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certskills
เข้าร่วมเมื่อ 4 พ.ย. 2010
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ICND1 Chapter 16 Study Plan
A video with tips about how to use Chapter 16 of the ICND1 Exam Certification Guide when studying for CCENT or CCNA, by book author (Wendell Odom)
Testing this link to the books click.linksynergy.com/link?id=MvjCHjBLVDU&offerid=145238.248089781587147142&bids=145238.248089781587147142&type=2&murl=https%3a%2f%2fwww.ciscopress.com%2ftitle%2f9781587147142
Testing this link to the books click.linksynergy.com/link?id=MvjCHjBLVDU&offerid=145238.248089781587147142&bids=145238.248089781587147142&type=2&murl=https%3a%2f%2fwww.ciscopress.com%2ftitle%2f9781587147142
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ICND1 Chapter 17 Study Plan
มุมมอง 53413 ปีที่แล้ว
A video with tips about how to use Chapter 17 of the ICND1 Exam Certification Guide when studying for CCENT or CCNA, by book author (Wendell Odom)
ICND1 Chapter 15 Study Plan
มุมมอง 39013 ปีที่แล้ว
A video about how to use Chapter 15 of the ICND1 Exam Cert Guide, by Wendell Odom
ICND1 Chapter 14 Study Plan
มุมมอง 48913 ปีที่แล้ว
A video from Wendell Odom, author of the ICND1 Exam Certification Guide, about using a chapter of his book.
Overlapped VLSM Subnets and Learning Routes
มุมมอง 10K13 ปีที่แล้ว
This video examines how a router chooses the best route when overlapped VLSM subnets exist. In particular, when a router learns multiple routes for the same subnet ID, but each route uses a different mask. Note that this video replaces a low-res version of the same video that was mistakenly posted.
Choosing the Best Route: Administrative Distance
มุมมอง 5K13 ปีที่แล้ว
This video demonstrates the conditions under which a Cisco router uses administrative distance to choose the best route among competing routes to the same subnet.
ICND1 Exam Cert Guide Chapter 13 Study Plan
มุมมอง 1.1K13 ปีที่แล้ว
A video of tips, hints, and suggestions of how to use a particular chapter of the Cisco Press ICND1 Exam Cert Guide by Wendell Odom
ICND1 Exam Cert Guide Chapter 12 Study Plan
มุมมอง 98413 ปีที่แล้ว
A video of tips, hints, and suggestions of how to use a particular chapter of the Cisco Press ICND1 Exam Cert Guide by Wendell Odom
Demo: Cisco Learning Labs
มุมมอง 8K13 ปีที่แล้ว
A whirlwind tour of the user interface for the Cisco Learning Labs service, announced April, 2011. See www.networkworld.com/community/CLL-1 for more info.
Choosing the Shortest Mask that Prevents Overlaps
มุมมอง 9K13 ปีที่แล้ว
Some test questions can show IP addresses in multiple subnets, and ask you to choose a mask - one mask - that is the shortest mask that does not cause an overlap between subnets. It's an interesting way to think about IP subnetting. It also answers a question from April7th in Wendell Odom's CCENTSkills blog (ccentskills.certskills.com).
ICND1 Cert Guide Chapter 11 Study Plan
มุมมอง 99013 ปีที่แล้ว
A video of tips, hints, and suggestions of how to use a particular chapter of the Cisco Press ICND1 Exam Cert Guide by Wendell Odom
ICND1 Cert Guide Chapter 10 Study Plan
มุมมอง 44013 ปีที่แล้ว
A video of tips, hints, and suggestions of how to use a particular chapter of the Cisco Press ICND1 Exam Cert Guide by Wendell Odom
ICND1 Chapter 9 Chapter Study Plan
มุมมอง 55413 ปีที่แล้ว
Hints, tips, and suggestions from the author (Wendell Odom) for Chapter 9 of the ICND1 Exam Cert Guide
Finding the Subnet ID (Math)
มุมมอง 39K13 ปีที่แล้ว
A description of how to take an IP address and subnet mask, and find the subnet ID, without using any binary math.
ICND1 Chapter 8 Study Plan
มุมมอง 69513 ปีที่แล้ว
A video with suggestions on how to use the ICND1 Exam Certification Guide, Chapter 8.
Host Routing and Data Link Encapsulation
มุมมอง 3.2K13 ปีที่แล้ว
Host Routing and Data Link Encapsulation
Chapter Plan for ICND1 Exam Cert Guide, Chapter 6
มุมมอง 1.5K13 ปีที่แล้ว
Chapter Plan for ICND1 Exam Cert Guide, Chapter 6
Subnet Analysis, Part III: Neighboring Routers Agree
มุมมอง 34413 ปีที่แล้ว
Subnet Analysis, Part III: Neighboring Routers Agree
Techie Topic: Analyzing Subnets Part I
มุมมอง 3.1K13 ปีที่แล้ว
Techie Topic: Analyzing Subnets Part I
Study Plan for ICND1 Cert Guide, Chapter 2
มุมมอง 7K13 ปีที่แล้ว
Study Plan for ICND1 Cert Guide, Chapter 2
This guide is just the best i ever seen
THANK YOU SO MUCH
I had this problem and couldn't find the solution, only by reading the title of this video I found my problem, I was using the incorrect mask on the topology ,thanks
thanks man
Thank You!
ive got your book
are you wendall odom?
Did you check the video after uploading?
Wendell, your CCNA cert guides are the best
thank you !
thank you sir
Will the Host ever be able to know the MAC address of the Destination? If possible how?
You are the best!
Hello Mr. Odom. I use your book for CCNA 200-301 exam all chapter are clearly but at the end of the chapters you write that videos about the chapter there is a companion website but I can not find it on TH-cam on your written websites and etc. Please help me
It is not some magic! Subnet ID is found by using logic gate operation called EXOR between the Subnet Mask and the IP address!!
so simple i actually understand this already, but i lost and stuck in chapter 20 thnks for making this video xd
That sucked
how do I find the usable range for 172.16.85.0/21 Help!!!
so, what is Host Routing?
its a routing by a host. All decisions made by host to route data
I have only seen examples where the third octet is neither 255 or 0. Is it the exact same process if the fourth octet is neither 255 or 0?
how you find the maximum number of valid subnets and usable hosts per subnet that you can get from the network 172.21.0.0/27 using this calclation plz do you have any trick?
Did you write this tutorial for yourself? Didn't tell, what is sub-net, what is ARP, and what is default gateway
I tried woking on this using Packet Tracer V.7. In R2, 172.16.5.2 of S0/0/1 overlaps with 172.16.6.1 of S0/0/0. Where did I make a mistake just in case this is right?
Great explanation thank you very much
what if the host IP is 10.55.66.77 /25 ? what is the subnet ID ? going through the process, you'll find out 256-128 = 128, how do I match the closest to 77 if 128 is above 77 ? Thanks
Catalin Chira I try to do yours and I'm stuck too
Hi, actually the technique in the video might not apply 100% of the time. I found an easier way to go around it. Let me explain: IP: 10.55.66.77 /25 Mask: 255.255.255.128 128 in binary is: 10000000. Now, to find out if there are multiple subnet IDs, we have to find the increment. The increment is the lowest bit in the Mask, which is 128. Therefore : Subnet ID: 10.55.66.0 Mask:255.255.255.128 WC: 0.0.0.127 ( finding the wildcard helps you determine what is the broadcast address ) Broadcast: 10.55.66.127 1st host: 10.55.66.1 last host: 10..55.66.126 Resulting in 126 hosts / subnet Going further, the 2nd subnet id is: 10.55.66.128, which means the 1st host is 10.55.66.129 & last :10.55.66.254 The 3rd subnet id is: 10.55.67.0 with 1st host: 10.55.67.1 & last: 10.55.67.126, and so on until the last subnet available 10.255.255.128, having in total 33.554.432 subnets ( 2 to the power of 25) with 126 hosts/subnet
Catalin Chira can you please paste a link where I can learn your method from I started off good on following it but than got lost so please send me a link if you can thanks
Hi, I have no link, it is a combination of multiple ways, after reading, searching online...and eventually it worked for me very well. Some people are taught a different way. Where did you stuck maybe I can help you
Catalin Chira how did you get 10.55.66.0? and your second subnet fourth octet is the same as the mask fourth octet
but what if you only have the subnet mask like 255.255.255.240 what would the subnet id be??
In this case, it will be 10.4.77.96 255.255.255.240 = /28, which means you need 28 binary bits for the subnet mask. 24 + 4. The lowest bit value is 16 ( 4th position ) so 16 multiplied by 6 = 96 which is closer to 99. Therefore subnet id is: 10.4.77.96 with 1st host 10.4.77.97 and last host: 10.4.77.110
@@TheDjexcessive how is 16 the lowest bit when 240 in binary is = 11110000
Or do you look at the host bits only?
Much easier than the cake method I was introduced to. Thanks.
Thank you so much, this video is amazing!
and ............... you saved my life .
no help
thankyou so much i was stuck on this for a while.
why do all network videos have cheesy music at the beginning?
Great instruction Wendell! I am a follower!
Thank you !
what if ip of 3rd octat is 0 then?
The subnet ID will be 10.4.0.0 Broadcast 10.4.15.255, 1st h 10.4.0.1, Last h 10.4.15.254
thank you . you save my ass :)
Wendell may the good LORD bless you
THANK YOU! great explanation...exactly what i need. now i am ready to find my subnet ID.
isnt 10.4 class A ? so doesnt it should be 255.0.0.0 ? pleas answer
Emprator Z Not if you are using variable length subnet masks :)
THANK YOU so much. Oh my gosh. Learning this in school right now and I've been wanting to rip my hair out for weeks. This video clicked it into my brain. Awesome. Finally.
weeks? we covered this shit in 2 days and it literally passed over my head
thanks you helped
Okay but what about R1 sending that packet to R2? Does R1 send an ARP to R2? so that it knows R2's MAC address to send the frame?
yes
Wonderful Video.. Thank so much.. God Bless You
I got it! Thank you.
Great
You helped me more than my professor did! Thank you!
mind = blown! I feel like I'm in genius mode right now, but I still got a long way to go! I am for sure subscribing to this channel.
Can you please upload Full Tutorial instead of the Guidelines?? We really want to learn from you.
Great Stuff. Thank you!
very good explanation !