Brandon Carroll, CCIE #23837
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Affiliation:
Ascolta Training and GlobalConfig.net
Location:
Bellevue, WA, 98005
Phone:
(425) 405-5119
Birthday:
November 27, 1975
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Brandon Carroll, CCIE #23837

Brandon Carroll, CCIE #23837
This week, while teaching a CVOICE class, I decided to fire up dynamips and see if I could get a connection to and IP phone via a 3550 switch. Router and Switch can ping each other. The Phone can't get an address from the router & the router doesn't see the phones DHCP discover. After an hour I gave up. At times, I... think you cant beat the real thing. Other times Dynamips seems useful. What do you think?Read More

November 6 at 9:00am
Paul Stewart
Paul Stewart
I have heard about issues with dynamips and multicast. I wonder about Ethernet broadcasts. Maybe anything with I/g bit set. Who knows? I prefer the real thing. I just hate spending time learning the nuances of an emulator when I could be learning about the topics.
November 6 at 9:47am
Scott Neiman
Scott Neiman
Agree with Paul. I've been running a lab with 5 routers and after some frame-relay configs between my last two routers, r5 just froze. Everything looked good in dynamips but no go. Had to stop/restart, came up fine, configed and a few seconds later, froze.
November 6 at 4:08pm
Brandon Carroll, CCIE #23837
Brandon Carroll, CCIE #23837
I hear you guys. I am feeling the same way. Thats exactly why i blew off Dynamips when studying for the Security IE.
November 6 at 9:54pm
Brandon Carroll, CCIE #23837

Brandon Carroll, CCIE #23837 Dynamips has got to be one of the best tools I have used as an instructor to teach people on the fly about OSPF, and EIGRP. It's so easy to throw a topology together and explain things while a classroom watches. Sure beats static slides.

October 29 at 1:59pm
Bill Halvorsen
Bill Halvorsen
is it free? What else can it do
October 29 at 3:46pm
Brandon Carroll, CCIE #23837

Brandon Carroll, CCIE #23837 There are 10 types of people in this world: Those who understand binary- and those who don't.

October 19 at 10:42am
Chris Jones
Chris Jones
101010 is the answer.
October 28 at 9:47pm
Brandon Carroll, CCIE #23837

Brandon Carroll, CCIE #23837 With a week of ipv6 in the books I move on to acucm-u. Believe it or not, it's not easy to teach voice one week- r&s the next- security the week after. Sometimes my mind feels like mush. I still love the technology!

Mian Faheem Ul Ghani
Mian Faheem Ul Ghani
Is there any chance i can prepae some thing for u.
October 17 at 6:44am
Chester Blue
Chester Blue
Hey Brandon! That was a great IPv6 class this week! Thanks for the training. You gave me renewed motivation to study hard for my R&S lab! Thanks again!
October 17 at 6:52am
Brandon Carroll, CCIE #23837

Brandon Carroll, CCIE #23837 Having a great class this week. So much to cover for the CCNA class. So far we have done most of the ICND1 material. Tomorrow we start with RIP, move into CDP and then we get more switching and spanning tree!

Brandon Carroll, CCIE #23837

Brandon Carroll, CCIE #23837 Good News! GlobalConfig.net is now AscoltaBlogs.com and has a new Blogger. Welcome Patrick Geschwindner!

September 28 at 2:33pm
Brandon Carroll, CCIE #23837

Brandon Carroll, CCIE #23837 Pop Quiz- What Delay Value does EIGRP use in its calculation. The interface says 100 usec. What does EIGRP really use?

September 21 at 10:46am
Brandon Carroll, CCIE #23837
Brandon Carroll, CCIE #23837
haha. Yeah Brian is correct- it's measured in 10''s of microseconds.
September 28 at 1:45pm
Chris Jones
Chris Jones
i was close. 101010 :)
September 28 at 1:51pm
Brandon Carroll, CCIE #23837

Brandon Carroll, CCIE #23837 Monday, Monday! It's monday people and I'm here in Seattle teaching BSCI. Gotta love a week of EIGRP, OSPF, Redistribution, BGP, IPv6 and Multicast! AWESOME!

September 21 at 9:21am
Bryan Baize
Bryan Baize
Partaking of the awesome Seattle coffee I see!
September 21 at 9:39am
Mian Faheem Ul Ghani
Mian Faheem Ul Ghani
Hi,
i am also preparing if u intersted we candiscuss topics.
October 17 at 6:51am
Brandon Carroll, CCIE #23837

Brandon Carroll, CCIE #23837 Also making major changes to the blog. Keep watching for more info.

Brandon Carroll, CCIE #23837

Brandon Carroll, CCIE #23837 Had an awesome week in irvine teaching the Asa specialist class! Did some development and now heading home.

Brandon Carroll, CCIE #23837

Brandon Carroll, CCIE #23837 Just a quick note here, if you are working on Cisco Certifications be sure to fan the Ascolta Facebook page at http://facebook.com/ascolta. Many training deals, technical tips, free webinars and more to come!

Listening, that's what we're all about. We chose our name from the Italian word for listen, ascoltare, because it uniquely describes a value we consider essential to any successful business relationship. We know you count on us to listen to your needs and deliver upon those expectations. Ascolta was founded in 1987 ...to network clients to their enterprise systems. As a leading internetworking firm, our systems engineers and IT professionals designed and supported complex enterprise-wide networks and trained customers how to become self-sufficient. Now, our instructors bring their real-world experience to the classroom to share with you what has been learned in the field over the years. Let us help you stay up to date in the latest technologies by providing hands-on learning in the classroom — both physical and virtual — or through our content rich self-paced courses. Whether you choose to attend a class or study on your own, you'll always have someone to guide you and work with you to help you attain your individual or corporate goals. Whether you or your organization is seeking Cisco Career Certifications or education in a variety of specialty areas such as Security and IP Telephony, learn from the best. We invite you to see why our instruction is consistently rated above the industry average. Read More
Technology Product / Service:107 fans
Brandon Carroll, CCIE #23837

Brandon Carroll, CCIE #23837 Last day of my BGP class. Kinda sad because this was a great class! Teaching it again next week in Bellevue, Wa.

Brandon Carroll, CCIE #23837

Brandon Carroll, CCIE #23837 Just got a 7200 in GNS3 bridged to my Ethernet Interface on my Mac using a cloud. So easy a caveman could do it. I can't believe I had issues with this in the past!

Faizan Khursheed
August 26 at 1:04am
Brandon Carroll, CCIE #23837
Brandon Carroll, CCIE #23837
yeah- easier then i thought.
August 27 at 8:39pm
Brandon Carroll, CCIE #23837

Brandon Carroll, CCIE #23837 Spent some time last night looking at http://voip-tutor.com. Anyone know of a similar site? Anyone with experience of this site?

Source: voip-tutor.com
Everything you want to know about Cisco Unified Communications and the CCNA Voice Certification.
Brandon Carroll, CCIE #23837

Brandon Carroll, CCIE #23837 Reading a Network World article on Cisco IPS 7.0 raising the bar. Interested in SensorBase and how it affects Risk Ratings.