cisco carrier routing system (crs) cable&isp event 2010€¦ · statistike paketizacrs ceftabele...
TRANSCRIPT
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Cisco Carrier Routing System (CRS)
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 1
Cable&ISP Event 2010
ðorñe Vulović, SE, CCIE #[email protected]
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Pozicioniranje CRS platforme
CRS
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 2
Core Thin Core Peering E-MSE
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CRS - Highlights� Skalabilan od 1 do 72 šasije (do 92 Tbps ili 1152 40G linijskih
kartica)� Šasije sa 4, 8 ili 16 slotova� Linijske kartice sa 40 Gbps danas i 120 Gbps u budućnosti
(septembar 2010)
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 3
� Izvršava IOS-XR operativni sistem� Carrier Class redundansa i otpornost na mrežne napade� Skalabilna kontrolna ravan i Secure Domain Routing
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StatistikePaketi za CRS
CEF Tabele
CRS arhitekturaRP (active)
PLIM FABRPLIMMSCMSC
MIDP
FABR
PLIMPLIM
MSCMSC
MIDP
IGP/BGP rutiranje
RP (standby) DRP
Paketi Paketi izlaze
IGP/BGP rutiranje
MIDP
MIDP
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 4
RICS1
PLIMPLIMPLIM
MSCMSCMSC
PLANE
PLIMPLIMPLIMPLIM
MSCMSCMSCMSC
MIDPLANE
FABRICS1
FABRICS2
RICS3
FABRICS3
PLIMPLIMPLIM
MSCMSCMSC
PLIMPLIMPLIMPLIM
MSCMSCMSCMSC
PLANE
MIDPLANE
Paketi ulaze
izlazePLANE
MIDPLANE
PLANE
MIDPLANE
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CRS šasije
Switch Fabric – LC/LC&RP/LC vezaPLIM & MSC – ravan podataka
Fans and Controllers - hlañenjeAir Intake and Exhaust - hlañenjePower Supplies – AC ili DC
RP – procesor za kontrolnu ravan
FABRIMSCMSCPLIMPLIM
CABLE MGMTAIR OUTFAN TRAY
POWERSUPPLIES
POWERSUPPLIES
FANCTRL
CRS-1
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 5
Front View Rear View16 Slot 8 Slot 8 Slot 16 Slot
F FA AB BF FA AB B
FABRIC
RIC
MSCMSCMSCMSCPLIMPLIM PLIMPLIM
CABLE MGMT
AIR OUT
FAN TRAY
FAN TRAY
POWER SUPPLIESFAN TRAY
CABLE MGMT
AIRINTAKE
CTRL
AIR INTAKE
CABLE MGMT
POWER SUPPLIES
DRPR RP P
R RP P
DRPPLIM
CRS-1
MSC
AIR INTAKEPOWER SUPPLIES
RP PLIM
MSC
RP
F F F FA A A AB B B B
AIR OUT
4 Slot 4 Slot
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CRS-3� 3.5x nadgradnja kapaciteta:
Od 40G/slot do 140G/slot u postojećoj šasijiIsti profil napajanja10GE moduli sa velikim brojem interfejsa i 100GE moduli
� Superiorna 100GE imeplementacijaJedan L3 100 Gbps tok L3 (ne 2x50)
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 6
Jedan L3 100 Gbps tok L3 (ne 2x50)Potpuno redudantna konfiguracija (bez active-active fabrika)
CRSCRS--33CRSCRS--11~5000 rutera Novi fabric
Nove linjske kartice
Nedisruptivno
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CRS-3 (nastavak)� 140G/Slot
Podržani svi modeli (4-slot, 8-slot, 16-slot, multi-šasija)PLIM-ovi (inicijalno): 1x100GE, 14x10GE, 20x10GE (oversub)Procesorski moduli: MSC140, FP140Redudantni 140 Gbps fabrik
� Aplikacije:
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 7
MSC140: veliki core, veliki edgeFP140: manji core, Internet povezivanje
� Funkcionalnosti:3M+ prefiksa12,000 korisničkih konekcija (VLAN-ovvi, VPN-ovi) sa H-QoS (64k redova)L2 VPN (VPLS, VPWS), L3 VPNHardverski-ubrzani OAM protokoliIntegrisani hardverski time-stamping za kritično SLA monitorisanje (kašnjenje džiter)
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CRS 16-slotna šasija� Midplane dizajn:
Napred16 PLIM slotova2 RP slotova2 fan kontrolera
Nazad16 LC slotova8 fabrik kartica
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 8
8 fabrik kartica� Dimenzije(cm): 60 x 104.2 x 213.36� Napajanje (kW): 13.9 (DC) or 14.6 (AC)� Težina (kg): 723 kg� Zagrevanje (BTU): 41000
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Ruter od 723 kg ☺
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 9
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CRS 8-slotna šasija� Midplane dizajn:
Napred8 PLIM slotova2 RP slotova
Nazad8 LC slotova4 fabrik kartice
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 10
� Dimenzije(cm): 44.5 W x 93 D x 97.8 H� Napajanje (kW): 8 (DC) or 8.75 (AC)� Težina (kg): 275 kg� Zagrevanje (BTU): 27350� Za montiranje u rek
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CRS 4-slotna šasija� Midplane dizajn:
Napred4 PLIM slota4 LC slota2 RP slota (isti RP kao 8-slotna šasija)
Nazad4 fabrik slota
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 11
� Dimenzije (cm): 47.1 W x 76.9 D x 76.2 H� Napajanje (kW): 4.7KW (DC) ili 4.75 (AC)� Težina (kg): 172.4� Zagrevanje (BTU): 14570� Za montiranje u rek
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Procesiranje kontrolne ravni kod CRS-a� ROUTE PROCESSORS (RP)
1 SMP kompleks po RP-u2 poseban slota za RPProcesiraju protokole rutiranja, nadzor i upravljanje, vrše upravljanje šasijom itd.Uvek u active/standbykonfiguraciji
SMPSMP
SMPSMPSMPSMP
SMPSMP
1 of 82 of 8
3 of 8
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 12
Uvek u active/standbykonfiguraciji� DISTRIBUTED ROUTE PROCESSORS (DRP)
2 SMPs kompleksa po DRP-uZauzimaju 1 MSC i 1 PLIM slotSluže kao dodatni procesorski element ili kao glavni procesorski element kod SDR-ova
SMPSMP
SMPSMPROUTE PROCESSORS
DISTRIBUTED RPs
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Poreñenje RP-ova 4/8 Slot RP 16 Slot RP DRP
CPU 1x 1.2GHz PPCRP/A = 2x 800MHz
PPCRP/B = 2x 1.2Ghz
PPC2x (2x1.2 GHz) PPC
Memorija 2-4 GB 2-4 GB 2 x 4 GBMgmt Eth 1x 10/100/1000 1x 10/100/1000 2x 10/100/1000
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 13
Mgmt Eth 1x 10/100/1000 1x 10/100/1000 2x 10/100/1000FlashPCMCIA
1 GB Internal1 GB External
1 GB Internal1 GB External
2x 1 GB Internal2x 1 GB External
Disk 40 GB 40 GB 2x 40 GB
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Pregled CRS linijskih kartica� CRS linjska kartica se sastoji od dva dela odnosno dva posebna modula:
Procesorski modul koji vrši funkcije prosleñivanja i veze sa fabrikomPLIM (Physical Line Interface Module) PLIM koji sadrži fizičke portove vrši L1 frejming
� Tipovi procesorskih modula:
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 14
40 Gbps moduli:MSC40 (per-VLAN QoS)FP40 (per-port QoS); nije podržan u 16-slotnoj šasiji i u multi-šasiji
140 Gbps moduli (septembar 2010)MSC140 (per-VLAN QoS)FP140 (per-port QoS)
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Poreñenje CRS procesorskih modulaMSC40 FP40 MSC140 FP140
# IPv4 ruta 2M 2M 4M 1M/4M*# IPv6 ruta 768K 768K 2M 500K/2M*# MPLS labela 1M 1M 1M 1M# VPNv4 ruta 1M 1M 2.5M 1M/2.5M*# VPNv6 ruta 768K 768K 2M 500K/2M*
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 15
# VPNv6 ruta 768K 768K 2M 500K/2M*# IPv4 Multicast grupa 512K 512K 2M 2MParsiranje IPv6 zaglavlja
uCode uCode HW HW
# interfejsa 2K 100 12K 250# redova 8K 8/port 64K 8/portGranularnost ograničavanja
244K 244K 8K 8K
*sa odgovarajućom licencom
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Poreñenje MSC40 i FP40 modula
MSC40 FP40Protok 80 Mpps 45 Mpps# redova 8000 redova po slotu 8 redova po portu# L3 interfejsa po slotu/sistemu 890/4k 100/400# PW po slotu/sistemu 4k/16k 100/500
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 16
# PW po slotu/sistemu 4k/16k 100/500# prefiksa 2M 2M
LicenceL2/L3VPN licenca Uključeno OpcionoPerformance Netflow licenca Uključeno OpcionoNapredne f-sti (LI, tuneliranje) Uključeno Opciono
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4 port 10GE LAN (4-10GE)
42 port 1GE(42-1GE)
� 4 x 10GE� LR+/ER+ XENPAK�DWDM-XENPAK
� 42 x 1GE� SX, LX/LH,
ZX, T SFP
PLIM-ovi za FP40 20 port 1GEFlex PLIM
(20-1GE-FLEX)� Fiksnih 20 portova 1GE sa 2 SPA slota za POS i/ili Ethernet SPA-ove
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 17
SPA-ove
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Matrica kompatibilnosti kod CRS-1 šasijaŠasija PLIM Procresorski modulMulti-chassis &CRS-16/S
4-10GE CRS-MSC-40G-B
42-1GE20-1GE-FLEX
2-10GE-WL-FLEX
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 18
Svi postojeći PLIM-ovi/SIP-800
CRS-8/SCRS-4/S
4-10GE CRS-FP40ili
CRS-MSC-40G-B42-1GE
20-1GE-FLEX
2-10GE-WL-FLEX
Svi postojeći PLIM-ovi/SIP-800 CRS-MSC-40G-B
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PLIM-ovi za MSC140/FP140
14X10GBE-WL-XFP
1x100GBE� Line-rate performanse (100Gbps)� CFP optika (LR4)
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 19
� Line-rate performanse (140Gbps)� Konfigurabilni LAN/WAN PHY
20X10GBE-WL-XFP� Oversubscribed (140Gbps)� Konfigurabilni LAN/WAN PHY
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Arhitektura MSC40 kartice
PL
Ingress PSE(Metro)188 PPEs
Ingressq(Sprayer)
8000 shaping queues FAB
Ingress side
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 20
LIM FabricQ 0(Sponge)
FabricQ 1(Sponge)
Egress PSE(Metro)188 PPEs
BRICEgressq
8000 dynamic queues
MSC
Egress side
LC CPU
2 FabricQs
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Arhitektura FP40 kartice
PL
Ingress PSE(Metro)121 PPEs
Ingressq(Sprayer)
8 shaping queuesPer port F
AB
Ingress side
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 21
LIM
FabricQ 0(Sponge)
Egress PSE(Metro)121 PPEs
BRICEgressq
8 queues per physical port
FP40
Egress side
LC CPU
1 FabricQ
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Arhitektura MSC140/FP140 kartice
PL
Ingress PSE(Pogo)256 PPEs
Ingressq(Seal)
8000 shaping queues FAB
Ingress side
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 22
LIM FabricQ 0(Crab)
FabricQ 1(Crab)
Egress PSE(Pogo)256 PPEs
BRIC
Egressq(Tor)
8000 dynamic queues
MSC
Egress side
LC CPU
2 FabricQs
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Tok paketa kroz CRS linijsku karticuMODULAR SERVICES CARD PLIM
MIDPL
ANE
MIDPL
ANE
OC192Framer and Optics
OC192Framer and Optics
OC192Framer OC192Framer
Egress Packet FlowFrom Fabric
Interface Module ASIC
RX SPPL3 EngineRX SPPL3 Engine
IngressQueuingIngressQueuing
4
123
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 23
MIDPL
ANE
MIDPL
ANE
CPUSquidGW
Framer and OpticsFramer and Optics
OC192Framer and Optics
OC192Framer and Optics
OC192Framer and Optics
OC192Framer and Optics
TX SPP L3 EngineTX SPP
L3 EngineFrom Fabric ASICFrom Fabric ASIC
EgressQueuingEgressQueuing
1
8
765
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Egress PSE
Power Regulators
2*FabricQ
EgressQ
Primer CRS-1 kartice: MSC40
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 24
Line Card CPU
PSE
IngressPSE IngressQ
SP
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CGSE servisna kartica� CGSE = Carrier Grade Solution Engine� Servisni PLIM za CRS-1 platformu� Hardver:
Quad Octeon multiprocesorska arhitektura, 64 CPU jezgara10 Gbps protok
� Softver
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 25
� SoftverIOS-XR na MSC-u, Linux on Octeon CPU-ovimaKoristi XR App SVI da skrene pakete na CGNKoristi Vector Packet Path (VPP) za NATIntegrisana konfiguracija u IOS XR
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CGSE servisna kartica (nastavak)� Preliminarne performanse:
6.7 Mpps (IMIX)10Gbps full-duplex20 miliona translacija
� 1 + 1 Warm Standby Switchover < 1 sec� IPv6 funkcionalnosti će biti usklañene sa IETF BEHAVE WG standardima
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 26
standardima6TSv1 je SP NAT44 na dual-stack CRS-1 ruteru6TSv2 (od 2H2010) će dodati sledeće softverske funkcionalnosti:
6rd Border RelayIPv4/IPv6 XLATDS-Lite Tunnel Concentrator
� FCS: IOS-XR 3.9.1 (April 2010)
http://www.cisco.com/go/cgv6
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CRS svičing fabrik� Neblokirajuća interkonekcija izmeñu linijskih kartica� Zasnovan na tronivoskoj Beneš topologiji� Sastavljen od 4 ili 8 paralelnih ravni� Dva nivoa prioriteta (High=HP, Low=LP)� Replikacija multikast paketa u samom fabriku (1M grupa)
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 27
RPPLIM
PLIM
PLIM
PLIM
MSCMSCFPFP
MSCMSCFPFP
PLIM
PLIM
PLIM
PLIM
RPFABRIC
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CRS svičing fabrik (nastavak)
1 of 8
2 of 8
8 of 8
1
2
8
1
2
16
40 Gbps
Line Card Line Card
50 Gbps136 Bytes Cells Fabric
Chassis100 Gbps/LC(2)(2.5X Speedup)
S1 S2 S3
S1 S2 S3
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 28
1296 X 1296 baferisani neblokirajući svičInterkonekcija sa tronivoskom Beneš topologijom
S1 S2 S3
Dva nivoa prioriteta:HP za prioritetni saobraćaj LP za Best Effort saobraćaj
Podrška za multikastMaksimalno 1M grupa
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Svičing fabrik u CRS-1/16 šasiji� Ukupno 8 fabrik kartica� Ukupno 8 ravni → 1 ravan po kartici� Ukupno 4 ulazna MSC linka i 8 izlaznih linkova po ravni� Svaka ravan sadrži jedan (2xS1, 2xS2, 4xS3) kompleks
Gornjih 8 slotova koriste jedan S1, donjih 8 koriste drugi S1
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 29
Gornjih 8 slotova koriste jedan S1, donjih 8 koriste drugi S1Gornjih 8 slotova koriste jedan S3 par, donjih 8 koriste drugi S3 par
S1
S1
S2
S2 S3
S318
18
18
18
181818
18
18181818
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Svičing fabrik u CRS-1/16 šasiji (nastavak)
IngressQ
FabricQ 0
FabricQ 1
4 / LCS1
S1
S2
S2 S3
S318
18
18
18
181818
18
181818184 / LC
2 + 2 / LC36+3636
36
Ravan 1
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 30
4 / LC
4 / LC
S1
S1
S2
S2 S3
S318
18
18
18
181818
18
18181818
FabricQ 0
FabricQ 1
IngressQ 4 / LC
36+36
36
36
Ravan 8
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Svičing fabrik u CRS-1/8 šasiji� Ukupno 4 fabrik kartice� Ukupno 8 ravni → 2 ravni po kartici� Ukupno 4 ulazna MSC linka i 8 izlaznih linkova po ravni� Svaka ravan sadrži jedan (S1, S2, S3) kompleks
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 31
� Svaka ravan sadrži jedan (S1, S2, S3) kompleks
S1 S2 S336 36
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Svičing fabrik u CRS-1/8 šasiji (nastavak)
S1 S236 36
Ravan 1
FabricQ 0
S34 / LC
4 / LC72
364 / LC
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 32
IngressQFabricQ 1
4 / LC 4 / LC
S1 S236 36
Ravan 8
S3 7236
4 / LC
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Svičing fabrik u CRS-1/4 šasiji� Ukupno 4 fabrik kartice � Ukupno 4 ravni → 1 ravan po fabrik kartici� Ukupno 8 ulaznih MSC linkova i 16 izlaznih linkova po ravni
� Svaka ravan sadrži jedan (S1, S2, S3) kompleks
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 33
� Svaka ravan sadrži jedan (S1, S2, S3) kompleks
S1 S2 S336 36
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Svičing fabrik u CRS-1/4 šasiji (nastavak)
S1 S236 36
Ravan 1
FabricQ 0
S38 / LC
8 / LC72
36
8 / LC
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 34
IngressQFabricQ 1
8 / LC8 / LC
S1 S236 36
Ravan 4
S336
8 / LC
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CRS-3 svičing fabrik� Ista arhitektura kao i CRS-1 fabric samo sa novim čipovima (SuperStar umesto Star)
� Povećava se samo brzina SERDES linkova sa 2.5 Gbps na 5 Gbps
� SERDES linkovi mogu raditi i na 2.5 Gbps i na 5 Gbps
© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 35
� SERDES linkovi mogu raditi i na 2.5 Gbps i na 5 Gbps tako da CRS-3 svičing fabrik podržava i MSC40/FP40 linijske kartice
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© 2007 Cisco Systems, Inc. All rights reserved. Cisco ConfidentialPresentation_ID 36