06-05-2012 09:01 PM - last edited on 03-25-2019 03:36 PM by ciscomoderator
Hello,
I am having a bit of a routing issues I believe in my home lab. I have set up a frame relay hub-and-spoke config w/ 3 routers. All routers are receiving routes via EIGRP and all appear to have a complete view of the network complete with each routers loopback int. The hub has been configured with point-to-point sub interfaces connecting to R3 and R5 (the hub is R2). One issue is that the routers on the "left" can ping only R3 and R2's loopback int, their S0 ip address can not be pinged. It is the same with the routers on the "right". R5 and R2 can ping each others loopback but not their S0 ip addresses. Also R3 and R5 can not access the hub's (R2) FastEthernet networks, even though it shows up in their routing table. It is almost like the sub interfaces on the hub are not communicating properly.
R2
interface Serial0
no ip address
encapsulation frame-relay
fair-queue
no frame-relay inverse-arp
frame-relay lmi-type ansi
!
interface Serial0.12 point-to-point
ip address 192.168.5.1 255.255.255.0
frame-relay interface-dlci 122
!
interface Serial0.13 point-to-point
ip address 192.168.5.2 255.255.255.0
frame-relay interface-dlci 123
router eigrp 10
network 2.2.2.2 0.0.0.0
network 192.168.5.0
network 192.168.20.0
network 192.168.0.0
Serial0.12 (up): point-to-point dlci, dlci 123(0x7B,0x1CB0), broadcast
status defined, active
Serial0.13 (up): point-to-point dlci, dlci 122(0x7A,0x1CA0), broadcast
status defined, active
R3
interface Serial0
ip address 192.168.5.3 255.255.255.0
encapsulation frame-relay
no fair-queue
frame-relay map ip 192.168.5.1 301 broadcast
no frame-relay inverse-arp
frame-relay lmi-type ansi
router eigrp 10
network 192.168.5.0
network 3.3.3.3 0.0.0.0
Serial0 (up): ip 192.168.5.1 dlci 301(0x12D,0x48D0), static,
broadcast,
CISCO, status defined, active
R5
interface Serial0
ip address 192.168.5.5 255.255.255.0
encapsulation frame-relay
no fair-queue
frame-relay map ip 192.168.5.2 501 broadcast
no frame-relay inverse-arp
frame-relay lmi-type ansi
router eigrp 10
network 192.168.5.0
network 5.5.5.5 0.0.0.0
Serial0 (up): ip 192.168.5.2 dlci 501(0x1F5,0x7C50), static,
broadcast,
CISCO, status defined, active
I'm not sure if I provided enough info, but if more is needed please let me know.
Any help is greatly appreciated
Thanks
-Jeff
Solved! Go to Solution.
06-05-2012 10:04 PM
At least there is an issue on R2: You have configured both subinterfaces with the the same ip subnet 192.168.5.0/24.
This is a mistake which causes the spokes to think they can reach eachother directly.
Configure a different subnet on your subinterfaces and try again.
regards,
Leo
06-05-2012 10:04 PM
At least there is an issue on R2: You have configured both subinterfaces with the the same ip subnet 192.168.5.0/24.
This is a mistake which causes the spokes to think they can reach eachother directly.
Configure a different subnet on your subinterfaces and try again.
regards,
Leo
06-05-2012 10:23 PM
Leo,
Thank you very very much. That was the issue.
Sincerely
-Jeff
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