05-25-2012 12:45 PM - edited 03-07-2019 06:54 AM
I have to configure router 2811 for Data and Voice network.
However I have only one FastEthernet interface.
interface FastEthernet0/0
description Connected to LAN
no ip address
ip nat inside
ip virtual-reassembly
ip route-cache flow
duplex auto
speed auto
!
interface FastEthernet0/0.1
description Data Network
encapsulation dot1Q 1 native
ip address 192.168.192.1 255.255.255.0
ip nat inside
ip virtual-reassembly
!
interface FastEthernet0/0.2
description VOIP Network
encapsulation dot1Q 2
ip address 192.168.193.1 255.255.255.0
ip helper-address 192.168.192.75
Again this router is connected with 2950 cisco switch.
Switch port configuration.
interface FastEthernet0/24
description 2811:f0/0
switchport mode trunk
switchport nonegotiate
spanning-tree portfast
Question, what else do I need to configure on switchport on which Avaya phones are connected.
And is there any extra command, i need to configure on the router and 2950 switch.
05-25-2012 01:16 PM
You'll need to create vlan 2 on the 2950. On the ports that phones connect to, you can configure this vlan to be your voice vlan:
int fa0/2
switchport voice vlan 2
switchport access vlan 1
On your dhcp server, you'll need to pass Option 242 to the phones describing the call server's address and the vlan information that you want the phone to pull. You'll need to put the 242 option on the dhcp server that serves your hosts on the data vlan. The hosts don't understand the 242 option, so they just ignore it but the phones will pick it up and reboot on the new vlan 2.
For a Windows server, you'll need to add the 242 string to both the data vlan (reasons above) and the voice vlan.
"MCIPADD=
HTH,
John
05-25-2012 01:50 PM
Thanks for replying.
Vlan 2 is already configured on the Vlan 2950 switch.
I have couple of questions.
First, do I need to configure commands like you mentioned on every switchport, on which Avaya phone is connected. Again workstation will then be connected with Avaya phone.
switchport voice vlan 2
switchport access vlan 1( I believe this is optional)
Again, as we have windows based DHCP server under different team.
Can you please explain again, what needs to be done, as I got confused.
Again,
"MCIPADD=
What does VLANTEST=60 MEAN
05-25-2012 02:03 PM
VLANTEST=60 is the timeout period for getting a dhcp response on the vlan specified.
switchport access vlan 1 was just to show you that you don't have to trunk the port for the phone. So in your case being that your native vlan is 1, it's purely optional and probably won't even show up in the running config. Other than that, you'll want to configure your port in access mode though.
Yes, on every switchport that has a phone. An alternative would be to trunk all ports across the switch and add vlan 2 to the trunk.
05-25-2012 02:07 PM
Hi,
you have to enable mls qos on you switch (global config) and mls qos trust cos on the interfaces with IP phones on them.
assign the interfaces with an ip phone attached to the voice vlan as John instructed you, and if there are work stations connected to the ip phones, the switchport access vlan 1 makes your switch to put DATA traffic in vlan 1 and voice in vlan 2.
for windows DHCP server to serve Avaya phones check this:
http://www.ipofficeassistance.com/HOWTO_DHCP_IP_Phones.html
plz Rate if it helped.
Soroush
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