Lab 44 - Selective Summarization with a Leak Map

Lab 44 - Selective Summarization with a Leak Map
Di Posting Oleh : Simple Learning
Kategori : Core Technologies EIGRP Routing

Prerequisites: CCNP level skills.
Topology
Pic. 1 - EIGRP NBMA Topology.
Icons designed by: Andrzej Szoblik - http://www.newo.pl

Task 1
EIGRP is running on all interfaces of all routers shown in the topology (pic. 1). On R1 summarize all EIGRP prefixes so that R3 receives only a default route.

Task 2
Configure R1 so that R3 receives a default route as well as 192.168.1.0/24 and 192.168.3.0/24.

Lab Solution

Task 1
EIGRP is running on all interfaces of all routers shown in the topology (pic. 1). On R1 summarize all EIGRP prefixes so that R3 receives only a default route.

Pic. 2 - R3's Routing Table Before Summarization.

R1 Configuration:
!
interface Serial0/1
 ip address 10.1.13.1 255.255.255.0
 ip summary-address eigrp 1 0.0.0.0 0.0.0.0 5
!

Verification:
Pic. 3 - R3' Routing Table After Summarization.

Task 2
Configure R1 so that R3 receives a default route as well as 192.168.1.0/24 and 192.168.3.0/24.

R1 Configuration:
!
access-list 1 permit 192.168.1.0 0.0.0.255
access-list 1 permit 192.168.3.0 0.0.0.255
!
route-map ADVERTISE permit 10
 match ip address 1
!
interface Serial0/1
 ip address 10.1.13.1 255.255.255.0
 ip summary-address eigrp 1 0.0.0.0 0.0.0.0 5 leak-map ADVERTISE
!

Verification:
Pic. 4 - R3's Routing Table.

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