Is the router a collision domain?

joe979

Its a multiple broadcast domain, but is the router also a collision domain?

Thanks,
Joe

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Binary Freak

joe979 wrote: »

Its a multiple broadcast domain, but is the router also a collision domain?

Thanks,
Joe

No, the router itself doesn't have a collision domain. A router only creates multiple broadcast domains.

-Binary Freak

no!all!

As Binary Freak said routers break up broadcast domains and swicthes break up collision domains. Remember, by default, routers don't forward broadcasts.

sys_teck

Hi no!all!

I have noticed you are from Baltimore, what area?

markulous

I'm pretty sure each port on a router is also its own collision domain. Typically though in tests, routers are used to separate broadcast domains and switches create more collision domains.

Adam B

Routers separate both Collision and Broadcast Domains by default, Switches separate collision domains by default, with vlans also separating broadcasts.

This is a good thread on the learning network I'd recommend looking through, lots of helpful information for ya

https://learningnetwork.cisco.com/thread/1734