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7.6

1721 - Frame Relay installation

Asked by slu2003 in Frame Relay

Tags: cisco, frame, relay, 1721

I purchased a new Cisco 1721 router in order to replace the old NILE router for FR connection. I found some examples of Cisco 2620 router as below:

EDISON-FR(config)#interface serial0
EDISON-FR(config-if)#ip address 204.117.5.9 255.255.255.192
EDISON-FR(config-if)#desc Serial0 to FR external CSU/DSU
EDISON-FR(config-if)#no shutdown
EDISON-FR(config-if)#encapsulation frame ietf

EDISON-FR(config)#interface serial0.1 point-to-point
EDISON-FR(config-subif)#desc Connected to site TN
EDISON-FR(config-subif)#ip address 204.117.5.5 255.255.255.192
EDISON-FR(config-subif)#frame-relay interface-dlci 30

EDISON-FR(config)#interface serial0.2 point-to-point
EDISON-FR(config-subif)#desc Connected to site VA
EDISON-FR(config-subif)#ip address 204.117.6.6 255.255.255.192
EDISON-FR(config-subif)#frame-relay interface-dlci 32

EDISON-FR(config)#interface serial0.3 point-to-point
EDISON-FR(config-subif)#desc Connected to site OH
EDISON-FR(config-subif)#ip address 204.117.6.0 255.255.255.192
EDISON-FR(config-subif)#frame-relay interface-dlci 45

Later another article told me a different example as below:

EDISON-FR(config)#int s0
EDISON-FR(config-if)#encap hdlc
EDISON-FR(config-if)#encap frame-relay ietf
EDISON-FR(config-if)#frame-relay map ip 204.117.65.65 30 broadcast
EDISON-FR(config-if)#frame-relay map ip 204.117.65.67 32 broadcast
EDISON-FR(config-if)#frame-relay map ip 204.117.65.70 45 broadcast
EDISON-FR(config-if)#frame-relay interface-dlci 33

The major difference is the first example is to assign IP address on serial port and sub-ports and the second example is to map IP address on serial port. Please advise, which one is correct or they are all right but for different router models?

Thanks in advance.








[+][-]12/01/03 06:36 AM, ID: 9850386Accepted Solution

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About this solution

Zone: Frame Relay
Tags: cisco, frame, relay, 1721
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Solution Provided By: lrmoore
Participating Experts: 2
Solution Grade: A
 
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