Cisco Catalyst 2960 Series Enables Routing
“Hi all, I have a 2960G 48 port switch here, I want to enable routing on this switch, but I can’t find how. I know this is normally is only a layer 2 switch, however since one of the latest…
Category: Hardware
Cisco VSS Configuration: Cisco Catalyst 6500 Virtual Switching System
A VSS is network system virtualization technology that pools multiple Cisco Catalyst 6500 Series Switches into one virtual switch, increasing operational efficiency, boosting nonstop communications, and scaling system bandwidth capacity to 1.4 Tbps. At the initial phase, a VSS will…
How to Configure DHCP Snooping in a Cisco Catalyst Switch?
Here we go, with the configuration of DHCP snooping on a Cisco Switch. This feature protects the network by allowing the Cisco Switches to accept DHCP response message only from the authorized servers connected to the trusted interfaces in a…
How to Configure DHCP Snooping?
DHCP snooping is a security feature intended to prevent rogue DHCP server from sending malicious DHCP replies. When DHCP snooping is enabled, the switch intercept all the DHCP requests, and discards DHCP replies coming from “untrusted” ports. The offending switch…
Cisco ASA 8.4 vs. Typical NAT/PAT Configuration
In computer networking, network address translation (NAT) is the process of modifying IP address information in IP packet headers while in transit across a traffic routing device. Here we will focus on NAT and PAT, as well as the related…
Cisco Announced End-of-Sale and End-of-Life for Cisco Catalyst 3750/3560G&E Switches
Cisco announced the end-of-sale and end-of-life dates for the Cisco Catalyst 3750G, 3560G, 3750-E, and 3560-E Series Switches. The official end of sale date is January 30, 2013. As is tradition, support will be provided for 5 years following the…
How to Configure Cisco Routers as Frame Relay Switch (FRS)?
Students and People who are preparing for the CCNA Exam often need to have a frame relay switch in their lab to practice for the Frame-Relay. How to configure Frame-Relay Switching on a Cisco Router? The following details and steps with…
VLAN Trunking Protocol (VTP) & VTP Modes
What is a VLAN Trunking Protocol (VTP)? “VTP allows a network manager to configure a switch so that it will propagate VLAN configurations to other switches in the network” VLAN Trunking Protocol (VTP) is a Cisco proprietary Layer 2 messaging…
How to Connect Cisco IP Phones?
When you buy all Cisco IP phones, without the power adaptor, so how to work? There are 3 options for connections. 1) Buy power transformer (CP-PWR-CUBE-3) directly; suitable for few Qty, will be an economic method. 2) If you have…
Four Modes to Access and Configure a Cisco Router
Cisco IOS Command Summary—Four Modes to Access and Configure a Cisco Router The four modes for accessing and configuring a Cisco router are: user EXEC mode, privileged EXEC mode, global configuration mode, interface configuration mode Each mode has a unique command set. Purpose of…
What You Could Do While Facing End-of-Life Cisco Hardware
Cisco Products reach the end of their Product Life Cycle for a number of reasons. These reasons may be due to market demands, technology innovation and development driving changes in the products, or the products simply mature over time and…
How to Configure IPSEC Encryption with the Cisco IOS?
How to Configure IPSEC Encryption with the Cisco IOS (site to site VPN tunneling)? The OSPF dynamic routing protocol is probably the most popular LAN routing protocol today. OSPF can scale to the largest LANs but can also start out…
“Router-switch.com”, Our New Company Landing in U.S.–Professional Cisco Supply Service is Around You
As router-switch.com founded its branch office in USA, it is also welcoming its 10th anniversary in 2012. From “a small potato” to “a big apple”, router-switch.com did a great effort to realize its goals one by one. Well, in fact,…
Cisco Routing Quiz for Preparing CCNA Exam
How to prepare Cisco CCNA Exam? What CCNA topics would be contained while preparing? Some CCNA experts pointed out 7 main CCNA topics (not for the test but for the real-world), IP subnetting, ACLs, Routing, Security – secure the router…
How to Configure VoIP on a Cisco 871 Router?
I would like to have some pointers – Can someone tell me how I can have configured the Cisco 871 Router for VOIP – incoming AND outgoing calls? Most Voice over IP services and applications offer substantial savings over regular…
Top 5 VoIP Concepts to Know for CCNA Voice—VoIP Basic for CCNA Voice Exam
The demand for IT professionals with a strong network background in Voice and Telephony technologies is growing. Brief Info of CCNA Voice Certification The Cisco Certified Network Associate Voice (CCNA Voice) validates associate-level knowledge and skills required to administer a…
How to Configure a Cisco Unified IP Phone 7921 with Call Manager Express?
The Cisco Call Manager Express (CME) software has a new name, Cisco Unified Communications Manager Express. However, it provides the same service, namely IP Telephony that runs on Cisco Integrated Services routers. The Cisco 7921 IP Phone is one of…
Main Network Hardware’s Difference: Integrated Devices, Router, Network Switch & Firewall
If you are used to working with home networking gear, you will be used to an integrated device that “does it all”. On a home network, you may have one box that is a cable/DSL modem, router, firewall, switch, and…
Cisco Debuts Linksys Smart Wi-Fi Routers-EA6500, the Linksys Universal Media Connector
Cisco’s latest Smart Wi-Fi Router, the Linksys EA6500 , features six antennas and 802.11ac wireless technology. Cisco is raising the bar on wireless networking and connectivity with its latest two offerings, the Linksys Smart Wi-Fi Router and compatible Universal Media…
How Router Interfaces get Their Names on Cisco Routers?
Why is your router’s Ethernet interface called Ethernet0/0 on one router but Ethernet 3/0 on another router? Where do these names come from? This tutorial will explain how Cisco router interfaces get their names. Where do Router Interfaces get Their…
Cisco Routers: Routing Systems Meet the Needs of Any IT Environment
Cisco router is increasingly preferred by more IT professionals over hardware by other brands. From small businesses to global enterprises, more organizations depend on Cisco routers to run their networks smoothly and reliably. Why Cisco Routers? Power – Other routers simply aren’t…
How to Know What Device is on What Port on a Cisco Switch?
Your network grinds to a screeching halt. All the switch port lights are solid, and your only theory is that the network is under attack. What do you do? Question: “I have 3 cisco switches, each 48 ports. How do…
