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Jon Derrenbacker
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Member since ‎12-14-2011
‎09-24-2018
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show mac address-table interface <interface range>

01-04-2017
Does anyone know of a way to dump all connected mac addresses connected to every port on a Cisco switch(3850s)? What would be ideal would be something like the 'show mac address-table interface' command, but for an interface range rather than a speci...

Negative side effects of higher MTU on WAN?

07-05-2016
Does anyone know of any negative side effects of setting a higher MTU on a WAN?Say ~1540 instead of 1500. I'm having an issue where the default 1500 MTU on my WAN causes OSPF to not work, lower MTU causes apps that can't fragment to not work.It seems...

All ports off, but switch still on -- what could cause?

03-16-2014
I have a 3750 POE SwitchStack, and one of the switches in the stack today had all the ports down on it.The switch itself was on, fan going, I could run commands on it.But trying to go into an interface and shut/no shut had no effect.When I rebooted t...

Timeout issue on ASA connections

09-13-2012
I have a weird issue that I think I've narrowed down to being related to the timing out of connections inside my DMZ.I was wondering first, are there any issues I should keep in mind when I start increasing the stock timeout values for conections?Say...

ACL length limit -- 50,000 lines?

05-07-2012
I've been looking around and can't find the answer. I want to create an ACL that's around 50-70,000 lines to only allow a few countries to hit our internet router.What size router can handle that? Could a low utilization 2800 series do it?Thanks,Jon
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Member Since ‎12-14-2011 05:39 AM
Date Last Visited ‎09-24-2018 12:47 PM
Posts 10
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