsa PFC e khuts'oane ka boiketsetso ha o nolofalletsa PFC.
Tlhophiso Example O tlameha ho phethahatsa tse latelang ho phethela tlhophiso ea PFC: 1. Noble PFC boemong ba interface. 2. Hlophisa leano la ho arola ka ingress. 3. Hokela leano la PFC ho sehokelo. 4. Hlophisa PFC threshold values ​​o sebelisa buffer-internal kapa buffer-extended mode.
Router# configure Router(config)# mokhoa oa ho laola-phallo-pele ho /* Lokisa leano la ho arola li-ingress*/

Lokisa Taolo ea Phallo ea Bohlokoa 5

Lokisa Taolo ea Phallo ea Bohlokoa

Lokisa Taolo ea Phallo ea Bohlokoa

Router(config)# sehlopha-mapa e bapisa-hape efe kapa efe ea prec7 Router(config-cmap)# e tlang pele ho Router(config)# sehlopha-mapa se bapisa leha e le efe tc7 /*Ingress policy attach*/ Router(config-if)# service-policy input QOS_marking /*Egress policy attach*/ Router(config-if)# service-policy output qos_queuing Router(config-pmap-c)# exit Router(config-pmap)# exit Router(config)#show controllers npu priority-flow - laola sebaka
Matha Configuration
*Interface Level* interface HundredGigE0/0/0/0
pele-phallo-control mode on
*Ingress:* sehlopha-mapa e bapisa leha e le efe prec7
papali ea pele 7
'mapa oa maemo a holimo
!
sehlopha-mapa e bapisa- leha e le efe prec6
papali ea pele 6
'mapa oa maemo a holimo
!
sehlopha-mapa e bapisa- leha e le efe prec5
papali ea pele 5
'mapa oa maemo a holimo
!
sehlopha-mapa e bapisa- leha e le efe prec4
papali ea pele 4
'mapa oa maemo a holimo
!
'Mapa oa sehlopha - papali efe kapa efe ea prec3 e tlang pele 3 'mapa oa maemo a holimo! 'mapa oa sehlopha - papali efe kapa efe ea prec2 e tlang pele ho 2 'mapa oa maemo a holimo! 'mapa oa sehlopha-papali efe kapa efe ea pele ho 1 e tlang pele ho 'mapa o le mong oa maemo a holimo! ! 'mapa oa maano QOS_MARKING

Lokisa Taolo ea Phallo ea Bohlokoa 6

Lokisa Taolo ea Phallo ea Bohlokoa
class prec7 set traffic-class 7 set qos-group 7
! sehlopha sa prec6
set traffic-class 6 set qos-group 6 ! class prec5 set traffic-class 5 set qos-group 5 ! class prec4 set traffic-class 4 set qos-group 4 ! class prec3 set traffic-class 3 set qos-group 3 ! class prec2 set traffic-class 2 set qos-group 2 ! class prec1 set traffic-class 1 set qos-group 1 ! class class-default set traffic-class 0 set qos-group 0 !
*Egress:* sehlopha-mapa e bapisa tc7 efe kapa efe
'mapa oa sephethe-phethe sa sehlopha sa 7 sa maemo a holimo! Sehlopha sa 'mapa se bapisa mofuta ofe kapa ofe oa tc6 oa sephethe-phethe-sehlopha sa 6 'mapa oa maemo a holimo! sehlopha-mapa e bapisa-mapa leha e le afe a tc5 a bapisa sephethephethe-class 5-end-class-mapa
!
'mapa oa sehlopha-mapa leha e le efe tc4
match traffic-class 4
'mapa oa maemo a holimo
!
'mapa oa sehlopha-mapa leha e le efe tc3
match traffic-class 3
'mapa oa maemo a holimo
!

Lokisa Taolo ea Phallo ea Bohlokoa
Lokisa Taolo ea Phallo ea Bohlokoa 7

Lokisa Taolo ea Phallo ea Bohlokoa

Lokisa Taolo ea Phallo ea Bohlokoa

sehlopha-mapa e bapisa-mapa leha e le afe a tc2 a tšoanang le sephethe-phethe-sehlopha sa 2 'mapa oa maemo a holimo! sehlopha sa 'mapa se bapisa mofuta ofe kapa ofe oa tc1 papali ea sephethe-phethe-sehlopha sa 1 'mapa oa maemo a holimo! 'mapa oa leano QOS_QUEUING sehlopha sa tc7
boemo ba pele 1 sebopeho karolelano peresente 10 ! sehlopha sa tc6 bandwidth e setseng karo-karolelano 1 moeli-moeli 100 ms ! sehlopha sa tc5 bandwidth e setseng karo-karolelano ea 20 queue-limit 100 ms ! sehlopha sa tc4 bandwidth e setseng karo-karolelano ea 20-bona ecn ka tšohanyetso-bona 6144 byte 100 mbytes ! sehlopha sa tc3 bandwidth e setseng karo-karolelano ea 20-bona ecn ka tšohanyetso-bona 6144 byte 100 mbytes ! sehlopha sa tc2 bandwidth e setseng karo-karolelano 5 queue-limit 100 ms ! sehlopha sa tc1 bandwidth e setseng karo-karolelano 5 queue-limit 100 ms ! class-default bandwidth setseng ratio 20 queue-limit 100 ms ! [buffer-extended] hw-module profile pele-pele-taolo ea sebaka 0/0/CPU0 sephethephethe-katoloso ea sephethephethe-sehlopha sa 3 khefutsa-moeko 10 ms buffer-extended traffic-class 4 pause-threshold 10 ms
!
[buffer-internal] hw-module profile sebaka sa pele-phallo-taolo 0/1/CPU0 buffer-sephethephethe sa ka hare-sehlopha sa 3 khefutsa-mokhorong 403200 bytes headroom 441600 bytes ecn
224640 bytes buffer-internal traffic-class 4 pause-threshold 403200 bytes headroom 441600 bytes ecn
224640 li-byte
Netefatso
Litaolo tsa Router#sh hundredGigE0/0/0/22-phallo-control-taolo ea litaba tsa pele tsa taolo ea phallo bakeng sa interface HundredGigE0/0/0/22:

Lokisa Taolo ea Phallo ea Bohlokoa 8

Lokisa Taolo ea Phallo ea Bohlokoa

Lokisa Taolo ea Phallo ea Bohlokoa

Taolo ea Phallo e Keng Pele:

Kakaretso ea liforeimi tsa Rx PFC : 0

Kakaretso ea Liforeimi tsa Tx PFC : 313866

Liforeimi tsa data tsa Rx li Lahliloe: 0

Liforeimi tsa CoS Status Rx

———————-

0 ka

0

1 ka

0

2 ka

0

3 ka

0

4 ka

0

5 ka

0

6 ka

0

7 ka

0

/*[buffer-internal]*/ Router#show controllers hundredGigE 0/9/0/24 priority-flow-control

Tlhahisoleseding ea taolo ea phallo ea pele bakeng sa interface HundredGigE0/9/0/24:

Taolo ea Phallo e Keng Pele:

Kakaretso ea liforeimi tsa Rx PFC : 0

Kakaretso ea Liforeimi tsa Tx PFC : 313866

Liforeimi tsa data tsa Rx li Lahliloe: 0

Liforeimi tsa CoS Status Rx

———————-

0 ka

0

1 ka

0

2 ka

0

3 ka

0

4 ka

0

5 ka

0

6 ka

0

7 ka

0

…

/*[buffer-internal, tc3 & tc4 e hlophisitsoeng. TC4 ha e na ECN]*/

Router#show controllers npu priority-flow-control sebaka

Id ea Sebaka:

0/1/CPU0

PFC:

E lumelletsoe

Mokhoa oa PFC:

buffer-ka hare

TC Emisa

Ntlo-kholo

ECN

———————————————————-

3 86800 li-byte

120000 byte 76800 byte

4 86800 li-byte

120000 byte Ha ea hlophisoa

/*[Buffer-e atolositsoeng PFC, tc3 & tc4 e hlophisitsoeng]*/

Router#show controllers npu priority-flow-control sebaka

Id ea Sebaka:

0/1/CPU0

PFC:

E lumelletsoe

Mokhoa oa PFC:

buffer-e atolositsoe

TC Emisa

———–

3 5000 rona

4 10000 rona

/*[Ha ho PFC]*/

Router#show controllers npu priority-flow-control sebaka

Id ea Sebaka:

0/1/CPU0

PFC:

E holofetse

Lokisa Taolo ea Phallo ea Bohlokoa 9

Tlhophiso ea ECN Threshold le Maximum Probability Probalues

Lokisa Taolo ea Phallo ea Bohlokoa

Lihlooho Tse Amanang · Pele Phallo ea Phallo ea Peleview, leqepheng la 1
Related Commands hw-module profile sebaka sa pele-phallo-taolo

Tlhophiso ea ECN Threshold le Maximum Probability Probalues

Letlapa la 3: Lethathamo la Histori ea Litšobotsi

Lebitso la Sebopeho

Phatlalatso Boitsebiso

Tekanyetso ea ECN Monyetla le Ho Lokolla

Tlhaloso ea Sebopeho
Ha u ntse u lokisa PFC ka mokhoa oa ka hare oa buffer, joale u ka khona ho ntlafatsa tsebiso ea tšubuhlellano ho tloha ho router ea ho qetela ho ea ho router e fetisang, kahoo u thibela ho phatloha ho matla ha sephethephethe sa mohloli. Ntlafatso ena ea khoneha hobane re fane ka monyetla oa ho lokisa bonyane le boleng ba boleng bo holimo bakeng sa moeli oa ECN le boleng bo phahameng ba monyetla oa ho tšoaea. Ha litekanyetso tsena li hlophisitsoe, monyetla oa peresentetagho tshwaya e ho sebediswa ka mokgwa wa mola, ho qala ka tekanyo e tlase ya ECN ho fihlela moeding wa ECN Max.
Litokollo tsa pejana li lokisitse monyetla o moholo oa ho tšoaea oa ECN ho 100% maemong a phahameng a ECN.
Ts'ebetso ena e eketsa likhetho tse latelang ho hw-module profile taelo ea priority-flow-control:
· max-threshold
· monyetla-percencetage

ECN Monyetla le Maemo a Maholo a Monyetla a Tšoaeang
Ho fihlela hajoale, monyetla o moholo oa ho tšoaea ECN o ne o sa lokisoe mme o ne o behiloe ho 100%. Ha oa khona ho hlophisa boleng ba ECN bo boholo. Tlhophiso e joalo ea menyetla ea ho tšoaea esale pele le

Lokisa Taolo ea Phallo ea Bohlokoa 10

Lokisa Taolo ea Phallo ea Bohlokoa

Melemo ea Configuable ECN Threshold le Maximum Probability Probalues

litekanyetso tse tsitsitseng tse phahameng li ne li bolela hore litekanyetso tsa sephethephethe li qalile ho theoha e le mosebetsi oa bolelele ba tatellano. Ka lebaka la keketseho e lekaneng ea monyetla oa ho tšoaea ECN-'me sesupo sa tšubuhlellano ho tloha ho moamoheli oa ho qetela ho ea ho moamoheli ea fetisang - litefiso tsa sephethephethe li ka qala ho theoha le haeba sehokelo sa hau se na le bandwidth e hlokahalang.
Ka tšobotsi ena, o ka hlophisa bonyane le boholo ba litekanyetso tsa ECN 'me, ho itšetlehile ka bokhoni ba sehokelo sa hau le litlhoko tsa sephethephethe, lokisa monyetla oa ho tšoaea e le hore palo ea lipakete tse tšoailoeng pakeng tsa bonyane le boholo ba menyako e fokotsehe.
Setšoantšo se bontša ts'ebetsong ea ts'ebetso ka pono, moo:
· Pmax e bolela monyetla o moholo oa ho tšoaea o ka lokisoang.
· The ECN mark probability is 1 from the maximum threshold to the tail drop threshold.
· Tšoaea monyetla o eketsehile ho tloha ho 0 moeling o fokolang ho ea ho Pmax ka tekanyo e phahameng ka ho fetisisa.
Setšoantšo sa 1: ECN Mark Probability vs. Queue Length (VOQ Fill Levels)

O lokisa max-threshold le probability-percentage likhetho tsa tšobotsi ena ho hw-module profile taelo ea pele-phallo-taolo. Re u file monyetla oa ho khetha e 'ngoe ea likhetho tsena tsa tlhophiso:
· Default max-threshold and probability-percencetage litekanyetso. · Configurable max-threshold le probability-percencetage litekanyetso. · PFC ka har'a buffer-internal mode ntle le likhetho tse ncha, joalo ka ha u entse pele o Lokolla 7.5.4.
Sheba Configure ECN Threshold and Maximum Mating Probability Values, leqepheng la 13 bakeng sa lintlha.
Melemo ea Configuable ECN Threshold le Maximum Probability Probalues
Monyetla o tlase oa letšoao o lumella moamoheli oa ho qetela ho tseba hantle hore na mohanyetsi o phalla joang moleng le ho o fokotsa ntle le ho ama phallo e 'ngoe e itšoereng hantle. Sena se lebisa ho phepelo e ntlafalitsoeng le e sebetsang hantle le ts'ebeliso ea bandwidth.
Lokisa Taolo ea Phallo ea Bohlokoa 11

ECN Monyetla le Maemo a Maholo a Menyetla ea ho Tšoaea: Lipotso

Lokisa Taolo ea Phallo ea Bohlokoa

ECN Monyetla le Maemo a Maholo a Menyetla ea ho Tšoaea: Lipotso
· Ho thoe'ng haeba ke beha ECN ho tšoaea monyetla percentagho 100%? ECN Ho tšoaea ho na le mola ha bolelele ba mela bo feta boleng bo tlase ba ECN. Ho theoha ha mohatla hoa sebetsa ha boholo bo tloaelehileng ba mokoloko bo fihla ho liphesente tsa monyetla oa ho tšoaeatage ea 100%.
· Sephethephethe se sebetsa joang ho feta boleng ba ka bo hlophisitsoeng ba boholo ba monyetla oa ho tšoaea ECN? A re re u behile monyetla o moholo oa ho tšoaea ECN ho 5%. Keketseho efe kapa efe e tloaelehileng ea bolelele ba mela e fetang 5% e fetola monyetla oa ho tšoaea ho 100%, 'me Tail Drop le FIFO Queue lia qala ho sebetsa.
Tataiso le Meeli
· Ts'ebetso ena e fumaneha ha feela o lokisa PFC ka mokhoa oa ka hare oa buffer. · Haeba u lokisa boleng ba PFC ka mokhoa oa ka hare oa buffer, boleng ba ECN bakeng sa karete ea mohala bo tsoa ho
tlhophiso ea ka hare ea buffer, ho fapana le mokhoa o atolositsoeng oa buffer moo boleng ba ECN bo nkiloeng ho 'mapa oa leano. · Likarete tsa Line tse tšehetsang tšebetso ena:
· 88-LC0-36FH · 88-LC0-36FH-M
· Mefuta e latelang ea segokanyimmediamentsi sa sebolokigolo e tshehetsa tshebetso ena: · Mahokelo a mmele · Mahokelo a mangata · Mahokelo a manyenyane · Maqhubu a manyane
· Ts'ebetso ena e tšehetsoa bakeng sa lebelo la sehokelo ohle. · Haeba u na le 'mapa oa maano o nang le sehlopha se le seng kapa tse ngata tse nang le monyetla o moholo oa ho tšoaea ECN,
o ka: · Sebelisa 'mapa ho mofuta ofe kapa ofe oa sebopeho se tšehetsoeng. · Tlosa 'mapa ho tsoa ho mefuta efe kapa efe ea li-interfaces tse tšehetsoeng. · Fetola 'mapa ha u ntse u o hokahanya le lihokelo tse ngata.
· The probability percencetagkhetho ea e e tšehetsoa feela ka ecn e hlophisitsoeng e hlophisitsoeng ka sehlopha se le seng. Ho seng joalo, pholisi e hanoa ha e sebelisoa ho sehokelo. (Ha ke na bonnete ba hore sena sea sebetsa. Ka kopo netefatsa.)
· Netefatsa hore monyetla oa percencetagtlhophiso ea e e ts'oana bakeng sa litlelase tsohle tsa sephethephethe hobane sena ke tlhophiso ea boemo ba sesebelisoa.

Lokisa Taolo ea Phallo ea Bohlokoa 12

Lokisa Taolo ea Phallo ea Bohlokoa

Hlophisa Monyetla oa ECN le Maemo a Maholo a Menyetla ea ho Tšoaea

Lethathamo la 4: Malebela a Molemo

Haeba u…

…o tlameha ho…

E batla ho tloha mokhoeng oa tlhophiso oa kamehla 1. Sebelisa mofuta oa no oa hw-module profile

ho mokhoa oa ho tloaeleha

priority-flow-control taelo ea ho tlosa

OR

tlhophiso e teng.

Batla ho switjha ho tloha tloaelo tlhophiso mode 2. Lokisa mokhoa o mocha le di-setting ka ho sebelisa

ho tlhophiso ea kamehla

hw-module profile pele-phallo-taolo

laela.

3. Kenya karete ea mohala hape

PFC e hlophisitsoeng ka mokhoa oa ka hare oa buffer ntle le ho hlophisa max-threshold le probability-percencetage, empa joale u batla ho li hlophisa

1. Lokisa max-threshold le monyetla-percencetagliparamente tse sebelisang hw-module profile taelo ea pele-phallo-taolo.
2. Kenya karete ea mohala hape.

U batla ho fetola liparamente tsa ka hare tsa buffer ho Configure the buffer-internal parameters u sebelisa

mokhoa oa tloaelo

hw-module profile taelo ea pele-phallo-taolo.

Ha o hloke ho kenya karete ea mohala hape.

U batla ho tsoela pele ho lokisa PFC ka hare ho buffer-Configure the buffer-internal parameters u sebelisa

etsa ka tsela eo u entseng ka eona litokollong pele u lokolla hw-module profile taelo ea pele-phallo-control,

7.5.4.

empa etsa bonnete ba hore o hlophisa feela boleng ba

khefutsa-moepo, headroom, 'me ecn. Haeba u sa etse joalo

lokisa litekanyetso bakeng sa max-threshold, router e nka

boleng ba ecn joalo ka boleng bo kaholimo ho ECN.

Sheba Khetho ea 3 tlas'a Configure ECN Threshold and Maximum Probability Values, leqepheng la 13 bakeng sa lintlha.

Hlophisa Monyetla oa ECN le Maemo a Maholo a Menyetla ea ho Tšoaea
Ho lokisa moeli oa boholo ba ECN le litekanyetso tse kholo tsa monyetla: 1. Numella PFC boemong ba interface.
Router(config)#int fourHundredGigE 0/6/0/1 Router(config-if)#priority-flow-control mode on
2. [Kgetho 1: Boemo ba tlhophiso ba kamehla] Hlophisa PFC ka mokhoa oa ka hare oa buffer o nang le litekanyetso tse boletsoeng esale pele tsa buffer tse lumelletsoeng hammoho le max-threshold le probability-percence.tage makgabane.
Router(config)#hw-module profile sebaka sa taolo ea phallo ea pele 0/6/0/1 Router(config-pfc-loc)#buffer-extended traffic-class 3 Router(config-pfc-loc)#buffer-extended traffic-class 4 Router(config-pfc -loc) #inehela

Lokisa Taolo ea Phallo ea Bohlokoa 13

Hlophisa Monyetla oa ECN le Maemo a Maholo a Menyetla ea ho Tšoaea

Lokisa Taolo ea Phallo ea Bohlokoa

[Kgetho 2: Mokhoa oa tlhophiso oa tloaelo] Lokisa PFC ka har'a mokhoa oa ka hare oa buffer ka boleng ba tloaelo bakeng sa liparamente tsohle ho kenyeletsoa max-threshold le probability-percentage.
Router(config)#hw-module profile pele-phallo-taolo sebaka 0/6/0/1 Router(config-pfc-loc)#buffer-internal traffic-class 3 pause-threshold 1574400 bytes headroom 1651200 bytes ecn 629760 bytes max-threshold 1416960 per probabilitytage 50 Router(config-pfc-loc)#buffer-internal traffic-class 4 pause-threshold 1574400 bytes headroom 1651200 bytes ecn 629760 bytes max-threshold 1416960 bytes probability-percentage 50 Router(config-pfc-loc)#commit
[Kgetho 3: Ntle le tekanyo e phahameng le monyetla-percencetage liparamente] Ho ipapisitsoe le litlhoko tsa hau, o ka hlophisa le PFC ka mokhoa oa ka hare oa buffer ntle le liparamente tsena.
Router(config)#hw-module profile bohlokoa-phallo-taolo sebaka 0/6/0/1 Router(config-pfc-loc)#buffer-internal traffic-class 3 pause-threshold 1574400 bytes headroom 1651200 bytes ecn 629760 bytes Router(config-pfc-loc)#buffer -sephethephethe sa ka hare-sehlopha sa 4 khefutsa-moepo 1574400 li-byte headroom 1651200 bytes ecn 629760 bytes Router(config-pfc-loc)#commit

Ela Hloko Bona Malebela a Molemo ho ECN Threshold le Maemo a Maholo a Menyetla ea ho Tšoaea: Lipotso, leqepheng la 12 ho tseba haholoanyane ka mefokolo ea ho fetoha lipakeng tsa mekhoa ea tlhophiso.
Matha Configuration
[Kgetho ea 1: Mokhoa oa tlhophiso oa kamehla] /* Boemo ba Sehokelo*/ Mokhoa oa ho laola phallo ea pele ho ! /*Karete ea line*/ hw-module profile pele-phallo-taolo ea sebaka 0/6/0/1
sephethephethe se atolositsoeng sa sephethephethe-sehlopha sa 3 se atolositsoeng sa sephethephethe-sehlopha sa 4 !
[Kgetho ea 2: Mokhoa oa tlhophiso ea tloaelo] /* Boemo ba Sehokelo*/ Mokhoa oa ho laola phallo ea pele ho ! /*Karete ea mohala*/
hw-module profile pele-phallo-taolo sebaka 0/6/0/1 buffer-ka hare sephethephethe-sehlopha sa 3 khefutsa-moepo 1574400 bytes headroom 1651200 bytes ecn
629760 bytes max-threshold 1416960 bytes monyetla-percentage 50 buffer-internal traffic-class 4 pause-threshold 1574400 bytes headroom 1651200 bytes ecn
629760 bytes max-threshold 1416960 bytes monyetla-percentage 50!
[Kgetho 3: Ntle le tekanyo e phahameng le monyetla-percencetage li-parameter] /* Interface Level*/ mokhoa oa ho laola phallo ea pele ho ! /*Karete ea mohala*/
buffer-internal traffic-class 3 pause-threshold 1574400 bytes headroom 1651200 bytes ecn 629760 bytes

Lokisa Taolo ea Phallo ea Bohlokoa 14

Lokisa Taolo ea Phallo ea Bohlokoa

Pele Phallo ea Phallo Watchdog Overview

buffer-internal traffic-class 4 pause-threshold 1574400 bytes headroom 1651200 bytes ecn 629760 bytes !
Netefatso
[Kgetho ea 1: Mokhoa oa tlhophiso ea kamehla] Router#show controllers npu priority-flow-control location all

Sebaka:

0/6/CPU0

PFC:

E lumelletsoe

Mokhoa oa PFC:

buffer-ka hare

TC Pause-threshold Headroom

ECN

ECN-MAX

Prob-per

———————————————————————————

3 1574400 li-byte

1651200 bytes 629760 bytes 1416960 bytes 5

4 1574400 li-byte

1651200 bytes 629760 bytes 1416960 bytes 5

[Kgetho ea 2: Mokhoa oa tlhophiso oa tloaelo]

Router#show controllers npu priority-flow-control sebaka kaofela

Sebaka:

0/6/CPU0

PFC:

E lumelletsoe

Mokhoa oa PFC:

buffer-ka hare

TC Pause-threshold Headroom

ECN

ECN-MAX

Prob-per

———————————————————————————

3 1574400 li-byte

1651200 bytes 629760 bytes 1416960 bytes 50

4 1574400 li-byte

1651200 bytes 629760 bytes 1416960 bytes 50

[Kgetho 3: Ntle le tekanyo e phahameng le monyetla-percencetagliparamente]

Router#show controllers npu priority-flow-control sebaka kaofela

Sebaka:

0/6/CPU0

PFC:

E lumelletsoe

Mokhoa oa PFC:

buffer-ka hare

TC Pause-threshold Headroom

ECN

ECN-MAX

Prob-per

———————————————————————————

3 1574400 li-byte

1651200 bytes 629760 bytes e sa hlophisoa e sa hlophisoa

4 1574400 li-byte

1651200 bytes 629760 bytes e sa hlophisoa e sa hlophisoa

Pele Phallo ea Phallo Watchdog Overview
PFC Watchdog ke mokhoa oa ho khetholla lifefo leha e le life tsa PFC (boemo bo tsitsitseng) marang-rang. E boetse e thibela PFC ho hasana marang-rang le ho sebetsa ka loop. U ka hlophisa nako ea ho shebella ea PFC ho bona hore na lipakete tse moleng o sa theoheng li tsoa ka nako e itseng. Ha nako e feta, lipakete tsohle tse tsoang li lahleloa holim'a li-interfaces tse tsamaellanang le mokoloko oa PFC o sa nts'itsoeng.
Sena se hloka ho beha leihlo ho amohela PFC boema-kepeng bo bong le bo bong le ho bona likou tse bonang palo e sa tloaelehang ea liforeimi tsa khefutso e tsitsitseng. Hang ha e fumanoa, mochine oa balebeli o ka tiisa liketso tse 'maloa likoung tse joalo, tse kenyelletsang ho hlahisa molaetsa oa syslog bakeng sa mekhoa ea tsamaiso ea marang-rang, ho koala letoto, le ho tsosolosa mokoloko (ka mor'a hore sefefo sa PFC se khaotse).
Mona ke kamoo PFC Watchdog e sebetsang kateng:
1. Mojule oa Watchdog o beha leihlo mela e lumelletsoeng ke PFC ho fumana hore na ho amoheloa palo e sa tloaelehang ea liforeimi tsa khefutso tsa PFC ka nako e itseng (nako ea ho lebela.)
2. Hardware ea hau e tsebisa module ea Watchdog ha liforeimi tse ngata tsa PFC li amoheloa 'me sephethephethe meleng e lumellanang se emisoa ka nako e itseng.

Lokisa Taolo ea Phallo ea Bohlokoa 15

Lokisa Nako ea Pele ea Phallo ea Phallo ea Tlhokomelo

Lokisa Taolo ea Phallo ea Bohlokoa

3. Ha o fumana litsebiso tse joalo, mochine oa Watchdog o qala nako ea ho koala 'me o tsamaisa boemo ba queue ho emela ho koala.
4. Ka linako tse itseng nakong ea ho koala, mokoloko oa hlahlojoa bakeng sa liforeimi tsa PFC le haeba sephethephethe se eme. Haeba therafiki e sa eme hobane mokoloko ha o so fumane liforeimi tsa PFC, mokoloko o khutlela sebakeng se shebiloeng.
5. Haeba sephethephethe se khomaretsoe nako e telele 'me nako ea ho koala e felile, mokoloko o fetela boemong ba ho theoha' me PFC Watchdog e qala ho theola lipakete tsohle.
6. Ka linako tse ling, Watchdog e hlahloba letoto la liforeimi tsa PFC le hore na sephethephethe se ntseng se le teng. Haeba sephethephethe se eme moleng ha lipakete tsa PFC li ntse li fihla, mokoloko o lula o le boemong ba ho theoha kapa ho koala.
7. Ha sephethephethe se se se sa tsitsitse, sebali sa "autorestore" se qala. Ka linako tse ling, mojule oa hlahloba hore na mokoloko o tsitsitse ka lebaka la liforeimi tsa PFC.
8. Haeba letoto le amohela liforeimi tsa PFC nakong ea ho qetela ea ho khutlisa autorestore, sebali sa nako ea ho khutlisa koloi se seta hape ha se felloa ke nako.
9. Haeba mokoloko o sa fumane liforeimi tsa PFC nakong ea ho qetela ea autorestore, mochine oa Watchdog o tsosolosa mokoloko, 'me sephethephethe se qala hape.
Lihlooho Tse Amanang · Pele Phallo ea Phallo ea Peleview, leqepheng la 1
Lokisa Nako ea Pele ea Phallo ea Phallo ea Tlhokomelo
U ka lokisa liparamente tsa PFC Watchdog (nako ea ho shebella, ho koala sekhahla, ho tsosolosa ka koloi) maemong a lefats'e kapa a sebopeho. Lemoha hore:
· Ha mokhoa oa lefats'e oa Watchdog o holofetse kapa o koetsoe, Watchdog e holofalitsoe lihokelong tsohle. Boemo bona ho sa tsotellehe boemo ba sebopeho sa li-setting tsa Watchdog mode.
· Ha mokhoa oa lefats'e oa Watchdog o nolofalitsoe kapa o ntse o tsoela pele, litlhophiso tsa boemo ba li-interface tsa Watchdog li feta litekanyetso tsa lefatše tsa Watchdog mode.
· Ha o configure segokanyimmediamentsi sa sebolokigolo litšoaneleho tsa Watchdog tse kang karohano, shutdown multiplier, 'me auto-tsosolosa multiplier, ba override lefatše Watchdog litšobotsi.
Hlokomela Ho hlophisa mokhoa oa PFC le maano a eona ke ntho e hlokahalang bakeng sa PFC Watchdog.
Tlhophiso Example U ka lokisa Watchdog lefatšeng ka bophara kapa boemong ba sebopeho.

Lokisa Taolo ea Phallo ea Bohlokoa 16

Lokisa Taolo ea Phallo ea Bohlokoa

Lokisa Nako ea Pele ea Phallo ea Phallo ea Tlhokomelo

Note Watchdog e nolofalitsoe ka ho sa feleng, ka litekanyetso tsa kamehla tsa tsamaiso ea:
Nako ea ho shebella = 100 ms
Shutdown multiplier = 1
Qala bocha ka boits'oaro = 10
P/0/RP0/CPU0:ios#show balaoli hundredGigE 0/2/0/0 pele-flow-control
Tlhahisoleseding ea taolo ea phallo ea pele bakeng sa interface HundredGigE0/2/0/0:
Tlhophiso ea taolo ea phallo e tlang pele: (D) : Boleng ba kamehla U : Ha ea hlophisoa ——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————— ———————————————————————-PFC watchdog state : UU Enabled(D) Poll interval : UU 100(D) Shutdown multiplier : UU 1(D) Auto - tsosolosa multiplier : UU 10(D) RP/0/RP0/CPU0:ios#config RP/0/RP0/CPU0:ios(config)#priority-flow-control-control watchdog mode off RP/0/RP0/CPU0:ios (config) #inehela
RP/0/RP0/CPU0:ios(config)#do bontša balaoli makholoGigE 0/2/0/0 bohlokoa-flo$
Tlhahisoleseding ea taolo ea phallo ea pele bakeng sa interface HundredGigE0/2/0/0:
Tlhophiso ea taolo ea phallo e tlang pele: (D) : Boleng ba kamehla U : Ha ea hlophisoa ——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————— ———————————————————————-PFC boemo ba balebedi : Disabled U Disabled Poll interval : UU 100(D) Shutdown multiplier : UU 1(D) Auto-restore morekisi: UU 10(D)
RP/0/RP0/CPU0:ios(config)#interface hundredGigE 0/2/0/0 pele-phallo-taolo $ RP/0/RP0/CPU0:ios(config)#commit
RP/0/RP0/CPU0:ios(config)#do bontša balaoli makholoGigE 0/2/0/0 bohlokoa-flo$
Tlhahisoleseding ea taolo ea phallo ea pele bakeng sa interface HundredGigE0/2/0/0:
Tlhophiso ea taolo ea phallo e tlang pele: (D) : Boleng ba kamehla U : Ha ea hlophisoa ——————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————— ———————————————————————-PFC boemo ba balebedi : Disabled Enabled Disabled Poll interval : UU 100(D) Shutdown multiplier : UU 1(D) Auto-restore ngatafatsa: UU 10(D)
Lokisa Taolo ea Phallo ea Bohlokoa 17

Lokisa Nako ea Pele ea Phallo ea Phallo ea Tlhokomelo

Lokisa Taolo ea Phallo ea Bohlokoa

RP/0/RP0/CPU0:ios(config)#interface hundredGigE 0/2/0/1 pele-phallo-taolo $ RP/0/RP0/CPU0:ios(config)#commit
RP/0/RP0/CPU0:ios(config)#do bontša balaoli makholoGigE 0/2/0/1 bohlokoa-flo$
Tlhahisoleseding ea taolo ea phallo ea pele bakeng sa interface HundredGigE0/2/0/1:
Tlhophiso ea taolo ea phallo e tlang pele: (D) : Boleng ba kamehla U: Ha ea hlophisoa —————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————— ———————————————————————-PFC boemo ba balebedi : Enabled Disabled Disabled Poll interval : UU 100(D) Shutdown multiplier : UU 1(D) Auto-restore ngatafatsa: UU 10(D)
Netefatso
Ho netefatsa hore PFC Watchdog e nolofalitsoe lefats'eng ka bophara, tsamaisa taelo ea mokhoa oa ho shebella oa pele-flow-control.
Router#sh e tsamaisa mokhoa oa ho lebela oa pele-phallo-control mokhoa oa ho lebela pele-phallo-taolo ea mokhoa oa ho lebela
Ho netefatsa tlhophiso ea hau ea PFC Watchdog ea lefats'e, tsamaisa taelo ea pele-flow-control watchdog.
Router#sh e tsamaisa mokhoa oa ho laola phallo ea pele
pele-phallo-control-control watchdog interval 100 priority-flow-control watchdog auto-restore-multiplier 2 priority-flow-control watchdog mode on priority-flow-control watchdog shutdown-multiplier 2
Lihlooho Tse Amanang
· Pele Phallo Control Watchdog Overview, leqepheng la 15

Lokisa Taolo ea Phallo ea Bohlokoa 18

Litokomane / Lisebelisoa

CISCO 8000 Series Routers Configure Priority Flow Control [pdf] Bukana ea Mosebelisi 8000 Series Routers Lokisa Taolo ea Phallo ea Bohlokoa, Letoto la 8000, Li-routers Lokisa Taolo ea Phallo ea Pele, Lokisa Taolo ea Phallo ea Pele, Taolo ea Phallo ea Pele, Taolo ea Phallo, Taolo.

Litšupiso

• Bukana ea Mosebelisi