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Example: Configuring MBGP Multicast VPNs

This example provides a step-by-step procedure to configure multicast services across a multiprotocol BGP (MBGP) Layer 3 virtual private network.

Before You Begin

Depending on the devices you are using, you might be required to configure static routes to the:

Overview and Topology

This example configures the following technologies:

The topology of the network is shown in Figure 61.

Figure 61: Multicast Over Layer 3 VPN Example Topology

Image g016920.gif

Configuration

Note: In any configuration session it is a good practice to periodically verify that the configuration can be committed using the commit check command.

In this example, the router being configured is identified using the following command prompts:

To configure MBGP multicast VPNs for the network shown in Figure 61, perform the following steps:

Configuring Interfaces

Step-by-Step Procedure

  1. On each router, configure an IP address on the loopback logical interface 0 (lo0.0).
    user@ce1# set interfaces lo0 unit 0 family inet address 192.168.6.1/32 primary
    user@pe1# set interfaces lo0 unit 0 family inet address 192.168.7.1/32 primary
    user@p# set interfaces lo0 unit 0 family inet address 192.168.8.1/32 primary
    user@pe2# set interfaces lo0 unit 0 family inet address 192.168.9.1/32 primary
    user@ce2# set interfaces lo0 unit 0 family inet address 192.168.0.1/32 primary

    You can verify this step using the show interfaces terse command.

  2. On the PE routers, configure an IP address on the loopback logical interface 1 (lo0.1). The lo0.1 interface is used in the customer routing instance VPN.
    user@pe1# set interfaces lo0 unit 1 family inet address 10.10.47.101/32
    user@pe2# set interfaces lo0 unit 1 family inet address 10.10.47.100/32

    You can verify this step using the show interfaces terse command.

  3. On the PE and CE routers, configure the IP address and protocol family on the Fast Ethernet interfaces. Specify the inet family type.
    user@ce1# set interfaces fe-1/3/0 unit 0 family inet address 10.10.12.1/24
    user@ce1# set interfaces fe-0/1/0 unit 0 family inet address 10.0.67.13/30
    user@pe1# set interfaces fe-0/1/0 unit 0 family inet address 10.0.67.14/30
    user@pe2# set interfaces fe-0/1/0 unit 0 family inet address 10.0.90.13/30
    user@ce2# set interfaces fe-0/1/0 unit 0 family inet address 10.0.90.14/30
    user@ce2# set interfaces fe-1/3/0 unit 0 family inet address 10.10.11.1/24

    You can verify this step using the show interfaces terse command.

  4. On the PE and P routers, configure the ATM interfaces' VPI and maximum VCs. If the default PIC type is different on directly connected ATM interfaces, configure the PIC type to be the same. Configure the logical interface VCI, protocol family, local IP address, and destination IP address.
    user@pe1# set interfaces at-0/2/0 atm-options pic-type atm1
    user@pe1# set interfaces at-0/2/0 atm-options vpi 0 maximum-vcs 256
    user@pe1# set interfaces at-0/2/0 unit 0 vci 0.128
    user@pe1# set interfaces at-0/2/0 unit 0 family inet address 10.0.78.5/32 destination 10.0.78.6
    user@p# set interfaces at-0/2/0 atm-options pic-type atm1
    user@p# set interfaces at-0/2/0 atm-options vpi 0 maximum-vcs 256
    user@p# set interfaces at-0/2/0 unit 0 vci 0.128
    user@p# set interfaces at-0/2/0 unit 0 family inet address 10.0.78.6/32 destination 10.0.78.5
    user@p# set interfaces at-0/2/1 atm-options pic-type atm1
    user@p# set interfaces at-0/2/1 atm-options vpi 0 maximum-vcs 256
    user@p# set interfaces at-0/2/1 unit 0 vci 0.128
    user@p# set interfaces at-0/2/1 unit 0 family inet address 10.0.89.5/32 destination 10.0.89.6
    user@pe2# set interfaces at-0/2/1 atm-options pic-type atm1
    user@pe2# set interfaces at-0/2/1 atm-options vpi 0 maximum-vcs 256
    user@pe2# set interfaces at-0/2/1 unit 0 vci 0.128
    user@pe2# set interfaces at-0/2/1 unit 0 family inet address 10.0.89.6/32 destination 10.0.89.5

    You can verify this step using the show configuration interfaces command.

Configuring OSPF

Step-by-Step Procedure

  1. On the P and PE routers, configure the provider instance of Open Shortest Path First (OSPF). Specify the lo0.0 and ATM core-facing logical interfaces. The provider instance of OSPF on the PE router forms adjacencies with the OSPF neighbors on the other PE router and the P router.
    user@pe1# set protocols ospf area 0.0.0.0 interface at-0/2/0.0
    user@pe1# set protocols ospf area 0.0.0.0 interface lo0.0
    user@p# set protocols ospf area 0.0.0.0 interface lo0.0
    user@p# set protocols ospf area 0.0.0.0 interface all
    user@p# set protocols ospf area 0.0.0.0 interface fxp0 disable
    user@pe2# set protocols ospf area 0.0.0.0 interface lo0.0
    user@pe2# set protocols ospf area 0.0.0.0 interface at-0/2/1.0

    You can verify this step using the show ospf interfaces command.

  2. On the CE routers, configure the customer instance of Open Shortest Path First (OSPF). Specify the loopback and Fast Ethernet logical interfaces . The customer instance of OSPF on the CE routers form adjacencies with the neighbors within the VPN routing instance of OSPF on the PE routers.
    user@ce1# set protocols ospf area 0.0.0.0 interface fe-0/1/0.0
    user@ce1# set protocols ospf area 0.0.0.0 interface fe-1/3/0.0
    user@ce1# set protocols ospf area 0.0.0.0 interface lo0.0
    user@ce2# set protocols ospf area 0.0.0.0 interface fe-0/1/0.0
    user@ce2# set protocols ospf area 0.0.0.0 interface fe-1/3/0.0
    user@ce2# set protocols ospf area 0.0.0.0 interface lo0.0

    You can verify this step using the show ospf interfaces command.

  3. On the P and PE routers, configure OSPF traffic engineering support for the provider instance of OSPF.

    The shortcuts statement enables the master instance of OSPF to use a label-switched path as the next hop.

    user@pe1# set protocols ospf traffic-engineering shortcuts
    user@p# set protocols ospf traffic-engineering shortcuts
    user@pe2# set protocols ospf traffic-engineering shortcuts

    You can verify this step using the show ospf overview and show configuration protocols ospf commands.

Configuring BGP

Step-by-Step Procedure

  1. On the P router, configure BGP for the VPN. The local address is the local lo0.0 address. The neighbor addresses are the PE routers' lo0.0 addresses.

    The unicast statement enables the router to use BGP to advertise network layer reachability information (NLRI). The signaling statement enables the router to use BGP as the signaling protocol for the VPN.

    user@p# set protocols bgp group group-mvpn type internal
    user@p# set protocols bgp group group-mvpn local-address 192.168.8.1
    user@p# set protocols bgp group group-mvpn family inet unicast
    user@p# set protocols bgp group group-mvpn family inet-mvpn signaling
    user@p# set protocols bgp group group-mvpn neighbor 192.168.9.1
    user@p# set protocols bgp group group-mvpn neighbor 192.168.7.1

    You can verify this step using the show configuration protocols bgp command.

  2. On the PE and P routers, configure the BGP local autonomous system number.
    user@pe1# set routing-options autonomous-system 0.65010
    user@p# set routing-options autonomous-system 0.65010
    user@pe2# set routing-options autonomous-system 0.65010

    You can verify this step using the show configuration routing-options command.

  3. On the PE routers, configure BGP for the VPN. Configure the local address as the local lo0.0 address. The neighbor addresses are the lo0.0 addresses of the P router and the other PE router.
    user@pe1# set protocols bgp group group-mvpn type internal
    user@pe1# set protocols bgp group group-mvpn local-address 192.168.7.1
    user@pe1# set protocols bgp group group-mvpn family inet-vpn unicast
    user@pe1# set protocols bgp group group-mvpn family inet-mvpn signaling
    user@pe1# set protocols bgp group group-mvpn neighbor 192.168.9.1
    user@pe1# set protocols bgp group group-mvpn neighbor 192.168.8.1
    user@pe2# set protocols bgp group group-mvpn type internal
    user@pe2# set protocols bgp group group-mvpn local-address 192.168.9.1
    user@pe2# set protocols bgp group group-mvpn family inet-vpn unicast
    user@pe2# set protocols bgp group group-mvpn family inet-mvpn signaling
    user@pe2# set protocols bgp group group-mvpn neighbor 192.168.7.1
    user@pe2# set protocols bgp group group-mvpn neighbor 192.168.8.1

    You can verify this step using the show bgp group command.

  4. On the PE routers, configure a policy to export the BGP routes into OSPF.
    user@pe1# set policy-options policy-statement bgp-to-ospf from protocol bgp
    user@pe1# set policy-options policy-statement bgp-to-ospf then accept
    user@pe2# set policy-options policy-statement bgp-to-ospf from protocol bgp
    user@pe2# set policy-options policy-statement bgp-to-ospf then accept

    You can verify this step using the show policy bgp-to-ospf command.

Configuring RSVP

Step-by-Step Procedure

  1. On the PE routers, enable RSVP on the interfaces that participate in the LSP. Configure the Fast Ethernet and ATM logical interfaces.
    user@pe1# set protocols rsvp interface fe-0/1/0.0
    user@pe1# set protocols rsvp interface at-0/2/0.0
    user@pe2# set protocols rsvp interface fe-0/1/0.0
    user@pe2# set protocols rsvp interface at-0/2/1.0
  2. On the P router, enable RSVP on the interfaces that participate in the LSP. Configure the ATM logical interfaces.
    user@p# set protocols rsvp interface at-0/2/0.0
    user@p# set protocols rsvp interface at-0/2/1.0

    You can verify these steps using the show configuration protocols rsvp command.

Configuring MPLS

Step-by-Step Procedure

  1. On the PE routers, configure an MPLS LSP to the PE router that is the LSP egress point. Specify the IP address of the lo0.0 interface on the router at the other end of the LSP. Configure MPLS on the ATM, Fast Ethernet, and lo0.0 interfaces.

    To help identify each LSP when troubleshooting, configure a different LSP name on each PE router. In this example we use the name to-pe2 as the name for the LSP configured on PE1 and to-pe1 as the name for the LSP configured on PE2.

    user@pe1# set protocols mpls label-switched-path to-pe2 to 192.168.9.1
    user@pe1# set protocols mpls interface fe-0/1/0.0
    user@pe1# set protocols mpls interface at-0/2/0.0
    user@pe1# set protocols mpls interface lo0.0
    user@pe2# set protocols mpls label-switched-path to-pe1 to 192.168.7.1
    user@pe2# set protocols mpls interface fe-0/1/0.0
    user@pe2# set protocols mpls interface at-0/2/1.0
    user@pe2# set protocols mpls interface lo0.0

    You can verify this step using the show configuration protocols mpls and show route label-switched-path to-pe1 commands.

    After the configuration is committed, you can verify that the LSP is operational using the show mpls lsp name to-pe1 and show mpls lsp name to-pe2 commands.

  2. On the P router, enable MPLS. Specify the ATM interfaces connected to the PE routers.
    user@p# set protocols mpls interface at-0/2/0.0
    user@p# set protocols mpls interface at-0/2/1.0

    You can verify this step using the show mpls interface command.

  3. On the PE and P routers, configure the protocol family on the ATM interfaces associated with the LSP. Specify the mpls family type.
    user@pe1# set interfaces at-0/2/0 unit 0 family mpls
    user@p# set interfaces at-0/2/0 unit 0 family mpls
    user@p# set interfaces at-0/2/1 unit 0 family mpls
    user@pe2# set interfaces at-0/2/1 unit 0 family mpls

    You can verify this step using the show mpls interface command.

Configuring the VRF Routing Instance

Step-by-Step Procedure

  1. On the PE routers, configure a routing instance for the VPN and specify the vrf instance type. Add the Fast Ethernet and lo0.1 customer-facing interfaces. Configure the VPN instance of OSPF and include the BGP-to-OSPF export policy.
    user@pe1# set routing-instances vpn-a instance-type vrf
    user@pe1# set routing-instances vpn-a interface lo0.1
    user@pe1# set routing-instances vpn-a interface fe-0/1/0.0
    user@pe1# set routing-instances vpn-a protocols ospf export bgp-to-ospf
    user@pe1# set routing-instances vpn-a protocols ospf area 0.0.0.0 interface all
    user@pe2# set routing-instances vpn-a instance-type vrf
    user@pe2# set routing-instances vpn-a interface lo0.1
    user@pe2# set routing-instances vpn-a interface fe-0/1/0.0
    user@pe2# set routing-instances vpn-a protocols ospf export bgp-to-ospf
    user@pe2# set routing-instances vpn-a protocols ospf area 0.0.0.0 interface all

    You can verify this step using the show configuration routing-instances vpn-a command.

  2. On the PE routers, configure a route distinguisher for the routing instance. To help identify each route when troubleshooting, configure a different route distinguisher on each PE router. This example uses 65010:1 on PE1 and 65010:2 on PE2.
    user@pe1# set routing-instances vpn-a route-distinguisher 65010:1
    user@pe2# set routing-instances vpn-a route-distinguisher 65010:2

    You can verify this step using the show configuration routing-instances vpn-a command.

  3. On the PE routers, configure default VRF import and export policies. Based on this configuration, BGP automatically generates local routes corresponding to the route target referenced in the VRF import policies. This example uses 2:1 as the route target.

    Note: You must configure the same route target on each PE router for a given VPN routing instance.

    user@pe1# set routing-instances vpn-a vrf-target target:2:1
    user@pe2# set routing-instances vpn-a vrf-target target:2:1

    You can verify this step using the show configuration routing-instances vpn-a command.

  4. On the PE routers, configure the VPN routing instance for multicast support.
    user@pe1# set routing-instances vpn-a protocols mvpn
    user@pe2# set routing-instances vpn-a protocols mvpn

    You can verify this step using the show configuration routing-instance vpn-a command.

Configuring PIM

Step-by-Step Procedure

  1. On the PE and P routers, enable the provider instance of PIM. Add the core-facing ATM interfaces. On the PE routers, also configure the lo0.0 interface. Specify the mode as sparse and the version as 2.
    user@pe1# set protocols pim interface at-0/2/0.0 mode sparse
    user@pe1# set protocols pim interface at-0/2/0.0 version 2
    user@pe1# set protocols pim interface lo0.0 mode sparse
    user@pe1# set protocols pim interface lo0.0 version 2
    user@p# set protocols pim interface at-0/2/0.0 mode sparse
    user@p# set protocols pim interface at-0/2/0.0 version 2
    user@p# set protocols pim interface at-0/2/1.0 mode sparse
    user@p# set protocols pim interface at-0/2/1.0 version 2
    user@pe2# set protocols pim interface at-0/2/1.0 mode sparse
    user@pe2# set protocols pim interface at-0/2/1.0 version 2
    user@pe2# set protocols pim interface lo0.0 mode sparse
    user@pe2# set protocols pim interface lo0.0 version 2

    You can verify this step using the show pim interfaces command.

  2. On the PE routers, enable the VPN customer instance of PIM. Configure the lo0.1 and the customer-facing Fast Ethernet interface. Specify the mode as sparse and the version as 2.
    user@pe1# set routing-instances vpn-a protocols pim interface lo0.1 mode sparse
    user@pe1# set routing-instances vpn-a protocols pim interface lo0.1 version 2
    user@pe1# set routing-instances vpn-a protocols pim interface fe-0/1/0.0 mode sparse
    user@pe1# set routing-instances vpn-a protocols pim interface fe-0/1/0.0 version 2
    user@pe2# set routing-instances vpn-a protocols pim interface lo0.1 mode sparse
    user@pe2# set routing-instances vpn-a protocols pim interface lo0.1 version 2
    user@pe2# set routing-instances vpn-a protocols pim interface fe-0/1/0.0 mode sparse
    user@pe2# set routing-instances vpn-a protocols pim interface fe-0/1/0.0 version 2

    You can verify this step using the show pim interfaces instance vpn-a command.

  3. On the CE routers, enable the customer instance of PIM. In this example we configure all interfaces. Specify the mode as sparse and the version as 2.
    user@ce1# set protocols pim interface all
    user@ce2# set protocols pim interface all mode sparse
    user@ce2# set protocols pim interface all version 2

    You can verify this step using the show pim interfaces command.

Configuring the Provider Tunnel

Step-by-Step Procedure

  1. On the PE1 router, configure the provider tunnel. Specify the multicast address to be used.

    The provider-tunnel statement instructs the router to send multicast traffic across a tunnel. The pim-asm statement instructs the router to accept the multicast stream from any source.

    user@pe1# set routing-instances vpn-a provider-tunnel pim-asm group-address 224.1.1.1

    You can verify this step using the show configuration routing-instance vpn-a command.

  2. On the PE2 router, configure the provider tunnel. Specify the multicast address to be used.
    user@pe2# set routing-instances vpn-a provider-tunnel pim-asm group-address 224.1.1.1

    You can verify this step using the show configuration routing-instance vpn-a command.

Configuring the Rendezvous Point

Step-by-Step Procedure

  1. Configure the PE1 router to be the rendezvous point for the provider instance of PIM. Specify the lo0.0 address of the PE1 router.
    user@pe1# set protocols pim rp local address 192.168.7.1

    You can verify this step using the show pim rps command.

  2. Configure the static rendezvous point on the P router and PE2 router for the provider instance of PIM. Specify the lo0.0 address of the PE1 router. Specify the version as 2.
    user@p# set protocols pim rp static address 192.168.7.1 version 2
    user@pe2# set protocols pim rp static address 192.168.7.1 version 2

    You can verify this step using the show pim rps command.

  3. Configure the PE1 router to be the rendezvous point for the customer instance of PIM. Specify the lo0.1 address of the PE1 router. Specify the multicast address to be used.
    user@pe1# set routing-instances vpn-a protocols pim rp local address 10.10.47.101
    user@pe1# set routing-instances vpn-a protocols pim rp local group-ranges 224.1.1.1/32

    You can verify this step using the show pim rps instance vpn-a command.

  4. On the PE2 router, configure the static rendezvous point for the customer instance of PIM. Specify the lo0.1 address of the PE1 router.
    user@pe2# set routing-instances vpn-a protocols pim rp static address 10.10.47.101

    You can verify this step using the show pim rps instance vpn-a command.

  5. On the CE routers, configure the static rendezvous point for the customer instance of PIM. Specify the lo0.1 address of the PE1 router.
    user@ce1# set protocols pim rp static address 10.10.47.101 version 2
    user@ce2# set protocols pim rp static address 10.10.47.101 version 2

    You can verify this step using the show pim rps command.

  6. Use the commit check command to verify that the configuration can be successfully committed. If the configuration passes the check, commit the configuration.
  7. Start the multicast sender device connected to CE1.
  8. Start the multicast receiver device connected to CE2.
  9. Verify that the receiver is receiving the multicast stream.
  10. Use show commands to verify the routing, VPN, and multicast operation.

Results

The relevant sample configuration for the CE1 router follows.

Router CE1

interfaces {
lo0 {
unit 0 {
family inet {
address 192.168.6.1/32 {
primary;
}
}
}
}
fe-0/1/0 {
unit 0 {
family inet {
address 10.0.67.13/30;
}
}
}
fe-1/3/0 {
unit 0 {
family inet {
address 10.10.12.1/24;
}
}
}
}
protocols {
ospf {
area 0.0.0.0 {
interface fe-0/1/0.0;
interface lo0.0;
interface fe-1/3/0.0;
}
}
pim {
rp {
static {
address 10.10.47.101 {
version 2;
}
}
}
interface all;
}
}

The relevant sample configuration for the PE1 router follows.

Router PE1

interfaces {
lo0 {
unit 0 {
family inet {
address 192.168.7.1/32 {
primary;
}
}
}
}
fe-0/1/0 {
unit 0 {
family inet {
address 10.0.67.14/30;
}
}
}
at-0/2/0 {
atm-options {
pic-type atm1;
vpi 0 {
maximum-vcs 256;
}
}
unit 0 {
vci 0.128;
family inet {
address 10.0.78.5/32 {
destination 10.0.78.6;
}
}
family mpls;
}
}
lo0 {
unit 1 {
family inet {
address 10.10.47.101/32;
}
}
}
}
routing-options {
autonomous-system 0.65010;
}
protocols {
rsvp {
interface fe-0/1/0.0;
interface at-0/2/0.0;
}
mpls {
label-switched-path to-pe2 {
to 192.168.9.1;
}
interface fe-0/1/0.0;
interface at-0/2/0.0;
interface lo0.0;
}
bgp {
group group-mvpn {
type internal;
local-address 192.168.7.1;
family inet-vpn {
unicast;
}
family inet-mvpn {
signaling;
}
neighbor 192.168.9.1;
neighbor 192.168.8.1;
}
}
ospf {
traffic-engineering {
shortcuts;
}
area 0.0.0.0 {
interface at-0/2/0.0;
interface lo0.0;
}
}
pim {
rp {
local {
address 192.168.7.1;
}
}
interface at-0/2/0.0 {
mode sparse;
version 2;
}
interface lo0.0 {
mode sparse;
version 2;
}
}
}
policy-options {
policy-statement bgp-to-ospf {
from protocol bgp;
then accept;
}
}
routing-instances {
vpn-a {
instance-type vrf;
interface lo0.1;
interface fe-0/1/0.0;
route-distinguisher 65010:1;
provider-tunnel {
pim-asm {
group-address 224.1.1.1;
}
}
vrf-target target:2:1;
protocols {
ospf {
export bgp-to-ospf;
area 0.0.0.0 {
interface all;
}
}
pim {
rp {
local {
address 10.10.47.101;
group-ranges {
224.1.1.1/32;
}
}
}
interface lo0.1 {
mode sparse;
version 2;
}
interface fe-0/1/0.0 {
mode sparse;
version 2;
}
}
mvpn;
}
}
}

The relevant sample configuration for the P router follows.

Router P

interfaces {
lo0 {
unit 0 {
family inet {
address 192.168.8.1/32 {
primary;
}
}
}
}
at-0/2/0 {
atm-options {
pic-type atm1;
vpi 0 {
maximum-vcs 256;
}
}
unit 0 {
vci 0.128;
family inet {
address 10.0.78.6/32 {
destination 10.0.78.5;
}
}
family mpls;
}
}
at-0/2/1 {
atm-options {
pic-type atm1;
vpi 0 {
maximum-vcs 256;
}
}
unit 0 {
vci 0.128;
family inet {
address 10.0.89.5/32 {
destination 10.0.89.6;
}
}
family mpls;
}
}
}
routing-options {
autonomous-system 0.65010;
}
protocols {
rsvp {
interface at-0/2/0.0;
interface at-0/2/1.0;
}
mpls {
interface at-0/2/0.0;
interface at-0/2/1.0;
}
bgp {
group group-mvpn {
type internal;
local-address 192.168.8.1;
family inet {
unicast;
}
family inet-mvpn {
signaling;
}
neighbor 192.168.9.1;
neighbor 192.168.7.1;
}
}
ospf {
traffic-engineering {
shortcuts;
}
area 0.0.0.0 {
interface lo0.0;
interface all;
interface fxp0.0 {
disable;
}
}
}
pim {
rp {
static {
address 192.168.7.1 {
version 2;
}
}
}
interface at-0/2/0.0 {
mode sparse;
version 2;
}
interface at-0/2/1.0 {
mode sparse;
version 2;
}
}
}

The relevant sample configuration for the PE2 router follows.

Router PE2

interfaces {
lo0 {
unit 0 {
family inet {
address 192.168.9.1/32 {
primary;
}
}
}
}
fe-0/1/0 {
unit 0 {
family inet {
address 10.0.90.13/30;
}
}
}
at-0/2/1 {
atm-options {
pic-type atm1;
vpi 0 {
maximum-vcs 256;
}
}
unit 0 {
vci 0.128;
family inet {
address 10.0.89.6/32 {
destination 10.0.89.5;
}
}
family mpls;
}
}
lo0 {
unit 1 {
family inet {
address 10.10.47.100/32;
}
}
}
}
routing-options {
autonomous-system 0.65010;
}
protocols {
rsvp {
interface fe-0/1/0.0;
interface at-0/2/1.0;
}
mpls {
label-switched-path to-pe1 {
to 192.168.7.1;
}
interface lo0.0;
interface fe-0/1/0.0;
interface at-0/2/1.0;
}
bgp {
group group-mvpn {
type internal;
local-address 192.168.9.1;
family inet-vpn {
unicast;
}
family inet-mvpn {
signaling;
}
neighbor 192.168.7.1;
neighbor 192.168.8.1;
}
}
ospf {
traffic-engineering {
shortcuts;
}
area 0.0.0.0 {
interface lo0.0;
interface at-0/2/1.0;
}
}
pim {
rp {
static {
address 192.168.7.1 {
version 2;
}
}
}
interface lo0.0 {
mode sparse;
version 2;
}
interface at-0/2/1.0 {
mode sparse;
version 2;
}
}
}
policy-options {
policy-statement bgp-to-ospf {
from protocol bgp;
then accept;
}
}
routing-instances {
vpn-a {
instance-type vrf;
interface fe-0/1/0.0;
interface lo0.1;
route-distinguisher 65010:2;
provider-tunnel {
pim-asm {
group-address 224.1.1.1;
}
}
vrf-target target:2:1;
protocols {
ospf {
export bgp-to-ospf;
area 0.0.0.0 {
interface all;
}
}
pim {
rp {
static {
address 10.10.47.101;
}
}
interface fe-0/1/0.0 {
mode sparse;
version 2;
}
interface lo0.1 {
mode sparse;
version 2;
}
}
mvpn;
}
}
}

The relevant sample configuration for the CE2 router follows.

Router CE2

interfaces {
lo0 {
unit 0 {
family inet {
address 192.168.0.1/32 {
primary;
}
}
}
}
fe-0/1/0 {
unit 0 {
family inet {
address 10.0.90.14/30;
}
}
}
fe-1/3/0 {
unit 0 {
family inet {
address 10.10.11.1/24;
}
family inet6 {
address fe80::205:85ff:fe88:ccdb/64;
}
}
}
}
protocols {
ospf {
area 0.0.0.0 {
interface fe-0/1/0.0;
interface lo0.0;
interface fe-1/3/0.0;
}
}
pim {
rp {
static {
address 10.10.47.101 {
version 2;
}
}
}
interface all {
mode sparse;
version 2;
}
}
}
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