Category Archives: Hardware

How to resurrect a GuruPlug

To install the GuruPlug you need: – JTAG Board – TFTP server – Linux Box connected to JTAG via USB (I’ve used Debian 8). Connect the UART port to the GuruPlug and the JTAG board to your Linux computer.

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How to configure a Nortel/Avaya 4550T-PWR switch – Part 2/2

In this part I’ll show the configuration steps to obtain the situation in this network schema. This is a really simple and real situation: a simple network using two separated VLAN one for Data and the other for Voip. Att.: … Continue reading

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How to configure a Nortel/Avaya 4550T-PWR switch – Part 1/2

In this post I’ll explain how to configure a Nortel/Avaya 4550T-PWR for a real application: SOHO with pc and Voip PBX using snom ip phone. To begin I’ll explain how to reset the switch, upgrade firmware: at the end I’ll … Continue reading

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How to Create an IPsec VPN Tunnel site-to-site between WatchGuard Appliance and a pfSense Firewall

Configure an IPsec VPN Tunnel site-to-site between WatchGuard Appliance and a pfSense Firewall it is not so difficult. In this post I’ll show all the configuration items to get the IpSec Vpn up and working.

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