Information Technology, and other interesting things …
I know, it is an unsupported configuration to create a site-to-site VPN to Microsoft Azure with a FortiGate firewall. But a FortiGate device is what i have and only to run some test’s I don’t want to buy some of this expensive supported firewalls. I tried a lot of configurations, but nothings seams to run … Read More “Create site-to-site VPN with FortiGate to Microsoft Azure” »
i need often to calculate network addresses, subnet-masks/bits, Hosts and more. For this i wrote this script Network.bas, which you can implement in your Excel file or your Default template book.xltm: i implemented this functions: NetworkCalculate Add or subract from an IP-Address: NetworkBitsToSubnetmask NetworkBroadCastAddress NetworkClientHighestAddress NetworkClientLowestAddress NetworkClientRange NetworkSubnetAddress NetworkSubnetMaskToBits NetworkBitsToSubnetMask
Shortly i need to connect a Synology NAS to two separated networks. At default you can only define one Gateway for your Synology NAS. To define a second route, do this steps: Activate SSH access to your Synology NAS: configure first LAN interface: configure second LAN interface: configure default gateway: Connect to NAS by ssh … Read More “add second default route to Synology NAS” »
Did you ever wonder, how to backup your cisco configuration on a regular base? Earlier you need a tool which made the backups for you. Since IOS version 12.2(25)S cisco has integrated the archive command, which can backup the IOS configuration based on time or an event: archive log config logging enable notify syslog contenttype … Read More “backup Cisco configurations” »
In the last time i have a lot to do with creating and testing SNMP monitors in our monitoring system. Rather than being surprised when a SNMP monitor doesn’t work correctly, i would like to test my newly created monitors against a SNMP simulation tool. So i was looking for an SNMP simulating tool. But … Read More “new SNMP simulation tool” »
Sometimes you need a SCOM Rule which was calculated from one or more SNMP values. Maybe the values have to be calculated, cause the value is in an unhandy format or unit. In this example i will create a Rule and a Performance View to show the autonomny time for an APC UPS. The originaly … Read More “Create a calculated SNMP Rule in SCOM” »
If you create a guest network with a Cisco Wireless Lan Controller, you will like to create and import a third-party SSL-Certificate for the Web Auth page. If you don’t add a third-party SSL certificate, your guest users will receive an error-message, that the WLC’s selfsigned certificate isn’t valid. Cause i searched long time around, … Read More “Add third-party SSL-Certificate to Cisco WLC’s web authentication page” »
Did you ever need to know, to wich network switch a computer is connected? When you are a system administrator in a large company with tousends of users, this can be difficult. But when you use SCCM for OS or Software deployment, you have a good inventory tool integreated. Unfortunately SCCM by default only collect … Read More “Collect CDP informations with SCCM” »