"B1"
chassis {
    fpc 0 {
        pic 0 {
            tunnel-services;
            port 0 {
                speed 100g;
            }
            port 1 {
                speed 100g;
            }
            port 2 {
                speed 40g;
            }
            port 3 {
                speed 40g;
            }
        }
pic 1 {
    tunnel-services;
    port 0 {
        speed 10g;
    }
    port 1 {
        speed 10g;
    }
    port 2 {
        speed 10g;
    }
    port 3 {
        speed 10g;
    }
    port 4 {
        speed 10g;
    }
    port 5 {
        speed 10g;
    }
    port 6 {
        speed 10g;
    }
    port 7 {
        speed 10g;
    }
    port 8 {
        speed 10g;
    }
}


interfaces {
    lt-0/1/0 {
        unit 0 {
            encapsulation ethernet-ccc;
            peer-unit 1;
        }
        unit 1 {
            encapsulation ethernet;
            peer-unit 0;
        }
    }



protocols {
l2circuit {
    neighbor x.x.x.48 {
        interface lt-0/1/0.0 {
            virtual-circuit-id 1002;
        }
    }
}


B3
chassis {
    fpc 0 {
        pic 0 {
            tunnel-services {
                bandwidth 100g;
            }
            port 1 {
                speed 100g;
            }
            port 5 {
                speed 100g;
            }
            port 7 {
                speed 100g;
            }
            port 63 {
                channel-speed 10g;
            }
        }
    }
}

interfaces {
    lt-0/0/0 {
        unit 0 {
            encapsulation ethernet-ccc;
            peer-unit 1;
        }
        unit 1 {
            encapsulation ethernet;
            peer-unit 0;
        }
    }


protocols {
l2circuit {
    neighbor x.x.x.105 {
        interface lt-0/0/0.0 {
            virtual-circuit-id 1002;
        }
    }
}