IE's Brian Dennis Now 5-Time CCIE
Congratulations to IE instructor Brian Dennis who recently passed the CCIE Voice Lab Exam. This is Brian's 5th CCIE making him one of very few in the elite group of engineers with FIVE CCIEs!
CCIE Class On Demand DVD's are now available!
We now have our Advanced Technologies Class-on-Demand for CCIE R&S, CCIE Security, and CCIE Service Provider (Avail. May 30th). Our DVD Class-on-Demand series creates flexible, self-paced training for all candidates.
CCIE Dynamips Lab Workbook Part II is now available to compliment our Dynamips Workbook Part I.
br>Complete labs 11-20 from R&S Workbook II using the Dynamips IOS emulation platform.
More CCIE insight in our new CCIE BLOG - check out Brian Dennis' and Brian McGahan's posts on the recent CCIE issues!
Voice Rack Rental Tokens are now available for purchase. br> Our ccie Voice rack sessions can help you in preparing for the CCIE Voice Lab Exam.
FREE Technology V-Seminars
Join Brian Dennis and Brian McGahan as they discuss the latest hot topics in the world of CCIE preparation. FREE Technology V-Seminars not only cover a wide range of subjects related to the CCIE technologies but also the most efficient and effective strategies to pass the LAB EXAM. Watch Now!
Dynamips Lab Workbook
Internetwork Expert is proud to introduce our new CCIE Routing & Switching Dynamips Lab Workbook (IEWB-RS-DYN-EL). It consists of all 20 labs from our CCIE Routing & Switching Lab Workbook Volume II (IEWB-RS-VOL2) which have been reconfigured to run on the open-source Dynamips IOS emulation platform. This product is available exclusively in electronic format, and is broken down into two parts. Part 1 consists of labs 1-10 from IEWB-RS-VOL2, and part 2 consists of labs 11-20 from IEWB-RS-VOL2.
For a detailed overview of what Dynamips is and how to use it refer to Using Dynamips for CCIE Lab Preparation.
Part 1 of IEWB-RS-DYN-EL will be available for purchase by July 31st, 2007. For more information visit our CCIE Routing & Switching Dynamips Lab Workbook page or contact the Internetwork Expert sales department.
Internetwork Expert is going global!
Internetwork Expert would like to offer additional/new training opportunities in Europe (Amsterdam, Dublin, London, Moscow), Asia (Dubai, Singapore) and Australia (Sydney).
Please let us know if you are interested in the CCIE training in any of these locations by filling out this survey >>
Jobs @ Cisco
Internetwork Expert, in cooperation with Cisco Systems, is proud to introduce CCIE Cisco Job Board. Visit our web site and check out Cisco's current career opportunities.
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Azher Amin CCIE #21354
Dale Kling CCIE #21330
David Lucas CCIE #21272
Francisco Nascimento CCIE #21269
Jim Grohol CCIE #21254
Sanja Samadder CCIE #21243
Keith Tokash CCIE #21236
Mark Torzewski CCIE #21224
Max Moriconi CCIE #21220
Lindsay Towner CCIE #21199
Josh Tegart CCIE #21193
Charles Reyes CCIE #21192
Hisham El-Ezaby CCIE #21190
Emmanuel Oppong CCIE #21189
Haresh Khemani CCIE #21176
Nick Chandler CCIE #21175
Ansley Verzosa CCIE #21145
Diego Iacono CCIE #21136
John Graue CCIE #21135
Ahmed Harras CCIE #21121
Rafal Padkowski CCIE #21080
Mohammed Abbas CCIE #21069
Mohammed Kallawy CCIE #21068
Mohamed Radwan CCIE #21067
Muhammad Zahid CCIE #21066
Chris van den Brink CCIE #21047
Maher El Zein CCIE #21032
Tobias Santoyo Cardoso CCIE #21018
Selcuk Duman CCIE #21016
Dan Holme CCIE #21010
Kevin Schwartz CCIE #21000
Nagendra Kumar CCIE #20987
Rakhmetov Ruslan CCIE #20967
Cliff Moseley CCIE #20908
Navid Daghighi Ardekani CCIE #20867
Rahul Nagare CCIE #20863
Joe Bigelli CCIE #20854
Steve Gregory CCIE #20851
Frank Onwona CCIE #20833
Robert Kern CCIE #20794
Sayan Peker CCIE #20792
Greg Cooper CCIE #20775
Ahmed Abu Ziyad CCIE #20763
Tariq Khan CCIE #20761
Adeyemi Soyibo CCIE #20739
Abdullah Manzoor CCIE #20724
Hong Chan CCIE #20717
Arden Packeer CCIE #20716
Chris McGuire CCIE #20701
Robert Steeneken CCIE #20700
Chuck Welte CCIE #20699
Pham Cong CCIE #20689
Jehanzeb Rashid CCIE #20688
Brad Holding CCIE #20684
Khaled Mohamed CCIE #20676
Victor Cappuccio CCIE #20657
Ethan Banks CCIE #20655
Craig Campbell CCIE #20641
Atif Abdul Hafeez CCIE #20607
Stefan Wendt CCIE #20595
Santanu Dasgupta CCIE #20581
Shiran Guez CCIE #20572
Mark Walters CCIE #20571
Dave Mumford CCIE #20557
Sal Lopez CCIE #20538
Umair Ali CCIE #20537
Colin West CCIE #20532
Peter Haugaard CCIE #20512
Brian Walls CCIE #20509
George Murage CCIE #20497
Shine Joseph CCIE #20466
Upul Abhayasena Halloluwe CCIE #20462
Felix Nkansah CCIE #20450
Evgeny Sudyin CCIE #20449
John Durrance CCIE #20446
Silvester Verdonkschot CCIE #20441
Jeff Spronk CCIE #20437
Olugbenga Adanlawo CCIE #20425
Yannick Epassa CCIE #20413
Marshall A. Long CCIE #20412
Jim Warman CCIE #20402
Dattaram Prabhudesai CCIE #20392
Ross Dold CCIE #20387
Hitesh Patel CCIE #20342
Randy Veasley CCIE #20337
Ali Koussan CCIE #20271
Zen Sekibe CCIE #20259
Joseph Saad CCIE #20243
Peyton Schouest CCIE #20234
Utku ER CCIE #20222
Afolabi Olajubu CCIE #20213
Dave Simmons CCIE #20212
Yuta Nishida CCIE #20205
Sakthi vadivel CCIE #20186
Herman Fernandez CCIE #20180
Gregory Wendel CCIE #20179
George Istratescu CCIE #20162
Ed Balow CCIE #20152
Adel Karim CCIE #20147
Jason Fermo CCIE #20127
Fernando Carvalho CCIE #20126
Flemming E. Dall CCIE #20090
Ariel Maldonado CCIE #20083
Maximiliano Gustavo Menendez CCIE #20082
Hugo Saez CCIE #20081
Kenan Keser CCIE #20062
Ian Gyte CCIE #20061
Csaba Kiss CCIE #20052
Amir Behgooy CCIE #20051
Shahid Aq Ansari CCIE #20017
J. Mark Neely CCIE #20015
Kafui Amedzekor CCIE #20008
Cristian Ionescu CCIE #20005
Mohammad Tarawneh CCIE #19998
Mike Witte CCIE #19992
Faisal Abdelrazig CCIE #19990
Jim Lippert CCIE #19977
Sadiq Yakasai CCIE #19963
Ben Holko CCIE #19956
Scott M. Vermillion CCIE #19953
Torbjøn Müller CCIE #19943
Paul Thomas CCIE #19936
Gobind Singh Gill CCIE #19910
Michael Stewart CCIE #19881
Christopher Wham CCIE #19880
Farhan Anwar CCIE #19871
John Senkiw CCIE #19844
Gopal Gupta CCIE #19834
Bilal Khan CCIE #19820
Bruno Wollmann CCIE #19817
Marek Kurek CCIE #19813
Mohammad Zahid Saeed CCIE #19769
Bhaskar Sivanesan CCIE #19765
Joshua R. Walton CCIE #19763
Sukento Sukirya CCIE #19746
Nouman Ahmed Khan CCIE #19730
Vladimir Sousa CCIE #19718
Enyi Abajue CCIE #19712
Gregg Malcolm CCIE #19711
Dane Newman CCIE #19709
Chandan Sharma CCIE #19701
Fabrice Paz CCIE #19693
Olaf Belling CCIE #19681
Juan-Pablo Chaapero Arenas CCIE #19677
Gregory Gombas CCIE #19649
Franklin Owusu CCIE #19643
Memet Ercument Kolay CCIE #19641
Yasir Hussain Khan CCIE #19635
Tiago Teodoro CCIE #19618
Robert Bryant CCIE #19607
Mohnishkumar Upadhyay CCIE #19606
Futoshi Nakahara CCIE #19600
Mounir Mohamed CCIE #19573
Saul Arjona CCIE #19566
Deepak Ahuja CCIE #19545
Christian Zeng CCIE #19533
Kudinov Yury CCIE #19514
Ray Philip CCIE #19501
Mohammed Mahmoud Moustafa CCIE #19473
Juan Carlos CCIE #19460
Muhammad Khurram Siddiqi CCIE #19455
Ryo Shibata CCIE #19454
Barry Reyes CCIE #19444
Jean-Louis Auzepy CCIE #19442
Stephen Lee CCIE #19413
Brandon Bennett CCIE #19406
Arslan Coskun CCIE #19404
Brandon Jones CCIE #19395
Hicham Tahri CCIE #19393
John C. Moore CCIE #19392
Todd Pula CCIE #19383
Ajay Prakash CCIE #19381
Kim Teu CCIE #19369
Wilson Vick CCIE #19339
Rodrigo Cesine Soave CCIE #19278
Balmik Soin CCIE #19255
Mohammed Shameen CCIE #19240
Sanjay Nadarajah CCIE #19216
Saud Malik CCIE #19212
Shahid Farooq CCIE #19200
Phill Day CCIE #19190
Ronnie Roshan Cherian CCIE #19166
Mohammed Khasawneh CCIE #19160
Ashraf Esmat Mahmoud CCIE #19158
Brent Royster CCIE #19156
Jason Guy CCIE #19155
Szilard Csordas CCIE #19132
Bertalan Dergez CCIE #19131
Dave Smith CCIE #19125
Bill Dockery CCIE #19124
Mark Abrahams CCIE #19070
Yossi Hasson CCIE #19053
Devecchio Turner CCIE #19026
Azam Poulatov CCIE #19024
Nisha Rani CCIE #19008
Sergey Naumenko CCIE #18997
Ross Filipek CCIE #18994
Meried Bekele CCIE #18988
Jan Van den Broeck CCIE #18985
Ernesto Mejia CCIE #18955
Chika Acha CCIE #18904
Jean-Marc Mazzoni CCIE #18851
Brian Jensen CCIE #18831
Hadi Hazim CCIE #18824
Hemant Kumar CCIE #18815
Darren Ramsey CCIE #18814
Yan Filyurin CCIE #18813
Luca Tosolini CCIE #18812
Indika Kumara CCIE #18807
Keith Bizzell CCIE #18798
Thiago Vazquez CCIE #18776
Oliver Priest CCIE #18773
Thomas Perrier CCIE #18731
Engin Kartal CCIE #18727
Patrick Nijsters CCIE #18704
William Walla CCIE #18690
Eric Poulin CCIE #18679
Sheng-Fang Chang CCIE #18671
Raj Bansal CCIE #18658
Sebastian Majewski CCIE #18643
Efrain Valeriano CCIE #18631
Hakan Cicekci CCIE #18628
Ben Freitag CCIE #18617
Pradeep Tyagi CCIE #18587
Waseem Halim CCIE #18569
Derek Pocoroba CCIE #18559
Will Brown CCIE #18542
Mohamed Shaath CCIE #18537
Uchil Perera CCIE #18536
Samarth Chidanand CCIE #18535
George Morton CCIE #18532
Anthony Liu CCIE #18496
Dedi Buditriyanto CCIE #18493
Michel Johansson CCIE #18489
Benjamin Hill CCIE #18485
Freddy Bello CCIE #18480
Antonio Soares CCIE #18473
Tamer Ramzy CCIE #18467
Rocco Romeo CCIE #18451
Curtis R. Gregg CCIE #18444
Marko Milivojevic CCIE #18427
Chong Yi CCIE #18418
Keith Foster CCIE #18411
Joe Cordoba CCIE #18400
James Russell CCIE #18397
M. Ikram CCIE #18385
Mohammed Shoeb Ahmed CCIE #18379
Peter Revill CCIE #18371
Syed Salman Ali Chishty CCIE #18349
Wong Chian Chong CCIE #18346
Sachin Shenoy CCIE #18345
Fabien Gomez CCIE #18340
Arin Richmond CCIE #18318
Blaine Williams CCIE #18316
Carlos Pinto CCIE #18297
Sridevi Chebrolu CCIE #18269
Nguyen Huu Hoa CCIE #18260
Michel Ploeg CCIE #18256
Erik Orie CCIE #18235
Sean Zimmerman CCIE #18225
Adam Korkmaz CCIE #18223
Danilo Rodrigues CCIE #18207
Jai Prakash CCIE #18200
Jens Osterloh CCIE #18191
James Fang CCIE #18187
Yueqi Wu CCIE #18170
Serdar Kut CCIE #18130
Adam Callis CCIE #18125
Lee Reade CCIE #18111
Aytac Karameseoglu CCIE #18102
Faisal Hanif CCIE #18078
Charles Balic CCIE #18076
Sean McGee CCIE #18040
Wyatt Sullivan CCIE #18027
Haukur Thordarson CCIE #18026
Trey Forbes CCIE #18016
Doug Bruyer CCIE #18009
Randolph Came CCIE #18001
Jim Mathers CCIE #17984
Yue Min CCIE #17976
Tumpal Tamba CCIE #17965
Edison Ortiz CCIE #17943
Camilo Florez CCIE #17942
Majid Nazir Ahmad CCIE #17937
Babar Ahmad CCIE #17906
Wayne Hewetson CCIE #17903
Joe Yohannan CCIE #17874
Jay Killion CCIE #17873
Nick Garner CCIE #17871
Erin Brown CCIE #17857
Mykyta Popov CCIE #17852
Mauricio Martínez CCIE #17838
Ken Norton CCIE #17831
Michael Zuo CCIE #17800
Victor Solaz CCIE #17781
Marut Siriwangso CCIE #17774
Joselito Nunez CCIE #17746
Craig Middlebrooks CCIE #17623
Jerald Hulbert CCIE #17613
Antonio Martin CCIE #17610
Marius Predoiu CCIE #17592
Mark Rushby CCIE #17590
Mandebis Ably CCIE #17582
Luqman Kondeth CCIE #17561
Ram Patla CCIE #17559
Sebastian Pasternacki CCIE #17541
Firas Hammad CCIE #17525
David Goddard CCIE #17524
Andre Serrao CCIE #17518
Clifton Folkerts CCIE #17516
Michal Duchacek CCIE #17484
Ali Mummar CCIE #17477
Kemal Haydar CCIE #17474
Colm O'Leary CCIE #17471
Robert Watson CCIE #17457
Pipatpong Samranpit CCIE #17451
Vlaho Jemin CCIE #17447
Michael Marran CCIE #17439
Prio Utomo CCIE #17431
Jim White CCIE #17409
Alexey Tolstenok CCIE #17405
Vladimir Starovatov CCIE #17403
Jeff Stevenson CCIE #17401
Abhi Gupta CCIE #17390
Luke Lambert CCIE #17389
Nick Griffin CCIE #17381
Devin Kinch CCIE #17372
Leo Boulton CCIE #17360
Mohamed Saeed CCIE #17359
Elias Chari CCIE #17354
Danny Muizebelt CCIE #17353
Imran Mazhar CCIE #17328
Eduardo Soberanis CCIE #17315
Greg Falkowski CCIE #17314
Simon Stoll CCIE #17297
Lawny Johnson CCIE #17286
Hussein Ghazy CCIE #17263
John Offersen CCIE #17254
Ankush Arora CCIE #17241
Peter Hayashi CCIE #17238
Alexei Monastyrnyi CCIE #17234
Ashish Charate CCIE #17228
Drew Keller CCIE #17219
Manoj J. Melwani CCIE #17197
Sreenivasa Reddy Kaki CCIE #17186
Daniel Bliss CCIE #17184
Amir Ifzal CCIE #17179
Aaron Pilcher CCIE #17168
Rodrigo Hernandez CCIE #17162
Radoslav Vasilev CCIE #17147
Jung-I Lin CCIE #17142
Pandi Moorthy CCIE #17124
Adam Bottomley CCIE #17100
Daniel Fredrick CCIE #17094
Nguyen Cong Toan CCIE #17089
Sean Connelly CCIE #17085
Mike Louis CCIE #17082
Scott Smith CCIE #17040
Jeff Ryan CCIE #17038
Daniel Roman CCIE #17036
Loc Pham CCIE #17030
Marcus Washco CCIE #17019
Tony Paterra CCIE #17018
Erez Jordan Gottlieb CCIE #17010
Zafar Khan CCIE #16999
George Nguyen CCIE #16996
Jim Voyles CCIE #16995
Carlos Torres CCIE #16993
Julian Hart CCIE #16992
Sabrina Pittarel CCIE #16986
Charles Budiman CCIE #16977
Sunil Almeida CCIE #16966
Juan Perez CCIE #16963
Nenad Micic CCIE #16954
Cesar Chavez CCIE #16943
Suhento Gunawan CCIE #16940
Kenny Tse CCIE #16924
Craig Tompkins CCIE #16921
Arunkumar Arumuganainar CCIE #16918
Yan Anchipolovskiy CCIE #16899
Fraser Morehouse CCIE #16886
Bandar M. AlSaifi CCIE #16876
Maciej Chudzik CCIE #16859
Kaloyan Kaloyanov CCIE #16856
Paul Dardinski CCIE #16842
Aamir Aziz CCIE #16839
Thomas McCarroll CCIE #16828
Matthew Clark CCIE #16827
Mike West CCIE #16815
B. Kim CCIE #16814
James Simons CCIE #16808
Imran Moin CCIE #16803
Eric DeGolyer CCIE #16802
Kayode Oladipo CCIE #16791
Drayton Williams CCIE #16790
Sarabjit Herr CCIE #16780
Siang Gek Heng CCIE #16779
Anderson Alves CCIE #16778
Burak A. Gocmen CCIE #16777
Andras Kulcsar CCIE #16768
Christian Sica CCIE #16762
Stephen Kellaher CCIE #16753
Evoldus Fernando CCIE #16713
A. Seetharaman CCIE #16678
Orhan Osmanov CCIE #16648
Magahet Mendiola CCIE #16639
Mickey Merchant CCIE #16624
Mihai Dumitru CCIE #16616
Nick Sciarrilli CCIE #16602
Gene Thorne CCIE #16570
Leigh Nash CCIE #16543
Carlos Alcantara CCIE #16523
Earl Hough CCIE #16508
Andrew Radford CCIE #16499
Neil Dearman CCIE #16479
Prakash Sosle CCIE #16471
Godswill Oletu CCIE #16464
P. Nikolay CCIE #16461
Joseph Fu CCIE #16454
Mattie Kavanagh CCIE #16407
Jimmy Williams CCIE #16399
Jarle Utne CCIE #16397
Uma Mylaraiah CCIE #16394
Petr Lapukhov CCIE #16379
Darren Horobin CCIE #16366
Dan McRae CCIE #16365
Chris Lewis CCIE #16364
Patani Mienbaikebi CCIE #16361
Mazen Nassar CCIE #16359
Jonathan Roberts CCIE #16350
A. Khadr CCIE #16343
Diego Veca CCIE #16322
Italo Brito CCIE #16321
Tracy Kirby CCIE #16320
Pritpal Sehmi CCIE #16300
Venkatesh Palani CCIE #16294
Marco Gaona CCIE #16287
Jeff Lacouture CCIE #16264
John Clarke CCIE #16262
Justin Poole CCIE #16224
Luis Rueda CCIE #16162
Brad McConnell CCIE #16147
Juan Mayorga CCIE #16141
Alfredo Ruiz CCIE #16121
William Fosket CCIE #16041
Michael Brooks CCIE #16027
Joshua Lauer CCIE #16024
Muktar B. Julkipli CCIE #16022
Mushtaq Ahmed CCIE #15989
Jared Eller CCIE #15979
Damjan Marion CCIE #15978
Ian Kirkpatrick CCIE #15960
Daniel Berlinski CCIE #15947
Rani Chouha CCIE #15943
Ronald Kaduwa CCIE #15934
Lukasz Bromirski CCIE #15929
Ahmed Shams CCIE #15896
A. Chalamannil CCIE #15891
Steve De Vera CCIE #15885
John Crawford CCIE #15870
Trent Husking CCIE #15809
Nick Amento CCIE #15803
Haiwei Dong CCIE #15799
Chamandeep Gill CCIE #15795
Inderpal Singh CCIE #15745
Ayman Hamdallah Hamed CCIE #15733
Chad Hintz CCIE #15729
Ben Hawkins CCIE #15725
Peter McCreesh CCIE #15722
Duane DeWitt CCIE #15715
Rajesh Chacko CCIE #15703
Dehong Wang CCIE #15686
Derick Winkworth CCIE #15672
Jeff Lodwick CCIE #15671
Donald Lakey CCIE #15669
Vernon Thaver CCIE #15661
Alexander Roelich CCIE #15660
Dennis Hartmann CCIE #15651
Mike Ollington CCIE #15636
Anthony Sequeira CCIE #15626
Chula Bandara CCIE #15623
Gustavo Novais CCIE #15622
William Wu CCIE #15612
Roy Sam CCIE #15604
Niraj Palikhey CCIE #15588
Andres D. Casillas CCIE #15585
Jayson Tobias CCIE #15550
Mike Flanagan CCIE #15541
Narcis Micsoniu CCIE #15528
Rabiul Hasan CCIE #15506
Roel Cuppen CCIE #15497
Ramiro Garza CCIE #15469
Piotr Jelonek CCIE #15426
Jason Edelman CCIE #15394
David Browning CCIE #15393
Manoj Menon CCIE #15387
Kevin Gannon CCIE #15386
Tim Borgert CCIE #15366
K. Yamamoto CCIE #15357
V. Levytskyy CCIE #15343
Rodolphe Nassar CCIE #15340
Leigh Harrison CCIE #15331
Laure Andrieux CCIE #15313
Graham Hopkins CCIE #15312
Ayman Soliman CCIE #15284
Jay Yarborough CCIE #15281
P. Grygiel CCIE #15278
Simon Hart CCIE #15277
Amit Jain CCIE #15248
William Law CCIE #15246
Christopher Gatlin CCIE #15245
Matt Goff CCIE #15221
Florin Cretu CCIE #15213
Ioan Stan CCIE #15181
Paul Thomas CCIE #15175
Lee Donald CCIE #15168
Rasal Abdul Kader CCIE #15125
Jim Feldman CCIE #15085
Michael DeAngelo CCIE #15080
Rus Healy CCIE #15025
Manu Mohan CCIE #15020
James Keane CCIE #15009
Grant Stevenson CCIE #14968
Yash Bajpai CCIE #14964
Douglas Lardo CCIE #14943
Kian Wah CCIE #14929
Marian Cebulski CCIE #14907
Grzegorz Wrobel CCIE #14884
Hiroyasu Kato CCIE #14867
Tresa Antony CCIE #14862
Francisco Sedano CCIE #14859
Soma Palani CCIE #14850
John Ray CCIE #14845
Wael AlGhamdi CCIE #14839
Vijay Ramcharan CCIE #14824
Farai Tafa CCIE #14811
John Pearson CCIE #14798
Frank Russo CCIE #14793
Mihai Petcu CCIE #14786
James Obot CCIE #14785
Ali Onder Ergun CCIE #14746
Justin White CCIE #14745
Austin Kim CCIE #14741
K. Radhakrishnan CCIE #14731
Ian Henderson CCIE #14721
William Castaneda CCIE #14719
Sammy Wong CCIE #14686
Jesse Loggins CCIE #14661
Oliver Grenham CCIE #14658
B. Schmid CCIE #14651
Lars Molstad CCIE #14647
Mani Poopal CCIE #14645
Gary Cheung CCIE #14642
Kieren Carter CCIE #14593
Hongwei Li CCIE #14589
Radu Pavaloiu CCIE #14582
Troy Levin CCIE #14560
Eric Taylor CCIE #14551
Jongsoo Kim CCIE #14539
Matt White CCIE #14533
Sundar Palaniappan CCIE #14532
Tarig Hamdi CCIE #14517
Qobizita Trust Hogo CCIE #14516
Fernando Rodriguez CCIE #14481
Felipe Stutz CCIE #14449
Wei Zhu CCIE #14438
P. Palanisamy CCIE #14422
Joseph Kim CCIE #14421
Koen Denecker CCIE #14407
Hossam Al-Ashkar CCIE #14403
John Buelk CCIE #14388
Jawad Al Akrabawi CCIE #14383
Ulrich Heuer CCIE #14378
Rohit Karnani CCIE #14364
Kenny Chan CCIE #14354
Roberto Adjakou CCIE #14351
Akgun Ozsoy CCIE #14346
Rick Cossey CCIE #14319
Jean Paul Baaklini CCIE #14292
Robert Orszycki CCIE #14291
Elena Bespalova CCIE #14287
K. Tahsin Hersan CCIE #14251
Daniel Ginsburg CCIE #14229
Piotr Bubienczyk CCIE #14225
John Wong CCIE #14220
Emil Fernando CCIE #14213
Muhammad Haseeb CCIE #14189
Matt Raymer CCIE #14153
Joseph Rothstein CCIE #14140
Edward Battams CCIE #14121
Yogesh Kumar CCIE #14118
Julian Skelley CCIE #14112
Frank Fayyaz CCIE #14106
Brian Bayer CCIE #14105
Zahid Hassan CCIE #14103
Jacob Owen CCIE #14063
Rodrigo Paes CCIE #14054
Sven Ubik CCIE #14053
Talal Sabih CCIE #14052
Anand Singh CCIE #14048
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#15807 - 08/18/07 09:30 PM
Task 2.3, VTP
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Howard
newbie
Registered: 08/18/07
Posts: 31
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In this task, it ask to configure the trunk links to allow necessary VLAN traffic only. The VLAN 125 is configured as native VLAN of the trunk links, so I don't think it is necessary to allow VLAN 125 in the trunk links.
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#15910 - 08/26/07 09:36 AM
Re: Task 2.3, VTP
[Re: Howard]
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Fabou
stranger
Registered: 07/17/07
Posts: 21
Loc: Reading, United Kingdom
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You do need to allow vlan 125 over the trunk see below;
When VLAN125 removed from the trunk
Rack1SW1(config-if)#do show int trunk
Port Mode Encapsulation Status Native vlan Fa0/16 on 802.1q trunking 125
Port Vlans allowed on trunk Fa0/16 72-73
Port Vlans allowed and active in management domain Fa0/16 72-73
Port Vlans in spanning tree forwarding state and not pruned Fa0/16 72-73 Rack1SW1(config-if)#
Rack1SW3(config-if)#do show int trunk
Port Mode Encapsulation Status Native vlan Fa0/13 on 802.1q trunking 125 Po23 on 802.1q trunking 125 Po34 on 802.1q trunking 125
Port Vlans allowed on trunk Fa0/13 72-73 Po23 1-4094 Po34 1-4094
Rack1R2# *Jul 25 04:34:57.258: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 10: Neighbor 152.1.125.1 (FastEthernet0/0) is down: holding time expired *Jul 25 04:34:57.494: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 10: Neighbor 152.1.125.5 (FastEthernet0/0) is down: holding time expired Rack1R2# Rack1R2#ping 152.1.125.255
Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 152.1.125.255, timeout is 2 seconds: ..... Rack1R2# *Jul 25 04:37:06.934: %BGP-5-ADJCHANGE: neighbor 152.1.125.5 Down BGP Notification sent Rack1R2# *Jul 25 04:37:06.934: %BGP-3-NOTIFICATION: sent to neighbor 152.1.125.5 4/0 (hold time expired) 0 bytes Rack1R2#
When VLAN125 is added back to the trunk
Rack1SW1(config-if)#int fast 0/16 Rack1SW1(config-if)#switchport trunk allowed vlan 72,73,125
Rack1SW3(config-if)#int fast 0/13 Rack1SW3(config-if)#switchport trunk allowed vlan 72,73,125
Rack1R2#ping 152.1.125.255
Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 152.1.125.255, timeout is 2 seconds: .. *Jul 25 04:40:05.763: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 10: Neighbor 152.1.125.1 (FastEthernet0/0) is up: new adjacency *Jul 25 04:40:05.775: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 10: Neighbor 152.1.125.5 (FastEthernet0/0) is up: new adjacency Reply to request 2 from 152.1.125.1, 1 ms Reply to request 2 from 152.1.125.5, 1 ms Reply to request 3 from 152.1.125.5, 4 ms Reply to request 3 from 152.1.125.1, 4 ms Reply to request 4 from 152.1.125.5, 1 ms Reply to request 4 from 152.1.125.1, 4 ms Rack1R2# *Jul 25 04:40:31.926: %BGP-5-ADJCHANGE: neighbor 152.1.125.5 Up Rack1R2#
Since VLAN125 is the native vlan I guess that if VLAN125 is not allowed on the trunk fram witout a tagg (VLAN125) will not be allowed to go over the trunk.
Fab
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#16075 - 09/03/07 06:28 PM
Re: Task 2.3, VTP
[Re: Fabou]
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stjude_1984
journeyman
Registered: 07/21/07
Posts: 63
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can someone explain this task . i dont follow how to send the appropiate vlans over the trunk links . lab 4 task 2.3
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#16087 - 09/04/07 12:39 PM
Re: Task 2.3, VTP
[Re: stjude_1984]
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JanZ
journeyman
Registered: 04/02/07
Posts: 84
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just see what vlan traffic is needed for each switch,plus the traffic needed to transit the switch.(if a vlan is only present in one switch then block that and if a vlan is spread over more than one switch then you need to allow it over the trunk)
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#21480 - 01/10/08 05:59 AM
Re: Task 2.3, VTP
[Re: JanZ]
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Dom F
stranger
Registered: 11/22/07
Posts: 17
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What confuses me about this task, is that filtering of vlans from trunks is under the VTP task list rather than under the Trunking tasklist.
I used VTP pruning to achieve this task, which is what I would have expected to be used as the task is under VTP.
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#21805 - 01/24/08 11:39 AM
Re: Task 2.3, VTP
[Re: Dom F]
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Cisco Kid
CCIE #11676
Registered: 08/24/04
Posts: 33
Loc: South Africa
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I went for VTP pruning as well. I thought it to be the safer option. Question is not clear on specifying a particular direction. VTP pruning is for clearing unused vlans!?
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#21815 - 01/24/08 01:25 PM
Re: Task 2.3, VTP
[Re: Cisco Kid]
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Darrell Escola
member
Registered: 07/09/07
Posts: 174
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vlan filtering could also be done for security - a vlan with sensitive servers or databases could be removed from the allowed vlan list where it should not be trunked to prevent accidental or intentional mis-configuration on another switch that assigne the sensitive vlan to a port on that switch. If pruning is used, the trunks will automatically allow this vlan, but if the vlan is removed from the allowed vlan list, configuration of a port in the sensitive vlan on an unauthorized switch will not cause traffic for that vlan to flow over the trunk.
If the intention of the task is not clear, ask the proctor.
Darrell
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#21830 - 01/25/08 01:50 AM
Re: Task 2.3, VTP
[Re: Darrell Escola]
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Cisco Kid
CCIE #11676
Registered: 08/24/04
Posts: 33
Loc: South Africa
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Thanks, Could someone explain what happens with Vlan125. It is set-up as the default vlan on all dot1q trunks. "switchport trunk native vlan 125"
If you remove it from the allowed vlan what are the consequences!?
Thanks
James
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#21850 - 01/26/08 08:20 AM
Re: Task 2.3, VTP
[Re: Cisco Kid]
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nullroute
stranger
Registered: 12/02/07
Posts: 7
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"I went for VTP pruning as well. I thought it to be the safer option. Question is not clear on specifying a particular direction."
I think that the reason that you cannot use VTP Pruning for this task is because it asks that you to "Filter traffic on the 802.1q trunk links so that only necessary VLAN traffic is sent over them."
If you use VTP Pruning you will be pruning on all trunks in the VTP domain regardless of which trunking encapsulation is used (ISL or dot1q).
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#21928 - 01/31/08 02:17 AM
Re: Task 2.3, VTP
[Re: nullroute]
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Dom F
stranger
Registered: 11/22/07
Posts: 17
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Not neccessarily, you can specify which VLANs are eligable for pruning on specific trunks on a switch by switch basis
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