Tag: Tricks

Fortigate: Best Practices Guide (per Topic)

This Best Practice Guideline for Fortigate is compiled from both FortiOS 5.2 and 5.4 for common issues encountered by myself and shared to everyone to ensure the most secure and reliable operation of our Fortigate units. This is updated periodically as I come across known issues and best practice recommendations. A. General Configurations  Below are … Continue reading Fortigate: Best Practices Guide (per Topic)

SPAN Configuration Examples

Configuring Simple SPAN session Make sure the destination interface is configured with command: # switchport monitor C2950#configure terminal C2950(config)# C2950(config)#monitor session 1 source interface fastethernet 0/2 destination interface fastethernet 0/3 no shut end C2950(config)#show monitor session 1 STATE SHOULD SHOW UP. Other Configuration Examples for SPAN This section includes the following topics: Configuration Example for a … Continue reading SPAN Configuration Examples

Sonicwall Global VPN Client: Sonicwall GVC unable to connect through certain ISPs

In some cases, Sonicwall GVC is unable to connect to select ISPs/Networks, where it is proven working elsewhere (3G Tethering or other ISPs). Usual troubleshooting and things to look at is if VPN IPSec Passthrough is enabled on the home modem or router. There is another troubleshooting step that is worth trying, which is to … Continue reading Sonicwall Global VPN Client: Sonicwall GVC unable to connect through certain ISPs

Cisco: Password Recovery and Factory Reset of Cisco Catalyst 2960/2900-series

Password Recovery Procedure Not surprisingly, the instructions for Cisco Password Recovery Procedure are found readily on the internet via any search engine. On this page, one merely needs to scroll down to the particular product series and click the respective link. We are interesting in the documentation for Password Recovery of the Cisco Catalyst Layer 2 fixed configuration … Continue reading Cisco: Password Recovery and Factory Reset of Cisco Catalyst 2960/2900-series

CheatSheet: Brocade Commands

Here is just a reference for people to have a quick look and search. The list of  Brocade SAN Switch CLI commands() version Kernel:     2.6.14.2 Fabric OS:  v7.1.0c Made on:    Tue Apr 16 18:06:01 2013 Flash:        Wed Dec 11 16:18:22 2013 BootProm:   1.0.10 aaaconfig                  Configure RADIUS for AAA services ad                         Specifies all administration domain … Continue reading CheatSheet: Brocade Commands

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

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”