System information

Troubleshooting Frame Relay
Book Title
18-406
frame-relay map command
missing
Syntax Description:
protocol—Supported protocols: AppleTalk, DECnet, IP, XNS, IPX, and
VINES.
protocol-address—Address for the protocol.
dlci—DLCI number for the interface.
broadcast—(Optional) Broadcasts should be forwarded to this address
when multicast is not enabled.
ietf—(Optional) IETF form of Frame Relay encapsulation. Use when
the communication server is connected to another vendor’s equipment
across a Frame Relay network.
cisco—(Optional) Cisco encapsulation method.
Example:
The following example maps IP address 131.108.123.1 to DLCI 100:
interface serial 0
frame-relay map ip 131.108.123.1 100 broadcast
Step 4
Make sure that the DLCIs and next-hop addresses specified in
frame-relay map commands are correct. The specified protocol address
should be in the same network as your local Frame Relay interface.
For complete information on configuring Frame Relay address maps, refer
to the Cisco IOS Wide-Area Networking Configuration Guide.
No broadcast keyword in
frame-relay map statements
Step 1 Use the show running-config privileged exec command on local and
remote routers to view the router configuration. Check frame-relay map
command entries to see whether the broadcast keyword is specified.
Step 2 If the keyword is not specified, add the broadcast keyword to all
frame-relay map commands.
Syntax:
frame-relay map protocol protocol-address dlci [broadcast] [ietf | cisco]
Syntax Description:
protocol—Supported protocols: AppleTalk, DECnet, IP, XNS, IPX, and
VINES.
protocol-address—Address for the protocol.
dlci—DLCI number for the interface.
broadcast—(Optional) Broadcasts should be forwarded to this address
when multicast is not enabled.
ietf—(Optional) IETF form of Frame Relay encapsulation. Use when
the communication server is connected to another vendor’s equipment
across a Frame Relay network.
cisco—(Optional) Cisco encapsulation method.
Example:
The following example maps IP address 131.108.123.1 to DLCI 100:
interface serial 0
frame-relay map ip 131.108.123.1 100 broadcast
Note: By default, the broadcast keyword is added to dynamic maps learned via
Inverse ARP
1
.
1 ARP = Address Resolution Protocol
Possible Problem Solution