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What is inter-tunnel-bridging good for under WiNG configuration?

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TitleWhat is inter-tunnel-bridging good for under WiNG configuration?
Question
What does inter-tunnel-bridging do and how it affects traffic in WiNG based network?
Environment
  • All Summit WM3000 Series Controllers
  • ExtremeWiNG Controllers
  • WirelessWiNG Controllers
  • ExtremeWiNG Access Points
  • WirelessWiNG Acess Points
  • WiNG 5 Software
Answer
There are two possible use of inter-tunnel-bridging:
  • MINT inter-tunnel-bridging
This feature enables forwarding of broadcast-multicast (BCMC) packets between devices communicating via Level 2 MiNT links. 
When enabled, MiNT tunnels across Level 2,adopted access points are bridged. One of the advantages of inter-tunnel bridging
is the enabling of roaming between these access points. This option is disabled by default.
If enabling this option, use ACLs to filter unwanted BCMC traffic.
 
  • L2TPv3 inter-tunnel-bridging
This use case enables inter tunnel bridging of packets between interfaces. 
If a VLAN is bridged in device profile / configuration, using inter-tunnel-bridging you will connect it between L2T and all physical interfaces assigned with affected VLAN.
This option is disabled by default.

Be careful not to create a network loop by over-using this option. Inter-tunnel bridging should be used only at one end of the tunnel.
Additional notes

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