To optimize the database description (DBD) packet exchange between two
OSPF neighbors, use the compatible rfc5243 in router configuration mode
or address family configuration mode for OSPFv3 AF. To disable RFC5243
optimization, use the no form of this com...
We said always that OSPF is a link-state routing protocol. For most
engineer stuying CCNA or CCNP, OSPF is misunsdertanding. In reality,
OSPF is a link-state routing protocol only within an area (intra-area);
but almost a distance-vector routing protocol ...
A brief difference between ISIS and OSPF link state protocols ISIS and
OSPF belongs to the same routing protocol family Link State, but if you
study the two routing protocols, you will find several differences, in
this article you will get the answer abou...
The OSPF Type-2 LSA is one of the misunderstanding LSA among all the
popular LSAs in OSPF , most people learns that this kind of LSA (Type-2)
is generated by DR the Designated Router in a broadcast segment, for
example when two or more than two routers ar...
Since 2008, the ASR 1000 platforms have dramatically changed the WAN
edge router’s capabilities. With its very own QuantumFlow Processor
(QFP) innovation, the data plane was powered to offer advanced scalable
services along with high performance. Fast for...
Como parte de mi preparacion para el ENARSI he estado haciendo una serie
de videos para que se me quede mas grabado todo, en el siguiente link
encontraran una liga con los mecanismos de asignacion de direccion IPV6
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OSPF Routing Protocol is the most used protocol in the world, especially
in the world of service provider, through this hand-on-labs workbook,
you will discover another aspect of OSPF which is the RFCs that stands
for "Request For Comments", A Request for...
Network segmentation and extension has been an issue that every network
operator has been trying to solve since time immemorial while deploying
their enterprise networks. Ever since the inception of VLANs with IEEE
802.1Q-1998 standard, segmentation and e...
Global Scale Network Design! We are talking about Network Design but at
the Global Scale! What do you need to think about? What questions should
you be asking? What are the most important design decisions, for a
Global Scale Network? Listen now! You’ll Le...
How do you make VXLAN Network Designs Simple, Scalable, and
Uncomplicated? In this 100% technical show, we are diving into the weeds
on VXLAN and what the critical Network Design decisions are around that
protocol. I am joined by Lukas Krattiger, a Distin...
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Catalyst 9000 family of switches to bring Internet and Cloud
Hello everyone! I am trying to update the following EEM script that will include the vrf, vrf CORP_OFFICE. This script works great with out the VRF but I need to be able to include it because it is causing the backup to fail. event manager ...
I have a pair of old 3560's with 1gb copper SFP's, running a dot1q trunk. I can go from a 1gb SFP on one switch to a FE port on the other switch no problem, but if I try and go from 1Gb to 1Gb, the link won't come up unless I insert a crossover cabl...
I hope this is the right channel. I have an ASA 5506-X and it all works fine with exception to a new job I have which requires that I connect to my companies VPN. When doing so, I am unable to upload files using rsync or scp. I can download just fine over...
Hello Engineers! I have simple question about Cisco EtherChannel.To begin with, please see the pic. (Please ignore the switch model) Switch 1 (int gi1/0/50) --- (int gi1/0/50) Switch 0 is connected.But, Switch0 is SFP+ po...