What might be better is using a switch port mirror to duplicate the traffic on one port to your appliance. This way if your appliance fails, it doesn't block traffic.
If you don't want a span port, Open flow / sFlow might give you what you need. Josh R On Mon, Jun 23, 2025, 7:34 AM Craig Smith via NANOG <[email protected]> wrote: > Hello, > > Is anyone out there aware of a fail safe switch/router/1U server where upon > power failure or watchdog event 2 ports would fail to pass through > data, but could also be assigned an IP address and act as a bridge in > "normal" mode? The desire is to have an appliance that could perform > monitoring and send telemetry in between a customer device and an Internet > connection but not create a single point of failure or require multiple ISP > handoffs. > > Best, > > Craig > _______________________________________________ > NANOG mailing list > > https://lists.nanog.org/archives/list/[email protected]/message/Y7JZATLRDCXOHWBH7NFGAQNSVJW2YTJA/ > _______________________________________________ NANOG mailing list https://lists.nanog.org/archives/list/[email protected]/message/YS7H2UW3BBKDLSFT2UOAJA6IH3HSNXBG/
