On Thu, 5 Oct 2000, NetEng wrote:
> I understand the layer3 switching concept, but what happens to broadcast
> based services? On a 24 port layer3 switch module are there 24
> collision/broadcast domains?
Collision, yes. Broadcast, it depends on whether the 24 ports are all in
different VLANs.
Layer 3 switches are really layer up-to-three switches. And with trunking,
a broadcast domain can span multiple switches on some ports, yet other ports
on the same switches be in different broadcast domains. This is true with
conventional (layer 2) switches with 802.1q or ISL capability as well. With
layer 2 switches, the ports in different VLANs (and thus broadcast domains)
can't communicate without a router in the picture. Layer 3 switches provide
the routing functionality in the switch hardware.
--
Jay Hennigan - Network Administration - [EMAIL PROTECTED]
NetLojix Communications, Inc. NASDAQ: NETX - http://www.netlojix.com/
WestNet: Connecting you to the planet. 805 884-6323
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