[mythtv-users] Way out idea on watchingsame thinginmultiplerooms
gull at gull.us
Thu Jan 7 19:37:45 UTC 2010
On Jan 7, 2010, at 11:33 AM, Johnny wrote:
> Actually I think the distinction between a router and a switch is a
> router can do NAT, which isn't what you need/want here.
Traditionally, routers worked on Layer 3, making decisions based on IP
addresses. Switches worked on Layer 2, making decisions based
strictly on MAC addresses. This has become a bit blurred over the
years, but your average $20 desktop switch is a Layer 2 device.
NAT *is* the job of routers, because it works in Layer 3, but a device
doesn't have to do NAT to be a router.
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