What does apply to mean in NSX Firewall?

When I first started using NSX I ran into this little problem.   What does apply to mean and how should I use it? Background I believe the background for the apply to is from[…]

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Network Protocol: Mac Address

Mac Addresses – Data Layer Each physical network interface card (NIC) has a unique identifer assigned to that NIC.   This unique identifier is called a Mac Address.  A mac address contains a vendor ID and[…]

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Network Protocol: IP

IP – Network Layer Internet Protocol is the end to end addressing system used on the Internet with the Domain name system to identify unique hosts. Host and Net An IP address is made up[…]

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Network Protocols

Protocols are agreed upon standards.  Without protocols computers would be unable to talk to each other.  In networking terms protocols are a lot like languages.  Imagine if this website was in german and you only[…]

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Brocade Zoning via scripting

Update: If you are looking for instructions for FOS 7 go here. From time to time I have to handle some storage zoning.  I use mostly brocade fiber channel switches.  They are pretty easy to[…]

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Scripting out vSwitches in VMware

Virtual switches are a fun topic in ESX,  They are unique on each ESX node and not shared across the cluster.  This problem was addressed in ESX 4.0 with distributed virtual switches (DVS) which allows[…]

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VLAN Tagging in Linux

Recently I have been doing some reworking on networking at work. One of the new requirements is that everything be network connection be a tagged VLAN. This is a pretty simple process in Red Hat[…]

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