[cisco-voip] Does callmanager 5.1 block pings?

[Nick Griffin]

ICMP Dos prevention, the phones do the same thing.

On Mon, Nov 10, 2008 at 9:19 AM, Jason Roysdon <
cisco-voip.20081105 at jason.roysdon.net> wrote:

> While I've never seen it documented, yes, it is "normal" (but typically
> system abnormal) behavior that I've experienced as well.
>
> Adam Blomfield wrote:
> > Sorry to drag up an old thread, but I'm curious about this one. I have
> > just ran across this exact same ping symptoms as shown below - four
> > successful pings followed by one fail. I can replicate this on four
> > separate clusters 100% of the time. In all cases I was pinging the CUCM
> > from the default gateway (Catalyst switch). Is this expected behavior?
> >
> > -Adam
> >
> > On Fri, Feb 15, 2008 at 11:02 AM, Jonathan Charles <jonvoip at gmail.com
> > <mailto:jonvoip at gmail.com>> wrote:
> >
> >     I am having voice quality issues (dropped packets), and when I ping
> >     CCM, I get the following results:
> >
> >
> >     VH-4507#ping 192.168.1.1 <http://192.168.1.1> repeat 50
> >
> >     Type escape sequence to abort.
> >     Sending 50, 100-byte ICMP Echos to 192.168.1.1 <http://192.168.1.1>,
> >     timeout is 2 seconds:
> >     !!!!!.!!!!!.!!!!!.!!!!!.!!!!!.!!!!!.!!!!!.!!!!!.!!
> >     Success rate is 84 percent (42/50), round-trip min/avg/max = 1/1/4 ms
> >     VH-4507#
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> >
> >
> >
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