Created on
12-06-2022
07:15 AM
Edited on
12-06-2022
07:21 AM
By
Jean-Philippe_P
Description | This article explains the scenario, in the FortiGate firewall where the client is located in one VLAN and the phone server is located in another VLAN. |
Scope | FortiOS. |
Solution |
While making a call from the client to the server, the user could not hear audio. There is already a configured VLAN to VLAN multicast policy but for some reason, it is not working.
As per this scenario, there is already configured multi-cast policy. Make these changes in the firewall and check.
To prevent the TTL for forwarded packets from being changed:
# config system setting
To enable multicast forwarding in NAT mode:
Related document: |