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EAGLE 20, MACH 4000 Family MACH 1000 Family MACH 100 Family MACH 4002 Family MACH104 Family Full Gigabit MACH or MICE ), you need the IP of your router, the username and router password. Make sure and toggle this to Shared VLAN Learning when implementing Overlapping VLANs.To get access to every router of Hirschmann (e.g. Below is a screenshot from the Hirschmann RS20 pictured demonstrating the default setting is Independent VLAN Learning. The switch also needs to support Shared VLAN Learning mode. Until next time…Ī LinkedIn commenter (Thanks Sever!) reminded of one more setting beyond above that needs to be available and potentially toggled from default for proper operation of the Overlapping VLAN concept. Is it a nice additional tool to have in the belt when you don’t have a firewall or ACLs to help - YES! If you’ve got a need like the original one presented here and would like to talk through options on how to tackle it, give us a shout.
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So are Overlapping VLANs something you will use every day? Probably not. From a broadcast domain perspective the PLC is in the broadcast domain of VLAN 1 (original network) and VLAN 3 (VFD network) but VLAN 1 and VLAN 3 are broadcast-isolated from each other. Note as defined above VLAN 4 overlaps all the physical ports. The results of all above configuration is exactly what the customer asked for: the Server can communicate to the Micro850, the Micro850 can communicate to the VFDs, but the Server and VFDs cannot communicate.
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