May 2013 IEOC Top Contributors
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A few weeks back I posted about the top contributors for IEOC in May
receiving prizes (iPads, Mac Air, etc) from INE. Below are the top
contributors for IE...
Arista EOS Virtual ARP (VARP) Behind the Scenes
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In the "Optimal L3 Forwarding with VARP and Active/Active VRRP" blog post I
made a remark along the lines of "Things might get nasty [in Arista EOS
Virtu...
Deep Dive Into Virtualization
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Cisco educational website that contains over 57 webcasts on virtualization
topics that includes solutions, workspace, branch office, datacenter and
network...
Route Distinguishers and Route Targets
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People new to MPLS VPN are often unclear on what functions route
distinguishers and route targets serve, and the difference between the two.
Let's see if...
May 2013: two Cisco vulnerabilities
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The Cisco Product Security Incident Response Team (PSIRT) has published two
important vulnerability advisories: Cisco TelePresence Supervisor MSE 8050
Deni...
IETF Meeting in South America
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[image: Logo]
La IAOC está investigando la viabilidad de tener una reunión IETF en
Sudamérica, en particular en Buenos Aires.
Han puesto una encuesta onli...
MAC address tracking with NMS
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Let’s assume that I have a port open in my Cisco switch for guest users and
I would like to keep track of the new mac-addresses that are added or
existing ...
Let’s 6rd!
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6rd mechanism belongs to the same family as automatic 6to4, in which IPv6
traffic is encapsulated inside IPv4. The key difference is that with 6rd,
Service...
What is Network Virtualization?
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Data centers exist for the sole purpose to deploy applications.
Applications that automate business processes, serve customers better,
enter new markets … ...
Routing-Bits SP Handbook now available
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No matter how well planning is attended to; life is good at challenging
that. It’s a little late but here it is. I am very pleased to announce the
SP Hand...
RedNectar’s guide to programming user interfaces
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I recently made a flippant comment of the GNS3 forum: Rule #27: RedNectar’s
guide to programming user interfaces Never state an option in the negative.
whi...
Change of site
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Hello, Due to financial reasons, I had to change the site. Sorry about
that. New address is: http://ccie24081.wordpress.com/ Please, update your
bookmarks....
Cisco ASA Packet Captures for Fun and Profit
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As many of you know my background isn’t in enterprise, but I currently fill
that role in my $job. In order to succeed I’ve had to develop many new
skills...
OSPF LSA5 Forwarding-Address Field (FA)
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The Forwarding-Address (FA) field and how it’s processed to make a routing
decision when dealing with type 5 LSA is something very interesting. In
this pos...
Looking up and ahead
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Well, I got my results late last night and unfortunately I failed. There
was two VPN related questions, a total of 11 points that would have put me
over th...
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Supervisor 2/2E and Admin VDC
In June of 2012 Cisco announced a new addition to the Nexus 7000 family,
the Supervisor 2 and Supervisor 2E. These new membe...
BGP Diverse-Path for a faster convergence
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The BGP implementation in Junos is event-driven while in IOS is timer based
and require that the scan process goes trough the BGP Table and select the
bes...
A BGP leak made in Canada
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A BGP leak made in Canada Today many network operators saw their BGP
session flap, RTT’s increase and CPU usage on routers spike. While looking
at our BGP...
Alternatives to VXLAN
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NVGRE
NVGRE (Network Virtualization Generic Routing Encapsulation) achieves the
same functional goal as VXLAN on the network, however the encapsulation of...
Concept on Extending the JUNOS Commit Command
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One of the favourite features about Junos when it comes to configuration
management is the ability to manage configuration on a methodical manner.
This is ...
Closing the Cisco Cert Zone (for Now)
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Hi folks. This short post is a notice to let everyone know that I'll not be
continuing to blog in the Cisco Cert Zone for the foreseeable future. For
those...
IPv6 survival guide for CCIE Wireless candidates
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Ipv6 is on the menu for CCIE W v2.0. If you have no knowledge about IPv6,
fear not: there is not much you need to know to survive the exam on that
topic.
I...
Designing a Logging Solution
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I just found out about a great tutorial on designing logging solutions by
Marcus Ranum. Marcus has been doing network security work for a long time
and is ...
Ticket #18 - Repubished
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I am reposting here Lab 18, which was published on ccieflyer.com ...Please
follow the instructions found here about how to use the lab file. ...For
more mi...
Inter-AS VPN
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Here are the options to have Inter-AS MPLS VPN to span service providers
and autonomous systems.
Option 1: Back-to-back VRF Option 2: Multiprotocol eBGP (...
Getting Ready for Another Lab Exam Attempt
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Hi,
Another post after a long time, After the unsuccessful lab attempt in July
2010, I was got really busy chasing my pending stuff. That includes both
of...
ASA 8.4 – first look
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Just under a year since the last major ASA version, Cisco released a new
version: 8.4(x) While this version came earlier than I would expect, there
are som...
So I Started The New Networking Gig
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Firewall VPN performance is in the dumper. And oh, by the way, the other
firewall in the HA pair was powered off. Years ago. Because “it’s broken,
but w...
The BGP Decision Process
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As it is coming up to re-certification time, I have dusted off my copy of
Wendell Odom’s CCIE R&S Certification Exam Guide. I have the second
edition, whic...
7 comments:
Happy birthday Marco
Thank you Buddy!
Hihi Marco,
Happy Birthday to you!
Happy b-day!..and congratulations, well done.
Thank you YY and Nicolas!
cheers
Marco
Buon Compleanno, anche se in ritardo, e congratulazioni per il CCIE Flyer...
Grazie 100 Claudio!
Marco
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