I have a customer that is getting a lot of errors on their router box (it's a dos router)  This is what he gets:

sl0 - NAT in drop: rcvd pkt can't xlat
   udp 208.23.93.4:520 208.23.93.175:520 ( number here )
 
 
ok the sl0 is the serial interface....
 
the NAT is Network Address Translation...
 
the 175 is the address I received from you....
 
the 520 ?????
 
the number here is a changing number some of them are.....   332, 72, 532, 392, 92, 52, 412.... and others...

I took a look at his connection this morning and found the following stats

Transmit speed the modem connected at:   52000(45)
Receive speed the modem connected at   31K(23)
Current transmit link rate   52000(45)
Current receive link rate   31K(23)
Modulation Type Used   v90Digital(34)
Error control type Used   ccittv42(4)
Data Compression Used   ccittv42bis(2)
Equalization Type Used   long(1)
Line Fallback Negotiated   disable(1)
Number of Characters Sent   3902896
Number of Characters Received   262141
Number of Resent blocks   288
HST back Channel speed   bps450(1)
Link Block Errors   388
Link Protocol timeouts   175
Link Speed Fallbacks   106
Link speed Upshifts   0
Number of NAKS Sent   30
Cll durations   10:38:49

I also pinged the IP he was given.  No go.  I haven't found out yet if his box responds to pings.  A monitor ppp shows that he is passing data.  Does anybody have any ideas what this error is and what it means?



--
Brice Ligget
Chief Operations Officer
Two Alpha Net is a complete Internet Service Provider based in Billings Montana.
"Connect to the world"
406 628 1500

http://www.twoalpha.net
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