MPLS L3VPN CLI 설정

Router1

interface Loopback0
 ipv4 address 1.1.1.1 255.255.255.255
!
interface GigabitEthernet0/0/0/0
 vrf RED
 ipv4 address 10.1.14.1 255.255.255.0
!
interface GigabitEthernet0/0/0/1
 vrf BLUE
 ipv4 address 10.1.15.1 255.255.255.0
!
interface GigabitEthernet0/0/0/2
 ipv4 address 10.1.13.1 255.255.255.0
!

!
router ospf 1
 network point-to-point
 area 0
  interface Loopback0
  !
  interface GigabitEthernet0/0/0/2
  !
!

!
mpls ldp
 interface GigabitEthernet0/0/0/2
!

!
vrf RED
 address-family ipv4 unicast
  import route-target
   1:1
  !
  export route-target
   1:1
  !
!
vrf BLUE
 address-family ipv4 unicast
  import route-target
   2:2
  !
  export route-target
   2:2
  !
!

! VRF에 대한 스태틱 라우트 설정
router static
 vrf RED
  address-family ipv4 unicast
   4.4.4.4/32 10.1.14.4
  !
 !
 vrf BLUE
  address-family ipv4 unicast
   5.5.5.5/32 10.1.15.5
  !
!
! BGP 설정
router bgp 100
 bgp router-id 1.1.1.1
 !
 address-family vpnv4 unicast
 !
 session-group IBGP
  remote-as 100
  update-source Loopback0
 !
 neighbor-group IGBP
  use session-group IBGP
  address-family vpnv4 unicast
   next-hop-self
   soft-reconfiguration inbound always
  !
 !
 neighbor 2.2.2.2
  use neighbor-group IGBP
 !
 vrf RED
  rd 1:1
  address-family ipv4 unicast
   redistribute connected
   redistribute static
  !
 !
 vrf BLUE
  rd 2:2
  address-family ipv4 unicast
   redistribute connected
   redistribute static
  !
!

Router2

interface Loopback0
 ipv4 address 2.2.2.2 255.255.255.255
!
interface GigabitEthernet0/0/0/0
 ipv4 address 10.1.13.2 255.255.255.0
!
interface GigabitEthernet0/0/0/1
 vrf RED
 ipv4 address 10.1.26.2 255.255.255.0
!
interface GigabitEthernet0/0/0/2
 vrf BLUE
 ipv4 address 10.1.27.2 255.255.255.0
!

!
router ospf 1
 network point-to-point
 area 0
  interface Loopback0
  !
  interface GigabitEthernet0/0/0/0
  !
!

!
mpls ldp
 interface GigabitEthernet0/0/0/0
!

!
vrf RED
 address-family ipv4 unicast
  import route-target
   1:1
  !
  export route-target
   1:1
  !
!
vrf BLUE
 address-family ipv4 unicast
  import route-target
   2:2
  !
  export route-target
   2:2
  !
!

! VRF에 대한 스태틱 라우트 설정
router static
 vrf RED
  address-family ipv4 unicast
   6.6.6.6/32 10.1.26.6
  !
 !
 vrf BLUE
  address-family ipv4 unicast
   7.7.7.7/32 10.1.27.7
  !
!
! BGP 설정
router bgp 100
 bgp router-id 2.2.2.2
 address-family ipv4 unicast
 !
 address-family vpnv4 unicast
 !
 session-group IBGP
  remote-as 100
  update-source Loopback0
 !
 neighbor-group IGBP
  use session-group IBGP
  address-family vpnv4 unicast
  !
 !
 neighbor 1.1.1.1
  use neighbor-group IGBP
 !
 vrf RED
  rd 1:1
  address-family ipv4 unicast
   redistribute connected
   redistribute static
  !
 !
 vrf BLUE
  rd 2:2
  address-family ipv4 unicast
   redistribute static
  !
!


설정확인

RP/0/RP0/CPU0:ios#show bgp vpnv4 unicast summary
Tue Jul 22 02:04:28.501 UTC
BGP router identifier 2.2.2.2, local AS number 100
BGP generic scan interval 60 secs
Non-stop routing is enabled
BGP table state: Active
Table ID: 0x0   RD version: 0
BGP main routing table version 7
BGP NSR Initial initsync version 5 (Reached)
BGP NSR/ISSU Sync-Group versions 0/0
BGP scan interval 60 secs

BGP is operating in STANDALONE mode.


Process       RcvTblVer   bRIB/RIB   LabelVer  ImportVer  SendTblVer  StandbyVer
Speaker               7          7          7          7           7           0

Neighbor        Spk    AS MsgRcvd MsgSent   TblVer  InQ OutQ  Up/Down  St/PfxRcd
1.1.1.1           0   100       5       5        7    0    0 00:02:08          0
RP/0/RP0/CPU0:ios#show ospf neighbor 
Tue Jul 22 02:03:34.818 UTC

* Indicates MADJ interface
# Indicates Neighbor awaiting BFD session up

Neighbors for OSPF 1

Neighbor ID     Pri   State           Dead Time   Address         Interface
1.1.1.1         1     FULL/  -        00:00:34    10.1.13.1       GigabitEthernet0/0/0/0
    Neighbor is up for 00:01:21

Total neighbor count: 1