Wednesday, March 30, 2011

Complex Redistribution

An interesting lab to say the least. Hard at times to wrap your mind around which way you are permitting or denying routes.



Lab objectives




Router 2(1)

interface Loopback0
 ip address 10.1.0.1 255.255.255.0
!
interface FastEthernet0/0
 no ip address
 shutdown
 duplex auto
 speed auto
!
interface Serial0/0
 ip address 10.1.13.2 255.255.255.0
 no fair-queue
 no dce-terminal-timing-enable
 service-module t1 clock source internal
 service-module t1 timeslots 1-24
!
interface Serial0/1
 ip address 10.1.12.2 255.255.255.0
 no fair-queue
 no dce-terminal-timing-enable
!
router ospf 1
 log-adjacency-changes
 network 10.0.0.0 0.255.255.255 area 0

Router 3(2)

router eigrp 100
 redistribute ospf 1 route-map ospf-to-eigrp
 network 10.1.23.0 0.0.0.255
 network 10.1.24.0 0.0.0.255
 distance eigrp 90 105
 no auto-summary
!
router ospf 1
 log-adjacency-changes
 redistribute eigrp 100 subnets route-map eigrp-to-ospf
 network 10.1.12.0 0.0.0.255 area 0
!
!
!
ip http server
no ip http secure-server
!
access-list 1 permit 10.4.0.0 0.0.0.255
access-list 1 permit 10.4.1.0 0.0.0.255
access-list 2 permit 10.4.2.0 0.0.0.255
access-list 2 permit 10.4.3.0 0.0.0.255
access-list 3 permit 10.4.4.0 0.0.0.255
!
route-map eigrp-to-ospf deny 5
 match tag 40
!
route-map eigrp-to-ospf permit 10
 match ip address 1
 set metric 100
 set tag 10
!
route-map eigrp-to-ospf permit 20
 match ip address 2
 set metric 200
 set tag 20
!
route-map eigrp-to-ospf deny 30
 match ip address 3
!
route-map eigrp-to-ospf permit 40
 set metric 300
 set tag 30
!
route-map ospf-to-eigrp deny 5
 match tag 10 20 30
!
route-map ospf-to-eigrp permit 10
 set metric 400 20 255 1 1500
 set tag 40


Router 1(3)

router eigrp 100
 redistribute ospf 1 route-map ospf-to-eigrp
 network 10.0.0.0
 no auto-summary
!
router ospf 1
 log-adjacency-changes
 redistribute eigrp 100 subnets route-map eigrp-to-ospf
 network 10.1.13.0 0.0.0.255 area 0
!
!
!
ip http server
no ip http secure-server
!
access-list 1 permit 10.4.0.0 0.0.0.255
access-list 1 permit 10.4.1.0 0.0.0.255
access-list 2 permit 10.4.2.0 0.0.0.255
access-list 2 permit 10.4.3.0 0.0.0.255
access-list 3 permit 10.4.4.0 0.0.0.255
!
route-map eigrp-to-ospf deny 5
 match tag 40
!
route-map eigrp-to-ospf permit 10
 match ip address 1
 set metric 100
 set tag 10
!
route-map eigrp-to-ospf permit 20
 match ip address 2
 set metric 200
 set tag 20
!
route-map eigrp-to-ospf deny 30
 match ip address 3
!
route-map eigrp-to-ospf permit 40
 set metric 300
 set tag 30
!
route-map ospf-to-eigrp deny 5
 match tag 10 20 30
!
route-map ospf-to-eigrp permit 10
 set metric 400 20 255 1 1500
 set tag 40

Router 5(4)

interface Loopback0
 ip address 10.4.0.1 255.255.255.0
!
interface Loopback1
 ip address 10.4.1.1 255.255.255.0
!
interface Loopback2
 ip address 10.4.2.1 255.255.255.0
!
interface Loopback3
 ip address 10.4.3.1 255.255.255.0
!
interface Loopback4
 ip address 10.4.4.1 255.255.255.0
!
interface FastEthernet0/0
 ip address 192.168.0.186 255.255.255.0
 shutdown
 duplex auto
 speed auto
!
interface Serial0/0
 ip address 10.45.1.5 255.255.255.0
 ip ospf network point-to-point
 shutdown
 no dce-terminal-timing-enable
 service-module t1 clock source internal
 service-module t1 timeslots 1-24
!
interface Serial0/1
 ip address 10.1.24.5 255.255.255.0
 no dce-terminal-timing-enable
!
router eigrp 100
 network 10.0.0.0
 no auto-summary

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