280
Item Network
requirements
MPLS
respective Loopback 1 interface and exchange all VPN routes between them.
•
Configure MPLS separately in AS 100 and AS 200.
IP multicast
routing
•
Enable IP multicast routing on the public network on PE 1, PE 2, PE 3 and PE 4.
•
Enable IP multicast routing in VPN instance a on PE 1 and PE 4.
•
Enable IP multicast routing in VPN instance b on PE 1 and PE 4.
•
Enable IP multicast routing on CE a1, CE a2, CE b1, and CE b2.
IGMP
•
Run IGMPv2 on VLAN-interface 30 of CE a2.
•
Run IGMPv2 on VLAN-interface 40 of CE b2.
PIM
•
Enable PIM-SM on all public network interfaces of PE 2 and PE 3.
•
Enable PIM-SM on all public and private network interfaces of PE 1 and PE 4.
•
Enable PIM-SM on all interfaces of CE a1, CE a2, CE b1, and CE b2.
•
Configure Loopback 2 of PE 2 and PE 3 as a C-BSR and a C-RP for their respective
AS (to work for all multicast groups).
•
Configure Loopback 0 of CE a1 as a C-BSR and a C-RP for VPN a (to work for all
multicast groups).
•
Configure Loopback 0 of CE b1 as a C-BSR and a C-RP for VPN b (to work for all
multicast groups).
MSDP
•
Establish an MSDP peering relationship between PE 2 and PE 3 on their respective
Loopback 1.
Figure 85 Network diagram
Device
Interface
IP address
Device
Interface
IP address
S 1
—
10.11.5.2/24
R 1
—
10.11.8.2/24
S 2
—
10.11.6.2/24
R 2
—
10.11.7.2/24
PE 1
Vlan-int2
10.10.1.1/24
PE 3
Vlan-int4
10.10.2.1/24
Loo
p2
Loo
p2
Loop1
Loop
1
