Prevent DDoS on Network Devices
Rate Limiting With some types of DoS attacks, there’s not much you can do to stop the flow of […]
Cisco AP Discovery and Join WLAN controller
Access point (AP) registration consists of a discovery and join process. Registration is the first step in getting your wireless network […]
Cisco WLAN AP placement
The APs would be connected to your access layer switches in a management or other isolated VLAN to keep the […]
Asterisk – Basic (Extension, SIP phone, Voicemail)
There are multiple types of extension in Asterisk, which are using different ports to register. The most popular one is […]
VoIP
VoIP
DHCP OPTION 43 Configuration Example
TLV values for the Option 43 sub-option: Type + Length + Value. Type is always the suboption code 0xf1. Length […]
Storm Control (raffic suppression)
Storm control prevents traffic on a LAN from being disrupted by a broadcast, multicast, or unicast storm on one of the […]
SIP trunk registration
Sip registration proxy End-to-End Mode In the end-to-end mode, Cisco UBE collects the registrar details from the Uniform Resource […]