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VLAN InterSwitch Link (ISL) Protocol Analysis
Deciding whether to use ISL or IEEE 802.1q to power your trunk links can be quite confusing if you cannot identify the advantages and disadvantages of eac…
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Brute-force attacks are commonly known attack methods by which hackers try to get access to restricted accounts and data using an exhaustive list/database…
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A long-long time ago (not long ago in earth time) 100 Mbps was THE technology. 100 Mbps uplinks bundled with ether-channel was the ultimate uplink technol…
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This article explores the need for Secure Access Service Edge (SASE) in today’s organizations. We show how one of the most advanced SASE platforms availab…
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The Cisco NX-OS checkpoint feature provides the capability to capture at any time a snapshot (backup) of the Cisco Nexus configuration befo…
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Apple Mac OS X users are frequently faced with the Cisco VPN Client Error 51 - Unable to Communicate with the VPN Subsystem as shown in the screenshot bel…
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NAT (Network Address Translation) is a method that allows the translation (modification) of IP addresses while packets/datagrams are traversing the networ…