Network Management - Router Switch Blog

Site to Site VPN between ASA Firewall & Cisco Router

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

Here, in this article we will tell that how to configure Site-to-Site IPSEC VPN between a Cisco IOS Router and ASA Firewall. ASA configuration is not much different from Cisco IOS with regards to IPSEC VPN since the fundamental concepts…

DHCP Relay on the Nexus7000/NXOS Vs. IP Helper on the 6500/IoS

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

IP helper (now DHCP relay) works differently on the Nexus 7000 than on the Cisco 6500. The N7K imposes a VACL to filter local DHCP broadcast traffic, under the assumption that you’d be using DHCP relay when there is no local DHCP…

How to Configure site-to-site IPSEC VPN on Cisco ASA using IKEv2?

Posted on May 17, 2013 by RouterSwitch Tech | 0 Comments

The scenario of configuring site-to-site VPN between two Cisco Adaptive Security Appliances is often used by companies that have more than one geographical location sharing the same resources, documents, servers, etc. The Cisco ASA is often used as VPN terminator,…

How to Troubleshoot and Verifying OSPF Configuration?

Posted on May 15, 2013 by RouterSwitch Tech | 0 Comments

There are several ways you can verify and troubleshoot OSPF configuration and operation, listed below are the necessary command to do this: How to verify OSPF Configuration: Show IP route command Show IP ospf command Show ip ospf database command…

EIGRP on a Cisco ASA Firewall Configuration

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

The Cisco Adaptive Security Appliance is an integrated security equipment that can perform a variety of functions like firewall, intrusion prevention, VPN, content security, unified communications, and remote access. Among these functions, the ASA can also perform routing using popular…

How to Set up a Cisco ASA 5505 Firewall with a Wireless Router?

Posted on May 9, 2013 by RouterSwitch Tech | 0 Comments

This article is written by Lauren Malhoit talking about setting up a Cisco ASA 5505 firewall with a wireless router focuses on things you might encounter when doing the setup at home. The following detailed story is Lauren Malhoit’s experience…

How to Reset a Cisco Router Back to Factory Defaults?

Posted on May 3, 2013 by RouterSwitch Tech | 0 Comments

There are two main methods to return a Cisco router to its original factory defaults. These two methods are described below. First Method This method uses the config-register 0×2102 command in global configuration mode. First check the configuration register on the router…

Secure SNMP in Cisco Switches and Routers

Posted on April 25, 2013 by RouterSwitch Tech | 0 Comments

This article focus on the ways how we can secure SNMP access in Cisco Switches and Routers Simple Network Management Protocol (SNMP) uses the default UDP port 161 for general SNMP messages and UDP port 162 for SNMP trap messages. SNMP is a service used to perform network…

How to Configure SNMP on Cisco IOS-based Router/Switch?

Posted on April 22, 2013 by RouterSwitch Tech | 0 Comments

SNMP is an application-layer protocol that provides a message format for communication between SNMP managers and agents. The SNMP manager is the system used to control and monitors the activities of network hosts using SNMP; this is also called Network Management Station (NMS). This article explains how…

Cisco 3750 Stacking Configuration

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

Process for replacing a failed master switch in a Cisco 3750 switch stack 1. Upgrade or downgrade the software on the replacement switch to match the rest of the switch stack The version of IOS running on the switch must…

The Way to Activate Your Cisco ASA 5500

Posted on April 18, 2013 by RouterSwitch Tech | 0 Comments

We will show the Latest to activate the Cisco ASA 5500 firewall. Detailed info you can check as follows (Taken from Cisco’s Forum) CiscoASA# show activation-key Serial Number: ************ Running Activation Key: 0x7905c844 0x2c16a53f 0xe430dd6c 0xa6e428a8 0x05260b8b Licensed features for…

Cisco ASA 5520 Basic Configuration Guide

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

The bellow is a quick start to get your Cisco ASA off the ground by the means of a few print screens It provides an easier way of explaining how to connect to the system for common tasks without the…

Configuring Static NAT on a Cisco ASA Security Appliance

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

Two of the most common forms of network address translation (NAT) are dynamic port address translation (PAT) and static NAT. PAT is the many-to-one form of NAT implemented in many small office and home networks where many internal hosts, typically…

How to Configure VLAN, STP, DTP Step by Step Guide?

Posted on March 27, 2013 by RouterSwitch Tech | 0 Comments

In this tutorial we will demonstrate that how can you Configure Access or Trunk links Create VLAN Assign VLAN membership Configure Intra VLAN routing Configure VTP Server Make VTP Clients Show STP Static Configure DTP port To complete these labs…

Site-to-Site IPSEC VPN between Two Cisco ASA 5520

Posted on March 25, 2013 by RouterSwitch Tech | 0 Comments

Cisco ASA 5500 Series appliances deliver IPsec and SSL VPN, firewall, and several other networking services on a single platform. Cisco ASA 5520, a member of the Cisco ASA 5500 Series, is shown in Figure 1 below. Figure 1 Cisco…

Switchport Security & Configuration

Posted on March 22, 2013 by RouterSwitch Tech | 0 Comments

One of the most overlooked security areas is the configuration of individual switchport security configuration. The reason may be that it requires a more granular configuration; this is because a typical configuration requires the knowledge of the specific MAC address(es)…

NAC Appliances: Shortcut to Access Control

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

To share a article about NAC Appliances From https://searchnetworking.techtarget.com/feature/NAC-appliances-Shortcut-to-access-control Infrastructures that check endpoint health before network access have generated plenty of buzz, but precious little deployment. Some companies are waiting for a winner to emerge from the chief contenders: Cisco’s Network Admission…

How to Configure Dynamic DNS on a Cisco Router?

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

The Internet uses IP addresses to refer to all resources but IP addresses are difficult to remember for humans. We instead use easy-to-remember domain names such as www.router-switch.com to refer to Internet resources. DNS (Domain Name System) is the Internet directory…

Cisco Combines Wired, Wireless and SDN into Its New Catalyst Switch

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

Cisco RECENTLY unveiled a new Catalyst switch and WLAN controller designed to converge wired and wireless networks and centralize management of both environments. The new switch is the Catalyst 3850 and the WLAN controller is the Cisco 5760. Both are based…

DHCP Option 150 & DHCP Option 66

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

What is the DHCP? Watch the introduction: Here we will provide an understanding for configuring option 150 and to use option 66 for EX Switches. DHCP Option 150 is Cisco proprietary. Option 66 is an IEEE standard. PROBLEM OR GOAL:…

FAQs: Pay Attention to EOL&EOS Announcement for Cisco 1800, 2800, 3800 ISR G1

Posted on March 4, 2013 by RouterSwitch Tech | 0 Comments

Cisco announced the end-of-sale and end-of-life dates for the Cisco Integrated Services Router G1. Every Cisco lover and user knows what Cisco ISR G1 REALLY is. For its greater performance, reliability and good price, Cisco Integrated Services Routers G1 won…

Cisco’s Exhibition of MWC 2013: Bringing Hybrid Wireless Networking Products

Posted on February 27, 2013 by RouterSwitch Tech | 0 Comments

February 25-28, 2013 in Barcelona, Spain, at Mobile World Congress, leaders of the mobile community come together to collaborate, create business opportunities, and discuss the vision for leading the 4G mobile Internet transformation. Cisco Systems officials at the Mobile World…