Cisco N7K-C7009 Manual de usuario descargar pdf (Pagina 73)

Presentation_ID

Cisco Public

BRKARC-3470 Cisco Public

Packet header:

SIP: 10.1.1.1

DIP: 10.2.2.2

Protocol: TCP

SPORT: 33992

DPORT: 80

Result affects

final packet

handling

Generate

Lookup Key

Forwarding Engine

xxxxxxx | 10.3.3.xx | xx | xxx | xxx

xxxxxxx | 10.4.12.xx | xx | xxx | xxx

10.1.1.xx | xxxxxxx | udp | xxx | xxx

10.1.1.xx | xxxxxxx | tcp | xxx | xxx

xxxxxxx | 10.5.5.xx| tcp | xxx | 23

CL TCAM Lookup – QoS

ip access-list police

permit ip any 10.3.3.0/24

permit ip any 10.4.12.0/24

ip access-list remark-dscp-32

permit udp 10.1.1.0/24 any

ip access-list remark-dscp-40

permit tcp 10.1.1.0/24 any

ip access-list remark-prec-3

permit tcp any 10.5.5.0/24 eq 23

CL TCAM

10.1.1.1 | 10.2.2.2 | tcp | 33992 | 80

xxxxxxx | 10.2.2.xx | xx | xxx | xxx

10.1.1.xx | xxxxxxx | tcp | xxx| xxx

HIT!

CL SRAM

QoS Classification ACLs

Generate TCAM

lookup key

SIP | DIP | Pr | SP | DP

Compare

lookup key

Hit in CL TCAM

returns result in

CL SRAM

Result

Return

lookup

result

Policer ID 1

Remark DSCP 32

Remark DSCP 40

Remark IP Prec 3

SIP | DIP | Pr | SP | DP

Comparisons

(X = “Mask”)

Results

1 2 ... 68 69 70 71 72 73 74 75 76 77 78 ... 87 88

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Cisco N7K-C7009 Manual de usuario Pagina 73

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