Cisco 1700 Series Installationsanleitung PDF herunterladen (Seite 19)

Configuring an ADSL WAN Interface Card on Cisco 1700 Series Routers

OL-3317-03

Configuring Quality of Service Parameters

interface ATM0/0

dsl operating-mode auto

no ip address

no atm ilmi-keepalive

interface ATM0/0.1 point-to-point

description COLLEGAMENTO

mtu 576

ip address 1.0.0.1 255.0.0.0

pvc 99/99

protocol ip 2.0.0.2 broadcast

vbr-nrt 142 142 1

tx-ring-limit 3

oam-pvc 0

oam retry 5 5 1

encapsulation aal5snap

service-policy out ADSL-out

dial-peer voice 201 voip

destination-pattern 3640200

session target ipv4:14.0.0.3

playout-delay maximum 300

ip qos dscp cs4 media

ip qos dscp cs4 signaling

Committed Access Rate

Committed access rate (CAR) allows you to limit bandwidth transmission rates to traffic sources and

destinations and allows you to specify policies for handling traffic that both conforms to and breaches

the specified bandwidth allocations.

CEF mode is required for CAR support. To enable CEF, enter the ip cef command.

To enable CAR, enter the rate-limit command under the atm interface.

Configuration Example

The following example shows a Cisco 1751 router configured with CAR:

ip cef

interface ATM0/0.1 point-to-point

dsl operating-mode auto

mtu 576

ip address 10.0.0.10 255.255.255.0

rate-limit output 368000 2000 2000 conform-action set-dscp-transmit 40 exceed-action

set-dscp-transmit 48

pvc 0/33

protocol ip 10.0.0.9 broadcast

vbr-rt 160 160 1

encapsulation aal5snap

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 33 34

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