Hi, All
I am configuring EIGRP in Packet tracer, after configuring
all the things it is not working but in one condition it is
working fine if i am putting all my router and network
withing one network subnets e.g. 172.16.0.0 or 10.0.0.0 but
whenever i am puting different network subnets e.g. in one
network it is RA(config-if)#=ip address 10.0.0.1, and in
fa0/0= 192.168.1.10 and in RB(config-if)#10.0.0.2 (s1/0) and
in S1/1 11.0.0.1 and in fa 0/0 192.168.100.1 ,where as in
third router RC(config-if)#=ip address 11.0.0.2 and in fa
0/0 172.16.1.10 and after configuring all this serial is
showing up and protocol showing up but eigrp process not
taking place after adding eigrp configuration, i tried with
"no auto-summary" command but not working.. Suggest me where
i missing something? can mail me at : gtech.innovator@gmail.com

Answer Posted / shahin

Hi buddy... Just go through ur IP add config on Router A. U
configured as bellow....

RA(confg-if)# ip address 10.0.1.1 255.0.0.0 (S1/0)
RA(confg-if)# clock rate 64000
RA(confg-if)#no shut
RA(config-if)#= ip address 192.168.1.10 255.255.255.0 (FA 0/0)
RA(confg-if)#no shut
RA(confg)#router eigrp 100
RA(confg-router)# network 10.0.0.0
RA(confg-router)#network 192.168.0.0
RA(confg-router)#ctrl+z



before configuration of any dynamic protocol, Router by
default add all directly connected network on its routing table.

As per default function.. Output wud be like this before
configuration of EIGRP...

outer#sh ip route
Codes: C - connected, S - static, I - IGRP, 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,
E - EGP
i - IS-IS, 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

C 10.0.0.0/8 is directly connected, Serial1/0
C 192.168.1.0/24 is directly connected, FastEthernet0/0


Now check the network u configured....

RA(confg)#router eigrp 100
RA(confg-router)# network 10.0.0.0
RA(confg-router)#network 192.168.0.0
RA(confg-router)#ctrl+z

My question is this.. where is ur 192.168.1.0/24 network.
Did u advertise this network??????? So ur configuration wub
be....

RA(confg)#router eigrp 100
RA(confg-router)# network 10.0.0.0
RA(confg-router)#network 192.168.1.0
RA(confg-router)#no auto-summary
RA(confg-router)#ctrl+z


Note: I configured ur topology in packet tracer & also in
GNS3 & its working properly..!!!

Hope... it cud be solve ur problem..!!!

Thanks for nice posting..!!!

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