How Devices Connect to the Fabric: Understanding Cisco ACI Domains
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- เผยแพร่เมื่อ 5 ก.ย. 2024
- Carly Stoughton, a Technical Marketing Engineer at Cisco, presented an in-depth look at how devices connect to the Application Centric Infrastructure (ACI) fabric, focusing on the concept of ACI domains. She began by explaining the basic architecture of ACI, which includes a spine-leaf topology where all devices connect to leaf switches, and leaves connect to spines but not to each other. This setup ensures predictable latency and efficient data flow. Stoughton emphasized the role of the Application Policy Infrastructure Controller (APIC) in managing these connections and policies, highlighting how it integrates with various types of devices and systems, such as VMware servers, bare metal servers, and external routers.
Stoughton detailed the integration of VMware into ACI through the creation of Virtual Machine Manager (VMM) domains. This integration allows for enhanced visibility and control over VMware environments by pushing a VMware distributed switch into the servers, enabling each port group to act as an endpoint group (EPG). This method allows network administrators to define EPGs based on virtual ports rather than traditional VLANs or physical ports. The APIC establishes a relationship with the VMware vCenter, creating a VMM domain for each data center, which helps in isolating and managing different environments. This setup ensures that network policies are consistently applied across virtual machines, simplifying management and enhancing security.
In addition to VMware integration, Stoughton discussed how ACI handles other types of devices through physical and external Layer 2 and Layer 3 domains. For bare metal servers, a physical domain can be created to group servers with similar policies into the same EPG, regardless of their physical or virtual nature. External Layer 2 domains are typically used for connecting to existing data center switches, while external Layer 3 domains facilitate connections to WAN or internet routers using protocols like OSPF, static routing, and BGP. Stoughton also touched on the future support for additional protocols like EIGRP and IPv6. This comprehensive approach ensures that ACI can accommodate a wide range of devices and configurations, making it a versatile solution for modern data centers.
Recorded at Networking Field Day 9 on February 13, 2015. For more information, please visit Cisco.com/go/ACI/ or TechFieldDay.co...
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She is a genious! I was here for a simple understanding of ACI for my CCNA R&S, but damn this is very broadly explained. I respect this woman and hope to reach the knowledge she has one day at Cisco. Good video!
they expain aci in ccna r&s nowadays? Or just like a 1 paragraph mentioning ?
This video is a good example that if you make any training interactive then it is really fun learning. I do appreciate the audience participation here. They are good. Instructor is too good.
I absolutely love this video. Not only because how clearly and cleanly she explained the architecture with practical examples. But the guys in then audience asked all the questions that were popping on my mind as I was watching this. It's as if I was represented in the class. Just awesome. And I was blown away when I realised allnthiswas explained and discussed in such a casual flow in only 30min. Clean and precise 👌👏👏👏👏👏
I tried to watch this back in 2015, 2016, 2017 and could not for the life of me understand it. I was an enterprise network engineer, didn't really work with DC technologies like vSphere, storage, nexus switches. Now I'm studying for CCNP Datacenter and work with VMware NSX on a daily basis. All of this makes sense now. Its crazy to me that this tech existed in 2015 and she has such a strong command of the architecture. I think I'm just in awe and having a moment when you understand something clearly that you did not understand previously. I'm even watching it at 1.75 speed and following everything.
Excellent presentation Carly, 99% of the woman in IT I have worked with, from my personal experience
have been much smarter and better prepared than the guys ... keep up the good work ..
I know that i am already very late but i found this video very informative. The lady whos it all and the way she handle queries of expert is very admirable. She knows what she is doing.
I need to refresh some of my technical concepts, I google about Switched Fabric and it took me here. I certainly enjoying see fellow female engineer training a group of men.
Lol.....seriously, i had to watch it because it was female instructor, and damn, she really knows the aci technology and networking concepts very well.....nothing turns me on like a woman thats technical...lol
Man, Carly is making networking engineering hot again!
You should hop on the AI bandwagon, it's even toastier over here!
Never had such a pretty lady teach me CISCO stuff :)
Jokes apart ..... really a great Video , best explanation of ACI on TH-cam yet (y)
The explanation of the fundamental ACI was really clear. Hopefully, I will be able to become an expert in this field in the future. Najib BSN (Malaysia)
That is the neatest whiteboard I have ever seen! Having just learnt about SD Access I thought I better brush up on this also. I think I need to watch it a couple of times to ensure I understand it all.
Real good..the first time I see someone explain VMM Domain to VSphere DataCenter mapping properly ...
Nice videos Carly Stoughton
Seen white board in this kind of forum after very long time
Men will be Men.....awesome explanation BtW😊
Fabulous explanation.
Questions from participants were quick intelligent, and clarifying doubts.
Hi, about ARP request, when the destination MAC is unknown, the switch leave use COOP aka Council Of Oracle Protocol to send the request to any spine choose randomly in the fabric, The spine switch (oracle) that was chosen then relays this information to all the other spines (oracles) so that every spine (oracle) has a complete record of every end point in the system.
The spines (oracles) record the information learned via the COOP in the Global Proxy Table, and this information is used to resolve unknown destination MAC/IP addresses when traffic is sent to the Proxy address.
Thank you for your comprehensive presentation
Great stuff. Carly, thanks for the excellent explanation. Your GK courses were very helpful in 7K, kudos!
Gregory Cave Thanks! I'm glad you enjoyed! Anything puzzling I can ponder on for another video?
She connected all my fabrics, that's for sure!
We definitely need more women like this in our IT department. :)
+Emilio Palma But then I'll no longer be able to hang my gut out of my pants when I ate too much at lunch!!
IT Dept couldnt afford her. Heh.
that's a great video explaining ACI terminology and basics. i need more of those
:)
Awesome.. This Video made my DAY !!! Thanks :)
Carly, 10/10. Outstanding. Very well explained.
Great presentation with a lot of useful information. Thanks for the content.
beautiful topic and presenter...
I agree sir!
Waaoowwwwww !! What a field day out there !!!
Well explained Carly.
Excellent explanation! I'm rather new to this but fantastic job and video.
IS-IS is use to avdvertise VTEP address inside the fabric.
Great movie, easy to understand. The first gentleman to ask questions seems very familiar. Did i see him on some dave bomball movies ?
None of you have any chance xD Very well explained, thank you
Natasha...you are very cute
Nice helpful information about network .Thanks Carly
Wow i am a CCNA Teacher , She is beautifull and i like her , Awesome women training People....
brains and beauty do exist!!
Excellent explanation.
i enjoy her teachings
Going through classes to prepare for my CCNA right now and searched "Cisco" for the fun of it. This came up and I thought I'd be able to understand it. 2 minutes in and nope. This is a bit beyond that level. Hope to someday understand though
Thanks for the great class. I'm watching this in concert with INE videos, it may take me a while to turn creating a VLAN via the CLI into this ACI flowchart in my head :-). This helps
Awesome job Carly! Tell Mr Barnes I said hello...
+Carly Stoughton (vCarly) Oops, I've been out of the loop too long. Sorry but still awesome presentation!
+Mac McInvaille Thanks man!!
this indeed is a very useful and helpul video, am impressed and learn more. Keep it up
25:47
LOL !!!
Sad douche...the guy, not you.
I believe that Mr. multiple question sent that question about Dual home network to this dude, via a DM or something, probably because he wanted to question Carly again but not becoming the initiator. Wished men were more supportive in IT industry. Sighhhh...
Cringe. Dunno why he's being a douche like that.
@@meynoush535 Brilliant!! LOL I thought the same.
Nice technnical stuff .. it is best video
The Eye candy didn't bring me here, but she certainly made me stay, following Carly on twitter now, omg, eye... good knowledge too which definitely goes without saying.
Awesome ACI White boarding from a really hot trainer :) +Carly Stoughton can you also do a session on Fundamentals of ACI
Awesome Video and Presentation. Looking for more learning on ACI. Please share the study material details you mentioned in Video.
@29:16 neither inter Area nor intra Area as OSPF-->MP-BGP-->OSPF so routes would be external E1/E2 routes!!
Carly Stoughton, Technical Marketing Engineer, introduces Application Centric Infrastructure (ACI) domains and describes their interaction with the greater policy infrastructure. Recorded at Networking Field Day 9 on February 13, 2015. For more information, please visit Cisco.com/go/ACI/ or
@ 27:00 - OSPF adjacency over vPC - this is not entirely correct as explained - from the connected router or FW (despite the fact vPC is configured between the two relevant leafs at the ACI side) - perspective there's 2 neighbors - so for that matter your SNM should match a larger b/c domain. One would think the peering could be a /31 but that''s not the case - This is no big deal BTW but took us by surprise back then.
Yes /31 not suffice the requirement, you would have ospf neighbor between VPC peer and both VPC peer to external device
how do you keep your self soo fit.
27:00
Thank to HSRP vPC we can have active-active connection and from router's perspective the leafs look like only one logical box and since we're going to use vIP there wouldn't be any more problem.
من همه جا باید شمارو ببینم؟ 😁
man im glad you are not my teacher! Cause your fine!
Where did she just talk about?
Like for the teacher!
very nice...............
Her right?
Beautiful instructor..
Good Day
Carly Mentioned that she was working on two books, where can I find those books, and which are the titles ?
ACI Operations book, free download here: www.vcarly.io/store
Does anyone know, why we have to connect the router to the leafs rather than the spines?
Think of spine and leaf as a a disaggregated chassis. The spines are the backplane and the leafs are the line cards. Spines are only to be used to connect other leafs. Cisco does break this rule with data center inter-connectivity however.
Awesome,,,
very Nice...
what is is this again I was distracted lol
can I have servers in the same EPG and part of them are in VMM domain and the rest are bare metal? Is thhat possible?
Yes, absolutely. Different domains can easily be part of the same EPG.
Yep!
I wish my Cisco professor looked this good lol.
29:50 -> provided we're in 2016 post Brazos and we now do support transit routing across the fabric - and we'd peer with two independent OSPF routers (say over different border pairs for the sake of simplicity) - the respective redistributed routes would I presume show as E1 or E2 upon redistribution from iBGP back into OSPF on the other router or can we emulate some form of OSPF backbone and stick to Inter Area or Intra Area routes ?
E1 or E2 routes upon redistribution not intra/inter area
I hate networks .But i wouldn't mind taking the class
link for download the pack?
Great
GOOGLE TV47 seconds ago
Carly Stoughton, Technical Marketing Engineer, introduces Application Centric Infrastructure (ACI) domains and describes their interaction with the greater policy infrastructure. Recorded at Networking Field Day 9 on February 13, 2015. For more information, please visit Cisco.com/go/ACI/ or
Where is Lilian Guan? :)
Carly could you pls be my mentor? you are great at what u do.
+allowmeasme Thank you! What do you do?
Now everything is in AWS no need for ACI anymore
and all the geeks come crazy¡
this is 5 years ago, has it taken off yet?
:D
The guy at 6:21 is your typical "know it all" who cant let the instructor go through the MATERIAL ONCE THEN ASK QUESTIONS. he interrupts her so much - he should probably go home and teach himself from the Cisco Live PDF's, SRND's and CLI like i do... Jeez
That guy is Ivan Pepelnjak. There's a good chance that he does 'know it all'
www.ipspace.net/About_Ivan_Pepelnjak
hahahaha it's true! lmao those people are soo entitled and even if they do "Know it all" let the presenter present their material accordingly and take notes to ask questions later!
Yes , I hear you and i agree that this "spiel" is sometimes highly irritating but Ivan just tried to pry a bit more details and context IMO - and FWIW, the guy is really a legend and earned his salt over the past decades...so that comes with a level of self consciousness I reckon...;-)
That guy is real "Know it all Guy" he's Ivan Pepelnjak
Still not professional...
Class only for Mac users!!!
❤️💜❤️
*GRILL!*
I wouldnt be able to learn much in this class
exsuse me! What's the level it is?
+Dimitry MES I would consider this intermediate.
how a man can focus with all this distraction !
The laughing moment about Netbios traffic reminded me of that "We are not communists scene" from The GodFather.
Lion lady
Ohh if the coach is so beautiful and knowledgeable i can be very attentive in the class
😍
Virgin
Fun fact. Fast forward to 2020, most folks who bought ACI never turned it on because how terrible it was.
.
starting icnd1 ... haha no idea what any of this is
a very rare very hot beautiful IT Engineer.... from a NetSys Administrator
Makes my head hurt
Wow, the processor is hot. It needs cooling!
Seems like a tedious way to skin a cat, extreme networks fabric attach based on Shortest path bridging and fabric attach is way simpler. 😂
But kudos to the woman, explained to me exactly what ciscos weaknesses are.
Explaining advanced Cisco infrastructure to a bunch of nerds whilst wearing a cocktail dress.
I found a familiar word "Minecraft"
看来大家都是冲着美女专家来。。哈哈
Wow .. too much distraction..let's focus on networking..
A lot of thirsty nerds on this comment thread.
👍
you put a nice blonde explain, i will pay attention to that for sure...
Junk.
Cisco ACI.....sponsored by Apple :-/
sexy
i wished if she dropped her pen!!