Browse by Tags
All Tags » Featured ( RSS)
-
|
I recently received a comment from Gerry Gerofsky about IPv6 network discovery: Hi Terry, I am trying to understand how CiscoWorks, OpenView discovers an IPv6 network? In Ipv4, typically a tool like OpenView CiscoWorks, you feed it a subnet and it goes...
|
-
|
Pete Welcher at Chesapeake Netcraftsmen recently told the interesting story of a customer who added a backup data center. Their network was configured to support multicast. Pete describes the problem very succinctly: If you have a customer doing multicast...
|
-
|
While I was at VoiceCon in San Francisco, CA a few weeks ago, I had the opportunity to stop by Cisco and record two video segments for the Cisco Learning Network . The first of these videos is now online: What CIOs Should Know About Network Analysis ...
|
-
|
I'm working on a network that requires configuration checks be performed. For some of the subsystems, that's pretty easy because the configuration is done per device and there are no external dependencies. For example, the desired SNMP, logging...
|
-
|
Have you ever looked at an access list and wondered what the port numbers correspond to, other than the obvious ones that are well-known or documented in /etc/services? I've been working on ACLs for classification and marking of voice/video control...
|
-
|
I've previously written about the history of the CCIE program. Ivan recently asked about the history and numbering of the Certified Cisco Systems Instructor (CCSI) program. This is the program of certified Cisco instructors. That got a bunch of us...
|
-
|
The Cisco Press book Troubleshooting Cisco IP Telephony , is a gem. I spoke on troubleshooting VoIP in converged networks at VoiceCon this week (see the prior post) and some of the ideas for problems came from this book. It is easy to read and is organized...
|
-
|
I'm speaking at VoiceCon San Francisco 2008 on the topic of Troubleshooting in Converged Networks. That's a fancy title to say that I'll be talking about VoIP troubleshooting. There are three excellent speakers this time around: Steve Guthrie...
|
-
|
Bruce Enders of Chesapeake Netcraftsmen recounts a story that demonstrates why configuration repositories and monitoring configuration changes are valuable. A Netcraftsmen customer called on a Saturday morning to ask about a network problem. Bruce gave...
|
-
|
There's an interesting site, serviceinnovation.org , that teaches how to use people and processes to increase productivity. They have the view that to achieve large improvements in productivity, organizations must use new, innovative ways to deliver...
|
More Posts Next page »
|
|
|