Re: (PM) Packet Loss

Michael Locke (mlocke@akorn.net)
Tue, 13 Jan 1998 16:31:58 -0500

When I do a show line0 I get this output:

Alarms Violations
----------------------------------------------------------------------------
---------------------------------
Blue 4 Bipolar
0
Yellow 0 CRC errors
14
Receive carrier loss 0 Multiframe sync
114
Loss of sync 5

What is this data telling me? Thanks for all the help.

Michael Locke
mlocke@akorn.net

-----Original Message-----
From: Chad Scott <chad@txdirect.net>
To: 'Michael Locke' <mlocke@akorn.net>; Portmaster-users
<portmaster-users@livingston.com>
Date: Tuesday, January 13, 1998 4:26 PM
Subject: RE: (PM) Packet Loss

>On Tuesday, January 13, 1998 2:51 PM, Michael Locke [SMTP:mlocke@akorn.net]
>wrote:
>> Out of the blue a couple of my ISDN customers complained that there
>transfer
>> rates suddenly went in the dumper. I did a ping on each and got a 40%
>> packet loss. I have some connected to a PM3 ComOS 3.7.2 and some
>connected
>> to a PM2. The Bellsouth ISDN lines running into the PM2 seem unaffected.
>> The 2 T1s from MCI that connect to the PM3 are the ones giving me
>trouble.
>> Is there anything else I should check?
>
>Check the "show line0" and "show line1" statistics on the PM3 for errors.
> If there are errors on the physical lines, that can account for the data
>loss to the customer. If the lines look fine, then there are several
>possibilities you can look at. Is connectivity between your gateway router
>and the PM3 ok? Is the ethernet the PM3 is on heavily loaded? If
>everything on your side looks ok the telco switch could be losing data.
>
>Chad Scott
>Network Operations
>Internet Direct, Incorporated
>
>
>

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