EVE-NG MPLS L3VPN basic networking

1 Topology

2 Configuration steps

2.1 Configure the interface IP and routing protocol on the MPLS node

PE1

interface LoopBack 0
 ip address 1.1.1.9 32 
 quit

interface GigabitEthernet4/0
 ip address 172.1.1.1 24
 quit

ospf 1
 area 1
  network 1.1.1.9 0.0.0.0
  network 172.1.1.0 0.0.0.255
  quit
 quit

P

interface LoopBack 0
 ip address 2.2.2.9 32 
 quit
 
interface GigabitEthernet4/0
 ip address 172.1.1.2 24
 quit
 
interface GigabitEthernet5/0
 ip address 172.2.1.1 24
 quit
 
ospf 1
 area 1
  network 2.2.2.9 0.0.0.0
  network 172.1.1.0 0.0.0.255
  network 172.2.1.0 0.0.0.255
  quit
 quit

PE2

interface LoopBack 0
 ip address 3.3.3.9 32 
 quit
 

interface GigabitEthernet4/0
 ip address 172.2.1.2 24
 quit

ospf 1
 area 1
  network 3.3.3.9 0.0.0.0
  network 172.2.1.0 0.0.0.255
  quit
 quit

View OSPF learning status

2.2 Configure MPLS LDP

PE1

mpls lsr-id 1.1.1.9
mpls label advertise non-null
mpls ldp
 quit
 
interface GigabitEthernet4/0
 mpls enable
 mpls ldp enable
 quit

P

mpls lsr-id 2.2.2.9
mpls label advertise non-null
mpls ldp
 quit
 
interface GigabitEthernet4/0
 mpls enable
 mpls ldp enable
 quit
 
interface GigabitEthernet5/0
 mpls enable 
 mpls ldp enable
 quit

PE2

mpls lsr-id 3.3.3.9
mpls label advertise non-null
mpls ldp
 quit
 
interface GigabitEthernet4/0
 mpls enable
 mpls ldp enable
 quit

View LDP LSP

2.3 Configure VPN instance on PE device

PE1

ip vpn-instance vpn1
 route-distinguisher 100:1
 vpn-target 111:1
 quit

interface GigabitEthernet1/0
 ip binding vpn-instance vpn1
 ip address 10.1.1.2 24
 quit


ip vpn-instance vpn2
 route-distinguisher 100:2
 vpn-target 222:2
 quit

interface GigabitEthernet2/0
 ip binding vpn-instance vpn2
 ip address 10.2.1.2 24
 quit

PE2

ip vpn-instance vpn1
 route-distinguisher 200:1
 vpn-target 111:1
 quit

interface GigabitEthernet1/0
 ip binding vpn-instance vpn1
 ip address 10.3.1.2 24
 quit


ip vpn-instance vpn2
 route-distinguisher 200:2
 vpn-target 222:2
 quit

interface GigabitEthernet2/0
 ip binding vpn-instance vpn2
 ip address 10.4.1.2 24
 quit

 View configuration

2.4 Establish EBGP peers between PE and CE and introduce VPN routes

PE1

bgp 100
 ip vpn-instance vpn1
  peer 10.1.1.1 as-number 65410
  address-family ipv4 unicast
   peer 10.1.1.1 enable
   quit
 quit
 ip vpn-instance vpn2
  peer 10.2.1.1 as-number 65420
  address-family ipv4 unicast
   peer 10.2.1.1 enable
   quit
  quit
quit

CE1

interface GigabitEthernet1/0
 ip address 10.1.1.1 24
 quit

bgp 65410
 peer 10.1.1.2 as-number 100
 address-family ipv4 unicast
  peer 10.1.1.2 enable
  import-route direct
  quit
 quit

CE2

interface GigabitEthernet1/0
 ip address 10.2.1.1 24
 quit

bgp 65420
 peer 10.2.1.2 as-number 100
 address-family ipv4 unicast
  peer 10.2.1.2 enable
  import-route direct
  quit
 quit

Check BGP status

PE2

bgp 100
 ip vpn-instance vpn1
  peer 10.3.1.1 as-number 65430
  address-family ipv4 unicast
   peer 10.3.1.1 enable
   quit
 quit
 ip vpn-instance vpn2
  peer 10.4.1.1 as-number 65440
  address-family ipv4 unicast
   peer 10.4.1.1 enable
   quit
  quit
quit

CE3

interface GigabitEthernet1/0
 ip address 10.3.1.1 24
 quit

bgp 65430
 peer 10.3.1.2 as-number 100
 address-family ipv4 unicast
  peer 10.3.1.2 enable
  import-route direct
  quit
 quit

CE4

interface GigabitEthernet1/0
 ip address 10.4.1.1 24
 quit

bgp 65440
 peer 10.4.1.2 as-number 100
 address-family ipv4 unicast
  peer 10.4.1.2 enable
  import-route direct
  quit
 quit

Check BGP status

 2.5 Establish MP-IBGP peers between PEs

PE1

bgp 100
 peer 3.3.3.9 as-number 100
 peer 3.3.3.9 connect-interface loopback 0
 address-family vpnv4
  peer 3.3.3.9 enable
  quit
 quit

PE2

bgp 100
 peer 1.1.1.9 as-number 100
 peer 1.1.1.9 connect-interface loopback 0
 address-family vpnv4
  peer 1.1.1.9 enable
  quit
 quit

Check BGP status

 View VPN1 routing table

 View VPN2 routing table

Another way to view VPN routes is to view the BGP router table

 View VPN labels

 2.6 Verification

CE1 ping CE3

CE2 ping CE4