Examples: Configuring T3 Interfaces
T3 interfaces can use PPP, Cisco HDLC, or Frame Relay encapsulation.
PPP Encapsulation on a DS3 PIC
[edit]
interfaces {
t3-0/0/0 {
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 {
t3-0/0/1 {
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 routers, where one router is a DTE device and the other is a DCE device:
On DTE Router
[edit]
interfaces {
t3-1/0/1 {
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 {
t3-1/1/1 {
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;
}
}
}