My technical Blog full of how to guides, code snippets and more.

Blog

Category: Networking
Clearpass TACACS+ Server with Cisco Nexus User Privilege Roles

Cisco Nexus NS-OS switches provide a slightly different way compared to their IOS variants at assigning privileges to users who login either via the local database or a remote source. IOS use privilege levels 0-15 where as NS-OS uses roles ‘network-admin’ and ‘network-operator’. IOS levels 0 provides no privileges, level 1 provides read only and […]

Read Post
TACACS+ configuration for Cisco, Aruba ProCurve, Comware switches

Operate a large estate of switch? Why not setup a TACACS server. User become accountable for network administration and that local password doesn’t need to be memorable, idea for when an administrator leaves and it doesn’t get updated. Cisco: Cisco Nexus: Aruba, HP ProCurve HPE, Comware

Read Post
How to remove Azure “reddog” DNS suffix

I recently noticed that the three VM’s I run in Azure (courtesy of my VSE subscription) had picked up a new DNS suffix. reddog.microsoft.com. You can find out more information about the DNS Suffix below: Why is there a “reddog” DNS Suffix for my VM’s? Page 1 of 0 | cloudelicious IP address assignment in […]

Read Post
How to add network routes to Proxmox NetPlan

I run a strange network topology with various VLANs and VPNs at home, in remote locations and in the cloud. Because of this, I needed to add routes to the NetPlan configuration file. In order to manually edit the interfaces file, first copy it: The file will contain the configuration for all interfaces configured via […]

Read Post
How to run a firmware upgrade on a Cisco 5500 wireless LAN controller

Need to upgrade the firmware on a Cisco 5500 WLC, here is a step by step guide. If your controllers are setup in a HA pair, these commands should be run on both, but missing out the AP upgrade setups.

Read Post
How to suppress IPv6 RA on Cisco and Cisco Nexus

Servers have a habit of automatically configuring IPv6 when an interface is added to a VLAN or Port though SLAAC. This is useful for client networks but not so useful for servers. It is possible to suppress RA messages to prevent this from a Cisco router interface. The command is slightly different on a Cisco […]

Read Post
Useful to know APC UPS CLI configuration options

Most of the ACP UPS configuration can be done from the GUI, by default it is set to DHCP. However, there are a number of other useful options that can only be accessed via the CLI commands. Below is a couple of useful commands. They are pretty self explanatory.

Read Post
How to enable VSF on Aruba switches

Setting up VSF Stacking on Aruba Switch is much easier than stacking on Cisco and ProCurve. Simply enable a VSF domain on your primary and convert two ports for stacking. Connect switch 2 and wait for it to reboot and join (this will happen automatically). Enable a second stack port on this switch and repeat. […]

Read Post