Transcription

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3 QoS Session NCS-215

4 ftp://ftp-eng.cisco.com/mmontane/networkershandouts.zip e/ip_tele/avvidqos/index.htm

5 OSI QoS

6 QoS 3

7 Si Si Si Si WAN QoS QoS QoS 3 VoIP WRED 3 VoIP WRED QoS QoS QoS. QoS. QoS WAN QoS WAN IP VC Citrix IP IP VC Cireix IP IP VC Cireix IP

8 IP QoS WAN QoS VoIP

9 PCM (64Kbps)IP 64Kbps 80Kbps PCM VoIP ( 50pps) G Kbps GW DSP CODEC 30 msec 1 G.729A 20 msec IP FAX ; 2

10 384 Kbps (30 fps) (CIF) I I Kbps 0pps 5pps P B Kbps I P B

11 (CIF) % % % % %

12 QoS Citrix DLSw+ PeopleSoft Oracle ERP PC / FTP Napster KaZaa Morpheus Grokster

13 WAN MTU MTU IP UDP 4-5 TCP 1MB

14 Citrix : / Citrix WAN MTU TCP TCP ACK

15 IP QoS WAN QoS VoIP

16 Q/p PREAM. SFD DA SA Type TAG 4 PT DATA FCS CoS (802.1D ) PRI CFI VLAN ID ToS 1 Len 3 IPV4 ID Offset TTL Proto FCS IP-SA IP-DA Data IP DSCP DSCP IPV4: MSB IP ( D.S. 2 )

17 (PHB) EF (DSCP) Prêt Prêt Prêt (CS) 4 AF41 AF42 AF (CS) 3 AF31 AF32 AF (CS) 2 AF21 AF22 AF (CS) 1 AF11 AF12 AF

18 DSCP Decimal Binary IP PREC Binary (PHB) (DSCP) <BE <BE <BE3 EF BE AF AF High Drop Prêt Prêt Prêt AF AF (CS) 4 AF22 AF41 20 AF AF AF (CS) 3 AF31 AF32 AF AF AF (CS) 2 AF21 AF22 AF AF AF (CS) 1AF42 AF11 36 AF AF AF EF

19 Si TX / RPT

20 WAN QoS Q VLAN /

21 WAN QoS Enabled WAN WAN CBWFQ LLQ VoIP ATM/FR VoIP, 768Kbps WAN LFI VoIP LFI crtp

22 IPSec VPN VoIP VPN Crypto FIFO crypto (CAR crypto ) pre-classify IP IP mc MoH, IPSec GRE crtp IPSec Session VVT-216: IPSec VPN Session VVT-201: / SOHO IPSec VPN

23 IP QoS WAN QoS VoIP

24 QoS VLAN=81 ( ) VLAN= (PFC) 6500 (PFC) VLAN=80 (Citrix) IOS (PFC) Si VVID= Si VVID= / WAN XL VVID=112 VLAN=10 VLAN=11 VLAN=12

25 IP Catalyst 6000 VLAN = 110 PC VLAN = 10 (PVID) 802.1p 2 CoS 802.1Q IP PC VLAN (PVID); PC IP ; CCM 3.1(x) ; : PC NIC full/100, half/

26 PC CoS : ASIC CoS 0 IP ASIC COS = 5 COS = 5 COS = 7 COS = 0 set port qos <mod/port> trust-ext IP PC cat6k set port qos <mod/port> trust cat6k ( ), trust-cos, trust-ipprec, trust-dscp 6k 10/100 ACL

27 IP AP WLAN AP QoS AP VoIP / QoS ; AP + Spectralink QoS ESE Brian Cox VoIP WLAN

28 / L3 Aware IP VC H.323 PC VC WAN PQ DSCP AF41 : VVT-130: IP VVT-230: IP VVT-330: IP

29 DLSw+ L3 Aware IP 5 PQ trust-ipprec DLSw+ dlsw DLSw+ ; DLSw+ IP Prec dlsw remote-peer 0 tcp priority dlsw tos map high 2 medium 2 normal 2 low 2 DLSw+ DSCP IP ;

30 IP QoS WAN QoS VoIP

31 QoS?!

32 1 2 RR/WRR/PQ

33 6k cat6k-access> (enable) sh mac 5/1 1 2 Port Rcv-Unicast Rcv-Multicast Rcv-Broadcast / Port Xmit-Unicast Xmit-Multicast Xmit-Broadcast / RR/WRR/PQ Port Rcv-Octet Xmit-Octet / MAC Dely-Exced MTU-Exced In-Discard Out-Discard /

34 4k SUPIII 4006-SUPIII-Access#sh int g3/2 count all... Port InPkts OutPkts RR/WRR/PQ Port InPkts OutPkts Gi3/2 0 0 Port Tx-Bytes-Queue-1 Tx-Bytes-Queue-2 Tx-Bytes-Queue-3 Tx-Bytes-Queue-4 Gi3/ Port Tx-Drops-Queue-1 Tx-Drops-Queue-2 Tx-Drops-Queue-3 Tx-Drops-Queue-4 Gi3/ Port Rx-No-Pkt-Buff RxPauseFrames TxPauseFrames PauseFramesDrop Gi3/

35 Si Si QoS Si Si

36 QoS Catalyst / 2900/3500 2Q1T Q (Priority Schedule or WRR) P3Q2T or 4Q2T 4000/SUPII 2Q1T 4000/SUPIII 1P3Q2T (priority config) Q2T TX (10/100 classic) 1Q4T RX (10/100 classic) 1P2Q2T TX (gig classic) 1P1Q4T RX (gig classic) / 4000/SUPIII 1P3Q2T Q2T TX (10/100 classic) fabric) 1Q4T RX (10/100 classic) 1P2Q2T TX (gig classic) 1P1Q4T RX (gig classic) 1P3Q1T TX (10/100 1P1Q RX (10/100 fabric) 1P2Q1T TX (gig fabric) 1P1Q8T RX (gig fabric)

37 Catalyst 3500-XL/2900 QoS (8m dram) 2 (2Q1T) CoS 0-3 =, 4-7 = CoS QoS (802.1p) CoS 3524-PWR 3524-PWR CoS GigaStack: Pt-2-Pt Si Si Si 3524-PWR

38 Catalyst 3500/2900 XL 3500/2900 XL Si interface FastEthernet0/1 power inline auto speed auto switchport trunk encapsulation dot1q switchport trunk native vlan 12 switchport mode trunk switchport voice vlan 112 switchport priority extend cos 0 spanning-tree portfast interface GigabitEthernet0/1 switchport trunk encapsulation dot1q switchport mode trunk 3524-PWR Si PWR Si 3524-PWR vlan database (EXEC Mode) vlan 112

39 Catalyst 2950 QoS 4 ( Si WRR) ACL, gt, eq DSCP (13) 802.1p DSCP ACL QoS DSCP, CoS ( ) DSCP CoS 2950 ( / ) CoS DSCP / DSCP CoS 3 /4

40 Catalyst mls qos map cos-dscp mls qos!! interface GigabitEthernet0/12 description Uplink to no ip address mls qos trust dscp!! interface FastEthernet0/1 description To IP Phone no ip address mls qos trust cos switchport voice vlan 111 switchport access vlan 11 switchport priority extend cos 0 Si Si 3550 Si

41 Catalyst 3550 QoS 4 (1P3Q2T 4Q2T) PQ CoS 5 4 PQ priority-queue out CoS wwr-queue 4 5 ( ) ( ) 802.1p DSCP ACL QoS DSCP CoS ( ) DSCP CoS ( / ) CoS DSCP/ DSCP CoS (2002 3/4 ) 3/4 Si

42 Catalyst 3550 mls qos map cos-dscp mls qos!! interface GigabitEthernet0/12 description Uplink to no ip address flowcontrol send off mls qos trust dscp wrr-queue cos-map 4 5 priority-queue out! interface Fastthernet0/1 description to IP Phone no ip address mls qos trust CoS wrr-queue cos-map 4 5 priority-queue out switchport voice vlan 111 switchport access vlan 11 switchport priority extend cos 0 Si

43 Catalyst 3550 mls qos map cos-dscp mls qos! class-map match-all VoIP-Bearer match access-group name VoIP-Bearer class-map match-all Mission-Critical match access-group name Mission-Critical class-map match-all VoIP-Control match access-group name VoIP-Control! policy-map VoIP-Policy class VoIP-Control set ip dscp 26 class VoIP-Bearer set ip dscp 46 class Mission-Critical set ip dscp 18! interface GigabitEthernet0/1 description Classification no ip address flowcontrol send off service-policy in VoIP-Policy wrr-queue cos-map 4 5 priority-queue out Si

44 Catalyst 4000 QoS (SUPII) 2 (2Q1T) CoS (802.1p) QoS QoS, CoS 1 Si Si ; CoS CoS CoS PEM Si 4000

45 Catalyst 4000 (SUPII) Cat4K cat4k> (enable) set qos enable cat4k> (enable) set qos map 2q1t 1 1 cos 0-1 cat4k> (enable) set qos map 2q1t 2 1 cos 2-3 cat4k> (enable) set qos map 2q1t 2 1 cos 4-5 cat4k> (enable) set qos map 2q1t 2 1 cos 6-7 Si Si Si cat4k> (enable) show qos info runtime Run time setting of QoS: QoS is enabled All ports have 2 transmit queues with 1 drop thresholds (2q1t). Default CoS = 0 Queue and Threshold Mapping: Queue Threshold CoS

46 Catalyst 4000 QoS (SUPIII) 4 (1P3Q2T 4Q2T) PQ CoS 5 3 PQ tx-queue 3 Priority high ( ) ( ) 802.1p DSCP ACL QoS ( ) DSCP CoS ( / ) DSCP CoS CoS DSCP / DSCP CoS PEM 3/4 Si Si 4000SUPIII Si

47 Catalyst 4000 (SUPIII) qos map cos 1 to dscp 10 qos map cos 2 to dscp 18 qos map cos 3 to dscp 26 qos map cos 4 to dscp 34 qos map cos 5 to dscp 46 qos!! interface GigabitEthernet1/1 description Uplink to Distribution qos trust dscp no snmp trap link-status tx-queue 3 priority high!! interface FastEthernet4/1 description To IP Phone qos trust cos no snmp trap link-status switchport voice vlan 111 switchport vlan 11 switchport priority extend cos 0 tx-queue 3 priority high Si Si 4000 Si

48 Catalyst 4000 (SUPIII) qos map cos 2 to dscp 18 qos map cos 3 to dscp 26 qos map cos 4 to dscp 34 qos map cos 5 to dscp 46 qos! class-map match-all VoIP-Bearer match access-group name VoIP-Bearer class-map match-all Mission-Critical match access-group name Mission-Critical class-map match-all VoIP-Control match access-group name VoIP-Control! policy-map VoIP-Policy class Mission-Critical set ip dscp 18 class VoIP-Control set ip dscp 26 class VoIP-Bearer set ip dscp 46! interface GigabitEthernet1/1 qos trust cos service-policy in VoIP-Policy tx-queue 3 priority high Si Si 4000 Si

49 6500 QoS (PFC) SUP,, 802.1p DSCP ACL QoS ( ) DSCP CoS DSCP CoS ( ) CoS DSCP/ DSCP CoS DSCP IP Prec CoS / : trust-cos ( RX PQ) 10/100 ACL CoS ( ) WRR ( ) Si Si 6500 Si

50 Catalyst 6500 Cat6K Si cat6k-access> (enable) set qos enable cat6k-access> (enable) set qos acl ip ACL_IP-PHONES trust-cos ip any any cat6k-access> (enable) set qos acl ip ACL_VIDEO-CONF trust-ipprec ip host any cat6k-access> (enable) set qos acl ip ACL_IPTV trust-ipprec ip any any cat6k-access> (enable) set port qos 5/1-48 trust trust-cos cat6k-access> (enable) set port qos 5/1-48 vlan-based cat6k-access> (enable) set port qos 4/2,4 port-based cat6k-access> (enable) commit qos acl all cat6k-access> (enable) set qos acl map ACL_IP-PHONES 110 cat6k-access> (enable) set qos acl map ACL_VIDEO-CONF 4/2 cat6k-access> (enable) set qos acl map ACL_IPTV 4/4 cat6k-access> (enable) set qos map 1p2q2t tx 2 1 cos 3 cat6k-access> (enable) set qos map 2q2t tx 2 1 cos 3 cat6k-distrib> (enable) set qos cos-dscp-map cat6k-distrib> (enable) set qos ipprec-dscp-map cat6k-access> (enable) set port qos 1/1-2 trust trust-cos Si 6500 Si

51 Si Si QoS Si Si Access

52 Catalyst 4000 QoS (SUPIII) 4 (1P3Q2T 4Q2T) PQ CoS 5 3 PQ tx-queue 3 Priority high ( ) ( ) 802.1p DSCP ACL QoS ( ) DSCP CoS DSCP CoS ( / ) CoS DSCP/ DSCP CoS 32g max Si Si Si SUPIII 4006

53 Catalyst 4000 (SUPIII) Si qos map cos 1 to dscp 10 qos map cos 2 to dscp 18 qos map cos 3 to dscp 26 qos map cos 4 to dscp 34 qos map cos 5 to dscp 46 qos! interface GigabitEthernet4/1 qos trust cos no snmp trap link-status tx-queue 3 priority high! interface GigabitEthernet4/2 qos trust dscp no snmp trap link-status tx-queue 3 priority high Si 4000 Si

54 6500 QoS Sup,, Si CoS DSCP ACL QoS ( ) DSCP CoS DSCP CoS ( / Si Si ) CoS DSCP/ DSCP CoS DSCP IP Prec CoS : trust-cos ( RX PQ) /100 ACL CoS ( ) WRR ( )

55 Catalyst 6500 Cat6K Si cat6k-distrib> (enable) set qos map 1p2q2t tx queue 2 1 cos 3 cat6k-distrib> (enable) set qos map 2q2t tx queue 2 1 cos 3 cat6k-distrib> (enable) set qos ipprec-dscp-map cat6k-distrib> (enable) set qos cos-dscp-map cat6k-distrib> (enable) set port qos 1/1-2,3/2 trust trust-cos cat6k-distrib> (enable) set port qos 1/1-2,3/2 vlan-based cat6k-distrib> (enable) set port qos 9/1 trust trust-dscp cat6k-distrib> (enable) set port qos 9/1 port-based cat6k-distrib> (enable) set qos acl ip ACL_TRUST-WAN trust-dscp ip any any cat6k-distrib> (enable) commit qos acl ACL_TRUST-WAN cat6k-distrib> (enable) set qos acl map ACL_TRUST-WAN 9/1 6500

56 Catalyst 6500 Cat6K mls qos mls qos map ip-prec-dscp mls qos map cos-dscp int range gigabitethernet 1/1-2 wrr-queue cos-map wrr-queue cos-map Si -IOS 6500! Trust CoS from the PFC enabled Access Switch interface GigabitEthernet2/1 description trunk port to PFC enabled cat6k-access no ip address wrr-queue cos-map wrr-queue cos-map mls qos vlan-based mls qos trust cos switchport switchport trunk encapsulation dot1q switchport mode trunk

57 Catalyst 6500 ( ) Cat6K! Trust CoS from the Layer 2 only Catalyst 4000 Access Switch interface GigabitEthernet2/2 description trunk port to layer 2-only cat4k no ip address wrr-queue cos-map wrr-queue cos-map mls qos vlan-based mls qos trust cos switchport switchport trunk encapsulation dot1q switchport mode trunk! Trust CoS from the Layer 2 only 3500 Access Switch interface GigabitEthernet3/1 description trunk port to layer 2-only 3500 no ip address wrr-queue cos-map wrr-queue cos-map mls qos vlan-based mls qos trust cos switchport switchport trunk encapsulation dot1q switchport mode trunk Si -IOS 6500

58 QoS?!

59 IP QoS WAN QoS VoIP

60 WAN QoS 75% LLQ 33% LLQ WAN VoIP /ATM 768Kbps LFI IP LFI TX WAN (Cytrix DLSW+ ) hog = BE crtp

61 3 2 WFQ PQ PQ VC VoIP- l PQ MC- CBWFQ LTBE TX

62 3 2 WFQ 12.2 PQ 7200 PQ VC PQ ; ATM 12.2 PQ TX VoIP- MC- CBWFQ t LTBE

63 LLQ WAN VoIP class-map VoIP-Bearer match ip dscp EF class-map VoIP-Control match ip dscp AF31 class-map Video match ip dscp AF41 class-map mc-data match ip dscp AF21 match ip precedence 2! policy-map QoS-Policy class VoIP-Bearer priority percent 17 class Video priority percent class VoIP-Control bandwidth percent 2 class mc-data bandwidth percent 25 class class-default random-detect dscp-based fair-queue! * FTP : 12.2(5.6) 1 QoS- ATM: 12.2(3) ATM1/0.1 QoS- VoIPovFR: 12.2(3) map-class frame voipofr frame cir frame mincir 1280 frame bc 1280 frame frag 160 QoS-

64 VoIP CODEC G msec kbps G.711 G.729A G.729A CODEC 30 msec 20 msec msec t kbps 24 kbps 18 kbps ATM PPP G.711 at 50 pps 85.6 kbps 82.4 kbps 106 kbps 81.6 kbps G.711 at 33 pps G.729A at 50 pps G.729A at 33 pps kbps 29.6 kbps 75.5 kbps 84 kbps 26.4 kbps 42.4 kbps 22.2 kbps 20 kbps 28 kbps 75 kbps 25.6 kbps 19.5 kbps

65 768 kbps MTU MTU 56 kbps ms MTU MTU MTU kbps 9 ms 18 ms 36 ms 72 ms 144 ms 214 ms 64 kbps 128 kbps 256 kbps 512 kbps 768 kbps 8 ms 4 ms 2 ms 1 ms 640 used 16 ms 8 ms 4 ms 2 ms 1.2 ms 32 ms 16 ms 8 ms 4 ms 2.6 ms 64 ms 32 ms 16 ms 8 ms 5 ms 128 ms 64 ms 32 ms 16 ms 10 ms 187 ms 93 ms 46 ms 23 ms 15 ms MTU 10ms VC 56 kbps kbps kbps kbps kbps kbps kbps 2000

66 TX- VoIP QoS TX- FIFO E-2-E * TX- a PPP 6 MLPPP ATM TX- ( ) VC 64 ( T1 ) TX- /CIR/PVC ( ) 128 kbps kbps 256 kbps 512 kbps 768 kbps

67 WAN QoS VoIP IOS 12.2(5.6) LFI crtp MLPPP =< 768kb FTP

68 PPP QoS interface Multilink1 ip address no ip mroute-cache load-interval 30 service-policy output QoS-Policy ppp multilink ppp multilink fragment-delay 10 ppp multilink interleave multilink-group 1! interface Serial0 bandwidth 256 no ip address encapsulation ppp no ip mroute-cache load-interval 30 no fair-queue ppp multilink multilink-group 1

69 WAN QoS VoIP IOS 12.2(5.6) LFI crtp VC CIR - CRC Bc = CIR/100 Be = 0 MINCIR >= s FRF.12 < 768kbps = Max_Allowed_Jitter / (1 / I kbps) FTP

70 ? VoIP QoS 128 kbps 256 kbps 512 kbps 768 kbps, ATM T1 T ?

71 ? VoIP QoS 256 kbps? ESE ; 512 kbps T1, ATM 768 kbps 128 kbps T ?

72 (FRTS) = Bc CIR 125ms = 7000 bits bps 0 bits 7k 14k 21k 28k 35k 42k 49k 56k T1 : CRC 4.5ms 0ms bits (Bc) 4.5ms 104.5

73 QoS interface Serial1 no ip address encapsulation frame-relay load-interval 30 frame-relay traffic-shaping! interface Serial1.71 point-to-point bandwidth 256 ip address frame-relay interface-dlci 71 class VoIP! map-class frame-relay VoIP frame-relay cir frame-relay bc 2509 frame-relay be 0 frame-relay mincir no frame-relay adaptive-shaping service-policy output QoS-Policy frame-relay fragment 320

74 QoS interface Serial1 no ip address encapsulation frame-relay load-interval 30 frame-relay traffic-shaping 2 1! interface Serial1.71 point-to-point bandwidth 256 ip address frame-relay interface-dlci 71 class VoIP! map-class frame-relay VoIP frame-relay cir frame-relay bc 2509 frame-relay be 0 frame-relay mincir no frame-relay adaptive-shaping service-policy output QoS-Policy frame-relay fragment 320 CRC 2 1 CRC CIR 95% Shape to CIR * Frame_Sz/[Frame_Sz + (Flags+CRC)] *320 / (320+4) =

75 QoS interface Serial1 no ip address Format encapsulation load-interval Flag 30 Header traffic-shaping 2 Data Variable CRC 1! CIR 99% 98% 97% 96% interface Serial1.71 point-to-point 56 kbps bandwidth ip address kbps interface-dlci 71 class 128 kbps VoIP ! 256 kbps map-class VoIP 512 kbps cir bc kbps be 0 mincir no adaptive-shaping service-policy = ( X output QoS-Policy ) ( + 4 ) fragment Flag 1 96% 95% 94% Allow for Flags and CRC % of of CIR Shape to CIR * _Sz/[ _Sz + (Flags+CRC)] *320 / (320+4) =

76 WAN QoS ATM VoIP 12.2(3) ATM FRF.8 VC VC CIR - CRC MLPPP Bc = CIR/100 ATM Be = 0 MINCIR >= LFI 12.2(3) ATM MLPPP crtp FTP

77 ATM QoS Remote Frame-Relay Configuration interface Serial6/0 description T1 to Frame Relay switch no ip address encapsulation frame-relay load-interval 30 no arp frame-relay frame-relay traffic-shaping! interface Serial6/0.73 point-to-point description 3640 no arp frame-relay frame-relay interface-dlci 73 ppp Virtual- Template2 class VoIP-256kbs! interface Virtual-Template2 bandwidth 254 ip address service-policy output QoS-Policy ppp authentication chap ppp chap hostname R72HQ ppp chap password F1C2243 ppp multilink ppp multilink fragment-delay 10 ppp multilink interleave Central ATM Configuration Central ATM Configuration interface ATM2/0 no ip address no ip mroute-cache no shutdown atm pvc ilmi no atm ilmi-keepalive! interface ATM2/0.37 point-to-point pvc cisco37 0/37 tx-ring-limit 3 abr protocol ppp Virtual-Template2!! interface Virtual-Template2 bandwidth 254 ip address service-policy output QoS-Policy ppp authentication chap ppp chap hostname HQ_7200 ppp chap password F1C2243 ppp multilink ppp multilink fragment-delay 10 ppp multilink interleave

78 WAN QoS ATM ATM VoIP 12.2(3) ATM MCR/SCR LFI crtp VC 12.2(3) ATM MLPPP 12.2(4)XV2 FTP

79 PPPoATM MLPPP ATM PVC 56 kbps 64 kbps 192 kbps 256 kbps 320 kbps 384 kbps 448 kbps 512 kbps 576 kbps 640 kbps 704 kbps 768 kbps PPP ( ) msec 10 msec 11 msec 10 msec 10 msec 10 msec 10 msec 10 msec 10 msec 10 msec 10 msec 10 msec 57 kbps 68 kbps 202 kbps 260 kbps 337 kbps 414 kbps 452 kbps 529 kbps 606 kbps 644 kbps 721 kbps 798 kbps 13.7 msec 12.0 msec 128 kbps 4 11 msec 132 kbps 12.0 msec 12.0 msec 10.5 msec 10.8 msec 11.0 msec 10.3 msec 10.5 msec 10.7 msec 10.2 msec 10.4 msec 10.5 msec 48 10m

80 ATM QoS interface ATM2/0 interface ATM2/0 no ip address no ip mroute-cache atm pvc ilmi no atm ilmi-keepalive! interface ATM2/0.37 point-to-point pvc cisco37 0/37 tx-ring-limit 3 vbr-nrt protocol ppp Virtual-Template2! interface Virtual-Template2 bandwidth 132 ip address service-policy output QoS-Policy ppp authentication chap ppp chap hostname HQ_7200 ppp chap password F1C2243 ppp multilink ppp multilink fragment-delay 11 ppp multilink interleave

81 WAN QoS ATM ATM VoIP PVC ATM MCR/SCR LFI crtp Vc VBR-NRT PVC /

82 ATM VC vc-class atm atm-bundle broadcast oam-pvc manage 1 oam retry encapsulation aal5snap protocol ip inarp broadcast oam-bundle manage 1 vc-class atm priority-class vbr-nrt precedence 4-7! vc-class atm default-class ubr precedence other! interface ATM1/0 no ip address no atm ilmi-keepalive! interface ATM1/0.1 multipoint ip address bundle Denver class-bundle atm-bundle protocol ip broadcast pvc-bundle Denver-priority 0/207 class-vc priority-class pvc-bundle Denver-default 0/206 class-vc default-class!! bundle RTP class-bundle atm-bundle protocol ip broadcast pvc-bundle RTP-priority 0/307 class-vc priority-class pvc-bundle RPT-default 0/306 class-vc default-class

83 QoS WAN VoIP QoS LLQ LFI 1700, 2600, 3600, 3700, Cat4224 L2 QoS L3 L2 VoIP Catalyst Catalyst 2950, 3550, 3524-XL Catalyst 4000 Catalyst 6500 NBAR LTBE

84 802.1Q VLAN=70 Aux VLAN=170 nterface FastEthernet1/0 description Catalyst 4000 Branch Office Switch no ip address ip route cache policy no ip mroute-cache load-interval 30 speed 100 full-duplex nterface FastEthernet1/0.70 description native subnet data encapsulation dot1q 70 ip address service-policy output output-l3-to-l2 no ip mroute-cache cat4k> (enable) set vlan 70 name data70 cat4k> (enable) set vlan 170 name voice170 cat4k> (enable) set vlan 70 2/1-48 cat4k> (enable) set port host 2/1-48 cat4k> (enable) set port auxiliaryvlan 2/ cat4k> (enable) set port speed 2/1-49 auto cat4k> (enable) set trunk 2/49 on dot1q nterface FastEthernet1/0.170 description native subnet voice encapsulation dot1q 170 ip address service-policy output output-l3-to-l2

85 3 2 WAN IOS 12.1(5)T* mod-cli class-map L3-to-L2-VoIP-RTP match ip dscp EF class-map L3-to-L2-Video-Conf match ip dscp AF41 class-map L3-to-L2-VoIP-Control match ip dscp AF31! policy-map output-l3-to-l2 class L3-to-L2-VoIP-RTP set cos 5 class L3-to-L2-Video-Conf set cos 4 class L3-to-L2-VoIP-Control set cos 3! interface e0/0 service-policy output output-l3-to-l2

86 VC IP WAN VLAN= Aux VLAN=170 GK/ GK WAN GK Aux VLAN=170 VLAN=70

87 WAN WAN class-map Video-Conf match access-group 102! policy-map QoS-Policy class Video-Conf priority class class-default fair-queue!! Video-Conf Traffic access-list 102 permit ip host any dscp af GK H323 proxy! interface FastEthernet1/0.249 descrip native subnet data encapsulation dot1q 70 ip address service-policy output output-l3-to-l2 no ip mroute-cache h323 interface h323 qos ip-precedence 4 h323 h323-id vail-px@vail.com h323 gatekeeper ipaddr

88 NBAR,, ATM Napster, KaZaa, Morpheus, Grokster Citrix / / PDLM

89 NBAR P2P PDLM PDLM RAM ip nbar pdlm flash:gnutella.pdlm match protocol class-map match-any protocol P2P match protocol gnutella match protocol fasttrack match protocol napster ( KaZaa, Morphius Groekster) (napster.pdlm IOS 12.2) WRED DSCP policy-map P2P class P2P set dscp 2 policy-map P2P class P2P set dscp 2

90 WAN QoS LLQ/CBWFQ, FRF.12, MLPPP, WRED VoIP Hog LTBE

91 IP QoS WAN QoS VoIP

92 ATM 255

93 QoS QoS RTP ( ) (ToS 5) (RTP ) % 0% ( ) PVC 128 kbps 256 kbps 768 kbps 1536 kbps 128 kbps 256 kbps 768 kbps 1536 kbps 128 kbps 256 kbps 768 kbps 1536kbps ( ) ( )

94 QoS RTP PVC msec ( ) msec ( ) kbps 256 kbps 768 kbps 1536 kbps 128 kbps 256 kbps 768 kbps 1536 kbps 128 kbps 256 kbps 768 kbps 1536kbps < 50 msec

95 QoS (RTP ) PVC msec ( ) msec ( ) kbps 256 kbps 768 kbps 1536 kbps 128 kbps 256 kbps 768 kbps 1536 kbps 128 kbps 256 kbps 768 kbps 1536kbps < 5 msec

96 CPU 7500/VIP4-80 QoS LLQ/LFI CPU PPS RTP Qos Impact to PPS on 7500/VIP-4-80 pps Baseline 7500 QoS Enabled K 256K 768K 1536K PVC Bandwidth

97 CPU 7200 NPE-400 QoS VC, QoS 7200 PPS pps Qos Impact to PPS on 7200 w/npe Baseline 7200 QoS Enabled K 256K 768K 1536K PVC Bandwidth

98 QoS (7.5)T 2651, ATM 12.2(7.6) 3640, ATM 12.2(7.6) 3725, ATM (DS3) 12.2(7.6)T (2)YC 128k 256k 768k 2.048M 4.5 M RTP Chariot proc cpu

99 2651 CPU QoS + crtp x CPU (one minute avg.) CPU by WAN Media Type (QoS and crtp Enabled) FrameRelay ATM Leased Line K 256K 768K 2.048M 4.5M Link Speed 70.6

100 3725 CPU QoS + crtp x CPU (one minute avg.) CPU by WAN Media Type (QoS and crtp Enabled) FrameRelay ATM Leased Line K 256K 768K 2.048M 4.5M Link Speed 31.3

101 IP QoS WAN QoS VoIP

102 ? VPN DSL : VC PPPoATM (?) ISDN: ( FTP ) VVT-216: IPSec VPN VVT-201: / SOHO IPSec VPN

103 Crypto VPN VPN VPN VPN VPN Client VPN

104 VoIP + Crypto:? Crypto / QoS + VPN IOS VPN crypto SP

105 : IPSec VoIP VoIP Packet X RTP UDP IP IPSec GRE 76/80X ( ) VoIP ATM IPSec MLPPP CODEC IP UDP RTP and IPSec PPP ATM Cells 53b Cells 48b Payload G.711 at 50 pps 112 kbps kbps kbps G.729A at 50 pps 54.4 kbps 56.8 kbps 63.6 kbps

106 SOHO CPE PIX /1710 PIX / x5 DSL VPN 3002 PIX 501 DSL DSL VPN 3002 PIX 501 DSL PIX x ISDN,

107 DSL 827 PIX 501 DSL 806/1710 DSL LLQ/CBWFQ (MLPPP) PPPoATM PPPoEthernet

108 PPPoATM MLPPP ATM PVC PPP ( ) 56 kbps 64 kbps 192 kbps 256 kbps 320 kbps 384 kbps 448 kbps 512 kbps 576 kbps 640 kbps 704 kbps 768 kbps msec 10 msec 11 msec 10 msec 10 msec 10 msec 10 msec 10 msec 10 msec 10 msec 10 msec 10 msec 57 kbps 68 kbps 202 kbps 260 kbps 337 kbps 414 kbps 452 kbps 529 kbps 606 kbps 644 kbps 721 kbps 798 kbps 13.7 msec 12.0 msec 128 kbps 4 11 msec 132 kbps 12.0 msec 12.0 msec 10.5 msec 10.8 msec 11.0 msec 10.3 msec 10.5 msec 10.7 msec 10.2 msec 10.4 msec 10.5 msec 48 10ms

109 PPPoATM (827) class-map match-all voice match ip dscp EF class-map match-all signaling match ip dscp AF31! policy-map telework class voice priority 64 class signaling bandwidth 8 class class-default fair-queue! interface ATM0 no ip address pvc 1/100 vbr-rt tx-ring-limit 3 encapsulation aal5mux ppp dialer dialer pool-member 1 bandwidth 132 ip address negotiated ip nat outside encapsulation ppp no ip mroute-cache load-interval 30 dialer pool 1 dialer-group 1 service-policy output telework no cdp enable ppp authentication chap callin ppp chap hostname 827a ppp chap password 7 104D000A0618 ppp multilink ppp multilink fragment-delay 11 ppp multilink interleave

110 DSL PIX DSL 806/1710 DSL LLQ/CBWFQ (MLPPP) PPPoATM PPPoEthernet

111 10/100m 128k DSL 806/1710 DSL QoS

112 PPPoEthernet (806) class-map match-any shaped match any class-map match-all VoIP-Bearer match ip dscp EF class-map match-all VoIP-Control match ip dscp AF31! policy-map QoS-Policy class VoIP-Bearer priority percent 33 class VoIP-Control bandwidth percent 2 class class-default fair-queue random-detect dscp-based policy-map Traffic-Shaper class shaped bandwidth 256 shape peak service-policy QoS-Policy! interface Ethernet1 ip address dhcp service-policy out Traffic-Shaper

113 SOHO CPE PIX / DSL DSL DSL VPN 3002 PIX 501 PIX /1710 9x5 VPN 3002 PIX 501 PIX x ISDN,

114 PIX /1710 9xx DSL DSL DOCSIS 1.1 LLQ/CBWFQ DOCSIS

115 DOCSIS (Net Access Control) = 1 18 (Maximum Number of CPE) = (Upstream Packet Classification Block) CPE DOCSIS S01 (Classifier Reference)= 1 S03 (Flow Reference) = 3 S05 (Rule Priority) = 0 S06 (Activation State) = 1 S09 (IP Packet Classification) T01 (IP ToS Range & Mask) = T02 (IP Protocol) = 256 S10 (Ethernet LLC Packet Classification) T02 (Source MAC Addr) = a-29-7e 23 (Downstream Packet Classification Block) S01 (Classifier Reference)= 13 S03 (Flow Reference) = 6 S05 (Rule Priority) = 0 S06 (Activation State) = 1 S09 (IP Packet Classification) T01 (IP ToS Range & Mask) = T02 (IP Protocol) = 256 T05 (Destination Address) = T06 (Destination Mask) = T07 (Source Port Start) = (Upstream Service Flow Block) S01 (Flow Reference) = 1 S06 (QoS Parameter Set Type) = 7 S08 (Max Substained Traffic Rate) = S15 (Service Flow Scheduling Type) = 2 24 (Upstream Service Flow Block) S01 (Flow Reference) = 3 S06 (QoS Parameter Set Type) = 7 S15 (Service Flow Scheduling Type) = 5 S16 (Request/Transmission Policy) = 255 9x5 S17 (Nominal Polling Interval) ubr7246 = S18 (Tolerated Poll Jitter) = S19 (Unsolicited Grant Size) = 300 PIX 501 S20 (Nominal Grant Interval) = S21 (Tolerated Grant Interval) = 4000 S22 (Grant/Interval) = 1 806/ (Downstream Service Flow Block) S01 (Flow Reference) = 5 S06 (QoS Parameter Set Type) = 7 S08 (Max Substained Traffic Rate) = (Downstream Service Flow Block) S01 (Flow Reference) = 6 S06 (QoS Parameter Set Type) = 7

116 DOCSIS 1.1 Xtracts 18 (Maximum Number of CPE) = (Upstream Packet Classification Block) T01 (IP ToS Range & Mask) = Match IP Prec 5 T02 (IP Protocol) = 256 T02 (Source MAC Addr) = a-29-7e Match MAC 23 (Downstream Packet Classification Block) T01 (IP ToS Range & Mask) = Match IP Prec 5 T05 (Destination Address) = Match IP address T06 (Destination Mask) = (Upstream Service Flow Block) S19 (Unsolicited Grant Size) = 300 Bandwidth S20 (Nominal Grant Interval) = Timeslot

117 SOHO CPE PIX / DSL DSL DSL VPN 3002 PIX 501 PIX /1710 9x5 VPN 3002 PIX 501 Others PIX x ISDN,

118 ISDN VoIP 80x ISDN, ( ) LLQ/CBWFQ MLPPP LLQ/CBWFQ 12.2(7a) crtp B ( FTP )

119 ISDN VoIP class-map match-all VoIP-RTP match ip dscp EF class-map match-all VoIP-Sig match ip dscp AF31! policy-map voice-and-data class VoIP-RTP priority percent 65 class VoIP-Sig bandwidth percent 10! interface BRI0/0 encapsulation ppp dialer pool-member 1 ppp authentication chap interface Dialer1 encapsulation ppp dialer pool 1 dialer remote-name routerb-dialer1 dialer-group 1 dialer string service-policy output voice-and-data ppp authentication chap ppp chap hostname routera-dialer1 ppp chap password cisco ppp multilink ppp multilink fragment-delay 10 ppp multilink interleave ppp multilink links minimum 2

120 ( IDSL ) PIX x ISDN, LLQ/CBWFQ MLPPP

121 (806) class-map match-any shaped match any class-map match-all VoIP-Bearer match ip dscp EF class-map match-all VoIP-Control match ip dscp AF31! policy-map QoS-Policy class VoIP-Bearer priority percent 33 class VoIP-Control bandwidth percent 2 class class-default fair- random-detect dscp-based policy-map Traffic-Shaper class shaped bandwidth 256 shape peak service-policy QoS-Policy! interface Ethernet1 ip address service-policy out Traffic-Shaper

122 LFI PIX / DSL DSL DSL VPN 3002 PIX 501 PIX /1710 9x5 VPN 3002 PIX 501 PIX x ISDN,

123 IP QoS WAN QoS VoIP

124 ?

125 ( ) LAN QoS / LLQ/CBWFQ, PQ, WRR, WRED, LFI FRF.12, MLPPP, QoS

126 QoS Session

127 Session

128