The following configuration will allow a Cisco 800 series to be used as a modem, with authentication and other functionality offloaded to another device.

High speed WAN services differ from the typical xDSL connection in that they terminate on either Fast Ethernet or Gigabit Ethernet ports. This can also be the case with xDSL services on routers which do not have ATM ports and instead bridge to an external modem. The issue with…

Plugging in a PoE phone into a Catalyst 3550 results in the phone not powering up and the following being logged in the console. The fix is to delay the switch shutting down the interface, which gives the phone enough time to activate the link. The following is required under the…

I’ve been doing a large amount amount of work with NFS clients and severs over the past few days and thought it may be wise to note down some useful commands. For reference, the NFS Server is Windows Server 2012 R2 and the client is CentOS 7. To view NFS exports on a server To…

Quick snippet for manually backing up and restoring a MySQL / MariaDB database. Backup Restore

Sometimes when a certificate is imported the associated private key is missing, this can occur for a number of reasons - for example, the key being imported through the MMC Certificates console while the pending request is in Exchange/IIS. Often this will result in errors when…

With most simple configurations the public IP for outbound traffic will be the IP of the external interface. Sometimes this is not desirable as there may be a need to have different departments or VLANs (ie, Guest VLANs) exit the network through another public IP address, one…

Two quick methods to find the password expiry date of an Active Directory user account. With cmd.exe With PowerShell A bit longer but potentially more useful for integration into larger scripts. Alternatively can be replaced with to show all accounts.