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тАО12-03-2018 07:14 AM
тАО12-03-2018 07:14 AM
I need to traverse two my own VLANs (ID 1 and 7) through the building's VLAN 2078 and 2079 those are tagged in one cable. Thus, I have to somehow connect 1 to 2078 and 7 to 2079 on the both ends of the building cable.
Can't wrap my mind how to achieve that. The only solution I have is to have tagged 2078 port, untag it to another port and physically connect it to the port on the same switch with untagged VLAN 1 (and the same with 2079 to 7). Not too elegant. I don't see an option to bridge two VLANs within the switch. Once time again, I do not need routing or any other L3 features between VLANs since there is a single, same subnet.
Do I miss something? Please help.
Solved! Go to Solution.
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тАО12-03-2018 09:27 AM
тАО12-03-2018 09:27 AM
SolutionThis is assuming you dont have to pass any other vlans through those ports.
untag vlan 2078 and plug it into untag 1
untag vlan 2079 and plug it into untag 7
Its not elegant by any means and you will need to check spanning tree. Will the 1810 not let you create vlans 2078 and 2079?
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тАО12-04-2018 10:11 AM - edited тАО12-04-2018 10:12 AM
тАО12-04-2018 10:11 AM - edited тАО12-04-2018 10:12 AM
Re: HP 1810 switch - how to connect two VLANs within same subnet?
Finally I did it. It works as advised.
I changed VLAN ID from 7 to 2079 across my network to match my ID with external ID but did the trick with port-to-port cable for 1-to-2078 conversion because I didn't want to hurt my default VLAN 1. The obvious drawback is the loss of two ports in the switch but okay.
Many thanks for advice!