Cisco Administrative distance:

Administrative distance:

0         Directly connected interface 0         Static route pointing to an interface 1         Static route pointing to a next-hop neighbor 5         Summarized EIGRP route 20       External BGP route 90       Internel EIGRP route 100     IGRP route 110     OSPF route 115     IS-IS route 120     RIP route 140     EGP route 170     External EIGRP route 200     Internal [...]

Cisco Introduces New Certification Option for CCNA Voice

On June 24th, 2009, Learning@Cisco will implement program changes to the CCNA Voice certification.   There will now be two options available for candidates wishing to achieve their CCNA Voice certification: A commercial option and an enterprise option.

The new CCNA Voice Certification enterprise option assesses skills/knowledge related to the Cisco Unified Communications Manager 6.0 [...]

vpnc – client for cisco vpn concentrator -Ubuntu

vpnc is supposed to work with:

* Cisco VPN concentrator 3000 Series * Cisco IOS routers * Cisco PIX / ASA Zecurity Appliances * Juniper/Netscreen

Supported Authentications: Hybrid, Pre-Shared-Key + XAUTH, Pre-Shared-Key Supported IKE DH-Groups: dh1 dh2 dh5 Supported Hash Algo (IKE/IPSEC): md5 sha1 Supported Encryptions (IKE/IPSEC): (null) (1des) 3des aes128 aes192 aes256 Perfect [...]

CIsco Configuring ASA and PIX Security Appliances

Use the following Cisco Quick Learning Modules to learn specific configuration tasks for the Cisco ASA 5500 Series Adaptive Security Appliance and the Cisco PIX 500 Series Security Appliance. Select from the following links to access the Quick Learning Module you need, whether you are migrating from the Cisco PIX Security Appliance to the [...]

PIX/ASA Checklist

PIX/ASA Checklist As with configuring any firewall, administrators should develop a checklist that they can use during the installation and implementation of the PIX/ASA firewall in the network. There are really two components to this checklist. First, you want to define the implementation requirements and determine how the firewall should be configured and what [...]

CISCO Top networking questions

Cisco networking questions What are 10Base2, 10Base5 and 10BaseT Ethernet LANs ? What is the difference between an unspecified passive open and a fully specified passive open Explain the function of Transmission Control Block What is a Management Information Base (MIB) What is anonymous FTP and why would you use it? What is a [...]

Cisco IOS VLAN Services Make "Virtual" a Reality

Cisco IOS VLAN Service

New Cisco IOS VLAN Services Make “Virtual” a Reality

Virtual networking has rapidly become one of the major new areas in the internetworking industry. Virtual networking refers to the ability of switches and routers to configure logical topologies on top of the physical network infrastructure, allowing any arbitrary collection of [...]

Cisco:VLAN -1

Before you begin creating VLANs, you should determine whether the switch will participate in a VTP domain that will synchronize VLAN configuration with the rest of the network. You must also enable a trunk connection if you want to use VLANs across multiple switches.

The steps to configure a VLAN are:

1. Enable VTP [...]

Configuring Interfaces ASA 5500

Basic Interface configuration :

Step 1 To enter Interface configuration mode, in global configuration mode enter the interface command with the default name of the interface to configure. In the following example the interface is ethernet0. hostname(config)# interface ethernet

(int eth )

hostname(config-if)#

Step 2 To set the IP address and subnet mask for [...]

Performing Password Recovery for the ASA 5500 Series Adaptive Security Appliance

Performing Password Recovery for the ASA 5500 Series Adaptive Security Appliance

To recover from the loss of passwords, perform the following steps:

Step 1 Connect to the security appliance console port

Step 2 Power off the security appliance, and then power it on.

Step 3 During the startup messages, press the Escape key when [...]