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Examples: Configuring T3 Interfaces

T3 interfaces can use PPP, Cisco HDLC, or Frame Relay encapsulation.

PPP Encapsulation on a DS3 PIC



[edit]
interfaces {


t3-fpc/pic/port {
encapsulation ppp;


t3-options {
no-long-buildout;
compatibility-mode larscom;
payload-scrambler;
}




unit 0 {


family inet {


address 10.0.0.1/32 {
destination 10.0.0.2;
}


}


family iso;
}


}


}

Cisco HDLC Encapsulation on a DS3 PIC



[edit]
interfaces {


t3-fpc/pic/port {
encapsulation cisco-hdlc;


t3-options {
no-long-buildout;
compatibility-mode larscom;
payload-scrambler;
}




unit 0 {


family inet {


address 10.0.0.1/32 {
destination 10.0.0.2;
}


}


family iso;
}


}


}

Configure Frame Relay encapsulation on two platforms, where one platform is a DTE device and the other is a DCE device:

On DTE Router



[edit]
interfaces {


t3-fpc/pic/port {
encapsulation frame-relay;


t3-options {
no-long-buildout;
compatibility-mode larscom;
payload-scrambler;
}




unit 1 {
dlci 1;


family inet {


address 10.0.0.1/32 {
destination 10.0.0.2;
}


}


family iso;
}




unit 2 {
dlci 2;


family inet {


address 10.0.0.3/32 {
destination 10.0.0.4;
}


}


family iso;
}


}


}

On DCE Router



[edit]
interfaces {


t3-fpc/pic/port {
dce;
encapsulation frame-relay;


t3-options {
no-long-buildout;
compatibility-mode larscom;
payload-scrambler;
}




unit 1 {
dlci 1;


family inet {


address 10.0.0.2/32 {
destination 10.0.0.1;
}


}


family iso;
}




unit 2 {
dlci 2;


family inet {


address 10.0.0.4/32 {
destination 10.0.0.3;
}


}


family iso;
}


}


}

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