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Hi network gurus,            I have a hard time to determine which part cable is broken at below. Do both short and open mean that we have cable issue from patch panel to the Ethernet port on the wall (the cable run inside the wall/ceiling), and the ...

PolarPanda by Level 1
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  • 13 replies
  • 0 Helpful votes

Hello Guys,I had a Cisco 2960x switch placed between internet and my site and there was few more direct access to internet via this switch it was access via out of band management means (only console port) no ssh or telnet.Now i got new Catalyst 9300...

M.Sultan by Spotlight
  • 670 Views
  • 1 replies
  • 0 Helpful votes

All: I have an interesting scenario below. IE4000 (Stratix S5400) running Version 15.2(7)E Physical interfaces that are members of a PRP interface can change status, but they do not show down until both interfaces (LAN_A, LAN_B) are down. It is almos...

Hi AllJust a quick question on the licencing for a 9K switch.When we purchase a switch, say it has Network advantage and DNA advantage 3 year, does Cisco automatically apply the DNA licence from the factory when it is shipped?Or, do we need to regist...

Hi folks,Some questions on the subject that my searches haven't found an answer to yet on this. I have 3 Cisco 3850 WS-C3850G-48P-E switches I bought used to upgrade our church network. I do commercial network-based AV as my day job, so am familiar w...

jlkleins6 by Level 1
  • 493 Views
  • 2 replies
  • 0 Helpful votes

Resolved! SFP Type

Hello,  I am trying to find out the type of SFP that we have in several switches. When I issue a "show interface" "show inventory", the type of SFP that comes up is "1000Base-SX SFP". When I use the Cisco Optics Matrix, this type of SFP doesn't come ...

ZK916 by Level 1
  • 631 Views
  • 3 replies
  • 0 Helpful votes

Hello,we have some Cisco 9500 switches. I wanted to restart one via CLI with the normal reload command and then the following error message came up: ***ERR - AdelphiI2cWriteACT(247): I2C access failedI2C controller is in error state, reg value: 0x000...

Hello. This is probably a stupid question as im very new to networking and its confusing me.So ive connected my pc to a wallport using an ethernet cable which connects into a switch.I hopped onto the switch and saw the interfaces running config is th...