a0002: April 2008

Monday, April 28, 2008

RatDVD 0.78.1444 Released

RatDVD.CA - *Download Now* Ver. 0.78.1444
Downloading movies, even DVD rips never really works out as planned. RatDVD helps.
RatDVD allows you to keep the full DVD feature set and watch it on any DVD player - without loosing any features of the original DVD. That is what RatDVD can do for you.

RatDVD 0.78 Released - Download Now
MediaPlayer now supports ratDVD files in the video media library MediaPlayer now supports direct convert and burn of ratDVD files Added convert/burn option into local navigation menu of standard direct show players Added "/burn" command line option Fix for Media Player seeking issue Several other fixes and enhancementsDownload Release notes

Features
RatDVD takes a full featured DVD-9 movie and puts it into a highly compressed. RatDVD container format file of about 1.x GB in size while preserving all the features of the original DVD.

SWFObject - an easy-to-use and standards-friendly method to embed Flash

swfobject - Google Code
SWFObject is an easy-to-use and standards-friendly method to embed Flash content, which utilizes one small JavaScript file.

Sparkline Generator (BitWorking)

Joe Gregorio BitWorking Projects Sparklines
Welcome to the sparkline generator. You can start right away by dynamically creating a sparkline using the Sparkline Generator Web Application, or you can read more about sparklines and decide if you want to use the sparkline web service or if you would be better off downloading the code and running the sparkline service on your own server.

PHP
http://sparkline.org/
Ruby
RedHanded: Sparklines for Minimalists
.NET
A direct port of this service to .NET.

Sparklines Article (XML.com)

XML.com: A Bright, Shiny Service: Sparklines Sparklines, as defined by Edward Tufte, are intense, simple word-sized graphics. They are small graphics embedded within a context of words or numbers. They are described in a chapter, which he's published on the Web, of his soon to be released book Beautiful Evidence. That article has been up for a while, but looking at the number of new links to it per month as recorded by Technorati 0 6 you can see that interest is ramping up. That little graph showing the links per month is a sparkline.

printer friendly:
http://www.xml.com/lpt/a/1592

Sparklines in C# (ewbi.develops)

ewbi.develops: Sparklines

Sparklines in ASP.NET

Version 2.3, added data scaling functionality for reader Matt.

Related links:
The latest source code.
Joe Gregorio's sparklines, which got all this started.

Sparkline PHP Graphing Library - sparkline.org

Sparkline PHP Graphing Library
Sparklines are "intense, simple, wordlike graphics" so named by Edward Tufte.

Catalog examples of sparklines found on the web

General reference:
http://en.wikipedia.org/wiki/Sparkline
http://particletree.com/notebook/sparklines-roundup/

Non-Commercial Implementations:

C#:
http://ewbi.blogs.com/develops/2005/07/sparklines.html

Perl:
http://search.cpan.org/~rjp/GD-Graph-sparklines
http://wotsit.thingy.com/haj/cacti/rrd-stripgraph.html (perl + RRDtool)
http://www.interactiva.com.ar/mariano/?pname=sparklines (perl + SVG)

Java:
http://www.representqueens.com/spark

Excel VBA:
http://excelidees.blogspot.com/ (2 files including user defined functions available for free download)
http://www.spreadsheetml.com/products.html (TinyGraphs - open source Excel add-in for sparklines generation)
http://www.bloggpro.com/?s=nanocharts (NanoCharts - free macro for Excel sparklines)

amCharts - Flash Charts and Charting Software

amCharts: flash charts, charting software

Line & Area chart sets a new standard of usability for line & area charts. A visitor to your website will be able to zoom in on a particular period, turn values on and off, and show or hide graphs. With this tool, you can make:
- A simple line & area chart
- A stacked line & area chart
- A 100% stacked line & area chart
Pie & Donut chart
You can use it to create:
- 2D or 3D pie charts
- 2D or 3D donut charts
- Beautiful navigation clusters

Column & Bar chart
lets you build:
- 2D or 3D column charts
- 2D or 3D bar charts
- Stacked bar or column charts
-100% stacked bar or column charts
- Floating bar or column charts
- Bar or column and line chart mix

Scatter (XY) & Bubble chart can be used to display various scientific data, as well as presenting three-dimensional data in a 2D format.
With this chart, you can make:
- Scatter charts
- Bubble charts
- Time plots

WebFX Chart Demo

Chart Demo (WebFX)

Chart Types
A few different chart types are supported and they can be combined in a variety of configurations even in the same chart. The following types are supported:
Area
Line
Stacked Area
Stacked Line
Vertical Bars

Demo
Download

Plotr - a javascript framework which enables you to render charts (Solutoire.com)

Solutoire.com › Plotr
Plotr is a javascript framework which enables you to render charts in most modern browsers. It's based on the PlotKit Framework (renderer for Mochikit) and it depends on the Prototype Javascript Framework.

Plotr Project site

Downloads:
Latest version: 0.3.0
plotr-0.2.0.zip
plotr-0.3.0.zip

Examples:
Horizontal/vertical BarChart example
LineChart example
PieChart example
Legend example

PlotKit - Javascript Chart Plotting

PlotKit - Javascript Chart Plotting
PlotKit is a Chart and Graph Plotting Library for Javascript. It has support for HTML Canvas and also SVG via Adobe SVG Viewer and native browser support.
PlotKit is fully documented and there is a quick tutorial to get you started.
PlotKit is a complete rewrite of CanvasGraph. It is better structured and supported.

Requirements:
MochiKit 1.3 or higher
HTML Canvas: Safari 2+, Opera 9+, Firefox 1.5+, IE 6 (in emulated mode)
SVG: Opera 9+, Firefox 1.5+ (see note), IE6 with Adobe SVG.

Download:
Latest Version is : 0.9.1 - plotkit-0.9.1.zip
Last Updated: 29 August 2006

Documentation:
PlotKit Documentation - Complete documentation
PlotKit Quick Start

Examples:
PlotKit Dynamic Charting Test - Redrawing values from a dynamic table.
PlotKit Simple Canvas Demo - A self contained demo in a single file. Use this to get started!
PlotKit Simple SVG Demo - A self contained demo in a single file. Use this to get started!
Sweet Canvas Test
Sweet SVG Test
Simple Canvas Test
Simple SVG Test
liquidx.net Stats Page

Emprise JavaScript Charts - 100% Pure JavaScript Charts

Emprise JavaScript Charts :: 100% Pure JavaScript Charts

Features:

Interactive: Features such as Hints, Mouse Tracking, Mouse Events, Key Tracking and Events, Zooming, Scrolling, and Crosshairs raise interactivity and user experience in web charting to a new level.
Axis Scaling: There's no need to determine your data range before hand. EJSChart will calculate and scale automatically to fit whatever data it is presented with.
Auto Zooming, Scrolling: Too much data and not enough screen real estate? Show it all. Let your end users zoom in on the pieces they're most interested in. Axis locking for single axis zoom, scrolling and automatic axis scaling are all included.

Chart Examples:
http://www.ejschart.com/examples/index.php

Open Flash Chart

Open Flash Chart - Home

Download Open Flash Chart, this includes the PHP class.
Read the tutorial.
Check out the gallery.

Helper classes:
Java
Perl
Python
Ruby and Rails
PHP
.NET

AnyChart - Flash Charting

AnyChart - Cross-Platform Flash Charting Solutions For Your Project
AnyChart is a flexible Adobe Flash based solution that allows you to create interactive and great looking flash charts and dashboards. It is a cross-browser and cross-platform charting solution intended for everybody who deals with creation of dashboard, reporting, analytics, statistical, financial or any other data visualization solutions.
Attractive data visualization is an essential part of any service or application. Ubiquity and performance of Flash technology makes it, probably, the best solution for charting needs.

FusionCharts Free - Flash Charts and Graphs

FusionCharts Free - Animated Flash Charts and Graphs for ASP, PHP, ASP.NET and other web applications
FusionCharts Free is a flash charting component that can be used to render data-driven & animated charts for your web applications and presentations.
It is a cross-browser and cross-platform solution that can be used with PHP, Python, Ruby on Rails, ASP, ASP.NET, JSP, ColdFusion, simple HTML pages or even PowerPoint Presentations to deliver interactive and powerful flash charts. You do NOT need to know anything about Flash to use FusionCharts. All you need to know is the language you're programming in.

Charts And Graphs: Modern Solutions

Charts And Graphs: Modern Solutions Blog

Charts And Graphs: Modern Solutions - Smashing Magazine

Charts And Graphs: Modern Solutions Developer's Toolbox Smashing Magazine

Ajax- or JavaScript-frameworks:
The Dojo Charting Engine can generate graphs and charts with few JavaScript snippets.

Charts and Graphs: Flash-based Solutions

Charts and Graphs: PHP/ASP Libraries

Charts and Graphs: JavaScript-based solutions

Emprise JavaScript Charts
PlotKit - Javascript Chart Plotting (the script requires MochiKit JavaScript library)
Plotr

CSS-based Solutions

Related Articles:

Sunday, April 27, 2008

IPSec Negotiation/IKE Protocols - Cisco Configuration Examples and TechNotes

IPSec Negotiation/IKE Protocols - Cisco Technology White Papers

IPSec Negotiation/IKE Protocols Technology White Paper - Cisco Systems

IPSec Negotiation/IKE Protocols
Technology White Paper

Authentication Protocols Configuration Examples and TechNotes - Cisco Systems

Authentication Protocols Configuration Examples and TechNotes - Cisco Systems

Remote Authentication Dial-In User Service (RADIUS)

Advanced RADIUS for Dialup PPP Clients 29/Jan/2008
Assign PPP Session and Idle Timeouts using RADIUS 26/Feb/2008
Auth-proxy Authentication Inbound (Cisco IOS Firewall and NAT) Configuration Example 15/Aug/2006
Auth-proxy Authentication Inbound (Cisco IOS Firewall, no NAT) Configuration 15/Aug/2006
Auth-proxy Authentication Inbound with IPSec and VPN Client Configuration 14/Jan/2008
Auth-proxy Authentication Inbound with IPsec and VPN Client Configuration with NAT and Cisco IOS Firewall 15/Aug/2006
Auth-proxy Authentication Outbound (Cisco IOS Firewall and NAT) Configuration 03/Jul/2007
Auth-proxy Authentication Outbound (Cisco IOS Firewall, no NAT) Configuration 15/Aug/2006
Authentication and Command Authorization for PIX 6.2 02/Feb/2006
Authentication Proxy Authentication Inbound - No Cisco IOS Firewall or NAT Configuration 15/Aug/2006
Authentication Proxy Authentication Outbound - No Cisco IOS Firewall or NAT Configuration 14/Jan/2008
Cisco Secure ACS for Windows v3.2 With EAP-TLS Machine Authentication 19/Jan/2006
Cisco Secure for Windows / UNIX and Cisco Access Registrar with CLID and DNIS Configuration Example 26/Feb/2008
Cisco Secure PIX Firewall 6.x and Cisco VPN Client 3.5 for Windows with Microsoft Windows 2000 and 2003 IAS RADIUS Authentication 24/Jan/2007
Configure the Cisco VPN 3000 Series Concentrators to Support the NT Password Expiration Feature with the RADIUS Server 19/Jan/2006
Configuring a Cisco VPN 5000 Concentrator with External Authentication to a Microsoft Windows 2000 IAS RADIUS Server 14/Jan/2008
Configuring Basic AAA on an Access Server 31/Jan/2005
Configuring Basic AAA RADIUS for Dial-in Clients 09/Sep/2005
Configuring Cisco Secure ACS for Windows v3.2 With PEAP-MS-CHAPv2 Machine Authentication 02/Feb/2006
Configuring Cisco Secure UNIX and Secure ID (SDI Client) 26/Feb/2008
Configuring Cisco Secure UNIX for Large Scale Dialout Using RADIUS 07/Dec/2004
Configuring CSU for UNIX (Solaris) 26/Feb/2008
Configuring Funk RADIUS to Authenticate Cisco VPN Clients 14/Jan/2008
Configuring IKE Pre-Shared Keys Using a RADIUS Server for the Cisco Secure VPN Client 26/Feb/2008
Configuring IPSec Between a Cisco IOS Router and a Cisco VPN Client 4.x for Windows Using RADIUS 08/Nov/2006
Configuring IPSec Between a Cisco IOS Router and a Cisco VPN Client 4.x for Windows Using RADIUS for User Authentication 07/Feb/2007
Configuring Layer 2 Tunnel Protocol Authentication with RADIUS 14/Jan/2008
Configuring PIX 5.1.x: TACACS+ and RADIUS 26/Feb/2008
Configuring PPP Callback with RADIUS 26/Feb/2008
Configuring RADIUS Authentication Through the Cisco Cache Engine 03/Aug/2004
Configuring RADIUS Dial-Up with Livingston Server Authentication 19/Jan/2006
Configuring RADIUS with Livingston Server 25/Aug/2006
Configuring TACACS+ and RADIUS Extended Authentication with VPN Client 21/Jan/2005
Configuring TACACS+, RADIUS, and Kerberos on Cisco Catalyst Switches 27/Dec/2007
Configuring the Cisco VPN 5000 Client to the Cisco VPN 5000 Concentrator with Cisco Secure UNIX (RADIUS) Authentication 14/Jan/2008
Configuring the Cisco VPN 3000 Concentrator for Blocking with Filters and RADIUS Filter Assignment 07/Mar/2007
Configuring the Cisco VPN 3000 Concentrator with MS RADIUS 24/Mar/2008
Configuring the VPN 3000 Concentrator PPTP With Cisco Secure ACS for Windows
RADIUS Authentication 15/Jan/2008
EAP Authentication with RADIUS Server 13/Feb/2007
How to Apply Access Lists to Dial Interfaces with a RADIUS Server 26/Feb/2008
How to Assign Privilege Levels with TACACS+ and RADIUS 26/Feb/2008
How to Authenticate VPN 5000 Client to the VPN 5000 Concentrator with CiscoSecure
NT 2.5 and Later (RADIUS) 04/Apr/2008
How to Configure RADIUS Authentication for VPDNs 26/Feb/2008
IPsec Between a VPN 3000 Concentrator and a VPN Client 4.x for Windows using
RADIUS for User Authentication and Accounting Configuration Example 23/Mar/2007
LAN-to-LAN and EzVPN Client on PIX with VPN Client Access to a Hub Router using
ISAKMP Profiles Configuration Example 08/Jan/2007
Locking Users into a VPN 3000 Concentrator Group Using a RADIUS Server 26/Feb/2008
PIX, TACACS+, and RADIUS Sample Configurations: 4.4.x 17/Jan/2006
PIX, TACACS+, and RADIUS Sample Configurations: 4.3.x 17/Jan/2006
PIX, TACACS+, and RADIUS Sample Configurations: 4.2.x 17/Jan/2006
PPP Per-User Timeouts 15/Nov/2007
RADIUS, TACACS+, and Cisco Secure Domain Stripping 17/Jan/2006
Sample Configuration: Local Authentication for HTTP Server Users 26/Feb/2008
VPN 3000 Concentrator Bandwidth Management Configuration Example 02/Feb/2006
VPN 3000 RADIUS with Expiry Feature Using Microsoft Internet Authentication Server 14/Jan/2008

Terminal Access Controller Access Control System (TACACS+)

Advanced TACACS+ for Dialup Clients 19/Jan/2006
ARA Setup and Troubleshooting 07/Oct/2005
Auth-proxy Authentication Inbound (Cisco IOS Firewall and NAT) Configuration Example 15/Aug/2006
Auth-proxy Authentication Inbound (Cisco IOS Firewall, no NAT) Configuration 15/Aug/2006
Auth-proxy Authentication Inbound with IPSec and VPN Client Configuration 14/Jan/2008
Auth-proxy Authentication Inbound with IPsec and VPN Client Configuration with NAT and Cisco IOS Firewall 15/Aug/2006
Auth-proxy Authentication Outbound (Cisco IOS Firewall and NAT) Configuration 03/Jul/2007
Auth-proxy Authentication Outbound (Cisco IOS Firewall, no NAT) Configuration 15/Aug/2006
Authentication and Command Authorization for PIX 6.2 02/Feb/2006
Authentication for HTTP Admin on AP Version 1.01 16/Nov/2005
Authentication Proxy Authentication Inbound - No Cisco IOS Firewall or NAT Configuration 15/Aug/2006
Authentication Proxy Authentication Outbound - No Cisco IOS Firewall or NAT Configuration 14/Jan/2008
Basic TACACS+ Configuration Example 15/Nov/2007
Cisco Secure NT: Configuring Large Scale Dialout Using TACACS+ 17/Jan/2006
Command Authorization and Privilege Levels for Cisco Secure UNIX 19/Jan/2006
Configure a Cisco Router with TACACS+ Authentication 21/Jul/2006
Configure Cisco Router for Dial Authentication using TACACS+ 10/Jul/2006
Configuring Basic AAA on an Access Server 31/Jan/2005
Configuring Cisco Secure UNIX and Secure ID (SDI Client) 26/Feb/2008
Configuring CSU for UNIX (Solaris) 26/Feb/2008
Configuring IPSec Between Hub and Remote PIXes with VPN Client and Extended Authentication 19/Jan/2006
Configuring PIX 5.1.x: TACACS+ and RADIUS 26/Feb/2008
Configuring PPP Callback With TACACS+ 26/Feb/2008
Configuring TACACS+ and RADIUS Extended Authentication with VPN Client 21/Jan/2005
Configuring TACACS+ Authentication for VPDNs 26/Feb/2008
Configuring TACACS+ on the Catalyst 1900 and 2820 04/Oct/2005
Configuring TACACS+, RADIUS, and Kerberos on Cisco Catalyst Switches 27/Dec/2007
How to Apply Access Lists to Dial Interfaces with a TACACS+ Server 19/Jan/2006
How to Assign Privilege Levels with TACACS+ and RADIUS 26/Feb/2008
How to Configure Layer 2 Tunnel Protocol Authentication with TACACS+ 26/Feb/2008
How to Configure TACACS+ Support on the Cache Engine 08/Jan/2007
How to Configure the Cisco VPN 3000 Concentrator to Support TACACS+ Authentication for Management Accounts 31/Oct/2006
IPSec - PIX to Cisco VPN Client Wild-card, Pre-shared, Mode Configuration with Extended Authentication 23/Mar/2007
IPsec Tunnel Between IOS Router and Cisco VPN Client 4.x for Windows with TACACS+
User Authentication Configuration Example 09/Feb/2007
PIX, TACACS+, and RADIUS Sample Configurations: 4.4.x 17/Jan/2006
PIX, TACACS+, and RADIUS Sample Configurations: 4.3.x 17/Jan/2006
PIX, TACACS+, and RADIUS Sample Configurations: 4.2.x 17/Jan/2006
PPP Per-User Timeouts 15/Nov/2007
RADIUS, TACACS+, and Cisco Secure Domain Stripping 17/Jan/2006
Sample Configuration: Local Authentication for HTTP Server Users 26/Feb/2008
Setting Up and Debugging CiscoSecure 2.x TACACS+ 26/Feb/2008
Supporting One-Time Passwords on ISDN 08/Oct/2006

Load Balancing with CEF - Cisco Systems

Load Balancing with CEF - Cisco Systems
Load balancing with Cisco Express Forwarding
The use of parallel T1 or E1 links provides higher aggregate bandwidth connections between routers where an upgrade to a high bandwidth DS3 or E3 link is not feasible due to cost, usage patterns or availability. It is also an approach that scales well as links can be added as the bandwidth requirements grow. In IOS software release 11.1(17)CC a new forwarding mechanism called Cisco Express Forwarding (CEF) has been introduced for Cisco 7200 and 7500 series routers. CEF can efficiently use multiple parallel links without additional hardware multiplexers. The purpose of this document is to describe how CEF to uses parallel links and how to configure it. For a more general description of techniques to increase bandwidth with parallel links please see the White Paper "Alternatives for high bandwidth connections using parallel T1/E1 links."
Load balancing
The term Load balancing describes a functionality in a router that distributes packets across multiple links based on layer 3 routing information. If a router discovers multiple paths to a destination the routing table is updated with multiple entries for that destination.

Load balancing with CEF for IP
How CEF load balancing works
Forwarding Information Base
Adjacency Tables
CEF Configuration

Multicast over a GRE Tunnel - Cisco Systems

Multicast over a GRE Tunnel - Cisco Systems
This document provides a sample configuration for multicasting over a generic routing encapsulation (GRE) tunnel.
In many network scenarios you want to configure your network to use GRE tunnels to send Protocol Independent Multicast (PIM) and multicast traffic between routers. Typically, this occurs when the multicast source and receiver are separated by an IP cloud which is not configured for IP multicast routing. In such network scenarios, configuring a tunnel across an IP cloud with PIM enabled transports multicast packets toward the receiver. This document describes the configuration, verification, and related issues pertaining to multicasting over a GRE tunnel.

GRE over IPSec with EIGRP to Route Through a Hub and Multiple Remote Sites Configuration Example - Cisco Systems

GRE over IPSec with EIGRP to Route Through a Hub and Multiple Remote Sites Configuration Example - Cisco Systems
This document explains how to configure GRE over IPSec routing through a hub site to multiple remote sites. The Cisco 7206 router is the central site router, to which all the other sites connect through IPSec. The Cisco 2610, 3620, and 3640 routers are the remote routers. All sites are able to reach the main network behind the Cisco 7206 and all other remote sites through the tunnel to the main site, with routing updates taking place automatically via Enhanced Interior Gateway Routing Protocol (EIGRP).

Configuring Router-to-Router IPsec (Pre-shared Keys) on GRE Tunnel with IOS Firewall and NAT - Cisco Systems

Configuring Router-to-Router IPsec (Pre-shared Keys) on GRE Tunnel with IOS Firewall and NAT - Cisco Systems

This document illustrates a basic Cisco IOS Firewall configuration with Network Address Translation (NAT). This configuration allows traffic to be initiated from inside the 10.1.1.x and 172.16.1.x networks to the Internet and NATed along the way. A generic routing encapsulation (GRE) tunnel is added to tunnel IP and IPX traffic between two private networks. When a packet arrives at the outbound interface of the router and if it is sent down the tunnel, it is first encapsulated using GRE and then encrypted with IPsec. In other words, any traffic permitted to enter the GRE tunnel is also encrypted by IPsec.

see also:
Configuring a GRE Tunnel over IPSec with OSPF.
Configuring IPsec Router-to-Router Hub and Spoke with Communication Between the Spokes

Configuring IPSec/GRE with NAT - Cisco Systems

Configuring Dynamic Multipoint VPN Using GRE Over IPsec With OSPF, NAT, and Cisco IOS Firewall - Cisco Systems

Configuring CET Encryption with a GRE Tunnel - Cisco Systems

Configuring CET Encryption with a GRE Tunnel - Cisco Systems
To configure Cisco Encryption Technology (CET) encryption with a tunnel, you must configure encryption on the tunnel's interface. Additionally, you must configure encryption on the physical interface that heads toward the tunnel's eventual destination.
Note: CET encryption is now end-of-life. IPSec is the recommended encryption scheme for migration

Configuring Dynamic Multipoint VPN Using GRE Over IPSec With EIGRP, NAT, and CBAC - Cisco Systems

Configuring Dynamic Multipoint VPN Using GRE Over IPSec With EIGRP, NAT, and CBAC - Cisco Systems This document provides a sample configuration for Hub-and-Spoke Dynamic Multipoint VPN (DMVPN) using generic routing encapsulation (GRE) over IPSec with Enhanced Interior Gateway Routing Protocol (EIGRP), Network Address Translation (NAT), and Context-Based Access Control (CBAC).

Configuring Dynamic Multipoint VPN Using GRE Over IPsec With OSPF, NAT, and Cisco IOS Firewall - Cisco Systems

Configuring Dynamic Multipoint VPN Using GRE Over IPsec With OSPF, NAT, and Cisco IOS Firewall - Cisco Systems
This document provides a sample configuration for Dynamic Multipoint VPN (DMVPN) using generic routing encapsulation (GRE) over IPsec with Open Shortest Path First (OSPF), Network Address Translation (NAT), and Cisco IOS Firewall.

Configuring IPSec/GRE with NAT - Cisco Systems

Configuring IPSec/GRE with NAT - Cisco Systems
This sample configuration shows how to configure generic routing encapsulation (GRE) over IP Security (IPSec) where the GRE/IPSec tunnel is going through a firewall doing Network Address Translation (NAT).

Configuring Router-to-Router IPsec (Pre-shared Keys) on GRE Tunnel with IOS Firewall and NAT - Cisco Systems

Configuring Router-to-Router IPsec (Pre-shared Keys) on GRE Tunnel with IOS Firewall and NAT - Cisco Systems
This document illustrates a basic Cisco IOS Firewall configuration with Network Address Translation (NAT). This configuration allows traffic to be initiated from inside the 10.1.1.x and 172.16.1.x networks to the Internet and NATed along the way. A generic routing encapsulation (GRE) tunnel is added to tunnel IP and IPX traffic between two private networks. When a packet arrives at the outbound interface of the router and if it is sent down the tunnel, it is first encapsulated using GRE and then encrypted with IPsec. In other words, any traffic permitted to enter the GRE tunnel is also encrypted by IPsec.

In order to configure the GRE Tunnel over IPsec with Open Shortest Path First (OSPF), refer to
Configuring a GRE Tunnel over IPSec with OSPF.
In order to configure a hub and spoke IPsec design between three routers, refer to
Configuring IPsec Router-to-Router Hub and Spoke with Communication Between the Spokes.

GRE over IPSec with EIGRP to Route Through a Hub and Multiple Remote Sites Configuration Example - Cisco Systems

Multicast over a GRE Tunnel - Cisco Systems

Exploiting the Blogger Atom API (CodeProject)

Exploiting the Blogger Atom API - A .NET based API for interacting with Blogger.com.

How do I remove BlogThis! from my right-click menu?

How do I remove BlogThis! from my right-click menu?

HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt\

REGEDIT4
[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt\BlogThis!] @="http://www.blogger.com/contextScripts/blogthis.pyra" "contexts"=hex:31

How to Backup a Blogger Blog

How to Backup a Blogger Blog

This page lists the latest N posts from the blog:
http://blogname.blogspot.com/search?max-results=N

Instead of N, type the number of posts. If your blog has less than 1000 posts, you can save this page:
http://blogname.blogspot.com/search?max-results=1000

There's also a way to get all the posts in an XML feed. This is a better format if you intend to import it in a database.
http://blogname.blogspot.com/feeds/posts/default?max-results=1000

You can also backup the comments:
http://blogname.blogspot.com/feeds/comments/default?max-results=1000

Blogger Backup utility

Blogger Backup utility is intended to be a simple utility to backup to local disk your Blogger posts.
Using the GData C# Library, the utility will walk backward in time, from your latest post to your last, saving each post to a local Atom/XML file.

Current Release:
v1.0.9.23 Beta / Wed Apr 2 2008 at 9:00 AM

BGP Link Bandwidth | Cisco Systems

BGP Link Bandwidth - Cisco Systems
The Border Gateway Protocol (BGP) Link Bandwidth feature is used to advertise the bandwidth of an autonomous system exit link as an extended community. This feature is configured for links between directly connected external BGP (eBGP) neighbors. The link bandwidth extended community attribute is propagated to iBGP peers when extended community exchange is enabled. This feature is used with BGP multipath features to configure load balancing over links with unequal bandwidth.

Prerequisites for BGP Link Bandwidth
- BGP load balancing or multipath load balancing must be configured before this feature is enabled.
- BGP extended community exchange must be enabled between iBGP neighbors to which the link bandwidth attribute is to be advertised.
- Cisco Express Forwarding (CEF) or distributed CEF (dCEF) must be enabled on all participating routers.

Restrictions for BGP Link Bandwidth
- This feature can be configured only under IPv4 and VPNv4 address family sessions.
- BGP can originate the link bandwidth community only for directly connected links to eBGP neighbors.
- Both iBGP and eBGP load balancing are supported in IPv4 and VPNv4 address families. However, eiBGP load balancing is supported only in VPNv4 address-family.

BGP Link Bandwidth Overview
The BGP Link Bandwidth feature used to enable multipath load balancing for external links with unequal bandwidth capacity. This feature is enabled under an IPv4 or VPNv4 address family sessions by entering the bgp dmzlink-bw command. This feature supports both iBGP, eBGP multipath load balancing, and eiBGP multipath load balancing in Multiprotocol Label Switching (MPLS) Virtual Private Networks (VPNs). When this feature is enabled, routes learned from directly connected external neighbor are propagated through the internal BGP (iBGP) network with the bandwidth of the source external link.
The link bandwidth extended community indicates the preference of an autonomous system exit link in terms of bandwidth. This extended community is applied to external links between directly connected eBGP peers by entering the neighbor dmzlink-bw command. The link bandwidth extended community attribute is propagated to iBGP peers when extended community exchange is enabled with the neighbor send-community command.

Link Bandwidth Extended Community Attribute
The link bandwidth extended community attribute is a 4-byte value that is configured for a link that on the demilitarized zone (DMZ) interface that connects two single hop eBGP peers. The link bandwidth extended community attribute is used as a traffic sharing value relative to other paths while forwarding traffic. Two paths are designated as equal for load balancing if the weight, local-pref, as-path length, Multi Exit Discriminator (MED), and Interior Gateway Protocol (IGP) costs are the same.

Adler-32, CRC, MD5, 3DES, AES, Base64 ...

TextOpus - all text tools You need!

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Configuring IPSec/GRE with NAT | Cisco Systems

PPPoE / PPPoA [Cisco]

PPPoE/PPPoA (PPP over Ethernet / PPP over ATM) - Cisco Systems
PPPoE: As customers deploy ADSL they must support PPP-style authentication and authorization over a large installed base of legacy bridging customer premises equipment (CPE). PPPoE provides the ability to connect a network of hosts over a simple bridging access device to a remote access concentrator or aggregation concentrator. With this model, each host uses its own PPP stack, thus presenting the user with a familiar user interface. Access control, billing, and type of service can be done on a per user, rather than a per site, basis.

PPPoA: Primarily implemented as part of ADSL. It relies on RFC1483, operating in either Logical Link Control-Subnetwork Access Protocol (LLC-SNAP) or VC-Mux mode. A customer premises equipment (CPE) device encapsulates the PPP session based on this RFC for transport across the ADSL loop and the digital subscriber line access multiplexer (DSLAM).

Technology Information
Design Guides (3)
Configuration Examples and TechNotes (62)
Configuration Guides (2)

PPTP (Point-to-Point Tunneling Protocol) [Cisco]

Point-to-Point Tunneling Protocol (PPTP) - Cisco Systems Point to Point Tunneling Protocol (PPTP) is a network protocol that enables the secure transfer of data from a remote client to a private enterprise server by creating a VPN across TCP/IP-based data networks. PPTP supports on-demand, multiprotocol, virtual private networking over public networks, such as the Internet.

GRE (Generic Routing Encapsulation) [Cisco]

Generic Routing Encapsulation (GRE) - Cisco Systems
Tunneling protocol developed by Cisco that can encapsulate a wide variety of protocol packet types inside IP tunnels, creating a virtual point-to-point link to Cisco routers at remote points over an IP internetwork.

How Does Unequal Cost Path Load Balancing (Variance) Work in IGRP and EIGRP? - Cisco Systems In general, load balancing is the capability of a router to distribute traffic over all the router network ports that are the same distance from the destination address. Load balancing increases the utilization of network segments, and so increases effective network bandwidth. There are two types of load balancing:
- Equal cost path
- Unequal cost path
This document explains how unequal cost path load balancing works in Enhanced Interior Gateway Routing Protocol (EIGRP).

Downloads:
How Does Unequal Cost Path Load Balancing (Variance) Work in IGRP and EIGRP? (pdf)

Per-port CEF load sharing ...ioshints.info

Per-port CEF load sharing

Unequal load split with static routes ...ioshints.info

Unequal load split with static routes blog.ioshints.info