New answers tagged printer
I am going to make an assumption that your pc's are part of a workgroup and not part of a domain. Netbios broadcasts are not passed on by the router so you aren't going to be able to find this by name. For more information lookup broadcast domains. http://en.wikipedia.org/wiki/Broadcast_domain If you want to be able to look up the printer by name than ...
Router B is not filtering anything, it simply has different IP address. Seems you are connecting one router with another via WAN port. Instead, you could use first router to act as DHCP, and put them under the same IP range. That's it.
Some PC BIOS will have a setting to wake on mouse or keyboard activity. Some will have wake on USB activity. It's possible the printer, recognising PC A, will be interpreted as activity by PC B, and therefore wakes.
Just a thought... have you checked the back of the workstations and power cables to ensure they are not daisy chained? I.e. if booting PC A, the power pack will pass power to PC B and boot it up as well.
Disable WAKE-ON-LAN function in your BIOS/UEFI settings. You can also disable other wakeup triggers like USB, mouse etc
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