Rocky Smolin - Beach Access Software
bchacc at san.rr.com
Fri Oct 31 18:54:34 CST 2003
Got it. I think. Switch can route packet based on IP address but can't generate an IP address. Yes? Rocky Rocky ----- Original Message ----- From: "Frank Tanner III" <pctech at mybellybutton.com> To: "Access Developers discussion and problem solving" <accessd at databaseadvisors.com> Sent: Friday, October 31, 2003 10:29 AM Subject: Re: [AccessD] OT: Wireless network (sort of) > It is sort of half-way, but not really. > > Switches are a "generation" better. Hubs and > switches, on their most basic level perform the same > function. They distribute network traffic. But HOW > they distribute that traffic is fundimentally > different. > > Unless they're one of the newer layer 3 or layer 4 > switches, they cannot perform routing functions. They > just hand packets off from point A to point B. Think > of them as sort of a postman. They have an address > for each device on the network and they hand off each > piece of mail to the appropriate address. A hub, > using this sama analagy would deliver the same piece > of mail to every house and the one that it belonged to > would be the one that actually reads it. > > --- Rocky Smolin - Beach Access Software > <bchacc at san.rr.com> wrote: > > "but it's as close as I could think of without > > getting too technical." > > > > Thank you. Much appreciated. So a switch is like > > halfway between a hub and > > a router? > > > > Rocky > > > > ----- Original Message ----- > > From: "Frank Tanner III" <pctech at mybellybutton.com> > > To: "Access Developers discussion and problem > > solving" > > <accessd at databaseadvisors.com> > > Sent: Friday, October 31, 2003 7:36 AM > > Subject: Re: [AccessD] OT: Wireless network (sort > > of) > > > > > > > A router and a switch are fundimentall different > > > things. > > > > > > A router does just that. It routes network > > traffic. > > > > > > A switch plays "traffic cop" for a network. > > > > > > Newer switches, especially the layer 3 and layer 4 > > > ones can perform both functions.This isn't an > > exact > > > definition, but it's as close as I could think of > > > without getting too technical. > > > > > > --- Rocky Smolin - Beach Access Software > > > <bchacc at san.rr.com> wrote: > > > > Is there a difference between a switch and a > > router? > > > > > > > > Rocky > > > > > > > > ----- Original Message ----- > > > > From: "Frank Tanner III" > > <pctech at mybellybutton.com> > > > > To: "Access Developers discussion and problem > > > > solving" > > > > <accessd at databaseadvisors.com> > > > > Sent: Friday, October 31, 2003 6:54 AM > > > > Subject: RE: [AccessD] OT: Wireless network > > (sort > > > > of) > > > > > > > > > > > > > I recommend "hardwiring" the IP address of any > > > > device > > > > > or server connected to your LAN that's not a > > > > > workstation and is virtually always on. > > > > > > > > > > For the price, I would also highly recommend > > > > removing > > > > > all hubs from your network and using them as > > > > > doorstops. Switches have come way down in > > price > > > > and > > > > > have many benifits over hubs. > > > > > > > > > > Hubs divide the bandwidth across all ports. > > Thus > > > > if > > > > > you have an 8-port 10-BaseT hub, all ports > > that > > > > are > > > > > processing data split that 10Mbit. A switch, > > each > > > > > port gets the fill bandwidth. > > > > > > > > > > That's not including the security issues > > inherent > > > > with > > > > > hubs as they broadcast all available data to > > all > > > > > available ports rather than to the proper > > > > destination > > > > > port. > > > > > > > > > > --- John Colby <jcolby at colbyconsulting.com> > > wrote: > > > > > > Yes, you can indeed daisy chain routers and > > > > > > SUPPOSEDLY hubs, though I had no > > > > > > joy doing that with my old hub. I am > > however > > > > daisy > > > > > > chaining my old 4 port > > > > > > router off of my new 4 port wireless router. > > > > The > > > > > > newer models even figure > > > > > > out what kind of cable you are using, > > crossover > > > > or > > > > > > regular. The biggest > > > > > > issue there was that the router was the dhcp > > > > server > > > > > > so I had to turn off the > > > > > > old as a dhcp server and turn on the new. I > > > > also > > > > > > hardwired the address of > > > > > > the old router to 192.168.1.2. Daisy > > Chaining > > > > two 4 > > > > > > port routers isn't a > > > > > > panacea however since you now end up using > > two > > > > ports > > > > > > just for the daisy > > > > > > chain and have 6 left. In my case though I > > also > > > > > > have a wireless so I can > > > > > > get my laptop in through that and could also > > get > > > > > > other computers in if > > > > > > needed. > > > > > > > > > > > > I have an old model I TIVO which I modded to > > use > > > > the > > > > > > internet to "call in" > > > > > > for programming. I had to snake a cable > > down > > > > the > > > > > > wall from the living room > > > > > > (luckily exactly over my office in the > > > > basement). I > > > > > > understand that the > > > > > > model II has USB ports that can > > automatically > > > > use > > > > > > the USB wireless cards to > > > > > > connect to the internet. > > > > > > > > > > > > John W. Colby > > > > > > www.colbyconsulting.com > > > > > > > > > > > > -----Original Message----- > > > > > > From: accessd-bounces at databaseadvisors.com > > > > > > > > [mailto:accessd-bounces at databaseadvisors.com]On > > > > > > Behalf Of Rocky Smolin - > > > > > > Beach Access Software > > > > > > Sent: Friday, October 31, 2003 8:33 AM > > > > > > To: Access Developers discussion and problem > > > > solving > > > > > > Subject: Re: [AccessD] OT: Wireless network > > > > (sort > > > > > > of) > > > > > > > > > > > > > > > > > > John: > > > > > > > > > > > > I heard that you can daisy chain hubs off > > one of > > > > the > > > > > > ports on your router to > > > > > > get more ports and that you can go up to 255 > > > > devices > > > > > > from one router this > > > > > > way. Seems to easy and cheap, though. > > > > > > > > > > > > I've also found that when creating a new > > network > > > > it > > > > > > sometimes takes a few > > > > > > minutes for the different shared devices to > > > > 'see' > > > > > > each other - especially on > > > > > > the wireless. So I'll whang around > > frustrated > > > > > > trying to get the network to > > > > > > work and then have the same experience you > > had - > > > > > > after a few minutes, > > > > > > suddenly the other machines are in my > > network > > > > > > neighborhood. Go figure. > > > > > > > > > > > > Rocky > > > > > > > > > > > > ----- Original Message ----- > > > > > > From: "John Colby" > > <jcolby at colbyconsulting.com> > > > > > > To: "Database Advisors Inc. (Tech)" > > > > > > <Dba-Tech at databaseadvisors.com>; > > > > > > "AccessD" <AccessD at databaseadvisors.com> > > > > > > Sent: Thursday, October 30, 2003 5:39 PM > > > > > > Subject: [AccessD] OT: Wireless network > > (sort > > > > of) > > > > > > > > > > > > > > > > > > > I ordered a Netgear MR814v2 Wireless > > router a > > > > > > couple of weeks ago. I > > > > > > needed > > > === message truncated === > > _______________________________________________ > AccessD mailing list > AccessD at databaseadvisors.com > http://databaseadvisors.com/mailman/listinfo/accessd > Website: http://www.databaseadvisors.com >