layer 2
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NSX
Extend layer 2 DR network with VMware NSX
One of the especially tricky things that you have to deal with when thinking about a DR situation where you have a failover to another location is network connectivity. This comes into play especially with legacy applications that may have…
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Networking
Stretch layer 2 with OTV
Lately, in looking at different ways to stretch layer 2 with various technologies, I have been proof of concepting various ways to do this in router labs.  In a recent post Stretch VLANs across routers L2TPv3, we see how to utilize L2TPv3…
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Networking
Stretch VLANs across routers L2TPv3
Recently, I have been working a good bit with DR network connectivity and other DR DCI concerns. Â A typical scenario today has a virtual environment in one Site as production and another virtual environment in another site, Site B, as…
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Networking
Configure Inter VLAN Routing with Multiple Switches
The question comes up often when talking about inter vlan routing and how this is done with multiple switches in a production environment. Â Many examples only show inter vlan routing with a single switch. Â The concept for multiple switches really…
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Networking
Home Lab Create a DMZ VLAN
A really cool fun project I have been wanting to take on at home for a while now is to create a DMZ environment using my Cisco SG300-20 switch, VLANs, inter vlan routing, ACLs, and VGT or VST. Â If you…
