08-31-2020 04:57 AM
Hello,
We are going to migrate to an IP avaya solution
We decided to dedicate a port for PCs, and another port for phones.
Our core switch is VTP server ( stack of 3850). We have created all the vlan on it (20 vlan data, 20 vlan voice).
Each vlan is configured like this:
interface Vlan235
description XXXX
ip address x.x.x.x 255.255.255.0
ip helper-address x.x.x.x
ip helper-address x.x.x.x
ip access-group xxxx in
we have 2 windows DHCP server, and an access-list
cdp is enabled on the core network and the distribution switches
On the DHCP server, we have a sub-network scope, and mac address filtering on each scope. DHCp option 242 is enable, configured and functional.
I have already deployed 10 Avaya IP phones, and it works.
The phones are powered by the poe
The problem is that there are a few offices where there is a lack of network sockets.
I would like to configure ports in voice vlan to use only one socket for some offices.
What is the best solution?
Create (on the VTP server) a new vlan dedicated to this?
SW1(config-vlan)#vlan 235 (If a vlan already exists with this ID, is it important?)
SW1(config-vlan)#name Voice_VLAN
Assign it an IP configuration (like the other existing vlans)
Create on the DHCP server, a new scope, dedicated to this "Voice VLAN"?
Activate LLDP on all my switches( core is 3850 and distribution is 2960-x)? (CDP is already enable, It will not cause a problem for both to be enabled?)
Configure the desired ports on the switch like this:
SW1(config-if-range)#switchport access vlan 230
SW1(config-if-range)#switchport voice vlan 235
08-31-2020 05:18 AM
Hello,
Avaya requires LLDP (open standard), running both CDP and LLDP is no problem. Your approach is correct: create a voice Vlan, and assign both the voice and data Vlans to the same port.
08-31-2020 06:18 AM
Thank you for your help. I will test tomorrow and come back here, if I have a problem.
08-31-2020 07:01 AM
One more thing: make sure the ports are configured with 'spanning-tree portfast' in order for DHCP to work properly.
09-03-2020 12:16 AM
Hello,
I tried the configuration
The cable is connected to the phone, and the phone is connected to the PC
On the PC, it works, I have the network, in the DATA vlan. But the phone not working.
I have activated lldp on all the switches
add mac adresss of the phone on the DHCP SCope ( 235)
#interface GigabitEthernet4/0/2
#description AVAYA ToIP
#switchport access vlan 111 =>DATA
#switchport mode access
#switchport voice vlan 235 => Voip
#srr-queue bandwidth share 10 10 60 20
#queue-set 2
#priority-queue out
#mls qos trust cos
#auto qos voip trust
#spanning-tree portfast
#end
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