IP routing needed for frame relay connection?

From: Hoang Anh Tuan (tuaninbox@yahoo.com)
Date: Sat Mar 10 2007 - 15:22:41 ART

Hi GS,

Do I need to enable "ip routing" for Frame Relay to work (ping directly connected device)? If yes, why is it so?

My configuration:

R1----FRS---R2

When "no ip routing" is on R1, R1 and R2 can't ping each other
When "ip routing" is on R1 and R2, R1 and R2 can ping each other

Rack1R1#p 163.1.12.2
  
 Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 163.1.12.2, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
Rack1R1#sh run int s0/0/0
Building configuration...
  
 Current configuration : 213 bytes
!
interface Serial0/0/0
 ip address 163.1.12.1 255.255.255.0
 encapsulation frame-relay
 no ip route-cache
 frame-relay map ip 163.1.12.2 102 broadcast
 no frame-relay inverse-arp
 frame-relay lmi-type cisco
end
  
 Rack1R1#sh fram pvc 102
  
 PVC Statistics for interface Serial0/0/0 (Frame Relay DTE)
  
 DLCI = 102, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial0/0/0
  
   input pkts 0 output pkts 0 in bytes 0
  out bytes 0 dropped pkts 0 in pkts dropped 0
  out pkts dropped 0 out bytes dropped 0
  in FECN pkts 0 in BECN pkts 0 out FECN pkts 0
  out BECN pkts 0 in DE pkts 0 out DE pkts 0
  out bcast pkts 0 out bcast bytes 0
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
  pvc create time 00:06:23, last time pvc status changed 00:05:43
Rack1R1#sh fram map
Serial0/0/0 (up): ip 163.1.12.2 dlci 102(0x66,0x1860), static,
              broadcast,
              CISCO, status defined, active
Rack1R1#
 Rack1R1#show ip int brie
Rack1R1#show ip int brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 163.1.18.1 YES NVRAM up up
FastEthernet0/1 unassigned YES NVRAM administratively down down
Serial0/0/0 163.1.12.1 YES NVRAM up up
Serial0/1/0 163.1.13.1 YES NVRAM up up
Loopback0 150.1.1.1 YES NVRAM up up
Rack1R1#
  
 Rack1R2#p 163.1.12.1
  
 Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 163.1.12.1, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
Rack1R2#sh run int s0/0/0
Building configuration...
  
 Current configuration : 194 bytes
!
interface Serial0/0/0
 ip address 163.1.12.2 255.255.255.0
 encapsulation frame-relay
 frame-relay map ip 163.1.12.1 201 broadcast
 no frame-relay inverse-arp
 frame-relay lmi-type cisco
end
  
 Rack1R2#sh fram map
Serial0/0/0 (up): ip 163.1.12.1 dlci 201(0xC9,0x3090), static,
               broadcast,
              CISCO, status defined, active
Rack1R2#sh fram pvc 201
  
 PVC Statistics for interface Serial0/0/0 (Frame Relay DTE)
  
 DLCI = 201, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial0/0/0
  
   input pkts 0 output pkts 5 in bytes 0
  out bytes 520 dropped pkts 0 in pkts dropped 0
  out pkts dropped 0 out bytes dropped 0
  in FECN pkts 0 in BECN pkts 0 out FECN pkts 0
  out BECN pkts 0 in DE pkts 0 out DE pkts 0
  out bcast pkts 0 out bcast bytes 0
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
  pvc create time 00:07:43, last time pvc status changed 00:07:43
Rack1R2#sh ip int brie
Rack1R2#sh ip int brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 204.12.1.2 YES NVRAM up up
FastEthernet0/1 unassigned YES NVRAM administratively down down
Serial0/0/0 163.1.12.2 YES NVRAM up up
Serial0/1/0 unassigned YES NVRAM administratively down down
Loopback0 150.1.2.2 YES NVRAM up up
Rack1R2#

Thanks

Tuan

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