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You are here: Home / Frame-Relay Map IP

Frame-Relay Map IP

Command

Frame-Relay Map IP

Use

This command statically configures frame-relay DLCI information

Syntax

Router(config-if)#frame-relay map ip <ip address> <dlci> broadcast

Options

<broadcast> Allows the mapping to forward multicast and broadcast across the PVC.

Example

simple

In this example, we will configure R4 to use frame-relay as per the diagram above.

R4(config)#int s0/0
R4(config-if)#encapsulation frame-relay
R4(config-if)#ip add 10.4.4.4 255.255.255.0
R4(config-if)#frame map ip 10.4.4.1 401 broad
R4(config-if)#frame map ip 10.4.4.3 403 broad
R4(config-if)#frame map ip 10.4.4.4 403
R4(config-if)#no shut

Next, we configure R1 to use frame relay.

R1(config)#int s1/0
R1(config-if)#encapsulation frame-relay
R1(config-if)#ip add 10.4.4.1 255.255.255.0
R1(config-if)#frame map ip 10.4.4.4 104 broad
R1(config-if)#frame map ip 10.4.4.1 104
R1(config-if)#frame map ip 10.4.4.3 104
R1(config-if)#no shut

Finally, we do the same with R3.

R3(config)#int s1/0
R3(config-if)#encapsulation frame
R3(config-if)#encapsulation frame-relay
R3(config-if)#ip add 10.4.4.3 255.255.255.0
R3(config-if)#frame map ip 10.4.4.4 304 broad
R3(config-if)#frame map ip 10.4.4.3 304
R3(config-if)#frame map ip 10.4.4.1 304
R3(config-if)#no shut

Now we use show frame-relay mapping to verify that R4 has learned about the other links via inverse-arp and that we can ping.

R4(config)#do sh frame map
Serial0/0 (up): ip 10.4.4.1 dlci 401(0x191,0x6410), static,
broadcast,
CISCO, status defined, active
Serial0/0 (up): ip 10.4.4.3 dlci 403(0x193,0x6430), static,
broadcast,
CISCO, status defined, active
Serial0/0 (up): ip 10.4.4.4 dlci 401(0x191,0x6410), static,
CISCO, status defined, active

R4(config-if)#do ping 10.4.4.1

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.4.4.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 8/32/84 ms
R4(config-if)#do ping 10.4.4.3

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.4.4.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 8/37/68 ms

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