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Cisco 2621 Router Problems

Rodrida
Level 1
Level 1

I attend a Cisco Academy. In my lab I am required to make six router be able to communicate via Serial ports. Even though my configuration appears to be working, I cannot ping other routers from the CLI. Is there a command or protocol that I am missing. Here is the CLI:

!

service timestamps debug uptime

service timestamps log uptime

service password-encryption

no service tcp-small-servers

no service udp-small-servers

!

hostname LAB-A

!

enable password cisco

!

no ip name-server

!

ip subnet-zero

no ip domain-lookup

ip routing

!

interface FastEthernet 0/0

no shutdown

description connected to Cisco1538

ip address x.x.x.1 255.255.255.0

keepalive 10

!

interface FastEthernet 0/1

no shutdown

description connected to Cisco1548

ip address x.x.x.1 255.255.255.0

keepalive 10

!

interface Serial 0/0

no shutdown

description connected to LAB-B

ip address x.x.x.1 255.255.255.0

encapsulation ppp

!

interface Serial 0/1

no description

no ip address

shutdown

!

router rip

version 2

network 192.5.5.0

network 205.7.5.0

network 201.100.11.0

no auto-summary

!

!

ip classless

no ip http server

snmp-server community public RO

no snmp-server location

no snmp-server contact

!

line console 0

exec-timeout 0 0

password cisco

login

!

line vty 0 4

password cisco

login

!

end

1 Reply 1

Hello,

not sure what the configuration of your other routers looks like, but with ppp encapsulation on your serial interfaces you always need one side to provide the clock, with the clock rate command in interface configuration mode.

Regards,

Georg

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