Working on a tool to calculate IP ranges, I realized that I didn’t have a way to test if an input was an IP or a subnet mask! Thankfully subnet addresses are fairly easy to ID since they all start with 255 and, in binary, never have a 1 follow a 0. param ( [Parameter(Position [...]
Archive for the ‘Networking’ Category
Of IPs & Subnets
January 27th, 2010
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While if you look, there are tools to calculate a IP subnet/address range, they all seem to rely on string splitting and converting the address to binary manually. Which I think is bulky, hard to maintain, and more importantly, not that elegant. So pulling to mind my Cisco CCNA classes where my instructor would drill [...]
Dell Powerconnect switch
February 9th, 2009
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For you Network Admins out there that are running a network with both Cisco and Dell switches. These two commands do basically the same thing. Cisco: show mac-address-table Dell: show bridge address-table
