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About mfarrenkopf
05-14-2021
mfarrenkopf
Beginner
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Stats
Member since
12-27-2006
91
Posts
33
Helpful
2
Solutions
Latest Contributions by mfarrenkopf
Latest Contributions by mfarrenkopf
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SR definitely won't work. SR
Created by
mfarrenkopf
in
Optics and Optical Networking
03-02-2016
03-02-2016
SR definitely won't work. SR generates a multi-mode signal. It expects a 50 micron core and has a di...
NX-OS OSPF Differences, Defaults
Created by
mfarrenkopf
in
Switching
03-01-2016
03-01-2016
A couple of questions about OSPF on NX-OS. 1. Based on a couple of different documents (I'll link th...
Hi Jon,
Created by
mfarrenkopf
in
Switching
02-22-2016
02-22-2016
Hi Jon, I repeated my tests and got similar results as before. A couple of additional notes: When I ...
Hi Jon,
Created by
mfarrenkopf
in
Switching
02-19-2016
02-19-2016
Hi Jon, The only reason I could see getting the STP dispute was if there's information I'm missing (...
RPVST Root Bridge Change
Created by
mfarrenkopf
in
Switching
02-18-2016
02-18-2016
Greetings, I'm in a project to change the distribution layer in our data center. Most of the spannin...
Hi Jon,
Created by
mfarrenkopf
in
Other Network Architecture Subjects
02-06-2016
02-06-2016
Hi Jon, We've had so many incidents in our network where we think we understand the problem -- it's ...
Hi Ganesh,
Created by
mfarrenkopf
in
Other Network Architecture Subjects
02-06-2016
02-06-2016
Hi Ganesh, I absolutely agree that it is tedious and error-prone to copy the entire VLAN list as opp...
Hi Mark,
Created by
mfarrenkopf
in
Other Network Architecture Subjects
02-06-2016
02-06-2016
Hi Mark, I marked your answer as correct because, upon doing additional lab testing, indeed it did n...
"switchport trunk allowed vlan" Behavior
Created by
mfarrenkopf
in
Other Network Architecture Subjects
02-01-2016
02-01-2016
Assume I have an interface with an allowed VLAN list of 100,200,300,400,500. I want to add VLAN 600 ...
Hi Rebecca,I just stumbled
Created by
mfarrenkopf
in
Other Data Center Subjects
03-11-2015
03-11-2015
Hi Rebecca,I just stumbled onto your reply while searching to understand Nexus VDC modes. I've got t...
1: Duplex mismatch causes
Created by
mfarrenkopf
in
Routing
03-26-2014
03-26-2014
1: Duplex mismatch causes one side to be half duplex, the other to be full. You'll see late collisio...
SNMP, VRFs, Interfaces, and IP Addresses
Created by
mfarrenkopf
in
Network Management
03-26-2014
03-26-2014
The ipAddrTable section of MIB-II was written before VRFs existed (or likely had ever been conceived...
Nexus, NLB, Static MAC Issues
Created by
mfarrenkopf
in
Switching
02-13-2013
02-13-2013
No help there. The ARP entry works just fine. It's trying to statically define the MAC that's an iss...
Nexus, NLB, Static MAC Issues
Created by
mfarrenkopf
in
Switching
02-13-2013
02-13-2013
I am working on a migration of server chassis from 6500 10 gig ports to Nexus. Of course, we're usin...
Rapid Spanning Tree in Access Layer?
Created by
mfarrenkopf
in
Switching
04-10-2012
04-10-2012
My colleague and I have been having a discussion about using rapid spanning tree in the access layer...
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Public Statistics
Date Registered
12-27-2006
02:03 PM
Date Last Visited
05-14-2021
01:51 PM
Total Messages Posted
91
Total Helpful Votes Received
33
Helpful Votes Given To
User
Helpful Count
Ganesh Hariharan
5
Jon Marshall
5
Giuseppe Larosa
4
See all >
Helpful Votes From
User
Helpful Count
s naveen
5
MHM Cisco World
5
TisTos
5
Jon Marshall
5
wangchunhao2000
1
13
See all >