I passed the 350-001 yesterday which is the CCIE RS v4 written exam. I used the following materials to study for the exam: CCIE RS certification guide CCIE RS quick reference Cisco configuration guides Cisco support forums doc on EEM
Borrowing Credits When Using Shaper on Cisco IOS
Introduction When using a shaper on IOS, the shaper allows a deficit to be created, borrowing future credits. It’s common knowledge that a shaper queues or buffers packets but it’s not common knowledge that the shaper allows a deficit to
My Cisco Live 2014 US schedule
I’m going to my first Cisco Live! And it’s in the US! I have booked my sessions which was a challenge. There are so man good sessions to choose from. I tried to get a balance of sessions I have
Why fast IGP timers aren’t always beneficial
Introduction When tuning your IGP of choice, the first thing people look at is usually the hello and dead interval. This is a flawed logic, it is true that it can help in certain cases but convergence consists of much
Cisco Live Customer Appreciation Event
This year Cisco is celebrating its 25th CAE. It will be hosted at the home of the World Series Champions – The San Francisco Giants. AT&T Ballpark is hosting the event. The artists playing will be Lenny Kravitz and Imagine
RESPONSE: Why I’m in the Cisco Champions Program
My friend Lindsay Hill wrote about the potential negative sides of joining an ambassador program. Lindsay brings up lots of valid points. My response here is to explain why I’m in one, which might not be obvious from the outside
The future of GNS3 – with comments from Stephen at GNS3
Intro My last post asked for GNS3 to come clean. Some may have mistaken it for a bashing of GNS3 which was definitely not the intention of the post. The post was intended to get a discussion going and to
Some pointers on OSPF as PE to CE protocol
There was a discussion at the Cisco Learning Network (CLN) about OSPF as PE to CE protocol. I wanted to provide some pointers on using OSPF as PE to CE protocol. RFC 4577 describes how to use OSPF as PE
GNS3 – It’s time to come clean
Many network engineers, Cisco students and people just interested in networking has used GNS3 in the past for studies and Proof of Concepts (PoC). Despite it being a CPU hog, bugs in the Ethernet drivers and lack of stability it
Cisco XRv has been released
Many of you have probably heard of Cisco VIRL or what is now called Cisco Modeling Labs (CML). CML is due for release later this year and is supposed to include support for IOS, IOS XE, NXOS and IOS XR.