• November 24, 2020, 09:54:21 AM
Welcome, Guest. Please login or register. Registration is free.
Did you miss your activation email?

Author Topic: Broadcast between two VLANs  (Read 2891 times)

0 Members and 1 Guest are viewing this topic.

Offline julianjme

  • Rookie
  • **
  • Posts: 1
Broadcast between two VLANs
« on: January 24, 2014, 07:57:08 PM »
Hello. I have a problem, I need to grant communication by broadcast between two or more VLANs. I need to send a message by Broadcast. This Broadcast is UDP, the port is 2145 to 255.255.255.255

Do you know how do I need to configure the Avaya 5520 SWs so I can accomplish this?


Offline Paul L

  • Global Moderator
  • Hero Member
  • *****
  • Posts: 755
    • paulaleroux
    • Paul's Networking blog
Re: Broadcast between two VLANs
« Reply #1 on: January 25, 2014, 09:34:40 AM »
generally broadcasts are confined to a subnet/vlan. Routers and switches won't propagate a broadcast outside of the broadcast domain from which it originated.

perhaps you can tell us what service you are trying to broadcast.
Based on what you are trying to accomplish You might want to look at multicast protocols such as PIM and IGMP.

ACSS- Avaya Enterprise Routing Switch  #8

Offline TankII

  • Hero Member
  • *****
  • Posts: 556
Re: Broadcast between two VLANs
« Reply #2 on: January 27, 2014, 11:27:01 AM »
The only app I know of that communicates that way is GE Patient Monitoring, which required one very large, flat Class B L-2 network to work properly.
Everyone else uses Multicast as it can be managed.
The 8600's have the option on a per-VLAN basis for Directed Broadcasts, which are not enabled by default since version 3.7 code.  I do not know if the 5600 has an equivalent, since we would not allow that behavior on our infrastructure.

TankII