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Community Member

Frame-Relay ip routing on non-meshed network

I have a frame-relay network in a hub-and-spoke configuration, 10 remote offices with a connection back to the home office. All remotes can communicate with the home office, but no remote can communicate with another remote.

I tried to setup point-to-point subinterfaces on the home office router (2620), but I'm missing something. I have also read that I don't necessarily need subinterfaces if I'm routing IP (?).

How would you recommend configuring this network to allow some remote offices to communicate with others over IP?

Thanks in advance,

Michael Young

Here is the portion of my home office router that relates:

interface Serial0/0

description ATT ATM Port

ip address 10.10.16.1 255.255.248.0

encapsulation frame-relay

no ip mroute-cache

load-interval 30

no fair-queue

frame-relay map ip 10.10.16.30 106

frame-relay map ip 10.10.16.31 106

frame-relay map ip 10.10.16.32 106

frame-relay map ip 10.10.16.33 105

frame-relay map ip 10.10.16.34 105

frame-relay map ip 10.10.16.35 105

frame-relay map ip 10.10.16.36 108

frame-relay map ip 10.10.16.37 108

frame-relay map ip 10.10.16.38 108

frame-relay map ip 10.10.16.39 107

frame-relay map ip 10.10.16.40 107

frame-relay map ip 10.10.16.41 107

frame-relay map ip 10.10.16.42 104

frame-relay map ip 10.10.16.43 104

frame-relay map ip 10.10.16.44 104

frame-relay map ip 10.10.16.45 103

frame-relay map ip 10.10.16.46 103

frame-relay map ip 10.10.16.47 103

frame-relay map ip 10.10.16.10 101

frame-relay map ip 10.10.16.11 101

frame-relay map ip 10.10.16.12 103

frame-relay map ip 10.10.16.13 103

frame-relay map ip 10.10.16.14 104

frame-relay map ip 10.10.16.15 104

frame-relay map ip 10.10.16.16 108

frame-relay map ip 10.10.16.17 108

frame-relay map ip 10.10.16.18 107

frame-relay map ip 10.10.16.19 107

frame-relay map ip 10.10.16.20 105

frame-relay map ip 10.10.16.21 105

frame-relay map ip 10.10.16.22 106

frame-relay map ip 10.10.16.23 106

frame-relay map ip 10.10.16.24 102

frame-relay map ip 10.10.16.25 102

frame-relay interface-dlci 100 switched

frame-relay lmi-type cisco

1 REPLY
Community Member

Re: Frame-Relay ip routing on non-meshed network

Which routing protocol are you running?

If you are running a distance vector protocol, you need to disable split horizon on the hub interface of the frame relay.

Other methods to solve this would be to run a Link state protocol, such as ospf, or use point-to-point subinterfaces.

Good Luck

Doug

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