Wednesday, 1 February 2017

Static Routing as PE-CE protocol - MPLS





PC1:-

PC1> ip 10.1.1.10 255.255.255.0 10.1.1.1
Checking for duplicate address...
PC1 : 10.1.1.10 255.255.255.0 gateway 10.1.1.1

R1:-

R1(config)#int fa0/0
R1(config-if)#ip add 10.1.1.1 255.255.255.0
R1(config-if)#no shut

R1(config-if)#int fa2/0
R1(config-if)#ip add 12.12.12.1 255.255.255.0
R1(config-if)#no shut

R1(config-if)#int lo0
R1(config-if)#ip add 1.1.1.1 255.255.255.255

R1(config)#ip route 0.0.0.0 0.0.0.0 12.12.12.2 

R2:-

R2(config)#ip vrf cust1
R2(config-vrf)#rd 100:1
R2(config-vrf)#route-target 200:1

R2(config-vrf)#int fa2/0
R2(config-if)#ip vrf for cust1
R2(config-if)#ip add 12.12.12.2 255.255.255.0
R2(config-if)#no shut

R2(config-if)#int fa0/0
R2(config-if)#ip add 23.23.23.2 255.255.255.0
R2(config-if)#mpls ip
R2(config-if)#no shut

R2(config-if)#int lo0
R2(config-if)#ip add 2.2.2.2 255.255.255.255

R2(config-if)#mpls ldp router lo0 force

R2(config)#router ospf 1
R2(config-router)#router-id 2.2.2.2
R2(config-router)#net 23.23.23.2 0.0.0.0 are
R2(config-router)#net 23.23.23.2 0.0.0.0 area 0
R2(config-router)#network 2.2.2.2 0.0.0.0 area 0

R2(config-if)#router bgp 1
R2(config-router)#neighbor 4.4.4.4 remote-as 1
R2(config-router)#neighbor 4.4.4.4 update-source lo0
R2(config-router)#address-family vpnv4
R2(config-router-af)#neighbor 4.4.4.4 activate
R2(config-router-af)#exit
R2(config-router)#address-family ipv4 vrf cust1
R2(config-router-af)# redistribute static
R2(config-router-af)#exit
R2(config-router)#exit

R2(config)#ip route vrf cust1 10.1.1.0 255.255.255.0 12.12.12.1 
R3:-

R3(config)#int lo0
R3(config-if)#ip add 3.3.3.3 255.255.255.255
R3(config-if)#exit

R3(config)#mpls ldp router lo0 force

R3(config)#int fa0/0
R3(config-if)#ip add 23.23.23.3 255.255.255.0
R3(config-if)#mpls ip
R3(config-if)#no shut

R3(config-if)#int fa1/0
R3(config-if)#ip add 34.34.34.3 255.255.255.0
R3(config-if)#mpls ip
R3(config-if)#no shut

R3(config-if)#router ospf 1
R3(config-router)#router-id 3.3.3.3
R3(config-router)#net 23.23.23.3 0.0.0.0 area 0
R3(config-router)#net 34.34.34.3 0.0.0.0 are 0
R3(config-router)#net 3.3.3.3 0.0.0.0 area 0
R3(config-router)#exit

R4:-

R4(config)#int lo0
R4(config-if)#ip add 4.4.4.4 255.255.255.255

R4(config-if)#int fa1/0
R4(config-if)#ip add 34.34.34.4 255.255.255.0
R4(config-if)#mpls ip
R4(config-if)#no shut
R4(config-if)#exit

R4(config)#mpls ldp router lo0 force

R4(config)#ip vrf cust1
R4(config-vrf)#rd 1:1
R4(config-vrf)#route-target 200:1
R4(config-vrf)#exit

R4(config)#int fa2/0
R4(config-if)#ip vrf for cust1
R4(config-if)#ip add 45.45.45.4 255.255.255.0
R4(config-if)#no shut

R4(config-if)#router ospf 1
R4(config-router)#router-id 4.4.4.4
R4(config-router)#net 34.34.34.4 0.0.0.0 area 0
R4(config-router)#network 4.4.4.4 0.0.0.0 area 0

R4(config)#router bgp 1
R4(config-router)#neighbor 2.2.2.2 remote-as 1
R4(config-router)#neighbor 2.2.2.2 update-source lo0
R4(config-router)#address-family vpnv4
R4(config-router-af)#neighbor 2.2.2.2 activate
R4(config-router-af)#addres ipv4 vrf cust1
R4(config-router-af)#redistribute static
R4(config-router-af)#exit
R4(config-router)#exit
R4(config)#ip route vrf cust1 20.1.1.0 255.255.255.0 45.45.45.5 
R5:-


R5(config)#int lo0
R5(config-if)#ip add 5.5.5.5 255.255.255.255

R5(config-if)#int fa2/0
R5(config-if)#ip add 45.45.45.5 255.255.255.0
R5(config-if)#no shut

R5(config)#int fa0/0
R5(config-if)#ip add 20.1.1.1 255.255.255.0
R5(config-if)#no shut

R5(config)#ip route 0.0.0.0 0.0.0.0 45.45.45.4

Verification:-

PC1:-

PC1> ping 20.1.1.10
84 bytes from 20.1.1.10 icmp_seq=1 ttl=59 time=368.619 ms
84 bytes from 20.1.1.10 icmp_seq=2 ttl=59 time=347.316 ms
84 bytes from 20.1.1.10 icmp_seq=3 ttl=59 time=368.788 ms
84 bytes from 20.1.1.10 icmp_seq=4 ttl=59 time=416.798 ms
84 bytes from 20.1.1.10 icmp_seq=5 ttl=59 time=379.615 ms

PC1> trace 20.1.1.10
trace to 20.1.1.10, 8 hops max, press Ctrl+C to stop
 1   10.1.1.1   98.128 ms  32.396 ms  38.933 ms
 2   12.12.12.2   193.647 ms  120.998 ms  111.703 ms
 3   23.23.23.3   309.530 ms  294.889 ms  276.499 ms
 4   45.45.45.4   289.342 ms  309.988 ms  292.062 ms
 5   45.45.45.5   329.599 ms  272.541 ms  341.644 ms
 6   *20.1.1.10   345.620 ms (ICMP type:3, code:3, Destination port unreachable)

R1:-

R1#sh ip route
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route, H - NHRP
       + - replicated route, % - next hop override

Gateway of last resort is 12.12.12.2 to network 0.0.0.0

S*    0.0.0.0/0 [1/0] via 12.12.12.2
      1.0.0.0/32 is subnetted, 1 subnets
C        1.1.1.1 is directly connected, Loopback0
      10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C        10.1.1.0/24 is directly connected, FastEthernet0/0
L        10.1.1.1/32 is directly connected, FastEthernet0/0
      12.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C        12.12.12.0/24 is directly connected, FastEthernet2/0
L        12.12.12.1/32 is directly connected, FastEthernet2/0

R2:-

 R2#show ip bgp vpnv4 all summary
BGP router identifier 2.2.2.2, local AS number 1
BGP table version is 40, main routing table version 40
3 network entries using 456 bytes of memory
3 path entries using 156 bytes of memory
2/2 BGP path/bestpath attribute entries using 264 bytes of memory
1 BGP extended community entries using 24 bytes of memory
0 BGP route-map cache entries using 0 bytes of memory
0 BGP filter-list cache entries using 0 bytes of memory
BGP using 900 total bytes of memory
BGP activity 15/12 prefixes, 21/18 paths, scan interval 60 secs

Neighbor        V           AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd
4.4.4.4         4            1     358     351       40    0    0 05:08:52        1

R2#show ip bgp vpnv4 all
BGP table version is 40, local router ID is 2.2.2.2
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
              r RIB-failure, S Stale, m multipath, b backup-path, x best-external
Origin codes: i - IGP, e - EGP, ? - incomplete

   Network          Next Hop            Metric LocPrf Weight Path
Route Distinguisher: 1:1
*>i20.1.1.0/24      4.4.4.4                  0    100      0 ?
Route Distinguisher: 100:1 (default for vrf cust1)
*> 10.1.1.0/24      12.12.12.1               0         32768 ?
*>i20.1.1.0/24      4.4.4.4                  0    100      0 ?

R2#show ip bgp vpnv4 all 20.1.1.0/24
BGP routing table entry for 1:1:20.1.1.0/24, version 39
Paths: (1 available, best #1, no table)
  Not advertised to any peer
  Local
    4.4.4.4 (metric 3) from 4.4.4.4 (4.4.4.4)
      Origin incomplete, metric 0, localpref 100, valid, internal, best
      Extended Community: RT:200:1
      mpls labels in/out nolabel/17
BGP routing table entry for 100:1:20.1.1.0/24, version 40
Paths: (1 available, best #1, table cust1)
  Not advertised to any peer
  Local, imported path from 1:1:20.1.1.0/24
    4.4.4.4 (metric 3) from 4.4.4.4 (4.4.4.4)
      Origin incomplete, metric 0, localpref 100, valid, internal, best
      Extended Community: RT:200:1
      mpls labels in/out nolabel/17

R3:-

R3#sh ip ospf neighbor

Neighbor ID     Pri   State           Dead Time   Address         Interface
4.4.4.4           1   FULL/BDR        00:00:35    34.34.34.4      FastEthernet1/0
2.2.2.2           1   FULL/DR         00:00:31    23.23.23.2      FastEthernet0/0

R3#show mpls ldp neighbor    
Peer LDP Ident: 4.4.4.4:0; Local LDP Ident 3.3.3.3:0
        TCP connection: 4.4.4.4.21070 - 3.3.3.3.646
        State: Oper; Msgs sent/rcvd: 101/102; Downstream
        Up time: 01:22:35
        LDP discovery sources:
          FastEthernet1/0, Src IP addr: 34.34.34.4
        Addresses bound to peer LDP Ident:
          34.34.34.4      4.4.4.4
    Peer LDP Ident: 2.2.2.2:0; Local LDP Ident 3.3.3.3:0
        TCP connection: 2.2.2.2.646 - 3.3.3.3.30173
        State: Oper; Msgs sent/rcvd: 102/100; Downstream
        Up time: 01:22:35
        LDP discovery sources:
          FastEthernet0/0, Src IP addr: 23.23.23.2
        Addresses bound to peer LDP Ident:
          23.23.23.2      2.2.2.2


R3#show mpls ldp discovery
 Local LDP Identifier:
    3.3.3.3:0
    Discovery Sources:
    Interfaces:
        FastEthernet0/0 (ldp): xmit/recv
            LDP Id: 2.2.2.2:0
        FastEthernet1/0 (ldp): xmit/recv
            LDP Id: 4.4.4.4:0

R3#show mpls forwarding-table
Local      Outgoing   Prefix           Bytes Label   Outgoing   Next Hop
Label      Label      or Tunnel Id     Switched      interface
16         Pop Label  4.4.4.4/32       14366         Fa1/0      34.34.34.4
17         Pop Label  2.2.2.2/32       15433         Fa0/0      23.23.23.2

R4:-

R4#sh ip route vrf cust1

Routing Table: cust1
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route, H - NHRP
       + - replicated route, % - next hop override

Gateway of last resort is not set

      10.0.0.0/24 is subnetted, 1 subnets
B        10.1.1.0 [200/0] via 2.2.2.2, 00:36:14
      20.0.0.0/24 is subnetted, 1 subnets
S        20.1.1.0 [1/0] via 45.45.45.5
      45.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C        45.45.45.0/24 is directly connected, FastEthernet2/0
L        45.45.45.4/32 is directly connected, FastEthernet2/0

R4#sh ip bgp vpnv4 all summary
BGP router identifier 4.4.4.4, local AS number 1
BGP table version is 28, main routing table version 28
3 network entries using 456 bytes of memory
3 path entries using 156 bytes of memory
2/2 BGP path/bestpath attribute entries using 264 bytes of memory
1 BGP extended community entries using 24 bytes of memory
0 BGP route-map cache entries using 0 bytes of memory
0 BGP filter-list cache entries using 0 bytes of memory
BGP using 900 total bytes of memory
BGP activity 12/9 prefixes, 15/12 paths, scan interval 60 secs

Neighbor        V           AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd
2.2.2.2         4            1     365     372       28    0    0 05:21:31        1

R4#show ip bgp vpnv4 all
BGP table version is 28, local router ID is 4.4.4.4
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
              r RIB-failure, S Stale, m multipath, b backup-path, x best-external
Origin codes: i - IGP, e - EGP, ? - incomplete

   Network          Next Hop            Metric LocPrf Weight Path
Route Distinguisher: 1:1 (default for vrf cust1)
*>i10.1.1.0/24      2.2.2.2                  0    100      0 ?
*> 20.1.1.0/24      45.45.45.5               0         32768 ?
Route Distinguisher: 100:1
*>i10.1.1.0/24      2.2.2.2                  0    100      0 ?

R4#show ip bgp vpnv4 all  10.1.1.0/24
BGP routing table entry for 1:1:10.1.1.0/24, version 27
Paths: (1 available, best #1, table cust1)
  Not advertised to any peer
  Local, imported path from 100:1:10.1.1.0/24
    2.2.2.2 (metric 3) from 2.2.2.2 (2.2.2.2)
      Origin incomplete, metric 0, localpref 100, valid, internal, best
      Extended Community: RT:200:1
      mpls labels in/out nolabel/17
BGP routing table entry for 100:1:10.1.1.0/24, version 26
Paths: (1 available, best #1, no table)
  Not advertised to any peer
  Local
    2.2.2.2 (metric 3) from 2.2.2.2 (2.2.2.2)
      Origin incomplete, metric 0, localpref 100, valid, internal, best
      Extended Community: RT:200:1
      mpls labels in/out nolabel/17 
R5:-

R5#sh ip route
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route, H - NHRP
       + - replicated route, % - next hop override

Gateway of last resort is 45.45.45.4 to network 0.0.0.0

S*    0.0.0.0/0 [1/0] via 45.45.45.4
      5.0.0.0/32 is subnetted, 1 subnets
C        5.5.5.5 is directly connected, Loopback0
      20.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C        20.1.1.0/24 is directly connected, FastEthernet0/0
L        20.1.1.1/32 is directly connected, FastEthernet0/0
      45.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C        45.45.45.0/24 is directly connected, FastEthernet2/0

L        45.45.45.5/32 is directly connected, FastEthernet2/0

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