From: Luis Rueda (luis.rueda@comsat.com.co)
Date: Sun Apr 30 2006 - 15:24:03 GMT-3
Hi all,
I have a question for the following scenario, let's say we have 3
routers, R1, R2, R3.
The following topology is used (Hub-Spoke) R1 is the hub, and R2 and R3
area spokes. If R3 is set with the following config:
Interface serial0/0
encapsulation frame-relay ietf
How should I configure R2 and R1 with frame-relay map statements in
order to match the correct encapsulation for R3 ?
Should I set the following config:
R1 (HUB)
Interface serial0/0
encapsulation frame-relay
ip address 200.200.200.1 255.255.255.0
frame-relay map ip 200.200.200.3 103 broadcast ietf
frame-relay map ip 200.200.200.2 102 broadcast
R2 (SPOKE -CISCO ENCAPSULATION-)
Interface serial0/0
encapsulation frame-relay
ip address 200.200.200.2 255.255.255.0
frame-relay map ip 200.200.200.1 201 broadcast
frame-relay map ip 200.200.200.3 201 broadcast
R3 (SPOKE -IETF ENCAPSULATION-)
Interface serial0/0
encapsulation frame-relay IETF
ip address 200.200.200.3 255.255.255.0
frame-relay map ip 200.200.200.1 301 broadcast
frame-relay map ip 200.200.200.2 301 broadcast
Or should I set it up this way:
R1 (HUB)
Interface serial0/0
encapsulation frame-relay
ip address 200.200.200.1 255.255.255.0
frame-relay map ip 200.200.200.3 103 broadcast ietf
frame-relay map ip 200.200.200.2 102 broadcast
R2 (SPOKE -CISCO ENCAPSULATION-)
Interface serial0/0
encapsulation frame-relay
ip address 200.200.200.2 255.255.255.0
frame-relay map ip 200.200.200.1 201 broadcast
frame-relay map ip 200.200.200.3 201 broadcast ietf
R3 (SPOKE -IETF ENCAPSULATION-)
Interface serial0/0
encapsulation frame-relay IETF
ip address 200.200.200.3 255.255.255.0
frame-relay map ip 200.200.200.1 301 broadcast
frame-relay map ip 200.200.200.2 301 broadcast
Regards,
Luis
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