L2VPN Overprovisioning
Many attachment circuits, one routing instance
Hub and spoke network
Defined in RFC6624
pre-provisioning more attachment circuits than a site needs at the moment
Label blocks can contain up to 32 labels in one advertisement
Interface config for Ethernet-VLAN pseudowire type
encapsulation extended-vlan-ccc
on physical interface family ccc
on logical interface
site my-customer-1 {
site-identifier 1;
interface ge-0/0/0.200 {
remote-site-id 2;
}
interface ge-0/0/0.300 {
remote-site-id 3;
}
}
Implicit vs Explicit Remote Site Configuration.
VPN label block allocated in advance.
When those sites come up, they know which label to use.