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Example: Configuring Channelized OC48 Interfaces with Partitioned Channels

The following configuration is sufficient to get the channelized OC48 interface up and running. The OC48 interface can be divided into up to 4 OC12 channels, up to 16 OC3 channels, or up to 48 OC1 channels and combinations are permitted; for example, 1 OC12, 4 OC3s, and 24 OC1s. There are 48 OC1 slices available on the OC48 IQE interface. An OC48 configuration uses all 48 slices, each OC12 uses 12 slices, each OC1 uses 1 slice. Permissible combinations must fit within the 48 available OC1 slices. DS1 channels can use the following encapsulation types:

  • PPP, PPP CCC, and PPP TCC
  • Frame Relay, Frame Relay CCC, and Frame Relay TCC
  • Cisco HDLC, Cisco HDLC CCC, and Cisco HDLC TCC

The channels can also have logical interfaces.

[edit interfaces]t3-fpc/pic/port:0 {encapsulation cisco-hdlc;t3-options {compatibility-mode larscom;payload-scrambler;}unit 0 {family inet {address 10.11.30.1/30;}family iso;}}t3-fpc/pic/port:1 {encapsulation ppp;t3-options {compatibility-mode larscom;payload-scrambler;}unit 0 {family inet {address 10.11.30.5/30;}family iso;}}t3-fpc/pic/port:2 {encapsulation frame-relay;t3-options {compatibility-mode larscom;payload-scrambler;}unit 0 {dlci 100;family inet {address 10.11.30.9/30;}family iso;}unit 1 {dlci 101;family inet {address 10.11.31.9/30;}family iso;}}t3-1fpc/pic/port:3 {encapsulation cisco-hdlc-ccc;t3-options {compatibility-mode larscom;payload-scrambler;}unit 0;}t3-fpc/pic/port:4 {encapsulation ppp-ccc;t3-options {compatibility-mode larscom;payload-scrambler;}unit 0;}t3-fpc/pic/port:5 {dce;encapsulation frame-relay-ccc;t3-options {compatibility-mode larscom;payload-scrambler;}unit 0 {encapsulation frame-relay-ccc;dlci 1000;}unit 1 {encapsulation frame-relay-ccc;dlci 1001;}}

Published: 2010-04-20

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