Cisco Octal-Port DMT ATU-C Line Card Manual de usuario descargar pdf (Pagina 20)

Scenarios 195

In Example 8-13, the PVC is mapped from the Cisco 827 DSL connection (ATM1/1) to the

DSLAM trunking port (ATM0/1).

In Example 8-14, the PVC is conﬁgured from the DSLAM to the NSP and NRP. Interface

ATM8/0/0 is the network line card, and interface ATM1/0/0 is the NRP.

A bridge group is conﬁgured for IP, and a BVI is created for IRB. The BVI becomes the

default gateway for the remote device attached to the CPE equipment (which will be in

subnet 10.1.121.0/24). A subinterface is created for a PVC to the NSP. (See the NSP

conﬁguration. The NSP maps this PVC to another PVC from the DSLAM, which maps to

the subscriber PVC.) In this case, the 1/51 PVC is mapped across the NSP to the 6160. The

subinterface is also put in the bridge group. Example 8-15 shows the IRB conﬁguration for

the NRP.

Example 8-13 ATM PVC Conﬁguration for the Cisco 6160 DSLAM

interface ATM1/1

description IRB Architecture

no ip address

no atm ilmi-keepalive

atm pvc 1 51 interface ATM0/1 1 51

Example 8-14 ATM PVC Conﬁguration for the NSP

interface ATM8/0/0

description OC3 connection to lab-6160

no ip address

no ip directed-broadcast

no atm ilmi-keepalive

atm pvc 1 51 interface ATM1/0/0 1 51

Example 8-15 IRB Conﬁguration for the NRP

bridge irb

interface BVI1

ip address 10.1.121.1 255.255.255.0

no ip directed-broadcast

bridge 1 protocol ieee

bridge 1 route ip

interface ATM0/0/0

no ip address

no ip directed-broadcast

interface ATM0/0/0.51 point-to-point

continues

0732x01.book Page 195 Monday, November 17, 2003 2:49 PM

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Cisco Octal-Port DMT ATU-C Line Card Manual de usuario Pagina 20