August 2013 – Router Switch Blog

Static Route Configuration between Cisco IOS and IOS XR Comparison

Posted on August 29, 2013 by RouterSwitch Tech | 0 Comments

In this article we will list the main comparison of basic Static route configuration between Cisco IOS and Cisco IOS XR. Configuration Example: In this example we have R1 running Cisco IOS and PE1 IOS XR. In IOS XR static…

Cisco ASA SNMP Polling Via VPN Site-to-Site Tunnel

Posted on August 28, 2013 by RouterSwitch Tech | 0 Comments

How CAN you monitor your remote ASA over Ipsec Lan-to-Lan tunnel? Here in this article we will show the way to monitor your remote ASA over Ipsec Lan-to-Lan tunnel. Scenario: In our case we will try to use a common…

Q&A: How to Troubleshoot ASA, PIX, and FWSM?

Posted on August 24, 2013 by RouterSwitch Tech | 0 Comments

In this article we collected the answers for the questions on the Topic-Troubleshooting ASA, PIX, and FWSM. Note: It was provided by Kureli Sankar, which is available in the Ask The Expert section of Cisco Support Community. Q&A: How to Troubleshoot ASA, PIX, and…

Create IPv6 LAN-to-LAN VPN Tunnel on Cisco ASAs

Posted on August 23, 2013 by RouterSwitch Tech | 0 Comments

To create a Lan to Lan VPN tunnel on an ASA firewall with IPv6 addressing, what needs to be done? LAN-to-LAN VPNs are typically used to transparently connect geographically disparate LANs over an untrusted medium (e.g. the public Internet). Here…

Top 10 Cisco IOS Configuration Mistakes

Posted on August 21, 2013 by RouterSwitch Tech | 0 Comments

There are a number of common mistakes that are made while learning something about Cisco IOS. In this article it covers the largest of these misconfigurations. This list is of course subjective, but it should provide a good reference for…

How to Connect Cisco Wireless Access Point?

Posted on August 20, 2013 by RouterSwitch Tech | 0 Comments

Are you facing this trouble like this: you have bought a Cisco wireless AP without power supply, how to solve this problem? Here we share 3 options for you: Option1: Cisco Router→Cisco POE switch→Cisco AP Option2: Router→Switch (without POE)→Power injector→AP Option3:…

Why Highly Profitable Cisco to Lay Off 4000 Employees?

Posted on August 19, 2013 by RouterSwitch Tech | 0 Comments

Cisco’s earnings and revenue grew in the latest quarter as demand for its computer networking equipment increased. But CEO John Chambers called the global economy “challenging and inconsistent” and the company said it is cutting about 4,000 jobs, or about…

Quiz Questions to Know Wireless LANs

Posted on August 19, 2013 by RouterSwitch Tech | 0 Comments

Do You Know This Wireless LANs? Wireless LAN Concepts, Deploying WLANs, Wireless LAN Security. There are 9 quiz questions to know the key points of WLAN. Questions 1-4: Wireless LAN Concepts Questions 5-7: Deploying WLANs Questions 8-9: Wireless LAN Security…

Generals Qs of Cisco Catalyst 4500 E-Series and Its CenterFlex Technology

Posted on August 16, 2013 by RouterSwitch Tech | 0 Comments

The primary positioning of the CiscoCatalyst4500 E-Series: It is the Cisco lead modular access portfolio. This platform is positioned for enterprise wiring closet, small and medium-sized business (SMB) core/aggregation, and metro fiber to the home, office, and so on (FTTX)/aggregation.…

Cisco Launched Meraki MR34 Cloud-based 802.11ac Access Point

Posted on August 14, 2013 by RouterSwitch Tech | 0 Comments

To help organizations meet infrastructure demands while managing complex networks, Cisco’s newly formed Cloud Networking Group announced the Cisco Meraki MR34, the first 100 percent cloud-managed 802.11ac access point. This solution, which marries the current 802.11n Wi-Fi standard with innovations in…

What Things to be Considered While Upgrading ASA 5500 Series?

Posted on August 13, 2013 by RouterSwitch Tech | 0 Comments

When we upgrade an ASA 5500 firewall from 8.2 version to 8.3 or so, many things we need to list here. So we would like to share some tips about the ASA 5540 Firewall upgrade from the IOS 8.2.1 to…

Steps to Configure Static NAT with Route-maps

Posted on August 12, 2013 by RouterSwitch Tech | 0 Comments

A static NAT (Network Address Translation) configuration creates a simple translation entry in the NAT table, translating a particular local address to a specific global address and vice versa. These entries always remain in the table and are removed only if…

OSPFv3 vs. OSPFv2 Routing Protocol

Posted on August 8, 2013 by RouterSwitch Tech | 0 Comments

What is OSPF? Watch the video to learn OSPF: This article outlines few comparisons of OSPFv3 and OSPFv2 Routing Protocol. OSPFv3 has few similarities with that of IPv4 version i.e. OSPFv2 in some ways, like Packet Type, Interface Type, Neighbor…

How to Troubleshoot OSPFv3 Frame-Relay?

Posted on August 7, 2013 by RouterSwitch Tech | 0 Comments

Open Shortest Path First (OSPFv3) is a link state protocol that supports IPv6 and as well as IPv4. OSPF version 3 differs from OSPF version 2 for IPv4 as some changes have been incorporated to facilitate IPv6. This article demonstrates how…

Cisco IOS Versions and Naming Overview

Posted on August 6, 2013 by RouterSwitch Tech | 0 Comments

One thing that is often confusing to any network engineer (regardless of level) is the version and naming structure used by Cisco for their IOS images. Although the naming used for some of the newer devices is changing to a…

Basic HSRP Configuration Example On Cisco IOS XR

Posted on August 2, 2013 by RouterSwitch Tech | 0 Comments

The Hot Standby Router Protocol (HSRP) is an IP routing redundancy protocol designed to allow for transparent failover at the first-hop IP router. HSRP provides high network availability, because it routes IP traffic from hosts on networks without relying on…

CISCO1921 to Replace the Very Popular Cisco 1841

Posted on August 1, 2013 by RouterSwitch Tech | 0 Comments

Although Cisco announced the End-of-Sale and End-of-Life for the Cisco 1841 router 3 years ago, it still has a number of fans because of its high cost performance. Note: End-of-Sale and End-of-Life Announcement for the Cisco 1841 Integrated Services Router…