Question on EtherChannels
I had a question regarding link-aggregation technology such as EtherChannels. I've been receiving conflicting information regarding this so any help to clear up the confusion would be much appreciated. The question is this: Does bundling the ports also aggregate the total bandwidth available to me? In other words, were I to bundle four fastethernet links at 100mb/sec would I be able to send out of that interface at speeds close to 400mb/sec? Or is link-aggregation strictly done for redundancy and spanning-tree purposes? I've heard different things from different sources, and I've also noticed that when you go on a switch and create a port-channel on four different fastethernet ports, issuing a show interface port-channel 1 commands still shows the total bandwidth on that link to be 100mb/sec.
Any help on this is appreciated. Thanks!