MPLS Core setup
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LDP and IGP in core
P routers
|
Enable LDP
mpls label protocol ldp
interface Fastethernet x/x (x/x = all interface) mpls ip
Enable core IGP
router ospf 1
network 0.0.0.0 255.255.255.255 area 0 |
PE routers
|
Enable LDP
mpls label protocol ldp
interface Fastethernet x/x (x/x = loopback + all int facing P, not facing CE) mpls ip
Enable core IGP
router ospf 1
network x.x.x.x 0.0.0.255 area 0 (x.x.x.x = interface facing P, not facing CE) |
·
VPNv4 between PEs
PE routers
|
Enable MP-BGP VPNv4
router bgp 100
no bgp default ipv4-unicast neighbor x.x.x.x remote-as 100 neighbor x.x.x.x update-source loopback1 address-family vpnv4 unicast neighbor x.x.x.x activate neighbor x.x.x.x send-community extended |
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VRF Configuration
PE routers
|
Create VRF
ip vrf AAA (only for ipv4)
“or” vrf definition AAA (for both ipv4+ipv6) rd 100:1 route-target export 100:1 route-target import 100:1
Assign interface to VRF
Interface Fa x/x (interface facing CE)
ip vrf forwarding AAA ip address … |
