Create a course with NX-OS Topics.
It would be great if we could get some basic to more advance troubleshooting across the core technologies EIGRP/OSPF/BGP/MPLS/Multicast. That really reinforces the foundation that I am learning and get a deeper understanding of these technologies.
A lot of your topics show you capturing traffic via Wireshark. Create a topic(s) exclusively on how to effectively use Wireshark.
MPLS Traffic Engineering
1. How the MPLS can offer the Traffic Engineering by priority the VOIP traffic
2. How the MPLS TE can use the optimal path to priority the traffic
Create a Course with basic concepts of Software defined networking.
Develop an study case from the ground up
Plan and implement a network design and configure each device from the begining :
begin with one main office and, as if was not planned add 1-2 branch offices, solving the challenges (and reconfiguring the devices as).
Begin with a not too much complex case: 2 switches (3-4 departments) and 1 router with internet access, then adding another switch, another department, make vlan, secure port, secure access, and then adding another internet connection, then adding a new little branch office and perhaps a second one with different protocol ) . Because it perhaps will get to big, perhaps will be nice to begin with a base scenario and make some child scenarios …
Appreciate if you can create some lessons on VPLS.
Data Center/Branch Network
I would like to ask if you can make a scenario where you emulate a HQ data center which consists of a WAN Router which is connected to MPLS with ebpg between the CPE and PER routers and then suggest if we should either do redistribution or ibgp/ospf/eigrp for our IGP protocol to have bidirectional connectivity. Also add a firewall/router which is connected to the internet and you have one or two branches connection back to it through a vpn/gre tunnel and best practices on how to configure these sites.
I would like to see more scenario which we see often in real world production environment. Thanks
Python Scripting for networks
How to write scripts for multiple config changes/backups.
Please help to upload topics on Nexus.
Lessons for Cisco Voice
Linux Administration for Networkers
Create a course for administering/manage Linux for network engineers.
This course should cover how to manage your network from a Linux box
teach the commands, scripts and tools usually run from a Windows machine, but from a Linux machine or OS. Please include running wireshark. Thank you
Nexus Switches & DC conecpts
install and configuration Cisco (v)WLC. Explanation of Basics, Flexconnect, and so on.
VXLAN and Spine-Leaf Architecture
In the space of ever evolving datacenter design, i feel its time to get hands dirty with some deep understanding of various use cases of spine-leaf w/ VXLAN and few design examples..
please see if you can add any tutorials that explains,
Leaking between Vrf’s
Leaking between Vrf and Leaking vrf and Global Table
Cisco ISE and WLC integration
MPLS Advance Route Target Import/Export
Advance route target import / export between the VRF and also allow the VRF leak to the internet cloud
We want to start learning juniper from basic too.
Create Flash Cards
Create flash cards for CCNA / CCNP / CCIE R&S that you can use on mobile devices for offline studying / memorization.
ASA FW: VPN
Create a course for ASA FW: Configure VPNs
Include site-site, and Anyconnect; make sure it covers the new Cisco Anyconnect Secure Mobility Client 4.0 Thanks
Cisco Voice – CCVA/CCVP
Create a course for CCVA/CCVP to cover Cisco VoIP Fundamentals;
Include CUCM and IP Unity.
MST PVST Simulation and Tunnelling between Regions
Explain MST’s backwards compatibility, PVST Simulation and how MST regions can tunnel across PVST domains. You briefly spoke on these topics here.
Datacenter Design and deployment
As the design of the network has gone through tremendous changes with new virtualization technologies and cloud computing scenarios, it would be great to see articles discussing latest network deployment scenarios
Cisco Security: CCSA/CCSP
Create a course for Cisco Security Associate/Security Professional
This course should cover the topics need to pass the CCSA course. Thanks
Performance Routing (PfR)
-Basic Overview of technology for the different versions as well as configuration and validation commands/explanations
-Cover CCIE Blueprint areas of “basic load balancing and voice optimization”
Cisco Wlc Installation and configuration
Explain Cisco vWlc Installation and configuration. Explaintation Flexconnect, Local Switching and so on…
GRE vs IPSec Differences
Please discuss the concepts of GRE and IPSec, the pros and cons of each, with an implementation example along with the standard content which you have made for other course topics – basics, troubleshooting, step by step analysis of the packet headers and command outputs.
Create a course for iWAN Deployment:
Cisco Intelligent WAN, Thanks See cisco url below
Course, labs on IS-IS
IP SLA setup and troubleshooting including how to get IP SLA to flip over to other routes when protocol is up but there is an issue.
Create a course with Call Manager
Debug has so many options and just about everything has a debug, there is a keyboard shortcut for ending all debug operations, which I always forget. Also which kind of connection you have limits what you see, i.e. direct console or ssh. I would like to see an article just on debugging. I haven’t actually looked for this so you might have already covered it, this is just what came to mind while on this page.
Data Center Technology
vxlan and LISP 101 would be good
A simple tutorial on how Radius works where is it used and important protocols involved with it
Please excuse me if there is a topic for this but i couldn’t find it. I think that it will be great if there is an article explaining how to configure route-maps with access lists/prefix lists – to be more specific what does the permit in the acl do when there is a deny in the route-map and vice versa.
Deploying Cisco 5508 Wireless Controllers
Explanation of the different interface types, initial config and bringing a WLC online, AP Groups and Mobility Groups (redundancy).
Linux beginner and advance understanding
Starting from basic fundamentals of Linux to the advance levels of scripting and understanding.
CCNP Route lab
kindly create following labs for CCNP Route and explain it in your excellent way
EIGRP OSPF Redistribution Sim
EIGRP Evaluation Sim
Policy Based Routing Sim
IPv6 OSPF Virtual Link Sim
EIGRP Stub Sim
it will helps us a lot..
Data Center connectivity using Cisco Nexus
Multicast vpn over mpls
How to configuration multicast over mpls, using ssm, no Rp, static mroute, fallback-lookup global.
Hi it would be great if you can start tutorial on ipv6.
IKEv2 between ASA & Router
It will be great, if you write an article IKEv2 Tunnel between ASA & Router.
Hello.When can we expect to see a course on CCNA security?
OSPF route filtering
For CCIE lab it is important to know all kinds of filtering and traffic engineering methods within OSPF. I find it very difficult to have a nice overview of all the techniques used to filter in OSPF. Filtering based on stub areas, filtering based on OSPF database, summarization filtering, default routes, etc.. It would be nice to have all the different types of methods explained with examples.
Related on BGP/MPLS
How to export vrf received route into RiB using bgp.
Metro Ethernet Circuits …
Hi Rene ,
a course on metro ethernet would be great …
– Moving access management to FireSIGHT/FirePOWER.
– Troubleshooting from FireSIGHT
– IPS/AMP etc.
Wireless installation ,deployment and troubleshooting
Explaining DHCP in Detail
IKEv1 and v2 transaction
Would be better if we can get some IKEv1 and v2 state machine details
Redistribution between different OSPF processes
What are the reasons for doing redistribution between multiple OSPF processes, and how we do that with some examples
Data Center Topics
Create a course with IOS-XE, IOS-XR and NX-OS Topics.
More ASA topics
Failover, Twice NAT, DNS Doctoring
Hi , i wish we can have o quick overview of Cisco Waas , thank you
CCNA AND CCNP SECURITY
Hello, I am really impressed by this website and I think it would be really nice if you can create lessons on topics of security from scratch, like what are firewalls? why we need them,? How they work and going in depth with Palo Alto and ASA.Adding lessons for F5 load balancers would be also very nice.
Please do include TCP Flags and troubleshooting based on Logs in ASA firewall
If you Can include the lessons about TCP flags ,Since in the real-time world we need to check the Show Connections , based on the output we need to identify whether it is inboud/outbound and need to Understand how the TCP Connection got Closed with Reset-I ,Reset-O,TCP FINS, FIN-Timeout etc.., These information is not available in any of the Cisco ASA Videos, IF you Can explain these Concepts with Examples and Sample Scenarios its Fantastc Rene.
All L2VPN Topics
This this is huge demand in real time networks, please help us mastering this topic.
BGP Path Selection
I’ve not been able to find anything definitive on the site regarding how BGP selects which path to take/which attributes it prefers over others. It would be great to have a few examples or a video explaining this, to help when troubleshooting real-world scenarios.
Lesson that explains the technology and how to configure it.
How works IPTV
A brief description about how works an IPTV application
Lab of the week
Design weekly labs on random topics that present a topology and problem. Members submit their solution by the deadline. The member who found the most concise solution gets a member of the week award. This would keep all members active and interested.
You can have a topic about supervisors and difference between them.
Route Map with multiple BGP communities
Would love to see how the decision of the traffic flow based on Route Map with more than one BGP community at the same time in action. Will be nice to have a full demo on this.
UNL ( Unified Networking Lab )
Create lesson about UNL and how to use it and how to join it with GNS3 lab or with physical lab and how to use CCP with UNL as well as anything related to this topic
Understand and Configure Load balancers
DNS Records & zones
Create lessons that describe DNS records types and zone transfer
I think a handful of practice questions for each subject with detailed explanations would be a very good thing to do. This will help to reinforce the concepts and help towards being ready for questions on the real exams. They should be similar in difficulty to the real test questions.
Ethernet Fabric (Fabric Path)
Lesson about how works and configure Ethernet Fabric/ FabricPath
BGP Site of Origin (SOO)
Please create a lesson on BGP site of origin and the scenario(s) it will be applicable to use it.
Hello Rene is there a possibility to create lessons in de Voice topic.
VLAN Internet access
Configuration to Granting or restrict Internet access to VLANS
For interoperability with other HW manufactures, sometimes we need ISIS for the IGP.
Cisco Data Center
Cisco Data Cent has became one of the important subjects in the notwork filed including UCS , NX-OS .. etc
Brocade ICX and VDX
Can you add a quick tutorial for Brocade switches please?
ASA reverse route injection
How to configure, what is it used for ?
Service Provider topics
Hi Rene, When would you start Service Provider related material. it is very much needed to get a whole picture of networks.
EIGRP Computed distance explanation
Lesson on the difference between EIGRP computer distance (CD) and feasible distance (FD).
sparse multicast through a routed network
The new digital Personal Mobile Radio like Tetra (not cell phones) use multicast to transport vocoded audio (GSM) and database-updates, it would be nice to know exactly how it works.
Cisco Data Center
Create Course for Cisco Data Center or at least create topics like Cisco ACI and APIC , Spine and Leaf , FabricPath, OTV , and other data center technologies.
CCIE – QoS
first of all, I highly appriciate the simplicity how you are explaining every topic. You are bringing high amount of value. I would recommend to anybody that if they don`t understand some topic, than it is good idea to look on your explanaition for sure 🙂
Anyway, I have studied here QoS and I think that there are few topics missing :
– Queuing (FIFO/WFQ/CBWFQ …. ) it would be nice to have these explained …
– in general it would be nice to have some split in these .. that what is Congestion Management / Conegstion Avoidance .. when and what take places … you know, something in “your style” would be appreciated …
Thank you and wish you luck on your path !
Create Lessons about MAC flapping between port and how it happen and how to solve this problem
Regarding IPS Topics !
Badly needed some lesson on IDS/IPS related topics on your portal .Thx
FLEXVPN is a recent Cisco Technology that employs IKE2. Very similar to DMVPN but apparently superior.
Lessons that explain and demonstrate the technology as well as a comparison between DMVPN and FLEXVPN would be of value.
TCP Congestion Control
Create lesson that explain in detail congestion avoidance mechanism by the four algorithm ( slow start, Congestion Avoidance, Fast Re-transmit, and Fast Recovery ) that TCP used to avoid network congestion.
such as iWAN
This could be a topic in the CCIE R&S.
CCDP lessons & CCNP service provider lessons
I’m taking the ARCH 300 – 320
It’d also be very practical to have CCSP
it would have been cool to have them here !
IKE and IPSEC internals
Detailed explanation of IKEv1 and V2 Internals. DH groups etc. Debugging VPN negotiation.
MPLS route configuration
How are MPLS routers configured? Can we lab them on GNS 3 ?
Fibre channel over Ethernet
i would like to you create some topic about Routing on IOSXR
Hey would it be possible to get an introduction to IOS XR?
Palo alto firewall
Please create a course on Palo alto firewall. This device is hot now a days and have ultimate features.
I’ve heard that we do this on our firewalls to prevent stepping on remote and destination addresses. Not sure how we can set this up on the ASA though.
It would be great if we get asa multicontext and Active/Active Failover configuration.
VPLS and Pseudowire Circuits
Create a course with VPLS and Pseudowire connections.
Lesson on PPPoE and L2TP
Can you pls create a lesson on PPPoE and L2TP which describes in detail of both the protocols.
VTI – Both SVTI and DVTI
I noticed there was no mention of route-based VPN’s in the IPSec overview. A good topic would be to go over what VTI is and how it’s different from policy-based IPSec.
CCIE RS Workbook
CCIE RS Workbook
Lessons for CCNA security
Group encrypted transport VPN
Any chance you could put out a lesson for this?
L2VPN / L3VPN
Couldn’t find info about L2VPN / L3VPN. Could you please create one lesson to cover this topic? Thanks.
Hotspot in Cisco routers, possible?
Save your last topic
Save the topic where you left off. Next time you login you continue reading the last topic
Can you please explain how SDN can take our Network engineer jobs in the future. Do we reali have to learn programming. how SDN will change the networking. Is it for big companies or small companies will also adapt SDN?
Nexus Switches, VDC
The Nexus devices are very hot in the market. A good description on its working and configuration will be great. Also, VDC is something related to Configuration of these devices some explanation would be of much help.
MPLS QoS, Label stacking
I would like you something about MPLS QoS and Label Stacking with some examples configuration.
Thanks in advance
VIRL -labs-basic/intermediate configuration
I love VIRL but I am not that great with it. I am not that fond of their forums either. would be great to have some basic and intermediate labs setup in VIRL so that we can follow and use VIRL. not talking about installing VIRL and setting it up I am talking about using it for CCNA and CCNP and up.
Create lessons about TCP implementation like TCP tahoe, TCP Reno, TCP Vegas, and TCP new Reno and the algorithms that used in these implementation as well as the difference between them
PVST+ and MST interoperation
Although not very prevalent but this topic is still quite a mind bender. Could you do a lesson on this in your cliche Molenaar style ?
Upgrading and Downgrading the Software for the Nexus 3500 Series Switch – Using the Install All Command
i would like to read about data center
i would like to have articles on – racks for installation of servers , routers, switches + leaf spine network and other data center topologies
Explain NAT traversal and show some example.
Cisco Prime Infrastructure
Would you be able to have something on Cisco Prime Infrastructure?
RFC 1323 – Detail Explanation on TCP window scaling factors & How this works
I have seen a big bang explanation on RFC 1323 , I would be very happy if you can help me understand fully.
AND PERFORMANCE ROUTING
Network Design Course
I think it would be great if you can create CCDA course
Add saved Config files foeach tutorial
Can you add the config file in text format,wherever applicable, that was used for a specific tutorial.It saves a lot of time.Thanks
CCDP ARCH lessons
Designing Cisco Network Service Architectures.
You already have CCNP (Route) and CCNP (Switch).
it would be great if we could get a lessons for (CCDP ARCH) to cover a CCDP Certificate.
Thanks in advance.
BGP Aggregator Address,
How segment routing can be used as an alternate of LDP and RSVP.
ISIS and M-ISIS
Would appreciate if you could provide lessons on ISIS and MISIS routing protocols.
“show interface ” analysis
Discuss the meaning of the different counters, such as runts, throttles, babbles, etc. Give some examples of when these might occur, and where the best place to begin troubleshooting might be.
Application access authentication using LDAP is widely used these day. A tutorial explaining basic LDAP/AD config and going through sample example like LDAP search etc will be really useful
CCNA & CCNP Security
a coursework for Security certifications
There seems to be a lot of requests for network engineers to know alot nowadays, so as part of our network tool kit, will there be anymore lessons on newer Cisco ASA 5506-X — 5525X Firepower topics and more in the examples in the ASDM area?
include IOS release info for each topic/output
i’ve noticed much of the RS output is from 12.x code, which is not completely accurate in 15.x code. I understand it adds time to your content development cycle but it is very helpful for students learning / validating their knowledge
LISP Routing Protocol
Please cover the LISP routing protocol the same way you cover OSPF or EIGRP.
IWAN and OTV Lessons
Will you all ever do any lessons on these topics
Access and Aggregation Topics
Carrier Ethernet, TDM, (D)WDM, OTN, (G)PON, GMPLS, History (PDH,SDH, Sonet), xDSL, DOCSIS,
Nexus 9K VPC configuration
do you have a lesson on this?
if not, can you make one?
Thank you very much
CISCO Instant Access product line
Managing and configuring the Cisco IA product, i.e. C-6880-x and 6800 IA environments.
It would be really great if we can shed some light on L2VPNs and related tech like AToM
High Availabality on Cisco Asa
High Availabality on Cisco Asa
TRILL or CISCO FrabricPaths
Is there any possibility to provide a lesson on this topic?
Please and thank you! 🙂
It would be great to have a course for CCNA: Data Center certification.
This is a very hot topic in networking and it would be great to have a lesson on it!
As you mentioned in a reply post a subject in the BGP topic on Route Dampening would be helpful.
Control Plane Policing (CoPP)
It would be great if you can create a lesson on Control Plan Policing and Protection.
Many thanks in advance
Flex VPN is a new framework to configure IPsec VPN with IKE version 2
WAN Links overview
Hi Rene, I’m still fairly new at networking. Perhaps I’m getting ahead of myself but I think I’m missing some basic information about the various types of WAN links. I’ve configured serial links using WIC-1T’s and HWIC-1DSU-T1’s, what I don’t understand though is how these would be implemented in the real world. For example, what is the purpose of a WIC-1T when its cabling is restricted to such a short distance. Wouldn’t fastethernet be a better solution?
I have gone through ASA topic. it could be great if you create some session on checkpoint firewall.
I reckon Service Provider lessons would be a good addition. Thats my career path and would be happy if I can learn it hear.
More MPLS Topics !!
It would be great and cordially requesting you to give us some more lessons on MPLS. There are so many lessons missing here 🙁
Traffic monitoring on a cisco router
I am often turning up new sites and circuits on the job. The client traffic coming in to my edge router via a LAN interface and trying to connect to an application my company hosts at one of its 32 datacenters. I am familiar with commands on the router such as ip accounting or setting an acl to log but feel like I could use much more detail and maybe some more methods. In the real world it seems this arsenal of traffic monitoring skills (only using the router not other tools) is essential. Maybe you could provide some methods as to how you would interact with the customer when troubleshooting connectivity to hosted application across an MPLS cloud.
Please create course for wireless topics.
Create a course describing EVPN-PBB for use in MPLS L2 networks. I think the idea about VPLS would need to be implemented first. As this is new SP technology it would be really cool to learn.
OSPF LOOP PREVENTION
Can you please explain how OSPF avoids loop
Add a Q&A after each section
It would be great if you added a knowledge check after each section and at the end of the course. You could also have them indexed all in one place for final revision.
Network Management Software
It would be great if we could have a course for any Network Management software like Solarwinds or PRTG,
this is required for any Network job.
Front door vrf
Using Front Door vrf’s.
Filter Streaming Video with Cisco Firepower
Learn to to use application aware filtering on a Cisco ASA with Firepower to detect and block streaming video on a per VLAN basis.
ASA SNMP configuration
SNMP configuration on ASA with multiple contexts on failover pairs.
L2TP technology and deployment ideas
Please create a course on L2TP and scenarios it is deployed.
Cisco Group Encrypted Transport VPN (GET VPN) is a set of features that are necessary to secure IP multicast group traffic or unicast traffic over a private WAN that originates on or flows through a Cisco IOS device. GET VPN combines the keying protocol Group Domain of Interpretation (GDOI) with IP security (IPsec) encryption to provide users with an efficient method to secure IP multicast traffic or unicast traffic. GET VPN enables the router to apply encryption to nontunneled (that is, “native”) IP multicast and unicast packets and eliminates the requirement to configure tunnels to protect multicast and unicast traffic.
It’s difficult to find CCNP Collaboration study material right now. As a CCNP Voice (now a retired certification), I am finding it difficult to locate material to make the transition and add video knowledge to my VOIP knowledge.
CCIE RS written
Would you add the following topics onto your CCIE RS written lessons?
1) Evolved Technologies
This would be a better understanding of layer 4 and up so that a network engineer can better understand lower layer’s effects.
This regularly comes up in interview questions, beyond port numbers, but how clients server relationships work. This might encapsulate many listed topics here.
I would like to have Mock lab for each technology I learn, like after completing ospf a mock lab that covers all topics and same for BGP, EIGRP,QOS….. in CCIE level please.
I appreciate your time!
Split horizon poison reverse
Could you explain how split horizon poison reverse can avoid routing loops on EIGRP with EXAMPLE.
CCDP & CCDE
Some think that the design aspect of networking and certifications aren’t as useful as others, and that it’s meaningless in the industry. I personally feel that it is in EVERY part of networking and is a key factor to an optimal network. Often we learn about different devices and get a brief high-level explanation of their position in the design of the network; however, when it comes to designing the Internet edge, the WAN edge, and other modules of the enterprise network, it is very important to know the details of what goes where and how it should be configured. That gives you the baseline; then depending on organizational needs and constraints, we work from the baseline with various options that can produce the desired results,
We find bits and pieces of information here and there, given whatever technology we’re studying; nowhere except for Cisco documentation, which in itself only gives you bits and pieces, is there any instruction or reference that is complete with detail about each module of network design.
I feel this would be very useful and give the world of network engineers a better picture. Understanding what a device does and how to configure it is great, but understanding the role and the key position of players in the game is important as well.
eBGP with ipv6 examples
Example under eBGP section with ipv6 addresses just like those of ipv4 and explanation of dual stacking along with example.
It would be great if we could get some lesson on QoS Policy Propagation Through the Border Gateway Protocol. It will help to get deeper understanding of QPPB feature.
I need to know how to configure control-plain in our network environment.
Do you have any suggestions on this?
Network Engineering interview topics covered
Mostly asked interview questions for network engineers
Create a taskbook
I think it is worth to create a taskbook in the form of laboratory work to verify the knowledge in theory and practical skills. Personally, I would like to see a taskbook for the CCNP course.
Shortest path bridge topics
I start to study IEEE 802.1 Q nowadays. I want know more specific about SBP(Shortest path Bridge Protocol) and its control.
Leaking between Vrf’s
Leaking between Vrf’s
AQM(Active queue Management)
Create a course on WRED tail drop RED heirachichal schedulling
UDP dominance TCP starvation
impossible to find resources that explain the underlying mechanism of this phenomenon !
Here is how it is defined :
TCP starvation/UDP dominance likely occurs if (TCP-based) Mission-Critical Data is assigned to the same service-provider class as (UDP-based) Streaming-Video and the class experiences sustained congestion. Even if WRED is enabled on the service-provider class, the same behavior would be observed because WRED (for the most part) manages congestion only on TCP-based flows.
Granted, it is not always possible to separate TCP-based flows from UDP-based flows, but it is beneficial to be aware of this behavior when making such application-mixing decisions within a single service-provider class.
Edge Network Setup With Redundancy For SMB
Please create a course with full redundancy at the Distribution/Collapse Core for a small business Setup. with dual connections to the Internet either using routers at the edge or ASA firewalls (also explaining whats the difference or when to use either or). I also would like to know why there has to be a Switch in between the Edge Router and the Firewall or Switch at the Edge. it seems that security auditors like to see a switch in there.
Possible Topic – Network Troubleshooting Using Linux
Good evening. At my workplace, we have the opportunity to access end systems for troubleshooting purposes when there the supposed ‘looks like a network issue’ present. As a result, we can login to *nix hosts and trace packets from source to destination. What I am recommending as a subject, is your opinion concerning what you find to be very useful tools for troubleshooting connectivity. For example:
– route -n