According to Clark's Cisco LAN Switching(page 452 ), layer 3 switching techniques can be grouped into two categories: Routing switches Switching routers
mlh ----- Original Message ----- From: "Larry Letterman" To: Sent: Friday, March 15, 2002 2:48 AM Subject: RE: Layer 3 switch ? [7:38358] > A true router, 2621/3640/7200, is not usually considered > a L3 switch. A 6500 with an MSFC module installed can be > is a L3 switch and will perform L2/L3 routing and switching. > > A 6500 without the MSFC module is just a large high speed switch, > capable of only L2 switching. > > A layer 3 switch usually routes the first packet in the flow of data > and then switches the rest in the switching hardware. This is why L3 > routing/switching is quite a bit faster. A traditional router will use > IOS software to determine routes and the switch each packet between the > interfaces in the router. > > > Larry Letterman > Cisco Systems > [EMAIL PROTECTED] > > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of > John Green > Sent: Thursday, March 14, 2002 10:50 PM > To: [EMAIL PROTECTED] > Subject: Layer 3 switch ? [7:38358] > > > Is it ok to refer to a "router" as a Layer 3 switch ? > > cisco 6500 was referred to as a Layer 3 switch. > > question: does it(6500) have routing capabilities ? > ----------------------------------------------------- > > to connect to different vlans one needs a router. > right ?? (as shown below) > switchA --------ROUTER-------switchB > > but say some nodes connected to switchB are on the > vlan of switchA. so now to connect switchA and switchB > can router be ok ? > ------------------------------------------------------ > > __________________________________________________ > Do You Yahoo!? > Yahoo! Sports - live college hoops coverage > http://sports.yahoo.com/ Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=38407&t=38358 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
