Quick PowerShell Tip! To list all of the IP addresses on your local system, along with the associated interface name: Get-NetIPAddress | ft IPAddress, InterfaceAlias This will include all IPv4 and IPv6 addresses.
Tag Archives: networking
“Ping Hostname” Returning an IPv6 Address Instead of IPv4? (Windows)
On Windows based PCs and Servers, and where IPv6 is enabled on one of the network adapters, you may find that when you do a: ping name-of-host … you get an IPv6 address returned in the results. But what if you want to test IPv4 connectivity? You can add a -4 switch to the ping …
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CIDR, Subnet Masks, and Usable IP Addresses Quick Reference Guide (Cheat Sheet)
A quick reference Subnet and CIDR guide. What’s a /28? How many IPs do I get to use with a /26? Well, see the table below! Usable IPs is the Total IPs minus the Network and Broadcast IPs. CIDR Subnet Mask Total IPs Usable IPs /32 255.255.255.255 1 1 /31 255.255.255.254 2 0 /30 …
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Using dig to Query a Specific DNS Server (Name Server) Directly (Linux, BSD, OSX)
There may be occasions when you wish to query a DNS server directly. I often do it before changing DNS servers for a domain; I’ll setup the new records on the new DNS servers, and then query them directly to ensure they are returning the correct records. I recommend that anyone running DNS services for …
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