Ethernet [rss]

PodSnacks: Bridge Protocol Data Unit (BPDU)

Posted Thursday, October 23, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2008q4/bpdu.mp3
The other day we talked about local area networks (LAN), and that brought to mind a little protocol we often find in LANs where we have multiple switches arranged in a redundant configuration. We call it the Spanning Tree Protocol (STP) , or more recently Read More...

PodSnacks: Local Area Network (LAN)

Posted Tuesday, October 21, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2008q4/lan.mp3
Today we shift to a discussion I can't believe we haven't already had. We're going to talk about the lowly local area network (LAN) , which has seen a significant amount of evolution since my early days in networking! As always, you can listen Read More...

PodSnacks: PPP over Ethernet (PPPoE)

Posted Friday, October 17, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q3/pppoe.mp3
We recently had a little PAP/CHAP sidebar, so now let's go back to Peter and see if he can give us a bit of an explanation of PPP over Ethernet . If you've followed this series, this might seem like an odd combination. Both PPP and Ethernet are Read More...

PodSnack: Media Access Control (MAC)

Posted Tuesday, September 16, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2008q3/mac.mp3
And now for something completely different, sort of. In recent days we've wandered from the Physical Layer to the Application Layer , so I thought we'd wander back down the stack for a brief visit at the Data Link Layer . Specifically, I thought Read More...

PodSnacks: Next Generation SONET (NG-SONET)

Posted Wednesday, August 27, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q2/ng-sonet.mp3
A couple of days ago, I chose to talk about Ethernet over SONET (EoS). At the end, I mentioned that Next Generation SONET (NG-SONET) is a critical enabling technology for EoS. Today we're going to look at NG-SONET and identify the three basic enhancements Read More...

PodSnacks: Ethernet over SONET (EoS)

Posted Monday, August 25, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q2/eos.mp3
I'm on the road with Trevor this week, and Ethernet is going to be a major focus for this customer. So, today I've chosen to talk about Ethernet over SONET (EoS). EoS is an important enabling technology, making it possible for the carriers and Read More...

PodSnacks: Power over Ethernet (PoE)

Posted Monday, July 14, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q2/poe.mp3
Ethernet has become such a critical technology today, any time we can spend on it is time well spent. Today, Ethernet serves as a premises-based network technology that can tie together virtually every piece of communication gear in a corporation or residence. Read More...

tHAWT Episode #111: Minding Your Business

Posted Sunday, June 22, 2008 6:26 AM by thindson :: 0 Comments
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Attachment(s): http://hill-vt.com/podcast/tHAWT/tHAWT_062008.mp3
In this episode Michel and I cover several topics that arose from the NXTcomm conference in Las Vegas this week. We kicked off our discussion from an article that had caught Michel's eye on working in public places . Other links discussed are below. Read More...

PodSnacks: Link Aggregation

Posted Thursday, June 19, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2008q2/link_aggregation.mp3
Today we're going to head back to the world of Ethernet and discuss a concept related to inverse multiplexing : link aggregation . The concept is fairly simple: make two or more Ethernet links between two devices act as one higher-speed link. Still, Read More...

tHAWT Episode #110: Mac-in-Mac Rules

Posted Sunday, June 15, 2008 5:35 PM by thindson :: 0 Comments
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Attachment(s): http://hill-vt.com/podcast/tHAWT/tHAWT_061308.mp3
Dave and I kick off the discussion by following up on last week's discussion around provider backbone bridging with traffic engineering as Fujitsu annouced its rollout of products. The Apple's WWDC was this week, so we had to add our piece to Read More...

tHAWT Episode #104: Bovine Tags

Posted Sunday, May 04, 2008 11:38 AM by thindson :: 0 Comments
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Attachment(s): http://hill-vt.com/podcast/tHAWT/tHAWT_050208.mp3
In this week's episode, Paul , Michel , and I discussing a range of topics. The bovine theme was enhanced due to a recording a well-respected instructor once did for us. He discussed SONET in terms of cows and trucks , a discussion we resurrected Read More...

PodSnack: Hub

Posted Monday, April 21, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q2/hub.mp3
Do you have a hub ? I suspect you probably don't. They're still around though. I was amazed, last Friday, when one of the kids in my son's Boy Scout troop walked in with an old Ethernet hub they use to network their Xboxs. And they're Read More...

PodSnacks: Virtual LANs (VLAN)

Posted Monday, March 31, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q1/vlan.mp3
Hill Associates' instructors are famous for defining the word "virtual" as "whatever follows it is a lie." Enter the virtual LAN . Apparently the LAN part is a lie. In today's PodSnack, Michel explains it to you. You can listen Read More...

PodSnacks: Ethernet's CSMA/CD

Posted Wednesday, March 12, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q1/csma-cd.mp3
Ethernet has been around since the mid 1970s. Since that time, it has gone through four distinct generations. It began as a coax-based broadcast network, became a hubbed broadcast network, shifted to being a switched architecture, and now incorporates Read More...

PodSnack: Bridging versus Switching

Posted Friday, March 07, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q1/bridging-switching.mp3
Today we're going to head in a completely different direction. When we teach data courses, we often find ourselves in a discussion about Ethernet and the role of Ethernet switches. When you begin to examine the standards, you find constant reference Read More...
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