Aruba AP Tunnels and MultiZone

1) Aruba AP Tunnels — Architecture & Forwarding A. Big picture In Aruba’s controller–based architecture (Campus AP / RAP), each AP: Discovers one or more controllers (L2 ADP, DHCP option…

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Channel Bonding and Frame Type

1. Channel bonding What It Is Channel bonding is the process of combining two or more adjacent 20 MHz Wi-Fi channels into a single, wider channel to increase throughput. In…

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EIRP and OFDM

1. EIRP (Equivalent/Effective Isotropic Radiated Power) Definition EIRP is the total RF power radiated from an antenna in the direction of its strongest emission, assuming the antenna radiates equally in…

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Radio Frequency Band

What RF bands are Wi-Fi’s main frequency bands (2.4, 5, 6 GHz) UNII sub-bands in 5 GHz and 6 GHz Channel numbering & widths Range vs. speed trade-offs Regulatory aspects…

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WLAN Fundamentals

1. What IEEE 802.11 Is IEEE 802.11 is a family of standards created by the Institute of Electrical and Electronics Engineers (IEEE) for wireless local area networking (WLAN). It defines:…

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Route Redistribution

Route redistribution is the process of sharing routing information between different routing protocols or instances within a network. It’s used when a router needs to advertise routes learned from one…

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Administrative distance

Administrative Distance (AD) is a metric used by routers to determine the trustworthiness of a routing protocol when multiple protocols provide routes to the same destination. It acts as a…

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How to upgrade Cisco switch firmware

Step 1: Transfer the Firmware File to the Switch Using SCP (Secure Copy): Switch#copy scp: flash: #copy firmware from remote location using Address or name of remote host []? 10.0.0.3…

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VXLAN: Virtual Extensible LAN

VXLAN (Virtual Extensible LAN) is a network virtualization technology that addresses scalability and segmentation limitations of traditional VLANs in modern data centers and cloud environments. VXLAN encapsulates Layer 2 Ethernet…

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