Category Archives: Cisco

Cisco Plays Catchup in DPI Test

If you’re a large enterprise with its own network, an ISP, or a company intent on claiming its own, online, the technology force of Deep Packet Inspection (DPI) is with you. But it may surprise you who shows up on the … Continue reading

Posted in Access Control, Cisco, Cloud Computing, Data, Innovation, Larger Enterprise, Manage, Network Management, Network Security, Optimisation, Optimise, Platform (PAAS), Security | Leave a comment

The EIGRP (Enhanced Interior Gateway Routing Protocol) metric

EIGRP (Enhanced Interior Gateway Routing Protocol) is a network protocol that lets routers exchange information more efficiently than was the case with older routing protocols. EIGRP which is a proprietary protocol evolved from IGRP (Interior Gateway Routing Protocol) and routers … Continue reading

Posted in Cisco, LAN, LAN Routing, Routing Protocols, Tech Tips, Uncategorized | Leave a comment

Rapid Spanning Tree Protocol

The IEEE 802.1D Spanning Tree Protocol was designed to keep a switched or bridged network loop free, with adjustments made to the network topology dynamically. A topology change typically takes 30 seconds, with a port moving from the Blocking state … Continue reading

Posted in Cisco, Data, LAN, LAN Switching, Tech Tips | Leave a comment

An examination of DHCP Snooping with option 82 on Cisco.

DHCP snooping is a DHCP feature that provides security by filtering untrusted DHCP messages from hosts or other devices on the network. DHCP snooping accomplishes this level of security by building and maintaining a DHCP snooping binding table. An untrusted … Continue reading

Posted in Access Control, Cisco, Data, Home Security, Infrastructure Security, Intrusion, LAN, LAN Switching, Network Security, Physical Security, Security, Small Business Secure, Tech Tips, Threat Management | Leave a comment

Layer 3 interfaces on Cisco Catalyst switches

Cisco Catalyst multilayer switches support three different types of Layer 3 interfaces: Routed Port – A pure Layer 3 interface similar to a routed port on a Cisco IOS router. Switch Virtual Interface (SVI) – A virtual VLAN interface for … Continue reading

Posted in Cisco, Data, LAN, LAN Routing, LAN Switching, Partner, Tech Tips | Leave a comment

Five Tips for Easy, Affordable Tech Support

A dark secret of investing in technology is the substantial cost of not doing the technical support well. You may increase productivity and profits at your business simply by adopting a new strategy for network maintenance and troubleshooting. Three small … Continue reading

Posted in Cisco, Partner | Leave a comment

Cisco Demonstrates the new Videoscape Home Platform at CES2011

An interesting video demo of this new platform from Cisco.

Posted in Cisco, Home Networking, Video Conferencing | Leave a comment