Re: Hardware question

[Tom Smyth via NANOG <nanog () lists nanog org>]

Folks
Ethernet passthrough devices, that I have seen

are ports 11,12 on the Mikrotik RB1100AH   ,  RB1100AHx2 RB1100AHx4,

and some Axiomtek devices  (Network appliance series can have lan
Passthrough with relays that can be enabled or disabled using  jumper
kits on the mainboard,


integrating them in your network requires careful configuration with
bridges etc...   (normal working vs failsafe working) ...

and 2x the ports per Lan bypass group

Hope this helps

Tom Smyth






On Tue, 24 Jun 2025 at 00:15, David Zimmerman via NANOG
<nanog () lists nanog org> wrote:
> Craig,
>
> I discovered and used Niagara Networks (nee Interface Masters) for a half-decade or so exactly for this purpose — 
> transparent insertion / optical cut-through on power fail, without having to do a passive optical bleed and 
> finger-pointing about light levels.  Also gave me extra diagnostic knobs and visibility for the carrier circuit that 
> was passing through it.
>
> https://www.niagaranetworks.com/products/network-bypass-switch
>
> -dp
>
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> NANOG mailing list
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-- 
Kindest regards,
Tom Smyth.
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