I cannot agree that bridges are often described as multi-port repeaters. Actually, hubs are multi-port repeaters.
----- Original Message ----- From: "Kevin Cullimore" To: Sent: Monday, February 25, 2002 5:34 AM Subject: Re: How does repeater work? [7:36323] > The classical repeater as described in the first couple of chapters of > nearly every networking/internetworking technologies survey is a little > before my time, but here are some thoughts: > > -bridges are often described as multi-port repeaters, leaving the impression > that mere repeaters have but a single port (please note, that the coinage > described might involve distinguishing ingress from egress ports, but that's > hardly clear to the uninitiated). I suppose that an argument might be made > to lend legitimacy to the practice of contrasting the prefix multi with > something other than a term specifically denoting "one" or "single", but I'm > not sure how relevant that will turn out to be as time erodes those cases > without corroborating evidence. > > -to the extent that the purpose of the repeater is to extend a LAN, one > might picture a device with two cables (or other data-traversing-friendly > media) attached: one connected to the original network, one connected to the > extension. I'm honestly not sure how else it would function. > > -to the extent that the characterization i've provided is accurate, it might > be useful to apply bridging concepts in order to discern the functionality > of the repeater. A bridge accepts packets on a given port and, by charter, > does NOT transmit replicas of those packets on the same (ingress) port. I > therefore picture a repeater as a device that has 2 connections: one to the > original network, one to the LAN extension. If this is the case, I would > presume that the relevant functionality is to perpetuate packets received on > one port to the other. If that is the case, the repeater cannot be said to > create a loop. Note: if a loop already exists, the repeater would perpetuate > that condition, by design. > > All: as I mentioned, repeaters ceased to be relevant before my time. If > anyone knows differently about the topics I've alluded to, please post your > dissenting statement. > > Thanks, > > > ----- Original Message ----- > From: "mlh" > To: > Sent: Saturday, February 23, 2002 3:18 PM > Subject: How does repeater work? [7:36323] > > > > Could anybody tell me how repeaters work ? I don't understand how repeater > > can regenerate > > the two-way signals from both segment connected to the repeater. Isn't it > > forming a loop? > > Pls forgive me asking the stupid question. > > > > Thanks in advance. > > > > mlh Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=36395&t=36323 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
