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Webcast-Catalyst9k
New Member

frame relay

When setting up frame-relay mappings, say ip x.x.x.x dlci 100 etc, do you still need to put an ip route in or has this already done it ?

4 REPLIES
VIP Purple

Re: frame relay

Hello Carl,

wether you use dynamic mapping or static mapping, the only connectivity will be between the directly connected frame relay interfaces. So, for example:

interface Serial0

ip address 192.168.1.1 255.255.255.252

encapsulation frame-relay

frame-relay interface-dlci 102

will allow that router to reach the other side, 192.168.1.2 in this case, without any sort of routing.

interface Serial0

ip address 192.168.1.1 255.255.255.252

encapsulation frame-relay

frame-relay map ip 192.168.1.2 102 broadcast

has the same effect. In order to have reachability for any other networks, you will need to use either static routes or a routing protocol...

Does that make sense ?

Regards,

GP

New Member

Re: frame relay

What will be the config say on the 192.169.1.2 router ?

VIP Purple

Re: frame relay

Hello Carl,

the config would be almost identical, except for the IP address and the DLCI. On the other side, it would be:

interface Serial0

ip address 192.168.1.2 255.255.255.252

encapsulation frame-relay

frame-relay interface-dlci 201

interface Serial0

ip address 192.168.1.1 255.255.255.252

encapsulation frame-relay

frame-relay map ip 192.168.1.1 201 broadcast

Have you set up your own router/frame-relay switch, or is this an ISP-provided environement ?

Regards,

GP

New Member

Re: frame relay

do you have to put in the dlci backwards on the opposite side then ?

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