Wednesday, October 31, 2012

Labs: MPLS using EIGRP between PE-CE















Labs Summary :

  1. MPLS backbone using IS-IS as IGP
  2. PE-CE using EIGRP routing protocol
  3. MP-iBGP runs on PE1 and PE2 and using ASN 65000




Config CE1:

!
hostname CE1
!
interface Loopback0
 ip address 10.1.2.2 255.255.255.255
!
interface FastEthernet0/0
 description To PC1
 ip address 192.168.0.1 255.255.255.0
 duplex auto
 speed auto
!
interface FastEthernet0/1
 description To PE1
 ip address 172.16.1.2 255.255.255.252
 duplex auto
 speed auto
!
router eigrp 100
 network 10.1.2.2 0.0.0.0
 network 172.16.1.0 0.0.0.3
 network 192.168.0.0
 no auto-summary
!

Config PE1:

!
hostname PE1
!
ip vrf Client_A
 rd 65000:1
 route-target export 65000:1
 route-target import 65000:1
!
mpls ldp router-id Loopback0
!
interface Loopback0
 ip address 10.1.1.1 255.255.255.255
 ip router isis
!
interface Loopback1
 ip address 10.1.2.1 255.255.255.255
 ip router isis
!
interface FastEthernet0/0
 description To CE1
 ip vrf forwarding Client_A
 ip address 172.16.1.1 255.255.255.252
 duplex auto
 speed auto
!
interface FastEthernet0/1
 ip address 172.16.2.1 255.255.255.252
 ip router isis
 duplex auto
 speed auto
 mpls ip
!
router eigrp 65000
 auto-summary
 !
 address-family ipv4 vrf Client_A
 redistribute bgp 65000 metric 1000 100 255 1 1500
 network 172.16.1.0 0.0.0.3
 no auto-summary
 autonomous-system 100
 exit-address-family
!
router isis
 net 00.0001.ca02.06a4.0006.00
!
router bgp 65000
 no synchronization
 bgp log-neighbor-changes
 neighbor 10.1.1.3 remote-as 65000
 neighbor 10.1.1.3 update-source Loopback0
 no auto-summary
 !
 address-family vpnv4
 neighbor 10.1.1.3 activate
 neighbor 10.1.1.3 send-community extended
 exit-address-family
 !
 address-family ipv4 vrf Client_A
 redistribute eigrp 100
 no auto-summary
 no synchronization
 exit-address-family
!

Config P:

!
hostname P
!
interface Loopback0
 ip address 10.1.1.2 255.255.255.255
 ip router isis
!
interface FastEthernet0/0
 description To PE1
 ip address 172.16.2.2 255.255.255.252
 ip router isis
 duplex auto
 speed auto
 mpls ip
!
interface FastEthernet0/1
 description To PE2
 ip address 172.16.3.2 255.255.255.252
 ip router isis
 duplex auto
 speed auto
 mpls ip
!
router isis
 net 00.0001.ca03.06a4.0008.00
!

Config PE2:

!
hostname PE2
!
ip vrf Client_A
 rd 65000:1
 route-target export 65000:1
 route-target import 65000:1
!
mpls ldp router-id Loopback0


!
interface Loopback0
 ip address 10.1.1.3 255.255.255.255
 ip router isis
!
interface Loopback1
 ip address 10.1.2.3 255.255.255.255
 ip router isis
!
interface FastEthernet0/0
 description To P
 ip address 172.16.3.1 255.255.255.252
 ip router isis
 duplex auto
 speed auto
 mpls ip
!
interface FastEthernet0/1
 description To CE2
 ip vrf forwarding Client_A
 ip address 172.16.4.1 255.255.255.252
 duplex auto
 speed auto
!
router eigrp 65000
 auto-summary
 !
 address-family ipv4 vrf Client_A
 redistribute bgp 65000 metric 1000 100 255 1 1500
 network 172.16.4.0 0.0.0.3
 no auto-summary
 autonomous-system 100
 exit-address-family
!
router isis
 net 00.0001.ca04.06a4.0008.00
!
router bgp 65000
 no synchronization
 bgp log-neighbor-changes
 neighbor 10.1.1.1 remote-as 65000
 neighbor 10.1.1.1 update-source Loopback0
 no auto-summary
 !
 address-family vpnv4
 neighbor 10.1.1.1 activate
 neighbor 10.1.1.1 send-community extended
 exit-address-family
 !
 address-family ipv4 vrf Client_A
 redistribute eigrp 100
 no auto-summary
 no synchronization
 exit-address-family
!

Config CE2:

!
hostname CE2

!
interface Loopback0
 ip address 10.1.2.4 255.255.255.255
!
interface FastEthernet0/0
 description To PE2
 ip address 172.16.4.2 255.255.255.252
 duplex auto
 speed auto
!
interface FastEthernet0/1
 description To PC2
 ip address 192.168.4.1 255.255.255.0
 duplex auto
 speed auto
!
router eigrp 100
 redistribute connected
 network 172.16.4.0 0.0.0.3
 auto-summary
!

Verify IGP between PE and P router:

Router PE1:

PE1#show clns is-neighbors
System Id      Interface   State  Type Priority  Circuit Id         Format
P              Fa0/1       Up     L1L2 64/64     P.02               Phase V

PE1#show isis neighbors
System Id      Type Interface IP Address      State Holdtime Circuit Id
P              L1   Fa0/1     172.16.2.2      UP    7        P.02
P              L2   Fa0/1     172.16.2.2      UP    8        P.02

PE1#show ip route isis
     172.16.0.0/30 is subnetted, 2 subnets
i L1    172.16.3.0 [115/20] via 172.16.2.2, FastEthernet0/1
     10.0.0.0/32 is subnetted, 5 subnets
i L1    10.1.1.2 [115/20] via 172.16.2.2, FastEthernet0/1
i L1    10.1.1.3 [115/30] via 172.16.2.2, FastEthernet0/1
i L1    10.1.2.3 [115/30] via 172.16.2.2, FastEthernet0/1

Router P:

P#show clns is-neighbors
System Id      Interface   State  Type Priority  Circuit Id         Format
PE1            Fa0/0       Up     L1L2 64/64     P.02               Phase V
PE2            Fa0/1       Up     L1L2 64/64     PE2.03             Phase V

 P#show isis neighbors
System Id      Type Interface IP Address      State Holdtime Circuit Id
PE1            L1   Fa0/0     172.16.2.1      UP    21       P.02
PE1            L2   Fa0/0     172.16.2.1      UP    26       P.02
PE2            L1   Fa0/1     172.16.3.1      UP    8        PE2.03
PE2            L2   Fa0/1     172.16.3.1      UP    6        PE2.03

 P#show ip route
Codes: 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

 Gateway of last resort is not set

      172.16.0.0/30 is subnetted, 2 subnets
C       172.16.2.0 is directly connected, FastEthernet0/0
C       172.16.3.0 is directly connected, FastEthernet0/1
     10.0.0.0/32 is subnetted, 5 subnets
i L1    10.1.2.1 [115/20] via 172.16.2.1, FastEthernet0/0
C       10.1.1.2 is directly connected, Loopback0
i L1    10.1.1.3 [115/20] via 172.16.3.1, FastEthernet0/1
i L1    10.1.2.3 [115/20] via 172.16.3.1, FastEthernet0/1
i L1    10.1.1.1 [115/20] via 172.16.2.1, FastEthernet0/0

Router PE2:

PE2#show clns neighbors

System Id      Interface   SNPA                State  Holdtime  Type Protocol
P              Fa0/0       ca03.04c4.0006      Up     27        L1L2 IS-IS
PE2#show isis neighbors
System Id      Type Interface IP Address      State Holdtime Circuit Id
P              L1   Fa0/0     172.16.3.2      UP    22       PE2.03
P              L2   Fa0/0     172.16.3.2      UP    27       PE2.03

 PE2#show ip route
Codes: 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

 Gateway of last resort is not set

      172.16.0.0/30 is subnetted, 2 subnets
i L1    172.16.2.0 [115/20] via 172.16.3.2, FastEthernet0/0
C       172.16.3.0 is directly connected, FastEthernet0/0
     10.0.0.0/32 is subnetted, 5 subnets
i L1    10.1.2.1 [115/30] via 172.16.3.2, FastEthernet0/0
i L1    10.1.1.2 [115/20] via 172.16.3.2, FastEthernet0/0
C       10.1.1.3 is directly connected, Loopback0
C       10.1.2.3 is directly connected, Loopback1
i L1    10.1.1.1 [115/30] via 172.16.3.2, FastEthernet0/0


Verify MPLS ldp neighbor status on PE and P

PE1#show mpls ldp neighbor
    Peer LDP Ident: 10.1.1.2:0; Local LDP Ident 10.1.1.1:0
        TCP connection: 10.1.1.2.23598 - 10.1.1.1.646
        State: Oper; Msgs sent/rcvd: 63/62; Downstream
        Up time: 00:46:17
        LDP discovery sources:
          FastEthernet0/1, Src IP addr: 172.16.2.2
        Addresses bound to peer LDP Ident:
          172.16.2.2      10.1.1.2        172.16.3.2

P#show mpls ldp neighbor
    Peer LDP Ident: 10.1.1.1:0; Local LDP Ident 10.1.1.2:0
        TCP connection: 10.1.1.1.646 - 10.1.1.2.23598
        State: Oper; Msgs sent/rcvd: 62/64; Downstream
        Up time: 00:46:53
        LDP discovery sources:
          FastEthernet0/0, Src IP addr: 172.16.2.1
        Addresses bound to peer LDP Ident:
          172.16.2.1      10.1.1.1        10.1.2.1
    Peer LDP Ident: 10.1.1.3:0; Local LDP Ident 10.1.1.2:0
        TCP connection: 10.1.1.3.19809 - 10.1.1.2.646
        State: Oper; Msgs sent/rcvd: 64/62; Downstream
        Up time: 00:46:50
        LDP discovery sources:
          FastEthernet0/1, Src IP addr: 172.16.3.1
        Addresses bound to peer LDP Ident:
          172.16.3.1      10.1.1.3        10.1.2.3
PE2#show mpls ldp neighbor
    Peer LDP Ident: 10.1.1.2:0; Local LDP Ident 10.1.1.3:0
        TCP connection: 10.1.1.2.646 - 10.1.1.3.19809
        State: Oper; Msgs sent/rcvd: 1189/1190; Downstream
        Up time: 17:13:42
        LDP discovery sources:
          FastEthernet0/0, Src IP addr: 172.16.3.2
        Addresses bound to peer LDP Ident:
          172.16.2.2      10.1.1.2        172.16.3.2

Verify MP-BGP between PE1 and PE2

PE1:

PE1#show ip bgp summary

BGP router identifier 10.1.2.1, local AS number 65000
BGP table version is 1, main routing table version 1

 Neighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd
10.1.1.3        4 65000    1057    1057        1    0    0 17:28:21        0

 PE1#show ip bgp vpnv4 vrf Client_A
BGP table version is 13, local router ID is 10.1.2.1
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
              r RIB-failure, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete

    Network          Next Hop            Metric LocPrf Weight Path
Route Distinguisher: 65000:1 (default for vrf Client_A)
*> 10.1.2.2/32      172.16.1.2          156160         32768 ?
*>i10.1.2.4/32      10.1.1.3            156160    100      0 ?
*> 172.16.1.0/30    0.0.0.0                  0         32768 ?
*>i172.16.4.0/30    10.1.1.3                 0    100      0 ?
*> 192.168.0.0      172.16.1.2           30720         32768 ?
*>i192.168.4.0      10.1.1.3             30720    100      0 ?


PE2:

PE2#show ip bgp summary
BGP router identifier 10.1.2.3, local AS number 65000
BGP table version is 1, main routing table version 1

 Neighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd
10.1.1.1        4 65000    1059    1059        1    0    0 17:30:01        0

 PE2#show ip bgp vpnv4 vrf Client_A
BGP table version is 13, local router ID is 10.1.2.3
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
              r RIB-failure, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete

    Network          Next Hop            Metric LocPrf Weight Path
Route Distinguisher: 65000:1 (default for vrf Client_A)
*>i10.1.2.2/32      10.1.1.1            156160    100      0 ?
*> 10.1.2.4/32      172.16.4.2          156160         32768 ?
*>i172.16.1.0/30    10.1.1.1                 0    100      0 ?
*> 172.16.4.0/30    0.0.0.0                  0         32768 ?
*>i192.168.0.0      10.1.1.1             30720    100      0 ?
*> 192.168.4.0      172.16.4.2           30720         32768 ?

Verify EIGRP routing between PE-CE 

PE1:


PE1#show ip eigrp vrf Client_A neighbors
IP-EIGRP neighbors for process 100
H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq
                                            (sec)         (ms)       Cnt Num
0   172.16.1.2              Fa0/0             13 17:25:56   23   200  0  3
PE1#show ip route vrf Client_A eigrp
     10.0.0.0/32 is subnetted, 2 subnets
D       10.1.2.2 [90/156160] via 172.16.1.2, 17:25:58, FastEthernet0/0
D    192.168.0.0/24 [90/30720] via 172.16.1.2, 17:25:58, FastEthernet0/0

CE1:

CE1#show ip eigrp neighbors
IP-EIGRP neighbors for process 100
H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq
                                            (sec)         (ms)       Cnt Num
0   172.16.1.1              Fa0/1             14 17:31:26   19   200  0  4

CE1#show ip route eigrp
     172.16.0.0/30 is subnetted, 2 subnets
D       172.16.4.0 [90/30720] via 172.16.1.1, 17:30:59, FastEthernet0/1
D EX 192.168.4.0/24 [170/33280] via 172.16.1.1, 17:30:59, FastEthernet0/1
     10.0.0.0/32 is subnetted, 2 subnets
D EX    10.1.2.4 [170/158720] via 172.16.1.1, 17:30:59, FastEthernet0/1

PE2:

PE2#show ip eigrp vrf Client_A neighbors
IP-EIGRP neighbors for process 100
H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq
                                            (sec)         (ms)       Cnt Num
0   172.16.4.2              Fa0/1             14 17:41:09   42   252  0  3
PE2#show ip route vrf Client_A eigrp
D EX 192.168.4.0/24 [170/30720] via 172.16.4.2, 17:41:10, FastEthernet0/1
     10.0.0.0/32 is subnetted, 2 subnets
D EX    10.1.2.4 [170/156160] via 172.16.4.2, 17:41:10, FastEthernet0/1

CE2:

CE2#show ip eigrp neighbors
IP-EIGRP neighbors for process 100
H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq
                                            (sec)         (ms)       Cnt Num
0   172.16.4.1              Fa0/0             14 17:42:00  677  4062  0  4

CE2#show ip route eigrp
     172.16.0.0/30 is subnetted, 2 subnets
D       172.16.1.0 [90/30720] via 172.16.4.1, 17:41:14, FastEthernet0/0
     10.0.0.0/32 is subnetted, 2 subnets
D       10.1.2.2 [90/158720] via 172.16.4.1, 17:41:14, FastEthernet0/0
D    192.168.0.0/24 [90/33280] via 172.16.4.1, 17:41:14, FastEthernet0/0


Finally, Test ping & traceroute from PC1 to PC2 or vice versa.


 PC1#ping 192.168.4.10
Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.4.10, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 24/25/28 ms

PC1#traceroute 192.168.4.10
Type escape sequence to abort.
Tracing the route to 192.168.4.10

   1 192.168.0.1 508 msec 28 msec 40 msec
  2 172.16.1.1 24 msec 44 msec 36 msec
  3 172.16.2.2 44 msec 68 msec 16 msec
  4 172.16.4.1 52 msec 56 msec 16 msec
  5 172.16.4.2 52 msec 96 msec 12 msec
  6 192.168.4.10 52 msec 48 msec *

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