EIGRP

Redistribution Guide

Topology

Objectives

Objective 1 and 2

Creating tunnel between R4 and R5

Router 4

config t

 interface Tunnel1

 ip address 129.186.45.4 255.255.255.0

 tunnel source 129.186.24.4

 tunnel destination 129.186.24.5

Explanation

interface tunnel 1-------------------------------------(to creat tunnel interface)

tunnel source 129.186.24.4  -----------------------(router 4 interface)

ip address 129.186.45.4 255.255.255.0---------(choose from available network)

tunnel destination 129.186.24.5------------------(router 5 interface)

router 5

config t

interface Tunnel1

 ip address 129.186.45.5 255.255.255.0

 tunnel source 129.186.24.5

 tunnel destination 129.186.24.4

show commands

R5#show ip int br

Interface                  IP-Address      OK? Method Status                Protocol

FastEthernet0/0            129.186.54.1    YES NVRAM  up                    up

FastEthernet0/1            129.186.35.5    YES NVRAM  up                    up

Serial1/0                  129.186.65.5    YES NVRAM  up                    up

Serial1/1                  129.186.24.5    YES NVRAM  up                    up

Serial1/2                  unassigned      YES NVRAM  administratively down down

Serial1/3                  unassigned      YES NVRAM  administratively down down

Loopback0                  10.5.5.5        YES NVRAM  up                    up

Tunnel1                    129.186.45.5    YES manual up                    up

The tunnel interface should be in "up" state

show int tunnel 1

ping 129.186.45.4

Creating EIGRP Route

Router 4

config t

router eigrp 10

network 180.1.40.0

no auto

network 129.186.45.0

Router 5

config t

router eigrp 10

no auto

network 129.186.65.0

network 129.186.45.0

show ip egrp neighbor

show ip route

Router 6

config t

router eigrp 10

no auto

network 129.186.65.0

ping 129.186.65.1

show ip eirp neighbor

show ip route

Objective 3 (redistribution between ospf and eigrp)

Router 4

redistributing EIGRP  into OSPF

config t

access-list 15 permit 180.1.40.0 0.0.0.255

route-map EIGRP_2_OSPF 

match ip address 15

exit

router ospf 1

redistribute egirp 10 route-map EGIRP_2_OSPF metric 100000 metric-type 1 subnets tag 10

exit

exit

wr

Explnation

access list 15 permit 180.1.40.0 0.0.0.255-------------(creating an access list to permit only the network 180.1.40.0)

route -map  EGIRP_2_OSPF-------------------------------(creating a routemap name EGIRP_2_OSPF)

match ip address 15----------------------------------------(matching access list 15)

router ospf 1-----------------------------------(enter ospf process 10)

redistribute-------------------------------------(Redistribute information from another routing protocol)

egirp 10-----------------------------------------(incert egirp procces)

route-map EGIRP_2_OSPF-------------------(incert the routemap whih contains the access list informtion)

metric 10000-----------------------------------

metric-type 1-----------------------------------(to increment the path cost)

subnets------------------------------------------

tag 10--------------------------------------------(tag it to avoid routing loop)

Router 2 has 180.1.40.0 route in its routing table.

R2#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

     170.12.0.0/24 is subnetted, 1 subnets

O E1    170.12.7.0 [110/1850] via 129.186.23.2, 00:01:31, Serial1/1.23

O E1 192.168.8.0/24 [110/1850] via 129.186.23.2, 00:01:31, Serial1/1.23

O E1 192.168.9.0/24 [110/1850] via 129.186.23.2, 00:01:31, Serial1/1.23

O E1 192.168.10.0/24 [110/1850] via 129.186.23.2, 00:01:31, Serial1/1.23

O E1 192.168.4.0/24 [110/1850] via 129.186.23.2, 00:01:31, Serial1/1.23

     129.186.0.0/24 is subnetted, 4 subnets

O IA    129.186.54.0 [110/65] via 129.186.24.4, 00:01:31, Serial1/1.24

O IA    129.186.35.0 [110/65] via 129.186.23.2, 00:01:32, Serial1/1.23

                     [110/65] via 129.186.24.5, 00:01:32, Serial1/1.24

C       129.186.24.0 is directly connected, Serial1/1.24

C       129.186.23.0 is directly connected, Serial1/1.23

O E1 192.168.5.0/24 [110/1850] via 129.186.23.2, 00:01:32, Serial1/1.23

     130.13.0.0/24 is subnetted, 1 subnets

C       130.13.11.0 is directly connected, FastEthernet0/0

     10.0.0.0/24 is subnetted, 6 subnets

O IA    10.7.7.0 [110/66] via 129.186.23.2, 00:01:34, Serial1/1.23

                 [110/66] via 129.186.24.5, 00:01:34, Serial1/1.24

O       10.5.5.0 [110/65] via 129.186.24.5, 00:01:34, Serial1/1.24

O       10.4.4.0 [110/65] via 129.186.24.4, 00:01:34, Serial1/1.24

O       10.3.3.0 [110/65] via 129.186.23.2, 00:01:34, Serial1/1.23

C       10.2.2.0 is directly connected, Loopback0

O E1    10.1.1.0 [110/1000001] via 130.13.11.1, 00:01:34, FastEthernet0/0

O E1 192.168.6.0/24 [110/1850] via 129.186.23.2, 00:01:34, Serial1/1.23

O E1 192.168.7.0/24 [110/1850] via 129.186.23.2, 00:01:34, Serial1/1.23

O E1 192.168.0.0/24 [110/1850] via 129.186.23.2, 00:01:34, Serial1/1.23

O E1 192.168.1.0/24 [110/1850] via 129.186.23.2, 00:01:34, Serial1/1.23

O E1 192.168.2.0/24 [110/1850] via 129.186.23.2, 00:01:34, Serial1/1.23

     180.1.0.0/24 is subnetted, 1 subnets

O E1    180.1.40.0 [110/10064] via 129.186.24.4, 00:01:00, Serial1/1.24

O E1 192.168.3.0/24 [110/1850] via 129.186.23.2, 00:01:36, Serial1/1.23

check for 180.1.40.0 network in all the routers running ospf 1

Router 4

Redistributing OSPF routes into EIGRP

router egirp 10

redistribute ospf 1 metric 11111 0 255 255 1

Router 5

Redistributing OSPF routes into EIGRP

router egirp 10

redistribute ospf 1 metric 11111 0 255 255 1

Loop protection

access-list 20 permit 180.1.0.0 0.0.255.255

!

route-map EIGRP_2_OSPF deny 10

 match route-type external

!

route-map EGIRP_2_OSPF deny 20

 match ip address 20

!

route-map EGIRP_2_OSPF permit 30

router ospf 1

 redistribute eigrp 10 metric 100000 metric-type 1 subnets tag 10 route-map EGIRP_2_OSPF

Explanation 

route-map EGIRP_2_OSPF deny 10

match route-type external---------------------(match all the route which came from outside eigrp domain)

!

router ospf 1

redisrtibute eigrp 10 subnets tag 10 metric 100000 metric-type 1 router-map EGIRP_2_OSPF

!

access list 20 permit 180.1.40.0 0.0.255.255 ---------------(vlan connected to R4)

!

route-map EGIRP_2_OSPF deny 20------------------(creating  route map for denial)

match ip adress 20--------------------------------------(match access list 20)

!

route-map EGIRP_2_OSPF permit 30----------------(to allow rest of the routes)

Check redistributed routes on router 6

R6#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

     170.12.0.0/24 is subnetted, 1 subnets

D EX    170.12.7.0 [170/2169856] via 129.186.65.5, 06:33:20, Serial1/1

D EX 192.168.8.0/24 [170/2169856] via 129.186.65.5, 06:33:20, Serial1/1

D EX 192.168.9.0/24 [170/2169856] via 129.186.65.5, 06:33:20, Serial1/1

D EX 192.168.10.0/24 [170/2169856] via 129.186.65.5, 06:33:20, Serial1/1

D EX 192.168.4.0/24 [170/2169856] via 129.186.65.5, 06:33:20, Serial1/1

     129.186.0.0/16 is variably subnetted, 6 subnets, 2 masks

D       129.186.54.0/24 [90/2172416] via 129.186.65.5, 11:08:53, Serial1/1

D       129.186.45.0/24 [90/297756416] via 129.186.65.5, 11:08:53, Serial1/1

D       129.186.35.0/24 [90/2172416] via 129.186.65.5, 11:08:53, Serial1/1

D       129.186.24.0/24 [90/2681856] via 129.186.65.5, 11:08:53, Serial1/1

D EX    129.186.23.0/24 [170/2169856] via 129.186.65.5, 06:33:21, Serial1/1

C       129.186.65.4/30 is directly connected, Serial1/1

D EX 192.168.5.0/24 [170/2169856] via 129.186.65.5, 06:33:22, Serial1/1

     160.5.0.0/24 is subnetted, 1 subnets

C       160.5.1.0 is directly connected, FastEthernet0/1

     10.0.0.0/24 is subnetted, 4 subnets

D EX    10.7.7.0 [170/2169856] via 129.186.65.5, 06:33:22, Serial1/1

D EX    10.5.5.0 [170/2169856] via 129.186.65.5, 06:33:22, Serial1/1

D EX    10.4.4.0 [170/297756416] via 129.186.65.5, 08:43:04, Serial1/1

D EX    10.3.3.0 [170/2169856] via 129.186.65.5, 06:33:22, Serial1/1

D EX 192.168.6.0/24 [170/2169856] via 129.186.65.5, 06:33:22, Serial1/1

D EX 192.168.7.0/24 [170/2169856] via 129.186.65.5, 06:33:22, Serial1/1

D EX 192.168.0.0/24 [170/2169856] via 129.186.65.5, 06:33:22, Serial1/1

D EX 192.168.1.0/24 [170/2169856] via 129.186.65.5, 06:33:22, Serial1/1

D EX 192.168.2.0/24 [170/2169856] via 129.186.65.5, 06:33:22, Serial1/1

     180.1.0.0/24 is subnetted, 1 subnets

D       180.1.40.0 [90/297758976] via 129.186.65.5, 08:43:04, Serial1/1

D EX 192.168.3.0/24 [170/2169856] via 129.186.65.5, 06:33:24, Serial1/1

Objective 4 (EIGRP authentication)

Router 4

config t

int s0/0

ip authentication mode eigrp 10 md5

ip authentication key chain eigrp 10 XXXXXX

key chain XXXXXX

key 1

key-string cisco 

accespt-lifetime 8:000:00 1 jan 1993 infinite

send lifetime 8:000:00 1 jan 1993 infinite