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Kgrimm38

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Can't ping through my serial interfaces to my ethernet interfaces

I have a lab environment that consists of a Cisco 2600 and Cisco 1720 running frame-relay between the two. I can ping my serial interfaces fine and also the loopbacks on each router but I can't ping eithers ethernet interfaces. I'm have no idea whats hapening at this point. Here are the running configs for both?

Cisco-2600#sh run
Building configuration...

Current configuration : 1123 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Cisco-2600
!
boot-start-marker
boot-end-marker
!
enable password topcat
!
username R2 password 0 cisco
username Cisco-1720 password 0 cisco
no network-clock-participate slot 1
no network-clock-participate wic 0
no aaa new-model
ip subnet-zero
ip cef
!
!
!
!
no ip domain lookup
frame-relay switching
no ftp-server write-enable
!
!
!
!
interface Loopback0
 ip address 1.1.1.1 255.255.255.255
!
interface FastEthernet0/0
 ip address 10.110.1.1 255.255.0.0
 duplex auto
 speed auto
!
interface Serial0/0
 ip address 172.12.123.1 255.255.255.0
 encapsulation frame-relay
 frame-relay map ip 172.12.123.1 121
 no frame-relay inverse-arp
 frame-relay lmi-type cisco
 frame-relay intf-type dce
!
interface Serial0/1
 no ip address
 shutdown
!
router rip
 network 10.0.0.0
 network 172.12.0.0
!
ip default-gateway 172.12.123.2
ip classless
ip route 2.2.2.0 255.255.255.0 172.12.123.2
no ip http server
!
!
!
!
control-plane
!
!
line con 0
line aux 0
line vty 0 4
 password topcat
 login
!
!
end

Cisco-1720#sh run
Building configuration...

Current configuration : 872 bytes
!
version 12.1
no service single-slot-reload-enable
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname Cisco-1720
!
enable password topcat
!
username R1 password 0 cisco
username Cisco-2600 password 0 cisco
!
!
!
!
memory-size iomem 25
ip subnet-zero
no ip domain-lookup
!
!
!
!
interface Loopback0
 ip address 2.2.2.2 255.255.255.255
!
interface Serial0
 ip address 172.12.123.2 255.255.255.0
 encapsulation frame-relay
 frame-relay lmi-type cisco
!
interface Serial1
 no ip address
 shutdown
!
interface FastEthernet0
 ip address 10.110.2.2 255.255.0.0
 speed auto
!
router rip
 network 10.0.0.0
 network 172.12.0.0
!
ip default-gateway 172.12.123.1
ip classless
ip route 1.1.1.0 255.255.255.0 172.12.123.1
no ip http server
!
!
line con 0
line aux 0
line vty 0 4
 password topcat
 login
!
no scheduler allocate
end
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mdennis4422
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Ken Boone
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nice catch, Todos!
Avatar of Kgrimm38
Kgrimm38

ASKER

Thanks very much to all of you for taking the time to answer my question.My main problem was the fact that I didn't have anything plugged into the ethernet interfaces of the routers. Thanks Mdennis4422. of All your solutions were very helpful and informative. I was pretty much all over the road towards the end and was trying anything. The no ip keepalive statement from kenboonejr and also getting the interfaces on the proper subnet and switching to RIPv2 was a great help. Thanks again!