Thanks (earlier I thanked Christian directly), but I wanted to add that the sketch he drew (below) does correctly reflect the intended LAN configuration.
On Tuesday, December 31, 2019 08:28:03 AM Christian Seiler wrote: > Hi there, > > Am 2019-12-31 14:03, schrieb rhkra...@gmail.com: > > I'm about to recommend that he get a 10/100 5 port Ethernet switch to > > connect > > to the two cameras and then a short cat5 (or better) Ethernet cable to > > connect > > from the switch to the router. > > > > I'm abouit 99.9% sure that using such a switch will not slow down any > > other > > parts of his network, but I don't want to mislead him. > > I assume you want to do the following? > > +---------- Other device (Gbit) > > | (100 MBit) > > Router ----------------- Switch > > | / | \ > | > | / | \ > | > | Camera A | (potentially more in the future) > | > | Camera B > > +------------ Other device (GBit) > > > How much peak bandwidth are the cameras going to use simultaneously? > > If both cameras won't ever use more than 100MBit/s _combined_ > (either because they only use the bandwidth at different times OR > they only actually use 50MBit/s or less anyway), then this > configuration will be fine. Otherwise I wouldn't recommend this > setup. (Also consider the future-proofing of this setup, even if > you only add more 100MBit/s devices, because once you connect all > 4 switch ports, all of these devices combined will share only a > single 100MBit/s link to the router.) > > > Am I missing anything? > > Do you (or he) still have a 100MBit/s switch lying around so it > doesn't cost you anything? If so this will be fine. Otherwise I don't > see the point in buying a 100MBit/s switch -- I don't know about the > US, but here in Germany I can get a 5 port Gigabit switch for the > equivalent of ~ 20$, and that includes a VAT that is more than twice > that of the typical sales tax in the US. Heck, I can get an 8port > Gigabit switch for the equivalent of ~ 25$. Sure, I can get a > 100MBit/s switch for ~ 10$, but unless I want to deploy 100s of > these, I don't see the point in saving this small amount of money; > especially since a Gigabit switch will likely still be something > useful in 10 years once your brother completely changes his current > setup, but a 100MBit/s switch might not be. > > Regards, > Christian