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I have a pair of C9500 switches in a virtual stack.  If i use the "switch #num renumber #num2" command to change a members ID, and have not yet rebooted, can i revert the renumber command? Or can i enter "switch #orignum renumber #orignum" to effecti...

jmcgrady1 by Level 1
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Hi, Want to upgrade 3850 stack switch from 16.09.06 version to 16.12.5b .which image i have to download universal or universal w/o DTLS .please help me out Switch Ports Model SW Version SW Image Mode------ ----- ----- ---------- ---------- ----1 34 W...

Part 2: Capture and Analyze Local ARP Data in Wireshark As seen above.  So it says... In Part 2 of this lab, you will ping another PC on the LAN and capture ARP requests and replies in Wireshark. You will also look inside the frames captured for spec...

ali-dj by Level 1
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  • 1 replies
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Hi Team         In our Office Lab we are using 2900 routers and 2600 routers as terminal server and each terminal server has console lines - TTY (24 lines).          recent days all lines consoles opened after router credentials.         previously t...

Yasmeen by Level 1
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I have a SG-350X-48MP and two SG350X-8PMD switches I am trying to stack.  Nothing seems to work.  They are connected via MM fiber optic cables via SFP modules between the XG ports of each switch.  Before setting up stacking they cascade just fine ove...

Hi, I have two vlans, but all the hosts connected to those vlans have the same subnet because it was previously assigned using DHCP, so my question is... can the two vlans have the same gateway?.. Or there is a way to use DHCP to assign  IP addresses...

Screenshot 2022-02-20 134401.png
sebas1234 by Level 1
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Precision Time Protocol (PTP) IEEE1588v2 in Catalyst 9300 is based on hardware or software technology?Does Catalyst 9300 has PTP Chip to make a time accuracy?if yes can i have a reference document. 

Hey all experts,I have 1 3650 switch here connected with 2 Crestron devices at port gi1/0/3 and gi1/0/41 with standard POE 15.4w.But the switch is showing errors like below: 3650#show power inlineModule Available Used Remaining(Watts) (Watts) (Watts)...

Hi Cant find anything with google. Is it possible to stack 2960x switches of different models ? Like 2960x-FPD with 2960x-FPD with 2960x-FPS ?I got two FPD models already. And need some more ports. But i dont need the 10GB uplink if i can stack the s...

So I've enabled HTTP and HTTPS. I'm able to get to the login page and login. However it takes me to what you would think the main dashboard/website but I only see the Cisco logo and the back button. I've ran a debug ip http and I am getting the follo...

mik31 by Level 1
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Hello, Can anyone tell me how to configure a switch port for a pc and IP phone in one port with NAC  configuration?If yes, what is the configuration?because when I try to connect the hub device I should remove the NAC configuration from the port?  Re...

rahaf.94 by Level 1
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Hi everyone,using cisco power calculator for C9300-48U model and by adding few POE devices, the results shows that the switch typical power consumption without POE is 135W, and Total PoE Output Power Used is 662.40W. My question is, in order to calcu...

a.shamikh by Level 1
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