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Voice VLAN on GPON OLT

Created: Aug 18, 2020 15:28:02Latest reply: Feb 11, 2021 18:01:11 993 8 0 0 0
  Rewarded HiCoins: 1 (problem resolved)

I have OLT (EA5801-GP08), ONU (EA5821 24 Ports) and ONT (EG8280P).


There are Voice (vlan 21) +Data(vlan 11) ports across the network. The following configuration is working fine only if the customer assign VLAN 21 on the phone set otherwise it doesn't work. LLDP is enabled on ONU and also on individual ports but without defining VLAN 21 on the phone set it doesn't tag the frames with VLAN 21.


ONU Config:

vlan 21 smart

 service-port 14 vlan 11 eth 0/1/3 multi-service user-vlan untagged tag-transform default inbound traffic-table index 6 outbound traffic-table index 6
 service-port 15 vlan 21 eth 0/1/3 multi-service user-vlan 21 tag-transform translate inbound traffic-table index 6 outbound traffic-table index 6


OLT Config:

vlan 21 smart

 service-port 20 vlan 21 gpon 0/1/2 ont 4 gemport 2 multi-service user-vlan 21 tag-transform translate inbound traffic-table index 21 outbound traffic-table index 21


I just want to know if there is any concept of Voice VLAN in GPON OLT just like we have it in Switching platforms i.e. voice-vlan? Or if there is any other way to solve this problem that customer doesn't have to specify VLAN 21 on each phone because when they connect the same phone without assigning any VLAN on a cisco switch with voice-vlan 21 enables then it automatically takes the phone to VLAN 21 and the PC to VLAN 11. 




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Gustavo.HdezF
Admin Created Aug 18, 2020 22:52:42

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Hi Everyone, just to mention I haven't found a solution of my problem. The link provided above is talking about the proxy arp. As I mentioned in the problem this is pure layer 2 network. When I connect the phone to a port where both Data and Voice VLANs are present then the phone should learn the Voice VLAN via LLDP. Unfortunately, there is no parameter in lldp config to define voice vlan either on ONU or on the OLT for ONT configuration.
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Hmm. this is a interesting case, with in the S5700 you configure the voice-vlan and the switch is advertising this to the client devices within LLDP with an extra TLV.
But indeed, how is this done with the OLT/ONT?

Following this issue on the outcome...

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Posted by NielsWegen at 2020-09-14 12:24 Hmm. this is a interesting case, with in the S5700 you configure the voice-vlan and the switch is ad ...
Dear friend!
The voice VLAN applies to the ONU with a Pose port. On the ONU, you need to configure the related voice protocol parameters such as SIP and H.248 VoIP. If only Ethernet ports are configured, the ONU supports transparent transmission of voice services. Your configuration is correct.

Thanks!
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So here is the solution. Just in case someone is stuck in the same scenario. You don't have to assign VLAN on the phone and just out of the box IP Phone works.

[lldp-config]
<lldp-config>
lldp enable
lldp enable port 0/1/3
lldp tlv-enable dot3-tlv mac-physic port 0/1/3
lldp tlv-enable med-tlv capability port 0/1/3
lldp tlv-enable med-tlv inventory port 0/1/3
lldp tlv-enable med-tlv network-policy media untagged port 0/1/3
lldp tlv-enable med-tlv network-policy signaling 21 port 0/1/3


=======

#display lldp neighbor port 0/1/3
Port 0 /1 /3 has 1 neighbor(s)

ChassisId subtype : networkAddress
ChassisId : xxxxxxxxx
PortId subtype : macAddress
PortId : 6416-7f9d-xxxx
Port description : 1
System name : Polycom VVX 501
System description : Polycom;VVX-VVX_501;3111-48500-001,1;SIP/6.1.
1.2670/23-Nov-19 02:53;UP/6.1.1.2644/23-Nov-1
9 03:18;
System capabilities supported : bridge, telephone
System capabilities enabled : telephone
Management address : ipV4: xxxxxxxxxx
Expired time : 120s

MED system information
Device class : Endpoint Class III
Hardware revision : 3111-48500-001,1
Firmware revision : UP/6.1.1.2644/23-Nov-19 03:18
Software revision : SIP/6.1.1.2670/23-Nov-19 02:53
Serial number : 000000000
Manufacturer name : Polycom
Model name : VVX-VVX_501
Asset ID : -

Auto-negotiation supported : Supported
Auto-negotiation enabled : Enabled
Operational MAU type : 1000BASE-T full duplex mode

Application type : Voice
Unknown policy : Defined
VLAN tagged : Tagged
VLAN ID : 21
802.1p priority : 5
Dscp : 46

Application type : Voice Signaling
Unknown policy : Defined
VLAN tagged : Tagged
VLAN ID : 21
802.1p priority : 5
Dscp : 26
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liqiang185
liqiang185 Created Sep 17, 2020 06:15:02 (0) (0)
Thank you for sharing.  
yessssssss
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