1 in 6 packet drop to UCM6.0 Business Edition

Unanswered Question
Sep 18th, 2007

I am pinging from a gw on the same subnet and am seeing 1 in every 6 packets being dropped. Eg

#p ip

Target IP address:

Repeat count [5]: 200

Datagram size [100]:

Timeout in seconds [2]:

Extended commands [n]:

Sweep range of sizes [n]:

Type escape sequence to abort.

Sending 200, 100-byte ICMP Echos to, timeout is 2 seconds:




Success rate is 83 percent (167/200), round-trip min/avg/max = 1/1/4 ms

Is this a DoS protection like you see to a phone? Can't find any docs anywhere


I have this problem too.
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shane.orr Mon, 09/24/2007 - 11:35

Did you every figure this out. I have the same thing on CM 5.1 or does anyone have any idea whether this is normal or not?

shane.orr Fri, 09/28/2007 - 13:04

well being that this is normal behaviour for most cisco phones these days for denial of service I am going to chalk it up to normal.


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