Ethernet Switches & Routers

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New Contributor
Posts: 2
Registered: ‎05-17-2014

6430 voice vlan configuration

Hello

 

I am trying to configure a 6430 for voice and data traffic but something is just not working.

I want to use LLDP-MED for auto-VLAN assignment

The switch is connecting to a cisco router with the same VLANs configured from port 1/1/24.

The DHCP for Voice is different from the Data one and both outside the LAN

IP-Helper configured on the router interface.

The problem is that neither a phone nor a PC will get an IP address. (static IP on the pc will not work either)

When the voice VLAN in moved to the native-VLAN on the router the phones connect.

 

The configuration i am using is

 

Current configuration:
!
ver 08.0.10c1T311
!
stack unit 1
  module 1 icx6430-24p-poe-port-management-module
  module 2 icx6430-sfp-4port-4g-module
!
!
!
!
vlan 1 name DEFAULT-VLAN by port
!
vlan 59 name Voice by port
 tagged ethe 1/1/1 to 1/1/24
 spanning-tree priority 65535
 loop-detection
!
vlan 67 name Data by port
 tagged ethe 1/1/1 to 1/1/24
 spanning-tree priority 65535
 loop-detection
!
!
!
!
no ip dhcp-client enable
!
cdp run
!
!
interface ethernet 1/1/1
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/2
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/3
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/4
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/5
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/6
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/7
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/8
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/9
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/10
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/11
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/12
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/13
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/14
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/15
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/16
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/17
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/18
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/19
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/20
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/21
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/22
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/23
 dual-mode  67
 voice-vlan 59
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
interface ethernet 1/1/24
 broadcast limit 8192
 multicast limit
 unknown-unicast limit
!
!
!
!
lldp med network-policy application voice tagged vlan 59 priority 6 dscp 46 ports ethe 1/1/1 to 1/1/24
lldp run
!
!
!
!
end

 

Any ideas what might be wrong or how to make it work?

Also tried making port 1/1/24 a dual port and also configured it as an uplink.

 

Contributor
Posts: 23
Registered: ‎03-04-2014

Re: 6430 voice vlan configuration

Hi 

I was having the same sort of behavior but with Avaya phone and this is the working config we finally used upon Avaya advices

 

lldp tagged-packets process
lldp med network-policy application voice tagged vlan 300 priority 6 dscp 46 ports ethe 1/1/1 to 1/1/24 ethe 1/2/2 ethe 1/2/4 ethe 2/1/1 to 2/1/24 ethe 2/2/4
lldp advertise vlan-name vlan 100 ports ethe 1/1/1 to 1/1/24 ethe 1/2/2 ethe 1/2/4 ethe 2/1/1 to 2/1/24 ethe 2/2/4
lldp advertise vlan-name vlan 300 ports ethe 1/1/1 to 1/1/24 ethe 1/2/2 ethe 1/2/4 ethe 2/1/1 to 2/1/24 ethe 2/2/4
lldp run

 

1 - Try configure a default gateway in your data vlan 

vlan 100 name HBS_Data by port
tagged ethe 1/1/1 to 1/1/24 ethe 1/2/2 ethe 2/1/1 to 2/1/24 ethe 2/2/2
default-gateway x.x.x.x

 

2 - This is the template I used on voip access port

 

interface ethernet 2/1/24
dual-mode 100
spanning-tree 802-1w admin-edge-port
voice-vlan 300
broadcast limit 8192
stp-bpdu-guard
trust dscp

 

May be you can also do a wireshark trace to see where the dhcp lease is broken

 

 

rgds

Da

 

New Contributor
Posts: 2
Registered: ‎05-17-2014

Re: 6430 voice vlan configuration

(I need to make phones and PC work from the same port so i can connect them in-line)

 

Thank you DA,

 

i will try the lldp tagged-pacet processand lldp advertise vlan-name vlan commands and see how it goes as at the moment it seems that packets leaving the switch are not tagged(????).

 

if i give a default-gateway under a vlan, will it not be assigned globally?

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