Posted inWireless
How to Firmware Upgrade Ubiquiti UniFI AP Long Range
Just bought some used Ubiquiti UniFI AP Long Range access points for my own internal…
Install Aten UC232A driver El Capitan and Sierra
If you are looking for help on how to install Aten UC232A driver El Capitan…
Posted inMikrotik
How to configure Mikrotik L2TP Server over IPSec
This article shows you how to configure Mikrotik L2TP server over IPSec. With the release…
Posted inNetwork
How to configure SPAN and RSPAN in Cisco Catalyst switches
Switched Port Analyzer (SPAN) allows you to send a copy of traffic passing through ports to another port on the switch. SPAN is important to mirror received or transmitted (or both) traffic on one or more source ports to a destination port for analysis. While SPAN is mirroring ports in the same switch, RSPAN(Remote SPAN) is mirroring ports in one switch to a port in different switch.
How to do source-based IP Routing in Linux
Our company has two upstreams for internet access. Assume that the upstreams are ISP1 and ISP2. The router is using Linux running BGP (Quagga) for dynamic routing between the two upstreams. See the image below for the sample of source-based IP routing topology.
Posted inNetwork
BGP Next-Hop Inaccessible
One of our customers complained that they did not receive several prefixes from our router / their BGP peer, but they received the prefixes from others (ISP). I had to go to check this routing table in our router.
Posted inNetwork
VLAN / Trunk Config in DELL PowerConnect 3024 Switch
This tutorial shows you how to configure vlan and trunk port in DELL PowerConnect 3024 Switch. If you are a network engineer, you must be already familiar with vlan and trunk configuration in Cisco Catalyst switches.
How to set static or fixed IP address using DHCP
By using DHCP you can set the computers to be static or fixed IP address. You might want to do IP-based policy for some of workstations inside you Local Area Network (LAN) and it makes easier to do IP-base policy this way. This tutorial shows you how to set static or fixed ip address using DHCP.
Posted inMikrotik
How to create tunnel interface on Mikrotik
In this article I want to show you how to create tunnel interface on Mikrotik. There are two types of tunneling supported by Mikrotik, IP-IP (IP over IP) tunnel and EoIP (Ethernet over IP) tunnel.
Posted inMikrotik
How to block Facebook using Mikrotik
In this article I want to show on how to block Facebook using Mikrotik in three steps. We will use Web Proxy feature included in Mikrotik. We assume the LAN (Local Area Network) address is 192.168.56.0/24 and the IP address of 'ether1' which facing to the LAN is 192.168.56.254.