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NEC dTerm ip phone with 3750 network

We have a network built with 3750 stacks. We are now rolling out NEC ip phones to a new building connected through a trunked cross stack etherchannel using 2 - 100mb links.

A problem that I am seeing is that if I plug a laptop into a port on the switch with no phone involved, I ended up seeing some packet loss when pinging from the laptop to a server in the other building or a pc on the local floor. All other offices in this remote building have an ip phone with a pc connected to the pc port. We have a remote PIM here in the remote building.

Switch configs on each port:

switchport access vlan 22

switchport mode access

switchport voice vlan 701

mls qos trust cos

spanning-tree portfast

spanning-tree bpduguard enable

The phone gets the correct ip on the vlan designated voice and the pc gets the correct ip on the data subnet.

1 REPLY
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Re: NEC dTerm ip phone with 3750 network

Hi,

Are you saying you get packet drops locally, between 2 x pc's on the same 3750 switch?

Have you checked show interface for these two ports yet?

Cheers,

Tim.

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