Monthly Archives: March 2021

Cisco password type 7 Vigenère cipher seed/keyword

Posted on March 22, 2021 by scotia

If you were ever wondering what the seed (keyword) is for Cisco’s password encryption type 7 (which uses the Vigenère cipher), in ASCII it’s: or in hex:

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Private vLANs

Posted on March 22, 2021 by scotia

Having just implemented private vLANs on a Cisco 3750X switch I thought I’d share some findings. A private vLAN configuration consists of a primary vLAN, zero or one isolated vLANs, and zero or more community vLANs. When associated with each … Continue reading →

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