Network Management – Page 12 – Router Switch Blog

Video to Show Private VLANs & Configure PVLANs on A Cisco Switch

Posted on December 20, 2012 by RouterSwitch Tech | 0 Comments

In this video (from YouTube), Keith Barker will explain the concept of private VLANs and then demonstrates how to configure them on a Cisco switch. This video show is very useful to help you prepare your Cisco Certification and ameliorate…

How to Configure GLBP in Cisco IOS Routers?

Posted on December 19, 2012 by RouterSwitch Tech | 0 Comments

Gateway Load Balancing Protocol (GLBP) as the name implies can be used to configure Gateway redundancy between a group of routers and at the same time load balance the traffic across all of them. GLBP is similar to the High availability…

Cisco First Hop Redundancy Protocols: HSRP, VRRP, GLBP

Posted on December 18, 2012 by RouterSwitch Tech | 0 Comments

When designing a network, one of the common things to focus on after simple access is how the network will deal with failure. Part of this process is trying to build as much redundancy into the design as financially possible,…

What You Should Pay Attention to Cisco Aironet Access Point While Purchasing?

Posted on December 14, 2012 by RouterSwitch Tech | 0 Comments

General Information of Cisco Aironet Access Point As WLAN deployments expa order brand viagra nd, security, scalability, reliability, ease of deployment, and management become increasingly important. Cisco provides a comprehensive line of access points that deliver enterprise-class features for business-ready…

Feature Comparison of Cisco Main Catalyst Switches-Catalyst 2960, 2950, Catalyst 3560, 3550

Posted on December 13, 2012 by RouterSwitch Tech | 0 Comments

In order to help Cisco users or buyers know the popular Cisco catalyst switches, 2950,

FAQ: What Network Users Care about IPv6?

Posted on December 11, 2012 by RouterSwitch Tech | 0 Comments

This article contains Frequently Asked Questions (FAQ’s) about Internet Protocol Version 6(IPv6). Q. How to limit clients getting an IPv6 address without using a DHCP server ? A. Use the command“ipv6nd prefix <prefix> no-advertise”.This will set a bit in theIPv6 NA…

How to Configure GLBP?

Posted on December 10, 2012 by RouterSwitch Tech | 0 Comments

Gateway Load Balancing Protocol (GLBP) provides redundancy for IP networks, ensuring that user traffic immediately and transparently recovers from first hop router failures, while allowing packet load sharing between a group of redundant routers. GLBP provides load balancing over multiple…

10 Things to Know About the Cisco CCNA Voice Certification

Posted on December 5, 2012 by RouterSwitch Tech | 0 Comments

The new Cisco CCNA Voice certification can help you verify that you have the specialized voice- over-IP (VoIP) skills that are in high demand among employers. Not sure if the Cisco CCNA Voice certification is the right path for your…

How to Fix OSPF Split Area with GRE Tunnel?

Posted on November 30, 2012 by RouterSwitch Tech | 0 Comments

‘How to Fix OSPF Split Area with GRE Tunnel?’ Well, here we will share a document of Fixing OSPF Split Area with GRE Tunnel from Cisco Support Community, which tell us the details and steps to configure OSPF, GRE Tunnel…

Tips & Examples: Configuring a GRE Tunnel

Posted on November 29, 2012 by RouterSwitch Tech | 0 Comments

Tunneling provides a mechanism to transport packets of one protocol within another protocol. The protocol that is carried is called as the passenger protocol, and the protocol that is used for carrying the passenger protocol is called as the transport…

How to Configure Spanning Tree Protocol (STP) on Catalyst Switches?

Posted on November 29, 2012 by RouterSwitch Tech | 0 Comments

Spanning Tree Protocol (STP) is a Layer 2 protocol that runs on bridges and switches. The specification for STP is IEEE 802.1D. The main purpose of STP is to ensure that you do not create loops when you have redundant…

How the Root Bridge and Ports are Chosen?

Posted on November 16, 2012 by RouterSwitch Tech | 0 Comments

The Root Bridge In STP configured switched LAN or broadcast domain, a switch is designated as the root bridge. The root bridge serves as an administrative point for all spanning-tree calculations to determine which redundant links to block. An election…

Root Port Selection on a Switch

Posted on November 16, 2012 by RouterSwitch Tech | 0 Comments

Best Paths to the Root Bridge After the root bridge has been designated for the spanning tree process, the next process is to determine the best paths to the root bridge from all destinations in the network. The best path…

VLAN Switch Port Modes

Posted on November 14, 2012 by RouterSwitch Tech | 0 Comments

When you configure a VLAN, you must assign it a number ID, and you can optionally give it a name. The purpose of VLAN implementations is to associate ports with particular VLANs. You configure the port to forward a frame…

Types of VLANs

Posted on November 14, 2012 by RouterSwitch Tech | 0 Comments

“Hello, i am getting difficulty in the types of VLAN?? Please explain the following: How many types of VLAN are existing? Explain each type? Types of traffic VLAN can carry?” There are different types of VLANs. The type of network traffic…

Cisco Released Cisco ASA Software 9.0

Posted on November 6, 2012 by RouterSwitch Tech | 0 Comments

Version 9.0 of the Cisco ASA software has now been released. Here are some of the major features in the new release. Filter ICMP by ICMP code Clustering of multiple ASAs OSPFv3 and EIGRP support IPv6 support on outside interface…

Five Things You Should Know About DHCP Snooping

Posted on November 6, 2012 by RouterSwitch Tech | 0 Comments

DHCP snooping allows the switch to monitor and control DHCP messages received from untrusted devices connected to the switch. When DHCP snooping is enabled, the system builds and maintains a database of valid IP-address/MAC-address (IP-MAC) bindings called the DHCP snooping…

Cisco VTP Version 3, Is VTP Making a Comeback?

Posted on October 31, 2012 by RouterSwitch Tech | 0 Comments

What is VTPv3? VTP version 3 is the third version of the VLAN trunk protocol and enhances its initial functions well beyond the handling of VLAN matters. There is a document at Cisco.com about VTPv3. Let’s dig into that. Features The…

STP (Spanning Tree Protocol) Path Selection

Posted on October 29, 2012 by RouterSwitch Tech | 0 Comments

The Spanning Tree Protocol (STP) is a network protocol that ensures a loop-free topology for any bridged Ethernet local area network. The basic function of STP is to prevent bridge loops and the broadcast radiation that results from them. Spanning…

Cisco Nexus Switches: Layer 2 Configuration Strategies

Posted on October 24, 2012 by RouterSwitch Tech | 0 Comments

The Nexus switch line, including Nexus 5000 and Nexus 7000 switches, provides various features and capabilities configuring a Layer 2 network. In the chapter “Layer 2 Support and Configurations,” from the book NX-OS and Cisco Nexus Switching: Next-Generation Data Center Architectures by Kevin Corbin,…

How to Set Up IPSec Direct Encapsulation on Cisco Devices?

Posted on October 10, 2012 by RouterSwitch Tech | 0 Comments

With the importance of internet security being at the forefront of everyone’s mind these days, importance of keeping data safe while in transit is vital. There are of course a number of different technologies that are available to keep data…

Understanding Cisco IOS Static Multicast Routes

Posted on September 25, 2012 by RouterSwitch Tech | 0 Comments

In this short article we’ll take a look at Cisco IOS static multicast routes (mroutes) and the way they are used for RPF information selection. Multicast routing using PIM is not based on propagation of any type of multicast routes…