Cisco SCE 1000 2xGBE Guía de usuario descargar pdf (Pagina 317)

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Appendix A

LineCard Interface Configuration Mode Commands

SCE 1000 2xGBE Release 2.0.10 User Guide

OL-7117-02 A-47

tos-marking mode mode

Enables TOS marking. The SCE 1000 can mark the IP ToS field of transmitted packets, according

to the Diffserv scheme standard code points.

The platform supports the association of services to the following Diffserv classes: BE (Best

effort), EF (Expedited forwarding), AF1, AF2, AF3 and AF4 (Assured forwarding 1-4,

respectively). When packets exceed the bandwidth limit they are configured with, they are

internally marked in RED color and dropped by the SCE 1000 itself. Packets that are below their

limit are marked with either green or yellow drop precedence depending on their actual relative

rate.

Note

When TOS marking is enabled, the first few TCP packets are associated and marked with a default AF4

class that is mapped to the IQ2 queue. This occurs because the SCE 1000 transmits the first few packets

before classifying the flow and identifying the application or service

Default Disabled

Authorization admin

Mode LineCard Interface Configuration

ARAMETERS

mode Mode for TOS marking. Currently the system supports only diffserv.

XAMPLE:

SCE 1000(config if)#tos-marking mode diffserv

SCE 1000(config if)#

no tos-marking diffserv

Disables TOS marking.

Default Disabled

Authorization admin

Mode LineCard Interface Configuration

XAMPLE:

The following example disables TOS marking.

SCE 1000(config if)#no tos-marking diffserv

SCE 1000(config if)#

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Cisco SCE 1000 2xGBE Guía de usuario Pagina 317

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