Networking
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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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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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TCP Auto-tuning slow network performance
Starting with Windows Vista, there were improvements made to the network stack including a little known feature called TCP Window Auto-tuning. Â The auto-tuning feature allows newer versions of Windows to be able to adjust the RWIN value automatically on the…
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Design Considerations LACP LAG
Link Aggregation Groups are multiple connections between two switches that allow the switch to aggregate links/bandwidth between them. Â LAG’s are typically dumb in themselves without using Link Aggregation Control Protocol, LACP, on top. Â In fact, for instance, a (4) link…
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Cisco VIRL 1.1.1 Upgrade
Well after running Cisco VIRL for a while it has definitely grown on me and with each release it gets better. Â I have been meaning to upgrade to the latest version that was announced/released just a few days ago –…
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Glasswire Windows 10 Network Monitor and Firewall
If you are looking for a great, versatile and useful network monitor and firewall for Windows 10 besides the builtin functionality provided in the box with Windows 10, meet Glasswire. Â Glasswire provides a really neat concept of a timeline for…
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Cisco VIRL Review
After using Cisco VIRL for a few days now, I wanted to write up a post on my thoughts and maybe even calling it a pseudo Cisco VIRL review of sorts. Â However, I will keep this post updated as to…
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Use PRTG Monitor Internet Connection
If you are looking for an all around great network monitoring tool, then PRTG Network Monitor is a great choice. Â It is a pay for product, however, if you only have need for 100 or fewer sensors, you can use…
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Autonetkit not working VIRL
Recently, I decided to get my hands on VIRL which is the Virtual Internet Routing Lab software from Cisco. Â Being a long time GNS3 user, I wanted to see how comparable or superior VIRL is to GNS3. Â So far I…
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Configuring jumbo frames between two servers
In tweaking an AppAssure environment recently, I ran through Dell documentation on performance tweaks that are mentioned to help improve AppAssure backup performance. Â One of the recommended tweaks for network performance is setting up jumbo frames between your primary core…
