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hi all,just want to know the difference between the 2248TP and the 2248TP-Ehttps://www.cisco.com/c/en/us/products/switches/nexus-2000-series-fabric-extenders/models-comparison.html#~tab-1gethe only difference i see are the buffers, what do they do an...

upgraded a bunch of switches to the latest recommended IOS version of c2960x-universalk9-mz.152-7.E9bin and out of 4000 switches upgraded, 20 are reporting faulty POE ports with the below errors, in most cases there is nothing plugged in to these por...

greycrx87 by Level 1
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  • 3 replies
  • 0 Helpful votes

Resolved! loop protocol

Hi,I have a 3650 running recent code and I'm noticing these packets when running Wireshark on my directly connected desktop. What are these packets for and how do I turn this feature off if it simply the switch pinging itself at a layer 2 default loo...

lcaruso by Level 6
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  • 5 replies
  • 0 Helpful votes

We replaced an Avaya 4850 Switch which had an Avaya 1310nm GbE BX DDI 10Km Single Mode, Single strand, SFP. It connects to a Cisco 9606R core switch. On the Core, side it has a Cisco GLC BX-D SFP.We replaced the the 4850 with a Cisco 9300 switch with...

Rick001 by Level 1
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  • 5 replies
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hi all,got couple of FEX's but one has a different PSU than the rest, one has the belowPID - N2200-PAC-400W V03MODEL NO - PS-2421-1-LF REV:08and the others are these PSU'sPID - N2200-PAC-400W V04TYPE - EDPS-400AB A REVdoes it matter what one i get or...

Hello!I would like to know if there's some situation what a console port could be disabled, or something like that.I'm trying to configure a Catalyst 2960 Series PoE-24 by the console port using the hyperterminal, but it's not working. I verified the...

peresbr01 by Level 1
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We have stack with two C9200-24P switches.  Flash of first switch displays  1956839424 bytes total (845697024 bytes free) Flash of second switch: 1957167104 bytes total (1358430208 bytes free) I compare content of two flashes - it`s identical (+/- se...

Hi all,I have a Cisco Nexus 7K with two supervisors,I entered the commands :boot kickstart bootflash:/n7700-s2-kickstart.8.4.3.bin sup-1boot system bootflash:/n7700-s2-dk9.8.4.3.bin sup-1And now I want the standby supervisor (sup-2) to be able to tak...