<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><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>
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<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.131 255.255.255.128<BR> !<BR>interface Vlan20<BR> description ----VOICE VLAN----<BR> ip address a.b.c.129 255.255.255.128</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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