>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?
How about a "sh isdn", "sh line0" and "sh line1". Then if all looks good
there, look at traceroute for routing loops and check your routing
information. Also use MRTG or something to get an idea of the data rate
you are passing, and check for collisions on your ethernet.
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