Confirmed, the phone is designed to respond to only a few pings per time period to prevent DoS on the phones...<br><br>IOW, this is by design and a good thing.<br><br><br><br>Jonathan<br><br><div><span class="gmail_quote">
On 12/9/06, <b class="gmail_sendername">Lelio Fulgenzi</b> <<a href="mailto:lelio@uoguelph.ca">lelio@uoguelph.ca</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div bgcolor="#ffffff">
<div><font face="Arial" size="2">I believe the phone is programmed to drop every
other ping packet, so less than 100% success on a ping is normal.</font></div>
<div> </div>
<blockquote style="border-left: 2px solid rgb(0, 0, 0); padding-right: 0px; padding-left: 5px; margin-left: 5px; margin-right: 0px;"><div><span class="e" id="q_10f695b064967997_1">
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">----- Original Message ----- </div>
<div style="background: rgb(228, 228, 228) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">
<b>From:</b>
<a title="gokhanciscottl@yahoo.com" href="mailto:gokhanciscottl@yahoo.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">gokhan senol</a> </div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"><b>To:</b> <a title="cisco-voip@puck.nether.net" href="mailto:cisco-voip@puck.nether.net" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
cisco-voip@puck.nether.net</a> </div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"><b>Sent:</b> Saturday, December 09, 2006 2:53
PM</div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"><b>Subject:</b> [cisco-voip] 3750 switch loses
packets when pinging ip phones</div>
<div><br></div>
<div style="font-size: 12pt; font-family: times new roman,new york,times,serif;">
<p>Hi</p>
<p> </p>
<p>i got 3750 switch and 7940 and 7960 ip phones.</p>
<p>when i trp to ping ip phone from switch i lost lots of the packets. and
this prevents ip phone registration to CCM.</p>
<p>c3750-ipbase-mz.122-25.SEB2.bin</p>
<p> </p>
<p>ip phone ip address is a.b.c.155</p>
<p> </p>
<p>thats the config</p>
<p> </p>
<p>interface FastEthernet1/0/2<br> switchport mode
access<br> switchport voice vlan 20<br> spanning-tree portfast</p>
<p> </p>
<p> </p>
<p>interface Vlan1<br> no ip address<br>!<br>interface
Vlan10<br> description ----DATA VLAN----<br> ip address x.y.z.131
<a href="http://255.255.255.128" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">255.255.255.128</a><br> !<br>interface Vlan20<br> description ----VOICE
VLAN----<br> ip address a.b.c.129 <a href="http://255.255.255.128" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">255.255.255.128</a></p>
<p> </p>
<p>i tried 3 phones and changed the cable but the problem is still going
on.</p>
<p>anyone has any idea</p>
<p> </p>
<p>thknx<br></p></div><br>
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