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Configuring Static, BGP, and OSPF Routes Between PE and CE Routers

This section shows how to configure the routes between the PE and CE routers by using a combination of static routes, BGP, and OSPF:

The connection between Router PE1 and Router CE1 uses static routing.
The connection between Router PE1 and Router CE2 uses BGP.
The connection between Router PE1 and Router CE3 uses OSPF.

Here, the configuration for VPN AB also includes a static route to CE1.

On Router PE1, configure a combination of static routing, BGP, and OSPF between the PE and CE routers:



[edit]
routing-instances {


VPN-A {
instance-type vrf;
interface fe-1/0/0.0;
route-distinguisher 10.255.14.175:3;
vrf-import vpna-import;
vrf-export vpna-export;


routing-options {


static {
rib-group vpna-vpnab;
route 10.255.14.155/32 next-hop 192.168.197.141;
}


}


}




VPN-AB {
instance-type vrf;
interface fe-1/1/0.0;
route-distinguisher 10.255.14.175:9;
vrf-import vpnab-import;
vrf-export vpnab-export;


protocols {


bgp {


group vpnab-site1 {


family inet {


unicast {
rib-group vpnab-vpna_and_vpnb;
}


}


export to-vpnab-site1;
peer-as 9;
neighbor 192.168.197.178;
}


}


}


}




VPN-B {
instance-type vrf;
interface fe-1/0/2.0;
route-distinguisher 10.255.14.175:10;
vrf-import vpnb-import;
vrf-export vpnb-export;


protocols {


ospf {
rib-group vpnb-vpnab;
export vpnb-import;


area 0.0.0.1 {
interface t3-0/3/3.0;
}


}


}


}


}
policy-options {


policy-statement to-vpnab-site1 {


term a {
from protocol static;
then accept;
}




term b {
from protocol bgp;
then accept;
}




term c {
then reject;
}


}


}

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