Putting a Laptop into the Voice VLAN!!!?

[JayD77]

Hi,

I have 2 VLANs in my Network, one for Data and one for Voice. All PCs(Data) are connected to IP-Phoones(Voice) which in turn are conneected to the Switch. PCs resides on one Subnet and IP-Phones reside on the other.
What i want to know is how i can connect a Laptop to be in the same subnet as the IP-Phones. So i can make some troubleshooting. Two different DHCP server are used.
Should i give him a static IP Adress? or just making a new IP lease in the DHCP server? Do the switch need to be configured for this? Im using Cisco Harware.

Thank you

 

[paterson]

STATICLY ASSIGN VOICE VLAN TO THE PC NIC CARD - there are not a lot of nic cards that will do this, but there are some. I have one for my laptop to accomplish exactly what you are asking. Once the VLAN ID is on the NIC card, it will request a DHCP address from that VLAN.

 

[biv343]

Why not just set the native VLAN on the port in question to the voice VLAN?

 

[JayD77]

Thanks both,
@paterson
I cant configure a VOICE VLAN ID on my NIC
@biv343
Can i just unplug the Cable from one of the IP-Phones, wait for a while(because of Inline Power) and then plug it on my Laptop, having assigned to the laptop one of the IP-Addresses in the same subnet as the IP-Phones? will this work`?

 

[biv343]

Should work fine. You shouldn't need to wait any length of time at all - you can plug a PC into a POE port and it won't damage anything.

 

[JayD77]

Hi biv,

Well Cisco recommend waiting 10sec,

quote:

Caution The computer’s network card cannot receive power through the network connection; if power comes through the connection, the network card can be destroyed. To protect a network card, wait 10 seconds or longer after unplugging the cable from the phone before plugging it into a computer. This delay gives the switch enough time to recognize that there is no longer a phone on the line and to stop providing power to the cable.

qoute end.

however, i assigned my Laptop a static IP but it didnt work. I cant ping anything on the subnet.

Thanks

 

[jpm121]

How about forcing the port on the Cisco switch to your voice vlan?

int fa0/20
switchport access vlan 2


This works fine for my laptop, along with a static IP address in the voice vlan subnet.