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What are the changes in 2017 CCDE Practical/Lab exam ? As you might know, CCDE Practical/Lab exam was cancelled on May 2017 due to some leakage. Some people tried to sell the scenarios, Cisco cancelled the exam and revoke the certifications of those who involved with that cheating. Some people among them can be […]
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A few days ago I received an email from Juniper that Junos Genius had been relaunched. If you have never used …
The post Juniper Junos Genius – Relaunched appeared first on Fryguy's Blog.
Cloud-agnostic service platforms help organizations manage operational debt.
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Fig 1.1- CCIE Lab routing |
My friend Christoph Jaggi published new versions of his Metro- and Carrier Ethernet Encryptor documents:
Enjoy!
How Does Internet Work - We know what is networking
Media Access Control Security or MACSec is the Layer 2 hop to hop network traffic protection. Just like IPsec protects network layer, and SSL protects application data, MACSec protects traffic at data link layer (Layer 2). MACSec is standardized IEEE 802.1AE hop-by-hop encryption that enables confidentiality and integrity of data at layer 2. It encrypts entire Ethernet packet except Source and Destination MAC addresses on any device-to-device, switch-to-switch, router-to-switch, host-to-switch directly connected wired L2 connection. If we compare MACSec with, for example IPsec, MACsec provides same security but on layer 2 for each hop separately. On each hop, packets are
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Fig 1.1- BGP route reflectors |