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https://twitter.com/CiscoChampion Reaching the height of your career is
no simple feat. It often requires a combination of pursuing the right
education, building the right professional network and being bold ...
In a typical production SD-WAN deployment, we would probably have many
remote sites connected via many different Internet connections to a
centralized data center or a regional hub. In most regions in the world,
Internet providers will always use some typ...
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https://twitter.com/CiscoChampion For all end-users across Cisco’s
ecosystem, counterfeiting presents serious risks to network quality,
performance, safety, and reliability. It is dangerous because
OSPF P-bit Policy Paradox, strange behavior ,this is the best scenario
that I did among all my studies about OSPF since many years, what is the
P-bit Policy Paradox and what does the Tag value mean? this is what I
explain in this scenario with some intere...
One of the latest and big scenario of the OSPF Demystified with RFC book
called "OSPFv3 path selection with RFC 3101 1587 2328 5340", when you
look at the explanations, you will change drastically your thought about
path selection.Note: Only one command i...
Cisco's release of IOS XE Cupertino 17.8 on April 22, 2022, has brought
numerous features and enhancements to the routing portfolio. The release
includes enhancements covering technologies such as Security, Virtual
Platforms, Voice, QoS, and Services. Mos...
OSPF routing protocol is defined in four main RFCs. RFC 1583 for OSPFv2
published March 1994 RFC 2328 for OSPFv2 published April 1998 For NSSA
option, there are two RFCs that describe the NSSA Area RFC 1587
published March 1994 RFC 3101 published January ...
The Type-1 LSA describes the router's type of connections (in other
words interfaces or links) to the area. Each Link Type represents the
kind of attached network. Each link is also marked with its Link ID.
This Link ID gives a name to the entity on the o...
Cisco recently announced the availability of the IOS XE train – IOS XE
Cupertino 17.8.1. This is a standard maintenance release supporting
switching, wireless, SP-Access, Routing as well as IoT (Internet of
things) platforms with a sustaining support life...
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of your career, somehow navigated the complex world of ever-changing
networking technology, and have achieved success. But, as you
OSPF Demystified With RFC in paperback looks better than a kindle
format. I ENSURE you that you will discover the first time this routing
protocol with more than 80 scenarios. The book goes beyond the CCIE
Level and start from the CCNP Level.
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prepare, plan, design, implement, and operate complex solution
environments? If so, you understand the need to leverage any available
Hi,I have been having a problem with Linux clients that use the DNS server on a 1921 router, and was wondering if someone might have some ideas on what the problem below, might be. Worth mentioning, this problem doesn't seem to happen on a similarly confi...
Hi, we recently added Azure vNET's and infrastructure across an Azure Express Route. We have also deployed Azure File Shares and integrated them into Active Directory and created Private Endpoints. We have successfully setup the DNS both at our datacenter...
Working off a WS-C4510R+ERan TDR test on a port and here are the results:Gi4/34 1Gbps1-2 54 +/-1m Unknown Terminated3-6 54 +/-1m Unknown Terminated4-5 36 +/-1m Unknown Open7-8 36 +/-1m Unknown Open I believe terminated represents "Normal" now in...