cancel
Showing results for 
Search instead for 
Did you mean: 
cancel
4532
Views
12
Helpful
4
Replies

Implementing VoIP with SG300-28P

Hi,

Please I need help.

I want to implement VoIP on my client network, currently the data network is using SG300-28P small business switches for user access.

According to my design the IP Phones (Cisco 9971 and 7942G IP Phones) are to connect to the small business access switches while the user PCs connects to the IP Phones.

My concern is I really don't understand how the small busness switches will advertise the voice VLAN to the IP Phones. I understand that the switches are suppouse to use LLDP/CDP for this but it seems the model I have can only do LLDP. The IP Phones and the PCs connected to them will be recieving IP addresses from an uplink L3 managed switch.

Has anyone done this before?

Can I have an explanation on how LLDP works (particularly regarding this scenario)?

Does it matter if the small business switch is in L2 or L3 mode for the VoIP implementation?

Thanks.

4 Replies 4

Tom Watts
VIP Alumni
VIP Alumni