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Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...

hi all, may i know what is the difference between the power cords of above two part numbers? can i use any of them to power up 3850 switches? even though they looked alike, any technical difference between the two? https://www.google.com.sg/search?q...

jimmychia by Level 1
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Hi,can someone please help what is cause of input error on interface on switch ASR1001cdc-tel-choke-1#sh int Gi0/0/3GigabitEthernet0/0/3 is up, line protocol is up  Hardware is ASR1001, address is 5057.a883.eb03 (bia 5057.a883.eb03)  Description: AIS...

I am a beginner when it comes to vlans and this is hurting my brain. I am trying to access a server that I created a vlan for. When the port GigabitEthernet 1/0/3 is set to an access port on vlan 200, which is the vlan that I designated for my homela...

This is my first time upgrading the firmware on this switch.   Unlike the 2960's which are pretty straight forward with the GUI, this one is a lot more complicated. I have setup a TFTP server on my local Win10 machine and connected to it from the swi...

I am having trouble configuring Business 220 switches to support a Q-in-Q tunnel.My Configuration: Switch 1 & 4 are 16 port Business 220 switches. Ports 1-10 are configured as Access ports VLAN 11-20 respectively. Port 15 is configured as a Trunk por...

ChrisR132 by Level 1
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Resolved! SFP adapters

Hi all, I'm new here, our customer recently decided to replace a few switches and decided to use Cisco IE2000 16TC. In the previous installation he had a few GMFIBER-SFP-2K (SIXNET)adapters. Can this same adapter being used on the switches or its nec...

I met a stack switch trouble, my model is C9200L-24T-4G, it is stack two, IOS version are 17.6.4, ROMMON are 17.9.1r. And I have HA failover test, the steps...1)sw1 is active, sw2 is standby, any fine currently.2)unplug 2 power cables on sw1(active),...

HelloI need your help, how to configure this. In the CLI, SFP+ has been detected. Now, how to connect beetween switch? or what command should i enter in CLI?Because it's still down, on the indicator light or port status on the CLI.   

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