How to reset password on HP Aruba 2540 / 2500-series switches

If you forgot your login credentials to your Aruba or HP Switch without doing the usual password-recovery steps. The easiest way is to reset the passwords by pressing the CLEAR button on the front panel for not less than 5 seconds,  but not more than 15 seconds, of course you must have a physical access … Continue reading How to reset password on HP Aruba 2540 / 2500-series switches

Fortigate: Installing SSL Certificate for SSL-VPN Guide

INSTALLING A NEW SSL-VPN CERTIFICATE (To Renew Certificate, see separate article here) Generate a new CSR  to be signed by the CA Under System -> Certificates -> GenerateCreate a new Certificate Name Populate OU, Organization, City, Country and Email Address  Download the .CSR file Go back to Certificates page, Highlight the new Certificate Name you … Continue reading Fortigate: Installing SSL Certificate for SSL-VPN Guide

NZ Vendor/ISP Quick Reference

Service Provders (Technical Support) Digital Island (NZ) - 0800 999 010 Vodafone / DMZ Global: 0800 369 456 Vodafone Business: 0800 400 888 Vector Communications: 0800 826 436 PLAN B: 0800 266 846 Aryaka: Kordia: Spark: Vendors Sonicwall: 0508 242 108 Fortinet: 0800 880 461 Cisco: 0800 44 6237 Cisco Meraki: 09 - 974 9591 Aerohive: … Continue reading NZ Vendor/ISP Quick Reference

HP / Aruba Procurve 2530/2500 Default Management IP, Username/Passwrods and Configurations

Back-up of an existing config If you are performing a backup a config from another switch, two ways of downloading the configuration is through GUI and CLI (via TFTP) via GUI: (System -> Updates/Download -> Configuration File (Highlight config name and click Download) via CLI. (you need to set up a TFTP server on a … Continue reading HP / Aruba Procurve 2530/2500 Default Management IP, Username/Passwrods and Configurations

Cisco: All about errdisable (and how to enable ports disabled by it)

Errdisable is a feature that automatically disables a port on a Cisco Catalyst switch and is supported on most Catalyst switches running the Cisco IOS software. The Errdisable error disable feature was designed to inform the administrator when there is a port problem or error.  The reasons a catalyst switch can go into Errdisable mode and shutdown … Continue reading Cisco: All about errdisable (and how to enable ports disabled by it)

Understanding SPAN,RSPAN,and ERSPAN

Introduction: Switch port Analyzer (SPAN) is an efficient, high performance traffic monitoring system. It duplicated network traffic to one or more monitor interfaces as it transverse the switch. SPAN is used for troubleshooting connectivity issues and calculating network utilization and performance, among many others. There are three types of SPANs supported on Cisco products, which … Continue reading Understanding SPAN,RSPAN,and ERSPAN

Fortigate: Web Filtering is “Unreachable”

Came across this problem that I am unable to use "Web  Filtering" feature on my Fortigate 200B on Firmware 5.2.11 Web Filter error shows the following error before you can create a profile. Licensing information on Fortigate Portal shows I am licensed to use Web Filtering, but on my local firewall error shows "Unreachable" Things … Continue reading Fortigate: Web Filtering is “Unreachable”