RE: ccna question [7:15958]
much as I hate to pass this one, because every response will hit the moderator's queue (braindump is a forbidden word), I thought this an honest question and that you were entitled to an answer. 80/20 or 70/30 what? are you referring to the old "80 percent of your LAN traffic should be local, and 20 percent should be non-local" rule of good design? I haven't seen the recent Cisco study materials, but from other reading, I believe that current theory is that you can't go by this rule any longer. Internet access, shared services, centralized server farms, intranets, all have kinda blown all this local traffic versus non-local traffic percentages by the wayside. to transform a phrase of Brian Eno's - the one Scott McNealy probably stole. I know I sure did - the world is now the LAN. Chuck Eno: the recording studio is my synthesizer ( circa 1980 ) McNealy: the network is the computer ( circa 1996 ) Me: the telco network is the central office ( circa 1990 ) -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Manjunath Shivaramaiah Sent: Monday, August 13, 2001 7:46 PM To: [EMAIL PROTECTED] Subject: ccna question [7:15958] hi i have a doubt regarding lan design in ciscoIt is 80/20 or70/30 ..in braindumps and 604-407 books it says it is 70/30...pl help me in this regard... I'm taking ccna exam shortly thanks manjunath.s Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=15962&t=15958 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: ccna question [7:15958]
The current theory is 80/20. However, to pass CCNA exam, the answer is 70/30. ;-) HTH Albert -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Chuck Larrieu Sent: Monday, August 13, 2001 11:31 PM To: [EMAIL PROTECTED] Subject: RE: ccna question [7:15958] much as I hate to pass this one, because every response will hit the moderator's queue (braindump is a forbidden word), I thought this an honest question and that you were entitled to an answer. 80/20 or 70/30 what? are you referring to the old "80 percent of your LAN traffic should be local, and 20 percent should be non-local" rule of good design? I haven't seen the recent Cisco study materials, but from other reading, I believe that current theory is that you can't go by this rule any longer. Internet access, shared services, centralized server farms, intranets, all have kinda blown all this local traffic versus non-local traffic percentages by the wayside. to transform a phrase of Brian Eno's - the one Scott McNealy probably stole. I know I sure did - the world is now the LAN. Chuck Eno: the recording studio is my synthesizer ( circa 1980 ) McNealy: the network is the computer ( circa 1996 ) Me: the telco network is the central office ( circa 1990 ) -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Manjunath Shivaramaiah Sent: Monday, August 13, 2001 7:46 PM To: [EMAIL PROTECTED] Subject: ccna question [7:15958] hi i have a doubt regarding lan design in ciscoIt is 80/20 or70/30 ..in braindumps and 604-407 books it says it is 70/30...pl help me in this regard... I'm taking ccna exam shortly thanks manjunath.s Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=15968&t=15958 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: ccna question [7:15958]
is that 80 local 20 non-local? with Cisco revising the number to 70 local and 30 non-local? I refer to Priscilla Oppenheimer's Top Down Network Design ( don't argue design without it :-> ) pp 20-21, the CID book written by Robert Padjen, pp 26-27, and Howard Berkowitz's Designing routing and Switching Architecture wow! ), pages 35 and 575. Yes by all means learn the Cisco answer for the tests. Just remember that Cisco tests in certain respects are not particularly reflective of the real world, as at least three eminent real world experts indicate. Chuck -Original Message- From: Albert Y. Pak [mailto:[EMAIL PROTECTED]] Sent: Monday, August 13, 2001 9:03 PM To: Chuck Larrieu; [EMAIL PROTECTED] Subject: RE: ccna question [7:15958] The current theory is 80/20. However, to pass CCNA exam, the answer is 70/30. ;-) HTH Albert -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Chuck Larrieu Sent: Monday, August 13, 2001 11:31 PM To: [EMAIL PROTECTED] Subject: RE: ccna question [7:15958] much as I hate to pass this one, because every response will hit the moderator's queue (braindump is a forbidden word), I thought this an honest question and that you were entitled to an answer. 80/20 or 70/30 what? are you referring to the old "80 percent of your LAN traffic should be local, and 20 percent should be non-local" rule of good design? I haven't seen the recent Cisco study materials, but from other reading, I believe that current theory is that you can't go by this rule any longer. Internet access, shared services, centralized server farms, intranets, all have kinda blown all this local traffic versus non-local traffic percentages by the wayside. to transform a phrase of Brian Eno's - the one Scott McNealy probably stole. I know I sure did - the world is now the LAN. Chuck Eno: the recording studio is my synthesizer ( circa 1980 ) McNealy: the network is the computer ( circa 1996 ) Me: the telco network is the central office ( circa 1990 ) -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Manjunath Shivaramaiah Sent: Monday, August 13, 2001 7:46 PM To: [EMAIL PROTECTED] Subject: ccna question [7:15958] hi i have a doubt regarding lan design in ciscoIt is 80/20 or70/30 ..in braindumps and 604-407 books it says it is 70/30...pl help me in this regard... I'm taking ccna exam shortly thanks manjunath.s Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=15969&t=15958 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: ccna question [7:15958]
I read that it's 80/20 with 80 percent being non local and the rest on the local. Vlans seem to a lot to do with this. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Chuck Larrieu Sent: Monday, August 13, 2001 8:31 PM To: [EMAIL PROTECTED] Subject: RE: ccna question [7:15958] much as I hate to pass this one, because every response will hit the moderator's queue (braindump is a forbidden word), I thought this an honest question and that you were entitled to an answer. 80/20 or 70/30 what? are you referring to the old "80 percent of your LAN traffic should be local, and 20 percent should be non-local" rule of good design? I haven't seen the recent Cisco study materials, but from other reading, I believe that current theory is that you can't go by this rule any longer. Internet access, shared services, centralized server farms, intranets, all have kinda blown all this local traffic versus non-local traffic percentages by the wayside. to transform a phrase of Brian Eno's - the one Scott McNealy probably stole. I know I sure did - the world is now the LAN. Chuck Eno: the recording studio is my synthesizer ( circa 1980 ) McNealy: the network is the computer ( circa 1996 ) Me: the telco network is the central office ( circa 1990 ) -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Manjunath Shivaramaiah Sent: Monday, August 13, 2001 7:46 PM To: [EMAIL PROTECTED] Subject: ccna question [7:15958] hi i have a doubt regarding lan design in ciscoIt is 80/20 or70/30 ..in braindumps and 604-407 books it says it is 70/30...pl help me in this regard... I'm taking ccna exam shortly thanks manjunath.s Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=15970&t=15958 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: ccna question [7:15958]
70/30? Who made that one up!?! ;-) There's no exact number of course, but folk wisdom was always 80/20. 80% of traffic stays local and 20% goes to a different part of the network. This really got blown out of the water in the last 4-5 years because of Intranets with corporate servers located centrally in server farms, a huge amount of traffic heading out the door to the Internet, VPN and remote-access traffic flowing back in the other way, a lot of AppleTalk and Novell departmental servers being outlawed, etc. Some people have gone so far as to say the equation has switched. 20% is local now and 80% is non-local. You would have to check traffic flows and volume on your own network for a number you could really use. I have never seen 70/30. Is that really what Cisco expects you to learn now? And which do they say is local and which is non-local? Priscilla At 12:42 AM 8/14/01, you wrote: >is that 80 local 20 non-local? with Cisco revising the number to 70 local >and 30 non-local? > >I refer to Priscilla Oppenheimer's Top Down Network Design ( don't argue >design without it :-> ) pp 20-21, the CID book written by Robert Padjen, pp >26-27, and Howard Berkowitz's Designing routing and Switching Architecture > wow! ), pages 35 and 575. > >Yes by all means learn the Cisco answer for the tests. Just remember that >Cisco tests in certain respects are not particularly reflective of the real >world, as at least three eminent real world experts indicate. > >Chuck > > > >-Original Message- >From: Albert Y. Pak [mailto:[EMAIL PROTECTED]] >Sent: Monday, August 13, 2001 9:03 PM >To: Chuck Larrieu; [EMAIL PROTECTED] >Subject: RE: ccna question [7:15958] > > >The current theory is 80/20. However, to pass CCNA exam, the answer is >70/30. ;-) >HTH >Albert > >-Original Message- >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of >Chuck Larrieu >Sent: Monday, August 13, 2001 11:31 PM >To: [EMAIL PROTECTED] >Subject: RE: ccna question [7:15958] > > >much as I hate to pass this one, because every response will hit the >moderator's queue (x is a forbidden word), I thought this an honest >question and that you were entitled to an answer. > >80/20 or 70/30 what? > >are you referring to the old "80 percent of your LAN traffic should be >local, and 20 percent should be non-local" rule of good design? > >I haven't seen the recent Cisco study materials, but from other reading, I >believe that current theory is that you can't go by this rule any longer. >Internet access, shared services, centralized server farms, intranets, all >have kinda blown all this local traffic versus non-local traffic percentages >by the wayside. > >to transform a phrase of Brian Eno's - the one Scott McNealy probably stole. >I know I sure did - the world is now the LAN. > >Chuck > >Eno: the recording studio is my synthesizer ( circa 1980 ) >McNealy: the network is the computer ( circa 1996 ) >Me: the telco network is the central office ( circa 1990 ) > >-Original Message- >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of >Manjunath Shivaramaiah >Sent: Monday, August 13, 2001 7:46 PM >To: [EMAIL PROTECTED] >Subject: ccna question [7:15958] > > >hi >i have a doubt regarding lan design in ciscoIt is 80/20 or70/30 ..in >x and 604-407 books it says it is 70/30...pl help me in this >regard... >I'm taking ccna exam shortly > >thanks > >manjunath.s Priscilla Oppenheimer http://www.priscilla.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=16050&t=15958 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: ccna question [7:15958]
I can hardly wait to see the next generation of test questions ;-> -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Priscilla Oppenheimer Sent: Tuesday, August 14, 2001 9:54 AM To: [EMAIL PROTECTED] Subject: RE: ccna question [7:15958] 70/30? Who made that one up!?! ;-) There's no exact number of course, but folk wisdom was always 80/20. 80% of traffic stays local and 20% goes to a different part of the network. This really got blown out of the water in the last 4-5 years because of Intranets with corporate servers located centrally in server farms, a huge amount of traffic heading out the door to the Internet, VPN and remote-access traffic flowing back in the other way, a lot of AppleTalk and Novell departmental servers being outlawed, etc. Some people have gone so far as to say the equation has switched. 20% is local now and 80% is non-local. You would have to check traffic flows and volume on your own network for a number you could really use. I have never seen 70/30. Is that really what Cisco expects you to learn now? And which do they say is local and which is non-local? Priscilla At 12:42 AM 8/14/01, you wrote: >is that 80 local 20 non-local? with Cisco revising the number to 70 local >and 30 non-local? > >I refer to Priscilla Oppenheimer's Top Down Network Design ( don't argue >design without it :-> ) pp 20-21, the CID book written by Robert Padjen, pp >26-27, and Howard Berkowitz's Designing routing and Switching Architecture > wow! ), pages 35 and 575. > >Yes by all means learn the Cisco answer for the tests. Just remember that >Cisco tests in certain respects are not particularly reflective of the real >world, as at least three eminent real world experts indicate. > >Chuck > > > >-Original Message- >From: Albert Y. Pak [mailto:[EMAIL PROTECTED]] >Sent: Monday, August 13, 2001 9:03 PM >To: Chuck Larrieu; [EMAIL PROTECTED] >Subject: RE: ccna question [7:15958] > > >The current theory is 80/20. However, to pass CCNA exam, the answer is >70/30. ;-) >HTH >Albert > >-Original Message- >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of >Chuck Larrieu >Sent: Monday, August 13, 2001 11:31 PM >To: [EMAIL PROTECTED] >Subject: RE: ccna question [7:15958] > > >much as I hate to pass this one, because every response will hit the >moderator's queue (x is a forbidden word), I thought this an honest >question and that you were entitled to an answer. > >80/20 or 70/30 what? > >are you referring to the old "80 percent of your LAN traffic should be >local, and 20 percent should be non-local" rule of good design? > >I haven't seen the recent Cisco study materials, but from other reading, I >believe that current theory is that you can't go by this rule any longer. >Internet access, shared services, centralized server farms, intranets, all >have kinda blown all this local traffic versus non-local traffic percentages >by the wayside. > >to transform a phrase of Brian Eno's - the one Scott McNealy probably stole. >I know I sure did - the world is now the LAN. > >Chuck > >Eno: the recording studio is my synthesizer ( circa 1980 ) >McNealy: the network is the computer ( circa 1996 ) >Me: the telco network is the central office ( circa 1990 ) > >-Original Message- >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of >Manjunath Shivaramaiah >Sent: Monday, August 13, 2001 7:46 PM >To: [EMAIL PROTECTED] >Subject: ccna question [7:15958] > > >hi >i have a doubt regarding lan design in ciscoIt is 80/20 or70/30 ..in >x and 604-407 books it says it is 70/30...pl help me in this >regard... >I'm taking ccna exam shortly > >thanks > >manjunath.s Priscilla Oppenheimer http://www.priscilla.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=16060&t=15958 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: ccna question [7:15958]
Probably will contain as much technobabble as that *other* Next Generation... ;-) -Original Message- From: Chuck Larrieu [mailto:[EMAIL PROTECTED]] Sent: Tuesday, August 14, 2001 2:01 PM To: [EMAIL PROTECTED] Subject: RE: ccna question [7:15958] I can hardly wait to see the next generation of test questions ;-> -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Priscilla Oppenheimer Sent: Tuesday, August 14, 2001 9:54 AM To: [EMAIL PROTECTED] Subject: RE: ccna question [7:15958] 70/30? Who made that one up!?! ;-) There's no exact number of course, but folk wisdom was always 80/20. 80% of traffic stays local and 20% goes to a different part of the network. This really got blown out of the water in the last 4-5 years because of Intranets with corporate servers located centrally in server farms, a huge amount of traffic heading out the door to the Internet, VPN and remote-access traffic flowing back in the other way, a lot of AppleTalk and Novell departmental servers being outlawed, etc. Some people have gone so far as to say the equation has switched. 20% is local now and 80% is non-local. You would have to check traffic flows and volume on your own network for a number you could really use. I have never seen 70/30. Is that really what Cisco expects you to learn now? And which do they say is local and which is non-local? Priscilla At 12:42 AM 8/14/01, you wrote: >is that 80 local 20 non-local? with Cisco revising the number to 70 local >and 30 non-local? > >I refer to Priscilla Oppenheimer's Top Down Network Design ( don't argue >design without it :-> ) pp 20-21, the CID book written by Robert Padjen, pp >26-27, and Howard Berkowitz's Designing routing and Switching Architecture > wow! ), pages 35 and 575. > >Yes by all means learn the Cisco answer for the tests. Just remember that >Cisco tests in certain respects are not particularly reflective of the real >world, as at least three eminent real world experts indicate. > >Chuck > > > >-Original Message- >From: Albert Y. Pak [mailto:[EMAIL PROTECTED]] >Sent: Monday, August 13, 2001 9:03 PM >To: Chuck Larrieu; [EMAIL PROTECTED] >Subject: RE: ccna question [7:15958] > > >The current theory is 80/20. However, to pass CCNA exam, the answer is >70/30. ;-) >HTH >Albert > >-Original Message- >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of >Chuck Larrieu >Sent: Monday, August 13, 2001 11:31 PM >To: [EMAIL PROTECTED] >Subject: RE: ccna question [7:15958] > > >much as I hate to pass this one, because every response will hit the >moderator's queue (x is a forbidden word), I thought this an honest >question and that you were entitled to an answer. > >80/20 or 70/30 what? > >are you referring to the old "80 percent of your LAN traffic should be >local, and 20 percent should be non-local" rule of good design? > >I haven't seen the recent Cisco study materials, but from other reading, I >believe that current theory is that you can't go by this rule any longer. >Internet access, shared services, centralized server farms, intranets, all >have kinda blown all this local traffic versus non-local traffic percentages >by the wayside. > >to transform a phrase of Brian Eno's - the one Scott McNealy probably stole. >I know I sure did - the world is now the LAN. > >Chuck > >Eno: the recording studio is my synthesizer ( circa 1980 ) >McNealy: the network is the computer ( circa 1996 ) >Me: the telco network is the central office ( circa 1990 ) > >-Original Message- >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of >Manjunath Shivaramaiah >Sent: Monday, August 13, 2001 7:46 PM >To: [EMAIL PROTECTED] >Subject: ccna question [7:15958] > > >hi >i have a doubt regarding lan design in ciscoIt is 80/20 or70/30 ..in >x and 604-407 books it says it is 70/30...pl help me in this >regard... >I'm taking ccna exam shortly > >thanks > >manjunath.s Priscilla Oppenheimer http://www.priscilla.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=16064&t=15958 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: ccna question [7:15958]
next generation test questions: when designing a network, CCNAs should pay particular attention to a) the 80/20 rule b) the 70/30 rule c) the 50/50 rule d) rule Britannia at what layer of the OSI model does the 70/30 rule operate? a) layer 1, because it relates to what bits are where on the wire b) layer 2, because the bits are organized into frames, which use mac addresses c) layer 3, because the 70/30 rule refers to network layer design d) layer 7, because a CCNA needs to apply his/her/its study to real world situations the 70/30 rule is a) the result of extensive study which revealed that the 80/20 rule was in error b) the absolute measure of good design c) the ratio of tab to tip when dining at a fine restaurant d) Moises Alou's eyesight metric hope I get my CCIE before I have to recertify for my CCNA! :-> Chuck -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Priscilla Oppenheimer Sent: Tuesday, August 14, 2001 9:54 AM To: [EMAIL PROTECTED] Subject: RE: ccna question [7:15958] 70/30? Who made that one up!?! ;-) There's no exact number of course, but folk wisdom was always 80/20. 80% of traffic stays local and 20% goes to a different part of the network. This really got blown out of the water in the last 4-5 years because of Intranets with corporate servers located centrally in server farms, a huge amount of traffic heading out the door to the Internet, VPN and remote-access traffic flowing back in the other way, a lot of AppleTalk and Novell departmental servers being outlawed, etc. Some people have gone so far as to say the equation has switched. 20% is local now and 80% is non-local. You would have to check traffic flows and volume on your own network for a number you could really use. I have never seen 70/30. Is that really what Cisco expects you to learn now? And which do they say is local and which is non-local? Priscilla At 12:42 AM 8/14/01, you wrote: >is that 80 local 20 non-local? with Cisco revising the number to 70 local >and 30 non-local? > >I refer to Priscilla Oppenheimer's Top Down Network Design ( don't argue >design without it :-> ) pp 20-21, the CID book written by Robert Padjen, pp >26-27, and Howard Berkowitz's Designing routing and Switching Architecture > wow! ), pages 35 and 575. > >Yes by all means learn the Cisco answer for the tests. Just remember that >Cisco tests in certain respects are not particularly reflective of the real >world, as at least three eminent real world experts indicate. > >Chuck > > > >-Original Message- >From: Albert Y. Pak [mailto:[EMAIL PROTECTED]] >Sent: Monday, August 13, 2001 9:03 PM >To: Chuck Larrieu; [EMAIL PROTECTED] >Subject: RE: ccna question [7:15958] > > >The current theory is 80/20. However, to pass CCNA exam, the answer is >70/30. ;-) >HTH >Albert > >-Original Message- >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of >Chuck Larrieu >Sent: Monday, August 13, 2001 11:31 PM >To: [EMAIL PROTECTED] >Subject: RE: ccna question [7:15958] > > >much as I hate to pass this one, because every response will hit the >moderator's queue (x is a forbidden word), I thought this an honest >question and that you were entitled to an answer. > >80/20 or 70/30 what? > >are you referring to the old "80 percent of your LAN traffic should be >local, and 20 percent should be non-local" rule of good design? > >I haven't seen the recent Cisco study materials, but from other reading, I >believe that current theory is that you can't go by this rule any longer. >Internet access, shared services, centralized server farms, intranets, all >have kinda blown all this local traffic versus non-local traffic percentages >by the wayside. > >to transform a phrase of Brian Eno's - the one Scott McNealy probably stole. >I know I sure did - the world is now the LAN. > >Chuck > >Eno: the recording studio is my synthesizer ( circa 1980 ) >McNealy: the network is the computer ( circa 1996 ) >Me: the telco network is the central office ( circa 1990 ) > >-Original Message- >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of >Manjunath Shivaramaiah >Sent: Monday, August 13, 2001 7:46 PM >To: [EMAIL PROTECTED] >Subject: ccna question [7:15958] > > >hi >i have a doubt regarding lan design in ciscoIt is 80/20 or70/30 ..in >x and 604-407 books it says it is 70/30...pl help me in this >regard... >I'm taking ccna exam shortly > >thanks > >manjunath.s Priscilla Oppenheimer http://www.priscilla.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=16296&t=15958 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: ccna question [7:15958]
Don't forget "Marcus of Queensbury" rules T - Original Message - From: "Chuck Larrieu" To: Sent: Thursday, August 16, 2001 8:53 AM Subject: RE: ccna question [7:15958] > next generation test questions: > > when designing a network, CCNAs should pay particular attention to > > a) the 80/20 rule > b) the 70/30 rule > c) the 50/50 rule > d) rule Britannia > > at what layer of the OSI model does the 70/30 rule operate? > > a) layer 1, because it relates to what bits are where on the wire > b) layer 2, because the bits are organized into frames, which use mac > addresses > c) layer 3, because the 70/30 rule refers to network layer design > d) layer 7, because a CCNA needs to apply his/her/its study to real world > situations > > the 70/30 rule is > > a) the result of extensive study which revealed that the 80/20 rule was in > error > b) the absolute measure of good design > c) the ratio of tab to tip when dining at a fine restaurant > d) Moises Alou's eyesight metric > > hope I get my CCIE before I have to recertify for my CCNA! :-> > > Chuck > > -Original Message- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of > Priscilla Oppenheimer > Sent: Tuesday, August 14, 2001 9:54 AM > To: [EMAIL PROTECTED] > Subject: RE: ccna question [7:15958] > > > 70/30? Who made that one up!?! ;-) > > There's no exact number of course, but folk wisdom was always 80/20. 80% of > traffic stays local and 20% goes to a different part of the network. This > really got blown out of the water in the last 4-5 years because of > Intranets with corporate servers located centrally in server farms, a huge > amount of traffic heading out the door to the Internet, VPN and > remote-access traffic flowing back in the other way, a lot of AppleTalk and > Novell departmental servers being outlawed, etc. Some people have gone so > far as to say the equation has switched. 20% is local now and 80% is > non-local. > > You would have to check traffic flows and volume on your own network for a > number you could really use. I have never seen 70/30. Is that really what > Cisco expects you to learn now? And which do they say is local and which is > non-local? > > Priscilla > > At 12:42 AM 8/14/01, you wrote: > >is that 80 local 20 non-local? with Cisco revising the number to 70 local > >and 30 non-local? > > > >I refer to Priscilla Oppenheimer's Top Down Network Design ( don't argue > >design without it :-> ) pp 20-21, the CID book written by Robert Padjen, pp > >26-27, and Howard Berkowitz's Designing routing and Switching Architecture > > wow! ), pages 35 and 575. > > > >Yes by all means learn the Cisco answer for the tests. Just remember that > >Cisco tests in certain respects are not particularly reflective of the real > >world, as at least three eminent real world experts indicate. > > > >Chuck > > > > > > > >-Original Message- > >From: Albert Y. Pak [mailto:[EMAIL PROTECTED]] > >Sent: Monday, August 13, 2001 9:03 PM > >To: Chuck Larrieu; [EMAIL PROTECTED] > >Subject: RE: ccna question [7:15958] > > > > > >The current theory is 80/20. However, to pass CCNA exam, the answer is > >70/30. ;-) > >HTH > >Albert > > > >-Original Message- > >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of > >Chuck Larrieu > >Sent: Monday, August 13, 2001 11:31 PM > >To: [EMAIL PROTECTED] > >Subject: RE: ccna question [7:15958] > > > > > >much as I hate to pass this one, because every response will hit the > >moderator's queue (x is a forbidden word), I thought this an honest > >question and that you were entitled to an answer. > > > >80/20 or 70/30 what? > > > >are you referring to the old "80 percent of your LAN traffic should be > >local, and 20 percent should be non-local" rule of good design? > > > >I haven't seen the recent Cisco study materials, but from other reading, I > >believe that current theory is that you can't go by this rule any longer. > >Internet access, shared services, centralized server farms, intranets, all > >have kinda blown all this local traffic versus non-local traffic > percentages > >by the wayside. > > > >to transform a phrase of Brian Eno's - the one Scott McNealy probably > stole. > >I know I sure did - the world is now the LAN. > > > >Chuck > > > >Eno: the recording studio is my synthesizer ( circa 1980 ) > >McNealy: the network is the computer ( circa 1996 ) >
Re: ccna question [7:15958]
In the version of the BCMSN course I took Cisco state that the emerging campus network has moved away from the 80% local, 20% cross networks model to the 20% local 80% on other networks. As Chuck commented Cisco expect you to give the Cisco-approved answer. Having said that your test will be multiple choice so I wouldn't lose too much sleep on this. It is like the question asking what routing protocol is suitable for a 'medium sized' network. I think that it's absolute nonsense on its own but the principles are sound. -Jim ""Chuck Larrieu"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > is that 80 local 20 non-local? with Cisco revising the number to 70 local > and 30 non-local? > > I refer to Priscilla Oppenheimer's Top Down Network Design ( don't argue > design without it :-> ) pp 20-21, the CID book written by Robert Padjen, pp > 26-27, and Howard Berkowitz's Designing routing and Switching Architecture > wow! ), pages 35 and 575. > > Yes by all means learn the Cisco answer for the tests. Just remember that > Cisco tests in certain respects are not particularly reflective of the real > world, as at least three eminent real world experts indicate. > > Chuck > > > > -Original Message- > From: Albert Y. Pak [mailto:[EMAIL PROTECTED]] > Sent: Monday, August 13, 2001 9:03 PM > To: Chuck Larrieu; [EMAIL PROTECTED] > Subject: RE: ccna question [7:15958] > > > The current theory is 80/20. However, to pass CCNA exam, the answer is > 70/30. ;-) > HTH > Albert > > -Original Message- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of > Chuck Larrieu > Sent: Monday, August 13, 2001 11:31 PM > To: [EMAIL PROTECTED] > Subject: RE: ccna question [7:15958] > > > much as I hate to pass this one, because every response will hit the > moderator's queue (braindump is a forbidden word), I thought this an honest > question and that you were entitled to an answer. > > 80/20 or 70/30 what? > > are you referring to the old "80 percent of your LAN traffic should be > local, and 20 percent should be non-local" rule of good design? > > I haven't seen the recent Cisco study materials, but from other reading, I > believe that current theory is that you can't go by this rule any longer. > Internet access, shared services, centralized server farms, intranets, all > have kinda blown all this local traffic versus non-local traffic percentages > by the wayside. > > to transform a phrase of Brian Eno's - the one Scott McNealy probably stole. > I know I sure did - the world is now the LAN. > > Chuck > > Eno: the recording studio is my synthesizer ( circa 1980 ) > McNealy: the network is the computer ( circa 1996 ) > Me: the telco network is the central office ( circa 1990 ) > > -Original Message- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of > Manjunath Shivaramaiah > Sent: Monday, August 13, 2001 7:46 PM > To: [EMAIL PROTECTED] > Subject: ccna question [7:15958] > > > hi > i have a doubt regarding lan design in ciscoIt is 80/20 or70/30 ..in > braindumps and 604-407 books it says it is 70/30...pl help me in this > regard... > I'm taking ccna exam shortly > > thanks > > manjunath.s [EMAIL PROTECTED] Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=18857&t=15958 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
