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Example: Configuring CCC over Aggregated Ethernet

See the topology in Figure 12. In this topology, CE Routers A and C have aggregated Ethernet connections to PE Router B. With CCC, you specify that the circuit from Router A is connected to the circuit from Router C. Router B functions as a cross-connect switch between the two circuits. For a back-to-back connection, all VLAN IDs must be the same on Router A through Router C. You configure Router A and Router C as standard aggregated Ethernet interfaces. For more information about aggregated Ethernet, see Configuring Aggregated Ethernet Interfaces.

Figure 12: Interface-to-Interface Circuit Cross-Connect over Aggregated Ethernet Interfaces

Image g017014.gif

On Router A



[edit interfaces]
ae0 {
vlan-tagging;


aggregated-ether-options {
minimum-links 1;
link-speed 1g;
}




unit 0 {
vlan-id 600;


family inet {
address 192.168.1.1/30;
}


}


}

On Router B



[edit interfaces]
ae0 {
encapsulation vlan-ccc;
vlan-tagging;


aggregated-ether-options {
minimum-links 1;
link-speed 1g;
}


unit 0 { # CCC switch
encapsulation vlan-ccc;
vlan-id 600;
family ccc;
}
ae1 {
encapsulation vlan-ccc;
vlan-tagging;


aggregated-ether-options {
minimum-links 1;
link-speed 100m;
}




unit 0 {
encapsulation vlan-ccc;
vlan-id 600;
family ccc;
}


}
[edit protocols]
mpls {
interface all;
}
connections {


interface-switch layer2-cross-connect {
interface ae0.0;
interface ae1.0;
}


}

On Router C



[edit interfaces]
ae1 {
vlan-tagging;


aggregated-ether-options {
minimum-links 1;
link-speed 1g;
}




unit 0 {
vlan-id 600;


family inet {
address 192.168.1.2/30;
}


}


}

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