AS5300 using as a leased line

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May 23rd, 2006
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Hello,


I have an AS5300 router. I want to use one of the router's e1 ports for leased line.

I can't see any problem with this but it doesn't work. The line protocol

is down... What could be the problem? I'm able to see the loop at the far end so

the line seems to be ok.


Thanks,


Andras


Here is the config of the AS5300


controller E1 0

clock source line primary

line-termination 75-ohm

channel-group 1 timeslots 1-30

!


interface Serial0:1

bandwidth 1920

ip address 192.168.18.33 255.255.255.252

encapsulation ppp

!


Here are the outputs of the sh commands:


#sh controllers e1 0


E1 0 is up.

Applique type is Channelized E1 - unbalanced

No alarms detected.

Version info of Slot 0: HW: 1, Firmware: 4, PLD Rev: 11

Framer Version: 0x8


Manufacture Cookie Info:

EEPROM Type 0x0001, EEPROM Version 0x01, Board ID 0x49,

Board Hardware Version 3.1, Item Number 800-3883-2,

Board Revision B0, Serial Number 21814499,

PLD/ISP Version 0.1, Manufacture Date 14-Aug-2000.


Framing is CRC4, Line Code is HDB3, Clock Source is Line Primary.

Data in current interval (215 seconds elapsed):


#sh interfaces serial 0:1

Serial0:1 is up, line protocol is down

Hardware is DSX1

Internet address is 192.168.18.33/30

MTU 1500 bytes, BW 1920 Kbit, DLY 20000 usec,

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

Encapsulation PPP, loopback not set

Keepalive set (10 sec)

LCP Listen, multilink Closed

Closed: IPCP

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

Last clearing of "show interface" counters 03:39:53

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)

5 minute input rate 0 bits/sec, 6 packets/sec

5 minute output rate 1000 bits/sec, 6 packets/sec

84044 packets input, 1053800 bytes, 0 no buffer

Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

973 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 973 abort

84083 packets output, 2044164 bytes, 0 underruns

0 output errors, 0 collisions, 0 interface resets

0 output buffer failures, 0 output buffers swapped out

0 carrier transitions

Timeslot(s) Used:1-30, Transmitter delay is 0 flags

-------------------------------------------------------------------------

This is the configuration of the remote end:


interface Serial0

ip address 192.168.18.34 255.255.255.252

encapsulation ppp

!


#sh interfaces serial 0

Serial0 is up, line protocol is down

Hardware is PowerQUICC Serial

Internet address is 192.168.18.34/30

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

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

Encapsulation PPP, LCP REQsent, loopback not set

Keepalive set (10 sec)

Last input 00:00:01, output 00:00:01, output hang never

Last clearing of "show interface" counters 03:28:23

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 1000 bits/sec, 5 packets/sec

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

80436 packets input, 1955214 bytes, 0 no buffer

Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

475 input errors, 0 CRC, 456 frame, 0 overrun, 0 ignored, 19 abort

80437 packets output, 1008570 bytes, 0 underruns

0 output errors, 0 collisions, 1036 interface resets

0 output buffer failures, 0 output buffers swapped out

0 carrier transitions

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

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Richard Burts Tue, 05/23/2006 - 06:51
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Andras


The major problem here is that your 5300 is treating the connection as a channelized circuit while the remote end is treating it as a straight (unchannelized) data circuit.


HTH


Rick

horvaia Tue, 05/23/2006 - 07:35
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Rick,

Thanks for your reply. That is true. But I have plenty

other routers which works quite the same way. Those are c3640 routers and I'm using NM-2CE1U= controllers

at my end and plain wic-1t at the customers' end

for the leased line connection. So the main

difference is that the e1 ports in the AS5300 are

channelized but the NM-2CE1U= ports are unchannelized? I don't think so. Here is a part

from a sh controll e1 0/1 command from a c3640:

E1 0/1 is up.

Applique type is Channelized E1 - unbalanced

No alarms detected.


Andras


horvaia Wed, 05/24/2006 - 05:52
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let me answer my own question, maybe somebody else

would run into the same issue in the future.

It seems that it was an ios bug in c5300-is-mz.121-4a.bin ios. I did an upgrade to

c5300-is-mz.121-27b.bin and everything works fine.



Richard Burts Wed, 05/24/2006 - 08:56
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Andras


Thanks for posting with the solution. It helps make the forum more useful when we can read about a problem and then can see what the solution to the problem is. I encourage you to continue to be active in the NetPro forum.


HTH


Rick

yubigfish Tue, 07/27/2010 - 07:23
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Rick

where can we see the remote end is treating it as a straight (unchannelized) data circuit?thx

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