FR to ATM Service Interworking (FRF.8)

Network Diagram.-

C3620(s1/0) ---------- FR Cloud ---------- C7206 ---------- ATM Cloud ----------(atm4/0/0.50)C7500

Configurations.-
This document uses the configurations shown below.
· 3620 (Frame Relay Endpoint)
· 7206/PA−A3 (IWF)
· 7500 (ATM Endpoint)

3620 (Frame Relay Endpoint)
interface Serial1/0
ip address 10.10.10.1 255.255.255.0
encapsulation frame−relay IETF
frame−relay map ip 10.10.10.2 50
frame−relay interface−dlci 50
frame−relay lmi−type ansi
---------------------------------------------------
7206/PA−A3 (IWF)
frame−relay switching
!
interface Serial4/3
no ip address
encapsulation frame−relay IETF
frame−relay interface−dlci 50 switched
frame−relay lmi−type ansi
frame−relay intf−type dce
!
interface ATM5/0
no ip address
atm clock INTERNAL
no atm ilmi−keepalive
pvc 5/50
vbr−nrt 100 75
oam−pvc manage
encapsulation aal5mux fr−atm−srv
connect CISCO Serial4/3 50 ATM5/0 5/50 service−interworking
---------------------------------------------------
7500 (ATM Endpoint)
interface atm 4/0/0.50 multi
ip address 10.10.10.2 255.255.255.0
pvc 5/50
vbr−nrt 100 75 30
protocol ip 10.10.10.1


Verify.-
7200#show connect name CISCO
FR/ATM Service Interworking Connection: CISCO
Status − UP
Segment 1 − Serial4/3 DLCI 5
Segment 2 − ATM5/0 VPI 5 VCI 50
Interworking Parameters −
service translation
efci−bit 0
de−bit map−clp
clp−bit map−de

7200#show atm vc
VCD / Peak Avg/Min Burst
Interface Name VPI VCI Type Encaps SC Kbps Kbps Cells Sts
2/0 2 0 5 PVC SNAP UBR 155000 UP
5/0 1 5 50 PVC FRATMSRV VBR 100 75 95 UP

7200#show interface serial 4/3
Serial4/3 is up, line protocol is up
Hardware is 4T/MC68360
MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation FRAME−RELAY IETF, crc 16, loopback not set
Keepalive set (10 sec)
LMI enq sent 0, LMI stat recvd 0, LMI upd recvd 0
LMI enq recvd 21, LMI stat sent 21, LMI upd sent 0, DCE LMI up
LMI DLCI 0 LMI type is ANSI Annex D frame relay DCE
!−−− Look for "frame relay DCE" on the serial PA in the 7200 series.
FR SVC disabled, LAPF state down
Broadcast queue 0/64, broadcasts sent/dropped 0/0, interface broadcasts 0
Last input 00:00:03, output 00:00:03, output hang never
Last clearing of "show interface" counters 00:08:43
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/1/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 1158 kilobits/sec
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
21 packets input, 294 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
21 packets output, 329 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
5 carrier transitions DCD=up DSR=up DTR=up RTS=up CTS=up
3620#show interface serial
Serial1/0 is up, line protocol is up
Hardware is CD2430 in sync mode
Internet address is 10.10.10.1/24
MTU 1500 bytes, BW 128 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation FRAME−RELAY IETF, loopback not set
Keepalive set (10 sec)
LMI enq sent 82, LMI stat recvd 26, LMI upd recvd 0, DTE LMI up
LMI enq recvd 0, LMI stat sent 0, LMI upd sent 0
LMI DLCI 0 LMI type is ANSI Annex D frame relay DTE
!−−− Look for "frame relay DTE" on the Frame Relay endpoint.
Broadcast queue 0/64, broadcasts sent/dropped 0/0, interface broadcasts 0
Last input 00:00:03, output 00:00:03, output hang 4w5d
Last clearing of "show interface" counters 00:14:25
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/1/32 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 96 kilobits/sec
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
26 packets input, 404 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
82 packets output, 1148 bytes, 0 underruns
Cisco − Frame Relay to ATM Service Interworking (FRF.8) on the 7200 Series With a PA−A3
0 output errors, 0 collisions, 12 interface resets
0 output buffer failures, 0 output buffers swapped out
37 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up


7200#show frame pvc
PVC Statistics for interface Serial4/3 (Frame Relay DCE)
Active Inactive Deleted Static
Local 0 0 0 0
Switched 1 0 0 0
Unused 0 0 0 0
DLCI = 50, DLCI USAGE = SWITCHED, PVC STATUS = ACTIVE, INTERFACE = Serial4/3
input pkts 0 output pkts 0 in bytes 0
out bytes 0 dropped pkts 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
switched pkts 0
Detailed packet drop counters:
no out intf 0 out intf down 0 no out PVC 0
in PVC down 0 out PVC down 0 pkt too big 0
shaping Q full 0 pkt above DE 0 policing drop 0
pvc create time 00:10:53, last time pvc status changed 00:10:53