BGP RR (Route Reflector) in EBGP
Is BGP RR used in EBGP ? You might think I mean IBGP , not EBGP or I mean BGP Route Server, not BGP Route Reflector but no I really mean BGP RR (Route Reflector). If you are reading this post, for sure you know what is BGP Route Reflector and it is used for …
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The post BGP RR (Route Reflector) in EBGP appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.
Synchronize Network Management Parameters across Network Devices
While I have stock homework assignments prepared for every module of the Building Network Automation Solutions online course I always encourage the students to pick a challenge from their production network and solve it during the course.
Pavel Rovnov decided to focus on consistency of network management parameters (NTP, SNMP, SSH and syslog configuration) across Extreme and Cumulus switches, Fortinet firewalls and several distributions of Linux.
Read more ...CCDE Practical/Lab Exam Result Policy
Many of my students have been asking whether CCDE Practical/Lab Exam Result policy is still the same. As you might know after CCDE 2017 May exam cancellation , practical exam results can be learned after 8 to 12 weeks. This mean, if you attend CCDE Practical exam, you cannot learn the result (Pass or fail) […]
The post CCDE Practical/Lab Exam Result Policy appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.
CCDE Practical/Lab Exam Result Policy
Many of my students have been asking whether CCDE Practical/Lab Exam Result policy is still the same. As you might know after CCDE 2017 May exam cancellation , practical exam results can be learned after 8 to 12 weeks. This mean, if you attend CCDE Practical exam, you cannot learn the result (Pass or fail) …
Continue reading "CCDE Practical/Lab Exam Result Policy"
The post CCDE Practical/Lab Exam Result Policy appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.
CCDE Practical/Lab Exam Result Policy
Many of my students have been asking whether CCDE Practical/Lab Exam Result policy is still the same. As you might know after CCDE 2017 May exam cancellation , practical exam results can be learned after 8 to 12 weeks. This mean, if you attend CCDE Practical exam, you cannot learn the result (Pass or fail) …
Continue reading "CCDE Practical/Lab Exam Result Policy"
The post CCDE Practical/Lab Exam Result Policy appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.
Telecom Operator Network Design Training
I missed writing , missed writing a post lot on the website specifically !. Because I know you are reading right now and wonder where I have been. I just checked and seen that my last post was on October 26. More than 2 months , I didn’t share anything on the website. I […]
The post Telecom Operator Network Design Training appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.
Telecom Operator Network Design Training
I missed writing , missed writing a post lot on the website specifically !. Because I know you are reading right now and wonder where I have been. I just checked and seen that my last post was on October 26. More than 2 months , I didn’t share anything on the website. I …
Continue reading "Telecom Operator Network Design Training"
The post Telecom Operator Network Design Training appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.
Telecom Operator Network Design Training
I missed writing , missed writing a post lot on the website specifically !. Because I know you are reading right now and wonder where I have been. I just checked and seen that my last post was on October 26. More than 2 months , I didn’t share anything on the website. I …
Continue reading "Telecom Operator Network Design Training"
The post Telecom Operator Network Design Training appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.
Network Command Reference
This page serves as a command reference and comparison of how to get information from the CLI across multiple networking vendors. ARP Show ARP Table Cisco show ip arp Arista show ip arp Juniper show arp Cumulus ip...continue reading
CCIE SP Written and Lab Content Updates v4.1
For those who may not have heard, Cisco recently updated their blueprint for the CCIE Service Provider Written and Lab Exams. According to Cisco, only about 10% of the overall blueprint has changed and topics on 4.1 will be similar to those on 4.0. Read on to learn more.
Domain Changes:
4.1 domain topics are almost exactly the same as 4.0 topics. The main difference in domains is that domains 1 and 3 (service provider architecture and evolution and service provider base services) have been merged into one domain. While other domain topics did not change, slight shifts were made to domain weights.
Weighting of Domains:
Topic changes within the Domains:
- Domain 1 (Core Routing): No topics were added or removed within this domain, but some items were moved, rephrased, or merged into one single item.
- Domain 2 (Service Provider Architecture and Services) now holds tasks of the original domain 1 and 3. Other items that were part of domain 1, such as software architecture, mobility node functions, and virtualization concepts, were rephrased to better define their scope.
- Domain 3 (Access and Aggregation) had a few topics items removed.
- Domain 4 (High Availability and Continue reading
Show 373: Cisco’s Model-Driven Telemetry (Sponsored)
On today's sponsored Weekly Show, the Packet Pushers talk with Cisco about using model-driven telemetry for improved operations and troubleshooting. The post Show 373: Cisco’s Model-Driven Telemetry (Sponsored) appeared first on Packet Pushers.Weekend Reads 011918: IoT, Cyberthreat Thinking, and Techlash
Deputy Attorney General Rosenstein has given talks where he proposes that tech companies decrease their communications and device security for the benefit of the FBI. In a recent talk, his idea is that tech companies just save a copy of the Continue reading
Nokia Scores 5G Equipment Deal with NTT DoCoMo
It’s the first 3GPP-standards compliant 5G NR equipment deal that’s been announced.
Project Falco joins SONiC Community (Software for Open Networking in the Cloud) | LinkedIn Engineering
Linked chooses SONIC for hardware abstraction
IBM Finally Grows Revenue, Celebrates by ‘Marrying’ Salesforce
IBM’s cloud business brought in $17 billion in annual revenue in 2017.
Iguazio Boldly Taunts AWS’ Lambda with Nuclio Serverless Platform
An analyst firm sees some enterprises bypassing containers in favor of serverless.
Web Cache Deception Attack revisited
In April, we wrote about Web Cache Deception attacks, and how our customers can avoid them using origin configuration.
Read that blog post to learn about how to configure your website, and for those who are not able to do that, how to disable caching for certain URIs to prevent this type of attacks. Since our previous blog post, we have looked for but have not seen any large scale attacks like this in the wild.
Today, we have released a tool to help our customers make sure only assets that should be cached are being cached.
A brief re-introduction to Web Cache Deception attack
Recall that the Web Cache Deception attack happens when an attacker tricks a user into clicking a link in the format of http://www.example.com/newsfeed/foo.jpg, when http://www.example.com/newsfeed is the location of a dynamic script that returns different content for different users. For some website configurations (default in Apache but not in nginx), this would invoke /newsfeed with PATH_INFO set to /foo.jpg. If http://www.example.com/newsfeed/foo.jpg does not return the proper Cache-Control headers to tell a web cache not to cache the content, web caches may decide to cache Continue reading
SDxCentral’s Weekly Roundup — January 19, 2018
Comcast chooses AWS; Qualcomm puts up a fight against Broadcom; Maersk and IBM work with blockchain.