About jbarnes

jbarnes · 03-28-2014

We are looking at replacing our aging 3750 server room stack, and to implement a wireless controller to better manage our 11 APs and perhaps some new APs such as the 3700. At first it seemed the 3850 with integrated wireless controller was perfect f...

jbarnes · 02-23-2012

I currently have a VLAN that will require DHCP. I am attempting to decide between serving DHCP from the router locally, or using DHCP relay to send the request to our DHCP server. Unfortunately, after searching the forums and online, I've been unab...

jbarnes · 12-12-2011

We have a group of computers on their own VLAN. A router allows internet access while keeping them sandboxed. We don't want them accidentally connect to our production network. We blocked their wireless MACs in unauthorized WAPs. I'd like to do t...

jbarnes · 05-08-2008

Hello,It seems that every other day a different port on my 3750 24 port switch stops functioning. I will remove the attached device and put it on another switch. I tested all the bad ports a few days after their devices were removed, and they seem ...

jbarnes · 03-08-2012

Thanks for the information. It really seems like the benefits of each approach depends on the scale of our use of VLANs. Thanks!

jbarnes · 12-14-2011

I tested the custom bit bucket method of sending it to a port group with no interfaces assigned. Worked out great. Thanks!Also: one of the 2950's ran Version 12.1(9)EA1. Modifying the command with a dash as follows seems to work in the same manne...

jbarnes · 12-14-2011

That definitely works for the 2960 Switches. I've already implemented it as a partial solution. Thanks for your help, alain. The 2950's are exhibiting odd behaviour, however. According to the command reference, it's been supported since releas...

jbarnes · 05-12-2008

Thanks for the help. I'll be sure to try these fixes. Have a good day.

Member Since	‎05-02-2008 10:07 AM
Date Last Visited	‎08-18-2017 04:00 AM
Posts	10

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3850 switch with wireless controller functionality question

Cisco Router Local DHCP Server VS. DHCP Relay (Helper Address)

Blocking MACs from VLAN access

unreliable ports - 3750

Cisco Router Local DHCP Server VS. DHCP Relay (Helper Address)

Re: Blocking MACs from VLAN access

Blocking MACs from VLAN access

Re: unreliable ports - 3750