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New Member

Frame Relay to Siemens 5940

I've got a Cisco 1720 with 2 t1's at the central office. One goes to our internet t1( working fine). The other to a remote office( not working). The Siemens is set up to handle fram-relay, dlci 16, with an IP of 192.168.1.2.

On the cisco end, I have gone through many configuration and have found that setting the configuration to

interface Serial1

ip address 192.168.1.1 255.255.255.0

no ip directed-broadcast

encapsulation frame-relay IETF

no ip mroute-cache

frame-relay interface-dlci 16

frame-relay intf-type dce

will get the line to show serial up and protocol up.

The PVC also is shown as active when I do a show PVC.

I am unable to ping the loacal serial interface, and am unable to ping the remote serial interface.

Any help would be greatly appreciated.

Thanks in advance.

Phillip

2 REPLIES
Bronze

Re: Frame Relay to Siemens 5940

You will not be able to ping the local interface address because this is a multipoint interface.

Alternatively you can use subinterfaces to make it appear as a point to point interface and make it pingable. See the following URL for an example -

http://www.cisco.com/warp/customer/125/16.html

New Member

Re: Frame Relay to Siemens 5940

OK, I have it set up as a point to point sub interface.

interface Serial1

no ip address

no ip directed-broadcast

encapsulation frame-relay IETF

no ip mroute-cache

frame-relay intf-type dce

!

interface Serial1.1 point-to-point

ip address 192.168.1.1 255.255.255.0

no ip directed-broadcast

frame-relay interface-dlci 50

gw#sh frame-relay map

Serial1.1 (up): point-to-point dlci, dlci 50(0x32,0xC20), broadcast

status defined, active

gw#sh frame-relay pvc

PVC Statistics for interface Serial1 (Frame Relay DCE)

Active Inactive Deleted Static

Local 1 0 0 0

Switched 0 0 0 0

Unused 0 0 0 0

DLCI = 50, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial1.1

input pkts 0 output pkts 30 in bytes 0

out bytes 4201 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 7 out bcast bytes 2121

pvc create time 00:09:14, last time pvc status changed 00:06:50

gw#show int serial1

Serial1 is up, line protocol is up

Hardware is PQUICC with Fractional T1 CSU/DSU

MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,

reliablility 255/255, txload 1/255, rxload 1/255

Encapsulation FRAME-RELAY IETF, loopback not set

Keepalive set (10 sec)

LMI enq sent 212, LMI stat recvd 0, LMI upd recvd 0

LMI enq recvd 8253, LMI stat sent 7960, LMI upd sent 0, DCE LMI up

LMI DLCI 0 LMI type is ANSI Annex D frame relay DCE

FR SVC disabled, LAPF state down

Broadcast queue 0/64, broadcasts sent/dropped 52/0, interface broadcasts 0

Last input 00:00:04, output 00:00:04, output hang never

Last clearing of "show interface" counters never

Input queue: 0/75/0 (size/max/drops); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/26/256 (active/max active/max total)

Reserved Conversations 0/0 (allocated/max allocated)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

10612 packets input, 273914 bytes, 0 no buffer

Received 234 broadcasts, 0 runts, 4 giants, 0 throttles

192 input errors, 45 CRC, 143 frame, 0 overrun, 0 ignored, 1 abort

1433392 packets output, 927600204 bytes, 0 underruns

0 output errors, 0 collisions, 109 interface resets

0 output buffer failures, 0 output buffers swapped out

13 carrier transitions

DCD=up DSR=up DTR=up RTS=up CTS=up

gw#show int serial1.1

Serial1.1 is up, line protocol is up

Hardware is PQUICC with Fractional T1 CSU/DSU

Internet address is 192.168.1.1/24

MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,

reliability 255/255, txload 1/255, rxload 1/255

Encapsulation FRAME-RELAY IETF

I still can't ping 192.168.1.1, nor the other end of the T1. Any thoughts?

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