Lindsay Hill network control, visibility, management

HP VSR Portal Redirection

When implementing HP IMC UAM, you may need to redirect users to the IMC webserver, for device registration & configuration, and obtaining user 802.1x certificates. One method of doing this is to put users into an initial “Registration” VLAN, and configure an HP Comware device to redirect all web traffic. Here’s how to do it using HP’s VSR Virtual Router.

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Network Automation - Stop Fighting It

Network Engineers should be embracing the idea of automating away the drudgery of running a network. They should be looking for ways to ensure the network can dynamically change its operation to ensure optimal application performance. But it seems there will be a lot of resistance to this, and it won’t be technical: It will be cultural.

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War Stories: Switches Lying about Duplex Mismatches

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Software Support - Are You Getting Value?

Companies pay a lot of money for software support. But do they always get value for it, and do vendors sometimes prolong the “supported” life of a product simply to bank extra revenue? We should hold vendors to account, and demand better.

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Can't Start HP IMC on Linux?

I was recently asked about how to start IMC on a Linux server. After the initial installation, the system had been restarted, and now IMC wasn’t running. How to start it again?

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HP Restricting Access to Server Firmware Updates

HP has announced that they will only provide firmware updates to customers with a valid warranty, Care Pack or support agreement. HP says:

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HP Wireless Future: Reading the Tea Leaves

Recently I posted some speculation about where HP is going with their Comware and ProCurve networking lines. But what about the wireless gear? Where’s that going? As before, I have no inside information on this, and I’m just speculating based upon public information: Do your own research and thinking before making major purchasing decisions.

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HP Comware vs ProCurve: Reading the Tea-Leaves

HP acquired 3Com in 2009. This added a large range of routing, switching and wireless networking to HP - but they already had existing ProCurve wired and wireless hardware. Clearly there’s overlap, so what’s the future of HP Networking? Where do they go with hardware and software? Here’s some speculation on my part.

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ScienceLogic Architecture Overview

This is a basic overview of the ScienceLogic EM7 system architecture, describing the various components, their functions, and how they can be combined or split across multiple systems. I’ve been deploying ScienceLogic systems recently, so this blog acts as my own notes/summary.

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War Stories: Loops that Permanently Broke the Network

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