DNAT On Sonicwall

Setting up Destination NAT (DNAT) on a SonicWall NSv in AWS involves a three-step process: defining the Objects, creating the NAT Policy, and adding an Access Rule. In your specific…

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Hillstone Firewall Commands

Change password hillstone# configure hillstone(config)# admin user hillstone hillstone(config-admin)# password YOURPASSWORD Enable Services hillstone# configure hillstone(config)#interface ethernet0/0 hillstone(config-if-eth0/0)# manage https hillstone(config-if-eth0/0)# manage ssh hillstone(config-if-eth0/0)# manage snmp hillstone(config-if-eth0/0)# end Define Services…

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RIP

What RIP is (and isn’t) Type: Distance-vector IGP using the Bellman-Ford algorithm. Metric: Hop count (each router = +1). Best path = fewest hops. Infinity: 16 hops (so any route…

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Wireless Terminology and acronym

Access Point: Wireless Controller: Basic Service Set(BSS): Basic Service Area(BSA): Service Set Identifier(SSID): Basic Service Set Identifier(BSSID): Extended Service Set: Distribution System: Roaming: Interference: WLAN Channel layout:

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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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